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Articles 42751 - 42780 of 255929

Full-Text Articles in Life Sciences

Effect Of Three Drying Methods On The Quality Of Taihe Toona Sinensis Bud, Yan-Hong Liu, Zhang-Ping Xiong, Chun-Yan Ji, Shuang-Fang Li, Sheng-Jie Liu Feb 2023

Effect Of Three Drying Methods On The Quality Of Taihe Toona Sinensis Bud, Yan-Hong Liu, Zhang-Ping Xiong, Chun-Yan Ji, Shuang-Fang Li, Sheng-Jie Liu

Food and Machinery

The natural drying, hot air drying at different temperatures and vacuum freeze drying were carried out on the buds of Taihe toon respectively. The changes of nutrient components such as VC, chlorophyll, total flavone and protein and the rehydration performance of Taihe toon buds after drying were determined. The effects of different drying methods on the quality of Taihe toon buds were comprehensively evaluated. In the dry products obtained by vacuum freeze-drying, the retention of VC, chlorophyll, total flavonoids and protein was the highest, which were 74.00 mg/100 g, 14.1 mg/g, 3.50 mg/g, 8.12 mg/g, respectively. …

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Construction And Prediction Of Bayesian Network Model Of Relationship Between Process Parameters And Discharge Quality In Loosening And Conditioning, Jun Tang, Li Tang, Li-Liang Wen, Bang-Hua He, Wen-Qiang Lin, Zhong-Da Zeng, Ning Ma, Bing Zhou Feb 2023

Construction And Prediction Of Bayesian Network Model Of Relationship Between Process Parameters And Discharge Quality In Loosening And Conditioning, Jun Tang, Li Tang, Li-Liang Wen, Bang-Hua He, Wen-Qiang Lin, Zhong-Da Zeng, Ning Ma, Bing Zhou

Food and Machinery

The complex relationship between the process parameters and the quality index of loosening and conditioning process was studied, and the network model was established by using Bayesian network analysis method. The results showed that: ① The network model of loosening and conditioning process could well reveal the influence relationship and influence weight of process parameters on the discharge moisture content and temperature. ② The influence degree of process parameters on the discharge moisture content was determined as from high to low, opening of automatic valve for air water mixing ＞ unit time material cumulative measurement ＞ water addition ratio ＞ …

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Research Progress On Microorganism Of Dry Cured Ham, Ming Ju, Xin Liu, Guan-Hao Li, Qian-Kun Zheng, Min Li, Chun-Xiang Piao, Ming-Xun Cui Feb 2023

Research Progress On Microorganism Of Dry Cured Ham, Ming Ju, Xin Liu, Guan-Hao Li, Qian-Kun Zheng, Min Li, Chun-Xiang Piao, Ming-Xun Cui

Food and Machinery

This paper summarized the research status of microorganisms in dry cured ham, summarized the influence of yeast, mold and bacteria on the microbial diversity of ham, elaborated the influence of mycotoxins, pathogenic bacteria and spoilage bacteria on the safety of ham, and prospected the development direction of dry cured ham fermentation industry.

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Drying Characteristics And Quality Of Turpan Seedless White Grape In Different Drying Rooms, E-Li Ka-Si-Mu, Li Ze-Ping, Li Xue-Lian, Shi Yong, Zhou Jun, Huang Hua, Guo Jun-Xian Feb 2023

Drying Characteristics And Quality Of Turpan Seedless White Grape In Different Drying Rooms, E-Li Ka-Si-Mu, Li Ze-Ping, Li Xue-Lian, Shi Yong, Zhou Jun, Huang Hua, Guo Jun-Xian

Food and Machinery

The drying time, green rate, sugar content, VC content, sensory index, and color (including the average value of L*, a*, b*, R, G, B, etc) of seedless white grape in southwest, southeast, north-south, and east-west directions were compared for three kinds of drying houses constructed with different materials in Turpan area. The results showed that in brick drying house and adobe drying house, the drying time of seedless white grape in southwest direction was 24 days, the rate of green product was 32% and 24%, the sugar content was 721.3 mg/g and 719.6 mg/g, the content of VC was 7.84 …

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Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li Feb 2023

Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li

Food and Machinery

The resistant starch (RS3) was prepared by ultrasonic and thermal-press processing using the starch from Eleusine cor-acana (L.) Gaertn (finger millet) as a raw material. The physicochemical properties and digestive characteristics of the finger millet RS3 were characterized. The results showed that compared with the raw starch of finger milletraw, RS3 had greater solubility, thermal stability and freeze-thaw stability; while its swelling and settling properties were small, and these characteristics could be used to improve the texture of the food and increase the crispness of the food. Compared with ordinary corn RS3, the finger …

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Analysis And Comporison Of Nutritional Component In The Muscle Of Zhedong Geese And Landes Geese, Hua Yang, Su-Ling Sun, Wei-Hu Chen, Li-Zhi Lu, Yu Zhang, Jun-Hong Wang, Zuo-Yi Zhu, Xue Li, Wei Wang Feb 2023

Analysis And Comporison Of Nutritional Component In The Muscle Of Zhedong Geese And Landes Geese, Hua Yang, Su-Ling Sun, Wei-Hu Chen, Li-Zhi Lu, Yu Zhang, Jun-Hong Wang, Zuo-Yi Zhu, Xue Li, Wei Wang

Food and Machinery

To study the difference of nutritional value of Zhedong geese and Landes geese, the contents of nutritional component in chest and leg muscle of Zhedong geese and Landes geese were determined. The results showed that crude fat content of Zhedong geese was higher than that of Landes geese. However, crude protein and crude ash contents were almost same in Zhedong geese and Landes geese. Both Zhedong geese andLandes geese had a wide variety of amino acids, and their essential amino acids (EAA) compositions and structures fit in FAO/WHO recommended pattern for amino acids. The first limited amino acid in Zhedong …

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Auxiliary Hypoglycemic Effects Of Compound Nutritional Powder On The Type 2 Diabetic Rats, Qing-Hai Sheng, Wei Zhao, Yan-Ju Jia, Zhi-Yong Dai, Ying He, Jing Liu, Li Xu, Jin-Li Long, Jun Wang, Zeng-Ning Li Feb 2023

Auxiliary Hypoglycemic Effects Of Compound Nutritional Powder On The Type 2 Diabetic Rats, Qing-Hai Sheng, Wei Zhao, Yan-Ju Jia, Zhi-Yong Dai, Ying He, Jing Liu, Li Xu, Jin-Li Long, Jun Wang, Zeng-Ning Li

Food and Machinery

To evaluate the auxiliary blood glucose-lowering function of compound nutritional powder made from whole milk powder, erythritol, almond powder, resistant dextrin, polydextrose, inulin, mogroside, etc., on diabetic rats. Establish a rat model of insulin resistance glucose/lipid metabolism disorder, and evaluate the effects of compound nutritional powder on normal rats and insulin resistance glucose/lipid metabolism disorder model rats. The compound nutritional powder had no significant effect on the blood sugar of normal rats; the glucose tolerance index of insulin resistance glucose/lipid metabolism disorder model rats was positive, the blood lipid index was negative, and there was no significant change in insulin …

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Effect Of Airflow Ultrafine Pulverization On Physical Properties And Antioxidant Activity Of Mung Bean Sprouts, Xue-Mei Liang, Xin-Mei Lin, Mei-Xia Wei, Long-Kui Cao, Zhi-Jiang Li, Bao-Xin Lu Feb 2023

Effect Of Airflow Ultrafine Pulverization On Physical Properties And Antioxidant Activity Of Mung Bean Sprouts, Xue-Mei Liang, Xin-Mei Lin, Mei-Xia Wei, Long-Kui Cao, Zhi-Jiang Li, Bao-Xin Lu

Food and Machinery

Taking the mung bean sprouts after drying as raw materials, the changes in the extraction amount, antioxidant activity and physical properties of mung bean sprouts polyphenols after airflow ultrafine crushing treatment were compared. The results show that the best conditions for ultrafine pulverization of air flow were as followed: pressure 0.5 MPa and speed 5 000 r/min. Compared with conventional crushing, the extraction of mung bean sprouts polyphenols increased by 10.74%. In addition to the reduction of DPPH free radical scavenging ability, the removal ability of mung bean sprouts polyphenols to ABTS+ free radicals and hydroxyl free radicals increased …

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Rapid Determination Of 7 Hormones In Grass Carp Using Quechers Coupled With Uplc-Q/ Orbitrap Ms, Zhou Yan-Hua, Li Tao, Zhang Peng-Fei Feb 2023

Rapid Determination Of 7 Hormones In Grass Carp Using Quechers Coupled With Uplc-Q/ Orbitrap Ms, Zhou Yan-Hua, Li Tao, Zhang Peng-Fei

Food and Machinery

A simple and rapid method for the simultaneous determination of 7 kinds of hormones in grass carp was developed by the QuEChERS method coupled with ultra performance liquid chromatogragphy quadrupole/electrostatic field orbitrap high resolution mass spectrometry (UPLC-Q/Orbitrap MS). The results indicated that the linearity of all the 7 hormones ranged from 1.0 ng/mL to 100.0 ng/mL with the correlation coefficients greater than 0.998. The LOD was in the range of 0.04~0.60 μg/kg and the LOQ was in the range of 0.2~1.8 μg/kg. The recoveries were in the range of 71.4% to 106.9%, with the RSD (n=6) in the range of …

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Evaluation Of Uncertainty In Determination Of Benzoic Acid, Sorbic Acid And Saccharin Sodium In Edible Betel Nut By Hplc, Yuan He, Xiao Xiao-Yi, Liu Jia, Zhao Zhi-You, Xia Yan-Bin Feb 2023

Evaluation Of Uncertainty In Determination Of Benzoic Acid, Sorbic Acid And Saccharin Sodium In Edible Betel Nut By Hplc, Yuan He, Xiao Xiao-Yi, Liu Jia, Zhao Zhi-You, Xia Yan-Bin

Food and Machinery

According to GB 5009.28 2016 "National Standards for Food Safety Determination of Benzoic Acid, Sorbic Acid and Saccharin Sodium in Foods " of High Performance Liquid Chromatography, established an uncertainty evaluation method for the determination of benzoic acid, sorbic acid and saccharin sodium in Areca catechu L. by HPLC, comprehensively investigates the sources of uncertainty in the whole measurement process, and analyzes and quantifies it. The expanded uncertainty of benzoic acid, sorbic acid and saccharin sodium in the sample is 0.004 10, 0.030 7, 0.200 g/kg, respectively. The main source of uncertainty for the detection in Areca catechu L. is …

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Effect Of Electron Beam Irradiation On Storage Of Areca Taro, Sun Da-Yang, Shang Fei-Fei, Pan Zhong-Tian, Xie Yu-Hua, Liu Yan, Deng Chun-Li, Song Mu-Bo, Duan Zhen-Hua Feb 2023

Effect Of Electron Beam Irradiation On Storage Of Areca Taro, Sun Da-Yang, Shang Fei-Fei, Pan Zhong-Tian, Xie Yu-Hua, Liu Yan, Deng Chun-Li, Song Mu-Bo, Duan Zhen-Hua

Food and Machinery

In this study, the areca taro was treated by high energy electron beam with irradiation dose of 0.1,0.3,0.5,0.7, and 1.0 kGy. The effects of different irradiation doses on areca taro storage and antioxidant enzymes were studied. The results showed that low-dose electron beam irradiation could significantly reduce the decay rate of areca taro and better control the germination, and had little effect on the hardness, color and sensory quality. Meanwhile, they could maintain the activities of peroxidase, glutathione reductase and catalase. Among them, 0.1~0.5 kGy could be used as a suitable dose for irradiation storage of areca taro.

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The Research Progress Of Ginseng Glycopeptide, Ping Yu, Qing-He Zhang, Chang-Bao Chen, Ming-Yue Zhao, Yu Zhan, Lian-Yun Du Feb 2023

The Research Progress Of Ginseng Glycopeptide, Ping Yu, Qing-He Zhang, Chang-Bao Chen, Ming-Yue Zhao, Yu Zhan, Lian-Yun Du

Food and Machinery

In this review, the methods of extraction and separation, detection and analysis, structure identification and functional activity of ginseng glycopeptide were summarized and its future development direction was prospected.

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The Effects Of High-Pressure Microfluidization On The Properties Of Lotus Seed Starch-Glycerin Monostearin Complex, Yi-Xin Zheng, Ze-Bin Guo, Yi Zhang, Bao-Dong Zheng, Shao-Xiao Zeng, Hong-Liang Zeng Feb 2023

The Effects Of High-Pressure Microfluidization On The Properties Of Lotus Seed Starch-Glycerin Monostearin Complex, Yi-Xin Zheng, Ze-Bin Guo, Yi Zhang, Bao-Dong Zheng, Shao-Xiao Zeng, Hong-Liang Zeng

Food and Machinery

In order to investigate the effects of microfluidization in different pressure combined with pullulanase debranching treatment on the structural properties and starch composition of lotus seed starch-glycerin monostearin complex, the determination of amylose, complex index, crystal structure, microstructural morphology and starch composition were discussed and analyzed. The results showed that the appropriate microfluidization conditions were more conducive to exert the debranching of pullulanase and facilitate the formation of lotus seed starch-glycerin monostearin complex. 80 MPa of microfluidization condition contributed to the crystal structure of the starch complex developing in the direction of high-microcrystalline V6I-type, and the formation of …

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Improvement Of Feeding Device Of Packaging Machine And Design Of Geneva Mechanism With Curved Slots, Ya-Li Liu, Jun Zhang, Xiao-Ping Yang, Bang-Yin Xie Feb 2023

Improvement Of Feeding Device Of Packaging Machine And Design Of Geneva Mechanism With Curved Slots, Ya-Li Liu, Jun Zhang, Xiao-Ping Yang, Bang-Yin Xie

Food and Machinery

Aimed at the problem of incomplete discharge and sprinkling of powder material packaging machine during high-speed packaging, the geneva mechanism with curved groove was applied to automatic packaging machine to realize variable-speed feeding. This mechanism could run at lower speed in unloading area and at higher speed in non-unloading area. Using the relationship of Pro/E software, the 3D parameterized model of the feeding device was established. The results showed that the maximum packaging speed of variable speed feeding could be increased by 35.6%, and the geneva mechanism with curved groove was suitable for higher speed packing.

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Inhibitory Effect Of Eugenol On Providence Vermicola In Aquatic Products, Tursunay Turgun, Fan Wang, Long-Long Fu, Nurgul Rahman, Xiao-Li Liu Feb 2023

Inhibitory Effect Of Eugenol On Providence Vermicola In Aquatic Products, Tursunay Turgun, Fan Wang, Long-Long Fu, Nurgul Rahman, Xiao-Li Liu

Food and Machinery

The inhibitory activity of eugenol was evaluated on Providence vermicola, which is a strain isolated from spoiled spicy crab product. The results showed that the minimum inhibitory concentration (MIC) was 0.25 mg/mL. Compared with the control group, the cells of P. vermicola treated with MIC eugenol were severely deformed, and wrinkles appeared. The cell wall of P. vermicola treated with eugenol was destroyed, leading to the leakage of intracellular substances and higher extracellular soluble protein content. The enzyme activities of malic acid dehydrogenase (MDH) and succinate dehydrogenase (SDH) were reduced by 33.01% and 19.81%, respectively. The normal metabolic system …

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Mitigation Of Salmonella On Food Contact Surfaces By Using Organic Acid Mixtures Containing 2-Hydroxy-4-(Methylthio) Butanoic Acid (Hmtba), Aiswariya Deliephan, Janak Dhakal, Bhadriraju Subramanyam, Charles G. Aldrich Feb 2023

Mitigation Of Salmonella On Food Contact Surfaces By Using Organic Acid Mixtures Containing 2-Hydroxy-4-(Methylthio) Butanoic Acid (Hmtba), Aiswariya Deliephan, Janak Dhakal, Bhadriraju Subramanyam, Charles G. Aldrich

Department of Food Science and Technology: Faculty Publications

Contaminated surfaces can transmit pathogens to food in industrial and domestic food-handling environments. Exposure to pathogens on food contact surfaces may take place via the cross-contamination of pathogens during postprocessing activities. Formaldehyde-based commercial sanitizers in recent years are less commonly being used within food manufacturing facilities due to consumer perception and labeling concerns. There is interest in investigating clean-label, food-safe components for use on food contact surfaces to mitigate contamination from pathogenic bacteria, including Salmonella. In this study, the antimicrobial effects of two types of organic acid mixtures containing 2-hydroxy-4-(methylthio) butanoic acid (HMTBa), Activate DA™ and Activate US WD-MAX™, …

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Mitigation Of Salmonella On Food Contact Surfaces By Using Organic Acid Mixtures Containing 2-Hydroxy-4-(Methylthio) Butanoic Acid (Hmtba), Aiswariya Deliephan, Janak Dhakal, Bhadriraju Subramanyam, Charles G. Aldrich Feb 2023

Mitigation Of Salmonella On Food Contact Surfaces By Using Organic Acid Mixtures Containing 2-Hydroxy-4-(Methylthio) Butanoic Acid (Hmtba), Aiswariya Deliephan, Janak Dhakal, Bhadriraju Subramanyam, Charles G. Aldrich

Department of Food Science and Technology: Faculty Publications

Contaminated surfaces can transmit pathogens to food in industrial and domestic food-handling environments. Exposure to pathogens on food contact surfaces may take place via the cross-contamination of pathogens during postprocessing activities. Formaldehyde-based commercial sanitizers in recent years are less commonly being used within food manufacturing facilities due to consumer perception and labeling concerns. There is interest in investigating clean-label, food-safe components for use on food contact surfaces to mitigate contamination from pathogenic bacteria, including Salmonella. In this study, the antimicrobial effects of two types of organic acid mixtures containing 2-hydroxy-4-(methylthio) butanoic acid (HMTBa), Activate DA™ and Activate US WDMAX …

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The Structure And Physicochemical Properties Of Different Types Of Dietary Fiber, Jun-Guang Li, Xi Jiang, Yun-Tao Wang, Xu-Yang Ma, Yan-Hong Bai Feb 2023

The Structure And Physicochemical Properties Of Different Types Of Dietary Fiber, Jun-Guang Li, Xi Jiang, Yun-Tao Wang, Xu-Yang Ma, Yan-Hong Bai

Food and Machinery

The physicochemical characteristics, including water holding capacity, oil holding capacity, swelling capacity, particle size, solubility, and thermal properties, of chickpea dietary fiber (DF), grape DF, soybean DF and wheat bran DF were evaluated in this study. The structural properties of DFs were characterized by Fourier transform infrared spectrum and scanning electron microscope. The results showed that chickpea DF had the best water holding capacity and oil holding capacity, at 2.45 g/g and 1.97 g/g, respectively. Wheat bran DF had the best swelling capacity (3.18 mL/g). The solubility of four dietary fibers were positively proportional to temperature, among which the solubility …

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Effect Of Short-Term Intake Of High Edible Oil On Viscera Coefficient And Gastrointestinal Motility In Mice, Zheng Tao, He Yun-Shan Feb 2023

Effect Of Short-Term Intake Of High Edible Oil On Viscera Coefficient And Gastrointestinal Motility In Mice, Zheng Tao, He Yun-Shan

Food and Machinery

To study the effect of short-term intake of high edible oil on the viscera coefficient and gastrointestinal motility in mice and providing the basis for rational dietary oil, 10 SPF KM mice were randomly divided into the control group and the edible oil group. The mice in the edible oil group were given edible oil twice a day, 0.3 mL each time, according to 20 mL/(kg·d) and mace in the control group were given equal amounts of distilled water for 13 days. The viscera coefficient and gastrointestinal motility of mice were compared. It was found that the dietary amount of …

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The Public Opinion Monitoring, Network Attention And Forecasting The Reference Values Of The Labeled Food Nutrition, Ze-Ying Huang Feb 2023

The Public Opinion Monitoring, Network Attention And Forecasting The Reference Values Of The Labeled Food Nutrition, Ze-Ying Huang

Food and Machinery

Using 1 531 comment data of Sina Weibo and 2 587 of Baidu index data from 2013 to 2020, based on word cloud analysis, text sentiment analysis, and ARIMA-SVM prediction model, based on word cloud analysis, text emotion analysis and ARIMA-SVM prediction model. It was found that residents most concerned about the nutrient reference value of energy, and the nutrient reference value of moon cakes, soy sauce, yuanxiao, milk and other products were more used, especially children's food. In general, the nutrient reference values obtained slightly higher praise, but there were also many controversies; nutrient reference values did not get …

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Study Of The Impacts Of Mono-, Di-Glyceride/Phospholipid (Mdg/Pl) On The Bioaccessibility Of Lipophilic Nutrients In Infant Formula Emulsion, Jun-Jie Hu, Yan Li, Huan-Huan Cui Feb 2023

Study Of The Impacts Of Mono-, Di-Glyceride/Phospholipid (Mdg/Pl) On The Bioaccessibility Of Lipophilic Nutrients In Infant Formula Emulsion, Jun-Jie Hu, Yan Li, Huan-Huan Cui

Food and Machinery

In this study, the in vitro digestion model was used for investigating the impacts of the application of Mono-, Di-glyceride (MDG) and phospholipid (PL) in the infant formula model emulsions on the bioaccessibility of lipophilic nutrients (vitamin D, carotenoids) contained in the formula. The addition of MDG/PL were found to significantly facilitate the micellization of lipophilic nutrients contained in the infant formula-based emulsion system at the simulated small intestine stage and led the digestion behavior more similar to human breast milk. The higher micellization rate resulted in higher absorption efficiency and higher bioavailability of liphophilic nutrients in the infant formula. …

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Effect Of Withering Time On Biochemical Components And Volatile Of Tea Leaves From Danxia 8, Xiao-Yan Qiao, Wei Chen, Cheng-Ying Ma, Dong Chen Feb 2023

Effect Of Withering Time On Biochemical Components And Volatile Of Tea Leaves From Danxia 8, Xiao-Yan Qiao, Wei Chen, Cheng-Ying Ma, Dong Chen

Food and Machinery

The comparative analysis was performed for the biochemical components, and volatile of tea leaves from Danxia 8 treated at different withering time. The regularity of biochemical characteristics and aroma profile were expected to find out by statistical methods. The results showed that tea polyphenols increased significantly from 0 h to 23 h, and then decreased significantly. The content of free amino acids increased significantly from 0 h to 16 h, while theanine decreased remarkably. The contents of free amino acids and theanine decreased significantly in the next time. At the whole withering process, caffeine content increased significantly, but theobromine decreased …

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Research On The Application Of Three-Step Hybrid Variable Selection Strategy In Chicken Moisture Detection By Near Infrared, Kai Yuan, Zhi-Yong Zhang, Qian Xi, Ying-Rui Wu, Dong-Sheng Guo, Guo-Kang He Feb 2023

Research On The Application Of Three-Step Hybrid Variable Selection Strategy In Chicken Moisture Detection By Near Infrared, Kai Yuan, Zhi-Yong Zhang, Qian Xi, Ying-Rui Wu, Dong-Sheng Guo, Guo-Kang He

Food and Machinery

Based on the three-step hybrid strategy of effective variable selection (rough selection, fine selection and optimal selection) in multivariate calibration of spectra, a feature variable selection method combining interval partial least squares (iPLS), interval variable iterative space shrinkage approach (iVISSA) and iteratively retaining informative variables (IRIV) was proposed to select the feature wavelengths of the near-infrared spectra of fresh chicken breast,and established a chicken moisture detection model. The number of modeled wavelengths was reduced by 0.76% after iPLS-iVISSA-IRIV, but the accuracy were stability of the model are gradually improved. The modeling results using the selected 8 characteristic wavelengths were as …

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Pitch Design And Simulation Analysis Of Variable Pitch Spiral Structure, Fei-Xiang Li, Xiang-Dong Zong, Yong-Xiang Li, Jun-Hui Fu Feb 2023

Pitch Design And Simulation Analysis Of Variable Pitch Spiral Structure, Fei-Xiang Li, Xiang-Dong Zong, Yong-Xiang Li, Jun-Hui Fu

Food and Machinery

A new design method of spiral structure with equal diameter and variable pitch is proposed to improve the spiral feeding accuracy of wheat flour. Solidworks software is used to establish a three-dimensional model and the wheat flour material is used for discrete element simulation to observe the feeding amount and feed opening of the spiral feed section. The stability of the flow rate is compared with the conventional equal-diameter variable pitch spiral structure. The tests shows that, compared with the existing equidistant spiral structure, the experimental design of the variable pitch spiral feed section is uniformly fed at the same …

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Improvement Of Electrification Of Hand-Made Cigar Machine, Jun-Yao Li, Zi-Xiang Huang, Jian Wang, Qun-Ling Guo, Rong Jian, Tao Chen, You-Zhi Shi Feb 2023

Improvement Of Electrification Of Hand-Made Cigar Machine, Jun-Yao Li, Zi-Xiang Huang, Jian Wang, Qun-Ling Guo, Rong Jian, Tao Chen, You-Zhi Shi

Food and Machinery

This paper improves the traditional cigar machine and configures endogenous mechanical power instead of manual. The SA / TDR63M4 geared motor is selected through theoretical calculation to make the electric cigar machine run steadily. The improved electric cigar machine reduces the labor intensity of staff, the average daily output efficiency can increase by 20.13%, the standard deviation of cigar resistance decreases from 109.816 kPa to 73.542 kPa, and the standard deviation of circumference decreases from 0.613 mm to 0.370 mm, indicating that the electric cigar machine can improve the output efficiency of round-head flat-tailed hand-made cigars and ensure the consistency …

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Research Progress On The Extraction Of Plant Polyphenols, Fu-Lin Tian, Wen-Jing Huang, Zhan Wang, Xian-Kui Qin, Wang-Yang Shen, Qiao-Yu Cai Feb 2023

Research Progress On The Extraction Of Plant Polyphenols, Fu-Lin Tian, Wen-Jing Huang, Zhan Wang, Xian-Kui Qin, Wang-Yang Shen, Qiao-Yu Cai

Food and Machinery

In this review, the non-mentioned extraction methods of plant polyphenol in the existing research are summarized, including subcritical extraction, low eutectic extraction, and pressurized extraction, etc. The principles, advantages and disadvantages of different extraction methods are deeply analyzed. Moreover, the development direction of plant polyphenol extraction is prospected.

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Research On Application Of Modified Atmosphere In Fresh-Keeping Technology Of Fruits And Vegetables In Cold Chain Logistics, Wei He Feb 2023

Research On Application Of Modified Atmosphere In Fresh-Keeping Technology Of Fruits And Vegetables In Cold Chain Logistics, Wei He

Food and Machinery

This study summarizes the application research of the modified atmosphere preservation technology of fruits and vegetables in cold chain logistics domestic and abroad, and summarizes the basic principles of modified atmosphere preservation technology and its application status of fruits and vegetables in cold chain logistics domestic and abroad. The trend of the application of modified atmosphere preservation technology for fruits and vegetables in cold chain logistics will help the healthy development of Chinese fruit and vegetable industry.

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Application Of Food In Functional Products From The Perspective Of Antioxidant Dietary Supplement, Yi Sa Feb 2023

Application Of Food In Functional Products From The Perspective Of Antioxidant Dietary Supplement, Yi Sa

Food and Machinery

Anti-oxidation is an effective process to inhibit the oxidation of free radicals. The human body produces anti-oxidation substances as well as free radicals. With the improvement of material life, people hope to satisfy their health needs by eating natural and healthy food. In this paper, through the analysis of the raw materials and the compatibility of the products, it is found that the food and the extract are widely used in the anti-oxidation functional food, and the anti-oxidation function of the raw materials and the anti-oxidation function of the dietary supplement have been developed, the general situation of the use …

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Effect Of L-Cysteine Hydrochloride On The Contents Of Four Toxic Aldehydes And Fluorescent Ages In Biscuits, Ting Weng, Jie Zheng, Cai-Huan Huang, Shi-Yi Ou Feb 2023

Effect Of L-Cysteine Hydrochloride On The Contents Of Four Toxic Aldehydes And Fluorescent Ages In Biscuits, Ting Weng, Jie Zheng, Cai-Huan Huang, Shi-Yi Ou

Food and Machinery

In the current study, different levels of L-cysteine hydrochloride (0.3, 0.6, 1.0, 1.5 g/kg) were incorporated in dough for the preparation of biscuits to investigate the effect of L-cysteine on the appearance and the content of four toxic aldehydes and fluorescent advanced glycation end products(AGEs) in biscuits. The results showed that the addition of L-cysteine hydrochloride brightened the color of the biscuits, and cause a slight decrease in pH values. The incorporation of L-cysteine hydrochloride significantly decreased the content of 5-hydroxymethyl furfural(HMF), 3-deoxyglucosone(3-DG), glyoxal(GO), methylglyoxal(MGO) and fluorescent AGEs in biscuits in a dose-dependent manner. The addition of L-cysteine at the …

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Preparation And Structural Characterization Of Zinc-Binding Antioxidant Peptides From Corbicula Fluminea Hydrolysate, Jing-Jing Liu, Yun-Tao Xu, Chen-Hui Zhu, Qian-Qian Huang, Yao-Ping Han, Xue-Feng Wang, Ran Zhang, Yang-Jun Dai Feb 2023

Preparation And Structural Characterization Of Zinc-Binding Antioxidant Peptides From Corbicula Fluminea Hydrolysate, Jing-Jing Liu, Yun-Tao Xu, Chen-Hui Zhu, Qian-Qian Huang, Yao-Ping Han, Xue-Feng Wang, Ran Zhang, Yang-Jun Dai

Food and Machinery

Using clam meat as protein source, the hydrolysate was obtained by enzymehydrolysis with neutral protease. Antioxidant peptides were then separated and purified from the enzymatich-ydrolysate of Corbicula flumineaby using glucose gel G-50. Zinc-binding antioxidant peptides were prepared according to optimal process. Qualitative analysis of chelate products was carried out byninhydrin method and sodium sulfide method. Ultraviolet spectra, Fourier infrared and fluorescent light spectra, X-radiation diffraction and scanning electron microscopy were applied to predict the structure of the chelate products. The results showed that the product powder is a kind of polypeptide zinc chelate. The carboxyl, amino and amide bonds of …

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