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Full-Text Articles in Food Science

Comparison And Suggestions Of Food For Special Medical Purposes In Registration Management System At Home And Broad, Chen Hanqi, Liu Min, Yu Zhen, Hu Kun, Chen Xuan, Liu Dongbo Dec 2023

Comparison And Suggestions Of Food For Special Medical Purposes In Registration Management System At Home And Broad, Chen Hanqi, Liu Min, Yu Zhen, Hu Kun, Chen Xuan, Liu Dongbo

Food and Machinery

The registration management system of food for special medical purposes （FSMP） in China has been initially established. But compared with other developed countries, China's FSMP industry started late, and its system needs to be supplemented and improved. This research briefly describes the registration management mode of FSMP in our countries, analyzes the problems and challenges faced at present, sorts out the registration management system of FSMP in the European Union, the United States and Japan. Suggestions are put forward from three perspectives: product research and development, product access, and approval process, In order to provide more choices for people's health …

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International Practice And Experience Of Mandatory Front Of Package Labels For Sugar-Sweetened Beverages: Evidence From Nutri-Grade Labeling In Singapore, Huang Zeying Dec 2023

International Practice And Experience Of Mandatory Front Of Package Labels For Sugar-Sweetened Beverages: Evidence From Nutri-Grade Labeling In Singapore, Huang Zeying

Food and Machinery

The policy evolution, standard rules, supporting measures and implementation effects of the nutri-grade labeling in Singapore were summarized based on collected materials about Nutri-Grade labeling from the official website of Singapore Ministry of Health and literatures. The practical experience of nutri-grade labeling in mandatory disclosure of sugar information in nutrition information, evaluation of multi-form sugar-sweetened beverages, and prohibition of advertising of high-sugar beverages has important implications for the implementation of mandatory FOP labeling of sugar-sweetened beverages in China.

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Effects Of Sublimation Temperature On Cell Microstructure Of Pear Melon During Vacuum Freeze Drying, Tian Jinjin, Yao Chaoyang, Zhang Zhiqiang, Zhang Zhe, Ji Hongwei, Wu Jinyu Dec 2023

Effects Of Sublimation Temperature On Cell Microstructure Of Pear Melon During Vacuum Freeze Drying, Tian Jinjin, Yao Chaoyang, Zhang Zhiqiang, Zhang Zhe, Ji Hongwei, Wu Jinyu

Food and Machinery

Objective: This study aimed to obtain optimal sublimation temperature of pear melon cells. Methods: The pre-freezing cooling rate and vacuum pressure were selected by optimization method to be 25 ℃/min and 10 Pa, respectively, based on cryogenic microscope imaging and vacuum freeze-drying technology. Then, sublimation temperatures of 10, 5, 0, -4, -7 and -10 ℃ were used for experimental research. The morphological parameters (equivalent diameter, area, circumference, volume), internal pressure, and porosity of cells during the process of dehydration and drying were analyzed. Results: As the sublimation temperature rose, the morphological parameters of different dimensions of cells first decreased and …

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Research On Image Recognition Of Cracked Eggs Based On Convolutional Neural Network Model, Li Shu, Tang Mengdi, Tong Siyuan, Sun Ke Dec 2023

Research On Image Recognition Of Cracked Eggs Based On Convolutional Neural Network Model, Li Shu, Tang Mengdi, Tong Siyuan, Sun Ke

Food and Machinery

Objective: In order to improve the accuracy and operating efficiency of the egg crack detection method based on computer vision. Methods: Used poultry egg simulation impact equipment to obtain cracked eggs, and collected images of cracked eggs and intact eggs from different angles through egg dynamic image acquisition equipment. Then, the YOLO-v5, ResNet and SuffleNet models for cracked egg image recognition were established for the original and the preprocessed egg images, respectively. After that, the recognition accuracy and the adaptability for original egg images recognition of different models were compared. Results: The YOLO-v5, ResNet and SuffleNet models could effectively identify …

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Subchronic Toxicity Study Of Acesulfame In Rats, Zheng Siyu, Teng Jingjing, Yang Tongjin, Wang Yan, Xia Xin, Bao Junhui Dec 2023

Subchronic Toxicity Study Of Acesulfame In Rats, Zheng Siyu, Teng Jingjing, Yang Tongjin, Wang Yan, Xia Xin, Bao Junhui

Food and Machinery

Objective： This study aimed to study the subchronic toxicity of acesulfame as a food additive and obtain the dosage of harmful effects not observed orally for 90 d. Methods： According to GB 15193.13—2015, eighty 4-week-old specific pathogen-free （SPF） healthy detached Sprague Dawley （SD） rats （half male and half female） were randomly divided into 4 groups. Rats were administered 4 500, 1 500, 500 and 0.0 mg/kg BW. acesulfame by gavage for 90 consecutive days, respectively. At the end of the experiment, samples of blood were collected for blood routine and biochemical analysis, and some organs were removed for histopathological examinations. …

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The Changes Of Flavor Substances Of Sweet And Sour Crispy Fish During The Deep-Frying Process, Fan Haiying, Yang Can, Qiao Mingfeng, Chen Lilan, Cai Xuemei, Yi Yuwen, Wang Wei Dec 2023

The Changes Of Flavor Substances Of Sweet And Sour Crispy Fish During The Deep-Frying Process, Fan Haiying, Yang Can, Qiao Mingfeng, Chen Lilan, Cai Xuemei, Yi Yuwen, Wang Wei

Food and Machinery

Objective: This study aimed to provide the theoretical foundation for the industrialization production of sweet and sour crispy fish. Methods: The changes of aroma and taste compounds were assessed by using the electronic-nose, electronic-tongue, GC-IMS, and automatic amino acid analyzer, along with the principal component analysis, clustering analysis and correlational analysis. Results: The results showed that the aroma response intensity increased and then decreased, and the taste response intensity increased during the deep-frying process. According to the GC-IMS analysis, a total of 46 aroma compounds were detected, including 7 aldehydes, 5 ketones, 10 alcohols, 9 esters, 4 olefins, 7 heterocyclic …

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The Effect Of Ultrasound Assisted Enzymatic Hydrolysis On The Physicochemical Properties And Flavor Characteristics Of Protein Peptides From Harpodon Nehereus, Lu Jianghui, Chen Yuewen, Fu Jingjing, Long Yongjie Dec 2023

The Effect Of Ultrasound Assisted Enzymatic Hydrolysis On The Physicochemical Properties And Flavor Characteristics Of Protein Peptides From Harpodon Nehereus, Lu Jianghui, Chen Yuewen, Fu Jingjing, Long Yongjie

Food and Machinery

Objective: This study aimed to solve the problems of low freshness, heavy bitterness, and poor flavor of protein peptides hydrolyzed by enzymes of Harpodon nehereus （HN）. Methods: Ultrasound assisted enzymatic hydrolysis method was used to prepare the HN protein peptides. Papain was selected as the catalyst to study the changes in particle size, hydrolysis degree, soluble peptide content, relative molecular mass distribution, free amino acid content, and electronic tongue flavor signal of the HN protein peptides under different ultrasound power （0, 120, 240, 480, 600 W）. The effect of different ultrasound intensities on the structure and flavor of HN protein …

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Design And Application Of Portable Intelligent Rice Freshness Detection System, Shao Xiaokang, Lin Hao, Wang Zhuo, Li Yibing, Chen Quansheng Dec 2023

Design And Application Of Portable Intelligent Rice Freshness Detection System, Shao Xiaokang, Lin Hao, Wang Zhuo, Li Yibing, Chen Quansheng

Food and Machinery

Objective: To realize rapid nondestructive testing of rice freshness. Methods: A portable device system based on nano color-sensitive sensors combined with near-infrared spectroscopy was developed. The spectral data of the corresponding color-sensitive sensors were collected for the identification of multi-gradient rice adulteration and the prediction of freshness across batches of rice. Results: Using Si-CARS-PLS to extract spectral characteristic variables, the recognition rate of discriminative model was the highest after modeling by LDA algorithm, and the recognition rate of training set and prediction set were 97.22% and 95.83%, respectively. At the same time, PLSR model predicted that cross-batch data had stronger …

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An Automatic High Throughput Colony Counter Based On Unet++ Segmentation Model, Shen Ying, Xie Feng, Wang Yulin, Tan Bo, Fan Jinxu Dec 2023

An Automatic High Throughput Colony Counter Based On Unet++ Segmentation Model, Shen Ying, Xie Feng, Wang Yulin, Tan Bo, Fan Jinxu

Food and Machinery

Objective: To improve the detection efficiency of the aerobic plate counter, to meet the requirements of quality management system of the inspection and testing institutions and the application of laboratory LIMS system. Methods: It was used to continuously collected of colonies image through the GigE industrial camera, variable lens and multiple light sources combined lighting system, at the same time the Unet++ segmentation model was used for image recognition processing and colony counting. Results: The colony counter had the characteristics of high collection efficiency, it only took 38 s to complete the image acquisition of one plate. It only took …

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Determination Of Lactose In Milk By High Performance Liquid Chromatography-Evaporative Light Scattering Detector With Rcm-Monosaccharide Ca2+ Column, Zhu Xiaopeng, Fu Shangchen, Hao Guo, Niu Pengfei, Liu Yongfeng Dec 2023

Determination Of Lactose In Milk By High Performance Liquid Chromatography-Evaporative Light Scattering Detector With Rcm-Monosaccharide Ca2+ Column, Zhu Xiaopeng, Fu Shangchen, Hao Guo, Niu Pengfei, Liu Yongfeng

Food and Machinery

Objective: To achieve rapid detection of lactose content in milk, a new method for the determination of lactose in milk based on RCM-monosaccharide Ca2+ column and high-performance liquid chromatography has been established. Methods: Milk was precipitated with protein in a 0.2 g/mL trichloroacetic acid solution, and the resulting filtrate was diluted 100 times and filtered with a membrane before entering a high-performance liquid chromatography system. It was separated by an RCM-monosaccharide Ca2+ column and detected by an evaporative light scattering detector. Results: The results showed that lactose had a good correlation between peak area and concentration in the …

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Determination Of 27 Antiparasitic Drug Residues In Penaeus Vannamei By Liquid Chromatography-Tandem Mass Spectrometry Simultaneously, Zhang Lifang, Ma Ruixin, Zheng Baiqin, Song Wang, Zhou Xin Dec 2023

Determination Of 27 Antiparasitic Drug Residues In Penaeus Vannamei By Liquid Chromatography-Tandem Mass Spectrometry Simultaneously, Zhang Lifang, Ma Ruixin, Zheng Baiqin, Song Wang, Zhou Xin

Food and Machinery

Objective: An ultra-high performance liquid chromatography-tandem mass spectrometry method was established for the simultaneous determination of 27 antiparasitic drug residues in Litopenaeus vannamei. Methods: The solution was used to extract antiparasitic drugs in the samples of L. vannamei. The supernatant after centrifugation was purified by C18 and neutral alumina powder. The sample solution was analyzed by ultra-high performance liquid chromatography-tandem mass spectrometry and applied to the instrument workstation to perform data analysis. A Thermo Hypersil Gold aQ column was used as the separation column, and 0.1% formic acid acetonitrile and 10 mmol/L ammonium formate solution （containing 0.1% formic …

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Rapid Detection Of Moisture Content Of Pineapple Based On Near Infrared Spectroscopy And Ssa-Relm, Zhao Yanli, Zhao Qian, Li Zhiqiang Dec 2023

Rapid Detection Of Moisture Content Of Pineapple Based On Near Infrared Spectroscopy And Ssa-Relm, Zhao Yanli, Zhao Qian, Li Zhiqiang

Food and Machinery

Objective: A method for a fast and non-destructive detection of pineapple moisture content was established. Methods: A novel detection model of pineapple moisture content was proposed based on continuous projection feature wavelength selection and Sparrow search algorithm. Firstly, according to the characteristic of pineapple NIR data with high dimension and redundant information, the results of feature wavelength selection such as successive projections algorithm, principal component analysis and full-band were compared, the selection method of characteristic wavelength of pineapple near infrared spectrum was determined. Secondly, considering that the performance of RELM model was affected by the selection of input layer weight …

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Study On The Integration Model Of Port Clearance In Food Supervision In The Guangdong Hong Kong Macao Greater Bay Area, Zhang Yiming Dec 2023

Study On The Integration Model Of Port Clearance In Food Supervision In The Guangdong Hong Kong Macao Greater Bay Area, Zhang Yiming

Food and Machinery

At present, the integration construction of the Guangdong Hong Kong Macao Greater Bay Area is deepening. Among them, the port customs integration model in food supervision in the Guangdong Hong Kong Macao Greater Bay Area has problems such as inconsistent regulatory standards, cumbersome customs clearance procedures, and information asymmetry, which have led to increasingly prominent issues of low food supervision efficiency. In this regard, effective innovation in the integration model of port clearance can be promoted by unifying the food safety supervision standards of Guangdong, Hong Kong, and Macao, constructing an integrated port clearance procedure mechanism, and strengthening information sharing …

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Establishment Of Quechers-Uplc-Ms/Ms Method To Determine Three Kinds Of Ochratoxins In Coffee, Gao Yunkai, Chen Xiaomei, Chen Chunqian, Zhou Lingyu, Deng Yinglin, Yin Qingchun Dec 2023

Establishment Of Quechers-Uplc-Ms/Ms Method To Determine Three Kinds Of Ochratoxins In Coffee, Gao Yunkai, Chen Xiaomei, Chen Chunqian, Zhou Lingyu, Deng Yinglin, Yin Qingchun

Food and Machinery

Objective： A new method was developed for the simultaneous determination of three kinds of ochratoxins in coffee by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) combined with QuEChERS pretreatment. Methods： Samples were extracted by acetonitri-water-formic acid solution (55∶40∶5) with ultrasonic, salted out with a QuEChERS salt pocket, and then purified with a (ZanChERS-Myco17) column. The chromatographic separation was performed on an ACQUITY UPLC BEH C18 (1.7 μm, 2.1 mm×100 mm) column by gradient elution using a mobile phase comprising 0.2% formic acid aqueous solution and acetonitrile. In the positive ion mode of electric spray, the samples detected were used …

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Strawberry Impact Collision Injury Analysis Based On Display Dynamics Simulation, Zhang Zhenjiang, Shi Jingxu, Guo Wushen, Wen Baogang, Zhang Xu Dec 2023

Strawberry Impact Collision Injury Analysis Based On Display Dynamics Simulation, Zhang Zhenjiang, Shi Jingxu, Guo Wushen, Wen Baogang, Zhang Xu

Food and Machinery

Objective: Aiming at the problem that strawberry quality was easy to be damaged under impact in processing process. Methods: The relationship among impact energy loss, internal stress and impact damage of strawberry during impact was studied by display dynamics simulation method. The impact of impact parameters on damage degree and sensitivity was analyzed by response surface method. Results: When the strawberry collides with the steel plate at 23 ms, the ratio of strawberry damage volume reached the maximum (7.83%), and at the same time, the impact energy loss (95.60 mJ) and internal stress (0.238 4 MPa) both reached their maximum …

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Experiments On Sheep Carcass Cutting With Ultrahigh Pressure Pure Water Jet, Qu Yudong, Wei Zhichao, Zhang Di, Su Jixin, Chen Zhengwen, Li Xin Dec 2023

Experiments On Sheep Carcass Cutting With Ultrahigh Pressure Pure Water Jet, Qu Yudong, Wei Zhichao, Zhang Di, Su Jixin, Chen Zhengwen, Li Xin

Food and Machinery

Objective: To reduce loss of lamb meat during mechanical cutting. Methods: Using a gantry-type ultra-high-pressure pure water jet cutting platform, different parameters were selected for testing according to different parts of the lamb carcass. Compared the cutting effects, identified the appropriate cutting parameters, and analyzed the cutting losses. Results: The experiments were conducted on several aspects such as room temperature lamb, frozen lamb, lamb chops, lamb spine, lamb legs, lamb neck, and bone removal for meat extraction. The effects of different parts of the lamb carcass and different experimental parameters on the cutting effect were clarified. Conclusion: The adaptability of …

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The Design Of Fuzzy Control System For Food Freezing Temperature Control, Liu Xiangyong, Gao Xuefei, Dong Qiang, Li Qiong Dec 2023

The Design Of Fuzzy Control System For Food Freezing Temperature Control, Liu Xiangyong, Gao Xuefei, Dong Qiang, Li Qiong

Food and Machinery

Objective: Improving the setting value adjustment ability of the speed control loop and temperature control loop of food entering the freezing tunnel. Methods: By treating the speed and temperature control circuits of the conveyor belt separately, a fuzzy control system for food freezing temperature control was designed. The control system included a proportional-integral-differential controller for the food conveyor roller speed, a proportional-integral controller for temperature regulation in the freezing tunnel, and a Takagi-Sugeno fuzzy controller to set the temperature set point of the temperature regulation proportional-integral controller. Results: When the mass flow rate of frozen food was increased from 650 …

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Food Packaging Defect Detection By Improved Network Model Of Faster R-Cnn, Xia Junyong, Wang Kangyu, Zhou Hongdi Dec 2023

Food Packaging Defect Detection By Improved Network Model Of Faster R-Cnn, Xia Junyong, Wang Kangyu, Zhou Hongdi

Food and Machinery

Objective: Accurate identification and location of paper packaging box defects. Methods: The improved network model of Faster R-CNN was applied to automatically detect box defects. The data of the training set picture was enhanced and noise was added to improve the training accuracy and robustness of the model. The feature extraction network was replaced with ResNet50, and the feature pyramid network （FPN） was fused to improve the multi-scale detection ability of the model. K-means++ was used to cluster the defect scale in the dataset and optimize the anchor box scheme. Results: The average accuracy （AP） of the improved Faster R-CNN …

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The Application Of Illustration In The Packaging Design Of New Tea Drinks, Wang Rui, Wang Hongwei Dec 2023

The Application Of Illustration In The Packaging Design Of New Tea Drinks, Wang Rui, Wang Hongwei

Food and Machinery

In recent years, China's new-style tea industry has shown a booming development, and the new-style tea market has become an arena for a new round of capital competition. In the context of the influx of new brands, how to shape their brand personalization has become critical. From the perspective of brand building, this paper takes the leading tea brands on the market as analysis cases, studies the application of illustration design in new tea packaging and its commercial added value, and discusses the application of illustration in new tea packaging.

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Browning Mechanism Of Indigo Juice During Processing Prevention And Control Technology, Ma Yongqiang, Li Dan, Yang Chenxi, Xue Qingzhuo, Han Chunran Dec 2023

Browning Mechanism Of Indigo Juice During Processing Prevention And Control Technology, Ma Yongqiang, Li Dan, Yang Chenxi, Xue Qingzhuo, Han Chunran

Food and Machinery

Objective: Indigo fruit juice is prone to browning during processing. Methods: A kinetic model was fitted by determining the changes in browning degree, vitamin C （VC） content, and 5-hydroxymethylfurfural （5-HMF） content of indigo fruit juice during the sterilization process. Results: The optimal conditions were obtained by single factor and response surface optimization test, and the changes of microbiological, physicochemical and sensory indexes of the optimized indigo juice were measured during storage at 4, 25 and 37 ℃ for 30 days. The results showed that the changes in Browning degree, VC and 5-HMF content were consistent with the …

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Effects Of Static Magnetic Field-Assisted Preservation On The Quality Of Blueberry, Zhou Yuyi, Yang Na, Meng Man, Wei Jian, Xu Xueming Dec 2023

Effects Of Static Magnetic Field-Assisted Preservation On The Quality Of Blueberry, Zhou Yuyi, Yang Na, Meng Man, Wei Jian, Xu Xueming

Food and Machinery

Objective: This study aimed to explore a new method to improve the blueberry quality during the preservation. Methods: Blueberries were stored at 4 ℃ for 7 days in 0, 3, 6 and 10 mT static magnetic fields respectively. Meanwhile, the apparent morphology, weight loss rate, decay rate, content of anthocyanidin and total phenol cell membrane permeability, superoxide dismutase activity and content of malondialdehyde of blueberries were analyzed. Results: The physicochemical properties of blueberries improved significantly with the increase of magnetic-field strength. Compared with the control, most of the blueberries treated by 10 mT static magnetic field remained plump during the …

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Effects Of Thawing Methods On Physicochemical Properties Of Microwave-Dried Beetroots, Liu Yan, Tang Xiaoxian, Gao Dan, Duan Zhenhua, Ren Aiqing Dec 2023

Effects Of Thawing Methods On Physicochemical Properties Of Microwave-Dried Beetroots, Liu Yan, Tang Xiaoxian, Gao Dan, Duan Zhenhua, Ren Aiqing

Food and Machinery

Objective: This study aimed to explore the best thawing method for beetroots in freeze-thaw pretreatment. Methods: The frozen beetroots were thawed using different thawing methods （room temperature thawing, running water thawing, refrigeration thawing, microwave thawing, and ultrasonic thawing）, and then the thawed beetroots were subjected to microwave drying. The effects of different thawing methods on the microwave drying time, rehydration ratio, color, betalains content, total phenolic content, and total flavonoids content of microwave-dried beetroots were evaluated. Results: The results showed that refrigeration thawing required the longest thawing time, but the thawing loss rate was the smallest and the rehydration ratio …

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Effects Of Ozone Sterilization Edible Combined With Coatings Chitosan On The Preservation Of Chilled Yellow Cattle, Xuan Wei, Li Tie, Xue Xijia, Yi Shumin Dec 2023

Effects Of Ozone Sterilization Edible Combined With Coatings Chitosan On The Preservation Of Chilled Yellow Cattle, Xuan Wei, Li Tie, Xue Xijia, Yi Shumin

Food and Machinery

Objective： This study aimed to study the preservation effect of ozone water sterilization combined with chitosan coating on cold fresh yellow cattle. Methods： Three groups were set up as follows: control group A (pure water treatment), experimental group B used 2% chitosan coating on cold fresh yellow cattle, and experimental group C used ozone water sterilization combined with 2% chitosan coating on cold fresh yellow cattle. The effect of ozone sterilization combined with chitosan coating on the preservation of cold fresh yellow cattle was examined using sensory score, chromaticity (L* and a* values), hanging loss rate, TVB-N …

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Effect Of Farming Region And Commercial Size On Nutrition And Flavor Quality Of Turbot （Scophthalmus Maximus）, Zhuang Xiaomei, Guo Quanyou, Zheng Yao, Wei Banghong, Yang Xu Dec 2023

Effect Of Farming Region And Commercial Size On Nutrition And Flavor Quality Of Turbot （Scophthalmus Maximus）, Zhuang Xiaomei, Guo Quanyou, Zheng Yao, Wei Banghong, Yang Xu

Food and Machinery

Objective: Investigating the effects of farming region and commercial size on the nutrition and flavor quality of Scophthalmus maximus. Methods: Farming turbot of three regions, namely, Rushan, Haiyang and Suizhong, and two typical commercially available sizes, 450～750 and 750～1 250 g, were selected for this study to compare their nutrient composition and flavor substances. Used principal component analysis and orthogonal partial least squares discriminant analysis to visualize the differences between different groups and to identify the nutritional indicators in differentiate farming region and commercial size. Results: The protein and collagen content of turbot in the Rushan and Haiyang regions …

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Comparative Studies On The Antioxidant And Anti-Inflammatory Activities Of Water Extracts From Eight Kinds Of Foods, Yang Hong, Tang Li, Li Yi, Yuan Hongxia, Li Qingshan Dec 2023

Comparative Studies On The Antioxidant And Anti-Inflammatory Activities Of Water Extracts From Eight Kinds Of Foods, Yang Hong, Tang Li, Li Yi, Yuan Hongxia, Li Qingshan

Food and Machinery

Objective： This study aimed to investigate the active ingredients, and their antioxidant and anti-inflammatory activities, as well as the correlation between each other of different food water extracts. Methods： Black rice, black soybean, black sesame, Auricularia auricula, diospyros lotus, black corn, oat and millet were selected for the comparison study of the content of total flavonoids and polyphenols in the aqueous extract, and then the 1-diphenyl-2-picrylhydrazyl (DPPH) scavenging activity, hydroxyl radical scavenging ability and iron ion reduction capacity were determined to evaluate their antioxidant activity. Furthermore, the NO and IL-6 inhibitory activities on Lipopolysaccharides (LPS) induced RAW264.7 cells were …

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Optimization Of Fermentation Process And Quality Evaluation Of Mulberry Jiaosu From Lactobacillus Plantarum, Wu Deguang, Deng Xuecong, Hu Zhihui, Zhou Yingbiao Dec 2023

Optimization Of Fermentation Process And Quality Evaluation Of Mulberry Jiaosu From Lactobacillus Plantarum, Wu Deguang, Deng Xuecong, Hu Zhihui, Zhou Yingbiao

Food and Machinery

Objective: To solve the problem of difficult preservation of fresh Mulberry, fresh Mulberry is fermented by Lactobacillus plantarum to produce Mulberry Jiaosu. Methods: Using fresh Mulberry juice as the raw material, Lactobacillus plantarum as strain and total phenol as index, the fermentation process of Mulberry Jiaosu was optimized by single factor test and response surface test. Results: The optimized fermentation conditions were as follows: fermentation time was 40 h, fermentation temperature was 32 ℃, inoculation amount was 25%, and the total phenol content of Mulberry Jiaosu was （43.48±0.67） μg/mL, which was 1.62 times that of non-fermented Mulberry juice. Conclusion: …

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Optimization Of Extraction And Antioxidant Activities Of Polyphenols From Honey Peachkernel By Ultrasonic-Assisted Enzymolysis Approach, Guo Mingyi, Deng Yan, Wang Tianxin, Zeng Chuantao, Wu Huachuang Dec 2023

Optimization Of Extraction And Antioxidant Activities Of Polyphenols From Honey Peachkernel By Ultrasonic-Assisted Enzymolysis Approach, Guo Mingyi, Deng Yan, Wang Tianxin, Zeng Chuantao, Wu Huachuang

Food and Machinery

Objective: This study aimed to explore the potential use of honey peach kernel as a by-product of characteristic agricultural product processing. Methods: The processing technology was optimized based on a single factor test and response surface test by analyzing the effects of enzyme addition amount, ultrasonic temperature, ethanol concentration, and ultrasonic time on the extraction amount of peach kernel polyphenols. Additionally, the antioxidant activities of the extracted polyphenols were studied. Results: The results showed that the optimal extraction parameters were as follows: enzyme adding quantity 5%, ultrasonic temperature 63 ℃, ethanol concentration 60%, and ultrasonic time 37 min. Under this …

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Process Optimization And Drying Characteristics Of Instant Noodles Mixed With Potato And Oat, Huo Rui, Kang Lianhe, Zhang Zhifen, Qiao Jianmin, Zhang Yuanyuan Dec 2023

Process Optimization And Drying Characteristics Of Instant Noodles Mixed With Potato And Oat, Huo Rui, Kang Lianhe, Zhang Zhifen, Qiao Jianmin, Zhang Yuanyuan

Food and Machinery

Objective: This study aimed to prepare a nutritious instant noodle with regional characteristics. Methods: The process was optimized using whole potato flour, oat flour, and wheat gluten flour as the basic ingredients. The sensory score, breakage rate, rehydration rate, texture characteristics and hot air-drying characteristics were measured. Results: The optimum process parameters for the potato-oatmeal noodles were as follows: 53% water addition, mixing for 10 min, maturing for 40 min and steaming for 12 min. Based on the drying model, the optimum drying conditions were determined to be 40 min at 90 ℃. Conclusion: The potato-oat instant noodles prepared under …

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Effects Of Different Process Treatments On Stability Of Compound Sesame Paste System, Wang Yu, Ji Xiaomei, Yang Ruixiang, Sa Rula, Zhang Suixin, Chen Lamei Dec 2023

Effects Of Different Process Treatments On Stability Of Compound Sesame Paste System, Wang Yu, Ji Xiaomei, Yang Ruixiang, Sa Rula, Zhang Suixin, Chen Lamei

Food and Machinery

Objective: This study aimed to investigate the system stability of composite sesame paste under different processing conditions. Methods: The effects of heating temperature, stirring time, cooling procedure, filling temperature, and standing curing procedure on centrifugal oil separation rate of composite sesame paste were investigated, and the oil separation days of composite sesame paste under the condition of 47 ℃ heat preservation was recorded. Results: The best technological conditions of composite sesame paste were as follows: heating temperature of 55 ℃, stirring time of 20 min, cooling and cooling at 0 ℃, filling temperature of 40 ℃, standing and curing for …

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Application Progress Of Supercritical Fluid Chromatography In Food Quality And Safety, Xing Qianqian Dec 2023

Application Progress Of Supercritical Fluid Chromatography In Food Quality And Safety, Xing Qianqian

Food and Machinery

Modern supercritical fluid chromatography technology has better stability and robustness, which can be coupled with mass spectrometry. Supercritical fluid chromatography has the characteristics of high selectivity, high sensitivity and short consumption time, which is not only suitable for high-throughput analysis, but also the analysis of trace compounds in complex samples. Moreover, the application of supercritical fluid chromatography in food quality and safety and the future development direction of supercritical fluid chromatography were also discussed.

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