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Articles 451 - 480 of 5215
Full-Text Articles in Food Science
Effects Of Irradiation Methods On Quality And Shelf Life Of Choerospondias Axillaris Pastilles, Mao Qingxiu, Xu Yuanfang, Chen Quling, Zhang Qiling, Li Wenge, Yang Yi
Effects Of Irradiation Methods On Quality And Shelf Life Of Choerospondias Axillaris Pastilles, Mao Qingxiu, Xu Yuanfang, Chen Quling, Zhang Qiling, Li Wenge, Yang Yi
Food and Machinery
Objective: This study aimed to explore the best irradiation method and irradiation dose to treat Choerospondias axillaris pastilles. Methods: C. axillaris pastilles were irradiated with 0～10 kGy gradient dose of 60Co-γ ray and electron beam respectively, the changes of the indexes including microbial load, protein, fat, total sugar, L(+)-ascorbic acid, organic acids, pH value, sensory quality, and the shelf life quality stored in 0～360 days at room temperature were studied. Results: 60Co-γ ray and electron beam irradiation both had bactericidal effects on C. axillaris pastilles, all microbial limit indexes including aerobic bacterial count, coliform bacteria, …
Simulation And Analysis Of Forced Air Precooling Performance Of Apples With Different Fruit Diameters, Tian Jinjin, Gu Xudong, Zhang Zhe, Zhu Zhiqiang, Ji Xian
Simulation And Analysis Of Forced Air Precooling Performance Of Apples With Different Fruit Diameters, Tian Jinjin, Gu Xudong, Zhang Zhe, Zhu Zhiqiang, Ji Xian
Food and Machinery
Objective: To analyze the effect of apples of different fruit diameters on differential pressure precooling under the same box. Methods: Based on the spherical analogy model and heat transfer theory, the CFD unsteady SST k-ω turbulence model was used to numerically simulate the differential pressure precooling of apples with different air supply air speed, temperature, box opening size and fruit diameter, and three different working conditions were selected for accuracy. The simulation scheme of mixed orthogonal test was used to discuss the effects of different factors and different fruit diameters on the cooling rate and pre-cooling uniformity. Results: …
Study Of Quality Changes In High Moisture Wheat After Hot Air Drying, Fan Mengke, Chen Pengxiao, Liu Ye, Zhu Wenxue, Jiang Mengmeng, Zhang Yurong, Wang Xiaowan, Wu Jianzhang
Study Of Quality Changes In High Moisture Wheat After Hot Air Drying, Fan Mengke, Chen Pengxiao, Liu Ye, Zhu Wenxue, Jiang Mengmeng, Zhang Yurong, Wang Xiaowan, Wu Jianzhang
Food and Machinery
Objective: To study the effects of different drying processes on the quality of high moisture wheat. Methods: Investigates the changes of wheat quality under different drying processes in three dimensions: appearance quality, nutritional quality and processing quality. Three indicators, namely colour, wet gluten content and drying rate, were selected as response values and combined with response surface analysis to predict the optimal drying process for high moisture wheat. Results: Drying temperature was the main influencing factor. As the temperature increased, the colour of the wheat deepened, the crude protein content decreased, the wet gluten content decreased, the water absorption of …
Phenolic Compositions And In Vitro Antioxidant Activities Of Tartary Buckwheat Wine Lees, Zhao Jiawei, Zheng Jia, Li Mao, Zhang Weijian, Yan Junlin
Phenolic Compositions And In Vitro Antioxidant Activities Of Tartary Buckwheat Wine Lees, Zhao Jiawei, Zheng Jia, Li Mao, Zhang Weijian, Yan Junlin
Food and Machinery
Objective: Explored the composition and content of phenolic compounds in tartary buckwheat wine lees, and study their antioxidant activity. Methods: Phenolic compounds in tartary buckwheat wine lees were analyzed by HPLC and LC-MS. And evaluating its antioxidant activity. Results: 7 phenolic compounds were identified from tartary buckwheat wine lees, including 5 flavonoids, with the highest content of rutin of （9.350±0.050） mg/g, followed by quercetin, isoquercetin, kaempferol-3-o-rutoside and kaempferol of two phenolic compounds. At 0.5 mg/mL, the scavenging rates of hydroxyl free radical, ABTS+ and DPPH free radical reached （73.29±0.09）%, （96.21±0.25）% and （82.55±0.68）%, respectively, with FRAP value of …
Changes Of Volatile Aroma Components And Biochemical Components In Fenghuang Dancong Tea During Processing, Li Zhangwei
Changes Of Volatile Aroma Components And Biochemical Components In Fenghuang Dancong Tea During Processing, Li Zhangwei
Food and Machinery
Objective： This study aimed to optimize the processing technology of Fenghuang dancong tea. Methods： Headspace solid phase microextraction (HS-SPME), Gas chromatography-mass spectrometry (GC-MS), and spectrophotometer were used to extract, determine and analyze the volatile aroma and non-volatile biochemical components of Fenghuang dancong tea in different stages of processing. Results: The alcohols, aldehydes, ketones and esters showed a decreasing trend while the alkanes and aromatic ring substances exhibited an increasing trend during the processing. The contents of tea polyphenols, amino acids, caffeine, and catechin in non-volatile biochemical components decreased gradually during processing. The contents of soluble sugar and water extract increased …
Optimization Of Extraction Process And Structural Characterization Of Polysaccharides From Cornus Officinalis, Xiao Fucai, Li Yingkui, Huang Fei, Gu Junhua
Optimization Of Extraction Process And Structural Characterization Of Polysaccharides From Cornus Officinalis, Xiao Fucai, Li Yingkui, Huang Fei, Gu Junhua
Food and Machinery
Objective: This study aimed to optimize the microwave assisted aqueous two-phase extraction (MATPE) process of polysaccharides from Cornus officinalis and obtain a uniform polysaccharide fraction. Methods: The best extraction technology was determined through an orthogonal experiment. To obtain a uniform polysaccharides fraction (COP-2-S), the crude extract of C. officinalis polysaccharides was purified using DEAE-52 cellulose and Sephadex G-100 column chromatography. The molecular weight of COP-2-S was determined by high performance gel permeation chromatography. The monosaccharide composition of COP-2-S was determined by gas chromatography. The structure of COP-2-S was characterized by UV, and IR spectra, and a scanning electron microscope. Results: …
Effect Of Different Drying Methods On The Edible Quality Of Tibetan Pork Jerky, Lin Hua, Xu Daohuang
Effect Of Different Drying Methods On The Edible Quality Of Tibetan Pork Jerky, Lin Hua, Xu Daohuang
Food and Machinery
Objective: This study aimed to investigate the effect of different drying methods on the edible quality of dried Tibetan pork. Methods: The effects of four drying methods, namely frying, pre-cooking-frying, baking, and pre-cooking-baking, on the edible quality of Tibetan pork jerky were investigated using Tibetan pork as raw material. Results: Different drying methods had significant effects on the quality indexes of dried Tibetan pork such as color rendering, textural characteristics, and nutrient component. Among them, the frying group had the highest sensory score, uniform color, rich meat flavor, moderate hardness, and good eating quality. The baking group had a higher …
Preparation And Quality Evaluation Of Polygonati Rhizoma Modified Powder By Extrusion Cooking, Cao Yuxin, Zheng Tao, Luo Kun, Zheng Hui, Yang Yong
Preparation And Quality Evaluation Of Polygonati Rhizoma Modified Powder By Extrusion Cooking, Cao Yuxin, Zheng Tao, Luo Kun, Zheng Hui, Yang Yong
Food and Machinery
Objective: This study aimed to improve the functional characteristics of Polygonati rhizoma （PR）. Methods: Using the freeze-dried fresh PR and nine-steam-nine-bask processing PR as control products, the study comprehensively compared and analyzed human sensory, electronic sensory, color, fluidity, dissolving ability, extract content, total polysaccharide content and total saponin content in PR powder modified by extrusion cooking. Results: Extrusion cooking effectively eliminated the bad taste and improved the color and fluidity of PR powder. Compared with the nine-steam-nine-bask processing, extrusion cooking significantly increased the total polysaccharide content and total saponin content, with increase rates of 49.27% and 69.10%, respectively. Conclusion: …
Optimization Of Pectin Extraction From Immature Fruits Of Guanxi Pomelo By Lactobacillus Plantarum Fermentation, Ding Hongxia, Yang Yuanfan, Huang Shuan, Ni Hui
Optimization Of Pectin Extraction From Immature Fruits Of Guanxi Pomelo By Lactobacillus Plantarum Fermentation, Ding Hongxia, Yang Yuanfan, Huang Shuan, Ni Hui
Food and Machinery
Objective: This study aimed to optimize the pectin extraction yield from immature fruits of Guanxi pomelo by L. plantarum fermentation and analysis of the properties of pectin extracted by L.s plantarum fermentation. Methods: Taking the extraction yield of pectin as the index, orthogonal test was used to optimize the process conditions of fermentation of immature fruits of Guanxi pomelo by L. plantarum, and the content of galacturonic acid, degree of esterification, protein, water-holding capacity, oil-holding capacity, emulsifying activity and emulsion stability of pectin were determined. Results: The optimal conditions for fermentation of immature fruits of Guanxi pomelo by L. …
Research Progress On Extraction, Structural, Functional Properties And Applications Of Tuber Polysaccharides, Li Pan, Zeng Xiangquan, Li Qianqian, Li Jian
Research Progress On Extraction, Structural, Functional Properties And Applications Of Tuber Polysaccharides, Li Pan, Zeng Xiangquan, Li Qianqian, Li Jian
Food and Machinery
Polysaccharides are the main active ingredients of edible fungi, which have been widely utilized in the food industry. As a member of the truffle family, Tuber are rich in polysaccharides. Previous studies mainly focused on solvent, ultrasound-assisted, microwave-assisted, enzyme-assisted and pressurized liquid extractions regarding the extraction methods of Tuber polysaccharides. The molecular weight, monosaccharide composition and content, configuration, and ligation mechanism of sugar residues, along with the polysaccharide types of Tuber polysaccharides, have all been studied in relation to the characterization of chemical structures. Additionally, the antioxidant, antitumor, hypoglycemia, anti-fatigue, and immunomodulatory activities have been evaluated as well. In food …
Applications Of Modified Dietary Fibers In Flour Products, Pei Lina, Luo Denglin, Li Peiyan, Yue Chonghui, Bai Zhouya
Applications Of Modified Dietary Fibers In Flour Products, Pei Lina, Luo Denglin, Li Peiyan, Yue Chonghui, Bai Zhouya
Food and Machinery
Flour loses a large amount of dietary fiber (DF) during precision processing, which is considered an important component of a healthy diet and has various physiological activities. This review introduces the common modification methods of DF and summarizes the change rules and reasons of physical and chemical properties and physiological activities of DF after modification. Additionally, the applications of DF in dough, biscuits, noodles, bread, steamed bread and cakes are discussed. The current issues and potential future development paths are also highlighted.
Research Progress Of Mung Bean Pre-Curing Technology And Quality, Qu Meilin, Hu Junjun, Cheng Zhe, Li Yunlong
Research Progress Of Mung Bean Pre-Curing Technology And Quality, Qu Meilin, Hu Junjun, Cheng Zhe, Li Yunlong
Food and Machinery
Mung beans are rich in nutrients, but their dense structure and dense cortex lead to long a maturation time and poor edible convenience. To provide an empirical basis and novel ideas for future research on the pre-ripening of mung beans, this review analyzes pre-ripening, specifically focusing on the pre-ripening process of mung beans and the effects of different processing methods on the edible quality and nutritional components of mung beans. Moreover, the development direction of preripening technology of mung beans is also prospected.
Research Progress In The Detection Of Amide Alcohol Drugs In Animal-Origin Foods, Zhang Zhenyu, Cui Haiyan, Wang Yong
Research Progress In The Detection Of Amide Alcohol Drugs In Animal-Origin Foods, Zhang Zhenyu, Cui Haiyan, Wang Yong
Food and Machinery
Amide alcohol drugs have a long half-life and are difficult to excrete through the metabolic process after entering the human body. Excessive amide alcohol drugs will cause serious harm to human organs. Therefore, China has formulated a strict maximum residue limit standard for amide alcohol drugs, in which chloramphenicol can’t be detected in all edible tissues. This review introduces the application of chromatography, mass spectrometry, electrochemical method, electrochemiluminescence method, immunoassay, fluorescence method and surface-enhanced Raman spectroscopy method in the detection of amide alcohol drugs in animal-origin foods, and the advantages and disadvantages of these methods are analyzed and new techniques …
Study On The Optimization Of Sourdough Starter With High Activity, Zhao Jiajia, Gu Yao, Li Yan, Qian Haifeng, Wang Li
Study On The Optimization Of Sourdough Starter With High Activity, Zhao Jiajia, Gu Yao, Li Yan, Qian Haifeng, Wang Li
Food and Machinery
Objective: This research aimed to study the preparation of standardized and stable sourdough starter, to explore the effects of different drying processes and protective agents on the survival rate of sourdough, and examine its storage activity. Methods: A variety of fruits were selected to prepare sourdough, the fermentation process was studied, and the strains were isolated and identified by ITs and 16s gene sequencing in the database. The optimum scheme was obtained by selecting the drying process, sample state and protectant formulation with the activity after drying and storage activity as indexes. Results: It was found that the bread prepared …
Characterization Of D-Lactate Dehydrogenase In Leuconostoc Citreum Km20, Wen Yuping, Liu Jinxi, Jin Qing, Cui Hushan
Characterization Of D-Lactate Dehydrogenase In Leuconostoc Citreum Km20, Wen Yuping, Liu Jinxi, Jin Qing, Cui Hushan
Food and Machinery
Objective: This study focused on investigating the enzymatic characteristics of D-lactate dehydrogenase (D-LDH) in Leuconostoc citreum KM20. Methods: The D-lactate dehydrogenase gene (LDH) from L.citreum KM20 was cloned and expressed to construct expression plasmid, and then transformed into Escherichia coli BL21 (DE3) for overexpression. Results: The enzymes encoded by LCK_00027 and LCK_00222 were purified by Ni-NTA column affinity chromatography with molecular mass of 40.0 kDa and 38.5 kDa, respectively. The specific activities were 2.18 U/mg and 153.10 U/mg, respectively. The optimal pH and temperature for pyruvate reduction were 8.0 and 40 ℃, respectively, while for the …
Determination Of Ethylenediaminetetraacetic Acid And Nitrilotriacetic Acid In Water, Wang Xueting, Zheng Bin
Determination Of Ethylenediaminetetraacetic Acid And Nitrilotriacetic Acid In Water, Wang Xueting, Zheng Bin
Food and Machinery
Objective: A high performance liquid chromatography method was developed to determine EDTA and NTA in water. Methods: The samples were derivatized with ferric chloride, used methanol and a 0.2 mmol/L tetrabutylammonium bromide phosphate buffer solution (pH 2.5) as the mobile phase, separated on a Thermo-C18 (4.6 mm×250 mm) column after gradient elution, detected by HPLC with a diode array detector, and used external standard method for quantitation. Results: The content of EDTA and NTA showed a good linear relationship in the range of 0.1～2.0 mg/L, the correlation coefficients were 0.999 5 and 0.999 2 respectively; The limits of detection …
Extraction And Identification Of Wear Features On Grinding Roller Surface Of Grinding Mill, Wang Xuefeng, Wu Wenbin, Zhao Baowei, Jia Huapo
Extraction And Identification Of Wear Features On Grinding Roller Surface Of Grinding Mill, Wang Xuefeng, Wu Wenbin, Zhao Baowei, Jia Huapo
Food and Machinery
Objective: To achieve surface wear life prediction of abrasive blast rollers of grinding machines. Methods: The wear images of the grinding roller surface were acquired by the built image acquisition system, and the texture parameters such as second order moments, entropy value, contrast and correlation in the wear cycle of the grinding roller were obtained based on the grey scale co-generation matrix algorithm, and the obtained texture feature parameters were input into the constructed PSO-based LS-SVM algorithm model to finally predict the wear life of the blast roller. Results: The particle swarm algorithm could optimize the penalty factor and kernel …
Apple Weight Estimation Based On Joint Image Optimal Feature Extraction And Improved Rbf Neural Network, Zhao Min, Wang Chengrong, Li Run
Apple Weight Estimation Based On Joint Image Optimal Feature Extraction And Improved Rbf Neural Network, Zhao Min, Wang Chengrong, Li Run
Food and Machinery
Objective: Taking Aksu apples as an example, a joint image optimal feature extraction and improved RBF neural network learning apple weight estimation method is designed to overcome the high cost and large error of manual grading and weighing. Methods: Firstly, an apple image acquisition system was established to obtain apple foreground image information. Secondly, the optimal subset extraction strategy for apple image feature sets was designed, by transforming the process of extracting the optimal subset into an objective function optimization problem, and an improved discrete locust optimization algorithm was designed to obtain the optimal apple image feature subset. Finally, a …
Effects Of Sodium Isoascorbate Treatment On Storage Quality Of Fresh-Cut Lanzhou Lily, Xiong Siguo, Tang Xiaolan, Song Longlong, Pan Xuan, Ge Junqiao, Jiang Aili
Effects Of Sodium Isoascorbate Treatment On Storage Quality Of Fresh-Cut Lanzhou Lily, Xiong Siguo, Tang Xiaolan, Song Longlong, Pan Xuan, Ge Junqiao, Jiang Aili
Food and Machinery
Objective: This study aimed to extend the storage period of fresh-cut Lanzhou lily. Methods: Fresh-cut Lanzhou lily was used as raw materials. Following fresh-cut processing, the raw materials were soaked with 0 (CK), 1, 5, and 10 g/L of SI solution to analyze the quality changes of fresh-cut Lanzhou lily during storage. Results: The soaking treatment with 10 g/L of SI could better maintain the brightness of freshly cut Lanzhou lily. At 21 days of storage, the concentrations of malondialdehyde, soluble sugar, and browning were, respectively, 45%, 8%, and 23% lower than those of the CK group. The SI-treated group …
Effects Of Different Drying Methods On The Quality And Volatile Flavor Components Of Stropharia Rugosoannulata, Wu Kunlong, Li Yanpo, Liu Biao, Chen Zhilong, Xu Yangli
Effects Of Different Drying Methods On The Quality And Volatile Flavor Components Of Stropharia Rugosoannulata, Wu Kunlong, Li Yanpo, Liu Biao, Chen Zhilong, Xu Yangli
Food and Machinery
Objective: This study aims to investigate the effect of different drying methods on the drying characteristics and volatile flavor of Stropharia rugosoannulata as raw material. Methods： The fresh S.rugosoannulata was dried by freeze-drying, heat pump drying, hot air drying, and microwave drying, and then the physical and chemical indexes were investigated. Results: The contents of crude protein, crude fat, ash, potassium, calcium, total flavonoids, essential amino acids, flavor amino acids and total amino acids are the highest in freeze drying. The six teenamino acids achieved 16.88 g/100 g in the freeze-drying. The rehydration rate and color all play the best …
Study On Process Optimization And Antioxidant Activity Of Fermentative Cynanchum Auriculatum Tablet, Bu Jing, Shi Yun, Lin Yan, Qin Yuanyuan, Hong Jian
Study On Process Optimization And Antioxidant Activity Of Fermentative Cynanchum Auriculatum Tablet, Bu Jing, Shi Yun, Lin Yan, Qin Yuanyuan, Hong Jian
Food and Machinery
Objective: This study aimed to optimize the process parameters of fermentative Cynanchum auriculatum (CA) tablets to develop a new type of fermented product of CA. Methods: Taking complete slices of CA as raw materials, the process parameters of fermentative CA tablets were optimized by response surface methodology based on single factor experiments with sensory score and total acid content as indicators, and the antioxidant activity and amino acid content of fermentative CA tablets were tested. Results: The optimal process parameters for fermentative CA tablets were material liquid at ratio 1∶1, fermentation at 31 ℃, inoculation amount 9.6% and fermenting for …
Construction Of An Array Of Antibody–Gold Nanoparticle Conjugates For Their Comparative Assessment On Multiplex Lateral Flow Test To Detect Mycotoxins, Bilal Javed Nanolab Research Centre, Vinayak Sharma School Of Food Science And Environmental Health, Furong Tian Nanolab Research Centre
Construction Of An Array Of Antibody–Gold Nanoparticle Conjugates For Their Comparative Assessment On Multiplex Lateral Flow Test To Detect Mycotoxins, Bilal Javed Nanolab Research Centre, Vinayak Sharma School Of Food Science And Environmental Health, Furong Tian Nanolab Research Centre
Articles
Bio-functionalized gold nanoparticles with anti-toxin antibody conjugates have unique physical, biochemical, and optical properties that can greatly improve the performance of biochemical assays because they can enhance the signal intensity of analyte, improve signal transduction, have higher sensitivity of analyte detection, and provide simple colorimetric signal readouts. The surface properties of gold nanoparticles, along with various antibody conjugates, play a significant role in terms of functionalizing gold nanoparticles, and the strategy for surface modification is of great significance to the application of gold nanoparticle-mediated biochemical assays. Spherical gold nanoparticles are among the most used reporter molecules in lateral flow assays. …
Online Class-Incremental Learning For Real-World Food Image Classification, Siddeshwar Raghavan, Jiangpeng He, Fengqing Zhu
Online Class-Incremental Learning For Real-World Food Image Classification, Siddeshwar Raghavan, Jiangpeng He, Fengqing Zhu
Graduate Industrial Research Symposium
Food image classification is essential for monitoring health and tracking dietary in image-based dietary assessment methods. However, conventional systems often rely on static datasets with fixed classes and uniform distribution. In contrast, real-world food consumption patterns, shaped by cultural, economic, and personal influences, involve dynamic and evolving data. Thus, it requires the classification system to cope with continuously evolving data. Online Class Incremental Learning (OCIL) addresses the challenge of learning continuously from a single-pass data stream while adapting to the new knowledge and reducing catastrophic forgetting. Experience Replay (ER) based OCIL methods store a small portion of previous data and …
Mushrooom Production Without Solid Substrates, Alexander Baena, Marshall Porterfield
Mushrooom Production Without Solid Substrates, Alexander Baena, Marshall Porterfield
Graduate Industrial Research Symposium
Novel biotechnological approaches are needed to enhance renewable food production and waste recycling capabilities in resource-constrained environments. Edible mushrooms possess nutritious profiles and represent emerging opportunities to develop circular bioproduction by transforming waste organic materials into food and high-value products. However, traditional mushroom cultivation methods utilizing solid substrates have technical limitations like 1) uneven nutrient diffusion, 2) constant sterilization needs, 3) numerous intermediate steps that are energy and time-demanding, and 4) waste production from bags and jars. This work introduces an innovative hydroponic fungal cultivation system called Mycoponics™ using bioengineered ceramic materials. This liquid-nutrient-based technique optimizes fungal metabolism and facilitates …
Dna Barcoding Methodologies For The Identification Of Fish Species In Cooked Products, Rosalee S. Hellberg
Dna Barcoding Methodologies For The Identification Of Fish Species In Cooked Products, Rosalee S. Hellberg
Food Science Faculty Books and Book Chapters
Deoxyribonucleic acid (DNA) barcoding is a sequencing-based method that utilizes a standardized genetic region to identify species in combination with a reference database. DNA barcoding methodologies have been extensively applied to the identification of species in cooked seafood. While the typical genetic target associated with DNA barcoding is a ~650-bp region of the gene coding for cytochrome (cyt) c oxidase subunit I (COI), additional genetic targets include partial regions of the cyt b and 16S ribosomal ribonucleic acid (rRNA) genes. Most categories of cooked seafood can be identified using ~400- to 700-bp regions of these genes; however, canned seafood and …
Antioxidant Properties Of Kombucha Beverage Infused With Ganoderma Lucidum And Green Tea From Camellia Sinensis (L.) Kuntze With Several Fermentation Times, Rizki Rabeca Elfirta, Pamungkas Rizki Ferdian, Iwan Saskiawan, Tri Hadi Handayani, Kayla Faza Gustafri Mandalika, Rini Riffiani, Kasirah Kasirah, Ukhradiya Magharaniq Safira Purwanto
Antioxidant Properties Of Kombucha Beverage Infused With Ganoderma Lucidum And Green Tea From Camellia Sinensis (L.) Kuntze With Several Fermentation Times, Rizki Rabeca Elfirta, Pamungkas Rizki Ferdian, Iwan Saskiawan, Tri Hadi Handayani, Kayla Faza Gustafri Mandalika, Rini Riffiani, Kasirah Kasirah, Ukhradiya Magharaniq Safira Purwanto
Karbala International Journal of Modern Science
Kombucha is a functional beverage produced through the fermentation of infused tea or Camelia sinensis (L.) Kuntze (CS) by a symbiotic culture of bacteria and yeast. Apparently, the substrate of kombucha can be substituted to enhance its functional properties. Ganoderma lucidum (GL) is a potential substrate reported to have health benefits. This study aims to evaluate antioxidant properties by comparing different formulations and fermentation times. The formulations prepared in the present study varied in the compositions of GL and CS substrates, namely F1 (100% GL), F2 (75% GL: 25% CS), F3 (50% GL: 50% CS), F4 (25% GL: 75% CS), …
Changes Of Volatile Flavor Compounds In Cantonese Sausage Containing Sauce-Flavor Baijiu During Air-Drying, Nie Xin, Chen Hongfan, Mao Jingjing, Liu Dayu, Zhao Zhiping, Shen Caihong
Changes Of Volatile Flavor Compounds In Cantonese Sausage Containing Sauce-Flavor Baijiu During Air-Drying, Nie Xin, Chen Hongfan, Mao Jingjing, Liu Dayu, Zhao Zhiping, Shen Caihong
Food and Machinery
Objective: This study aimed to improve the flavor of Cantonese sausage and innovate the product. Methods: The volatile flavor compounds in the Cantonese sausages containing sauce-flavor Baijiu air-dried for 0 day, 2 days and 4 days were detected by GC-MS, and the changes of volatile flavor compounds were analyzed by multivariate statistics. Results: A total of 39 volatile flavor compounds were detected through GC-MS technology, including 18 hydrocarbons, 12 esters, 2 aldehydes, 2 ethers, 1 alcohol, 1 acid, 1 ketone and 2 other compounds. Esters, aldehydes, alcohols and hydrocarbons significantly increased during air-drying, while ketones and ethers showed a trend …
Optimization Of Semiconductor Refrigeration Cold Stage Usage Conditions And Its Application In High Moisture Content Samples In Scanning Electron Mmicroscopy, Chen Xiyan, Wei Lanlan, Kang Jingquan, Duan Hui, Fan Ningjuan
Optimization Of Semiconductor Refrigeration Cold Stage Usage Conditions And Its Application In High Moisture Content Samples In Scanning Electron Mmicroscopy, Chen Xiyan, Wei Lanlan, Kang Jingquan, Duan Hui, Fan Ningjuan
Food and Machinery
Objective: To effectively solve the difficulty of observing the electron microstructure of samples with high water content. Methods: A series of samples with high water content were observed by conventional scanning electron microscope with a new mode instrument combination of semiconductor cold cooling table. Results: Under the conditions of conductive tape as matrix, voltage 5 kV, electron beam spot of 50 or 60, and cold table temperature of 4 ℃, the sample with high water content did not need to be fixed and dehydrated, and its microstructure could be directly imaged under the scanning electron microscope to observe its microstructure. …
Effects Of Sodium Hypochlorite On The Physicochemical Characteristics Of Arrowhead Starch, Xi Wanting, Liu Guiru, Li Meng, Ji Derong, Duan Lili
Effects Of Sodium Hypochlorite On The Physicochemical Characteristics Of Arrowhead Starch, Xi Wanting, Liu Guiru, Li Meng, Ji Derong, Duan Lili
Food and Machinery
Objective: The effect of sodium hypochlorite on the physicochemical properties and digestive characteristics of arrowhead starch was studied. Methods: In a weakly alkaline environment, sodium hypochlorite was used as an oxidant, and the added amounts were 0%, 1%, 3%, 5%, 7%, and 9% (based on the mass fraction of available chlorine in dry basis arrowhead starch). Following a 4-hour oxidation reaction with arrowhead starch, the modified starch's amylose content, swelling power, solubility, coagulation stability, color difference, light transmittance, scanning electron microscopy, X-ray diffraction, and other physical and chemical properties were measured, along with its digestibility. Results: The amylose concentration, solubility …
Effects Of Glutinous Rice Flour On The Baking And Aging Characteristics Of Sponge Cake, Yu Shulei, Jiang Pengfei, Wang Dan, Qi Libo, Shang Shan
Effects Of Glutinous Rice Flour On The Baking And Aging Characteristics Of Sponge Cake, Yu Shulei, Jiang Pengfei, Wang Dan, Qi Libo, Shang Shan
Food and Machinery
Objective： This study aimed to develop a new type of sponge cake with glutinous rice flavor. Methods： To investigate the impact of different glutinous rice flour substitutions in the prepared baking flour on the rheological properties, density of batter, specific volume, baking loss rate, sensory evaluation and pore size distribution of cake were investigated. Also, the texture analysis, moisture distribution, starch ordered structure and crystallinity of cake after 7 days of storage were meaured. Results： With the increasing substitution of glutinous rice flour, the batter density reduced, improving the specific volume and the pore size distribution. Effectively delaying the retrogradation …