Extraction Process Optimization Of Saponin From The Leaves Of Camellia Nitidissima Chi And Its Inhibition Of Lipase Activity,
2023
South China Agricultural University, Guangzhou, Guangdong 510000 , China
Extraction Process Optimization Of Saponin From The Leaves Of Camellia Nitidissima Chi And Its Inhibition Of Lipase Activity, Chen Jia-Hui, Wu Xue-Hui
Food and Machinery
By using single factor experiment and response surface methods, the effects of ethanol volume fraction, solid-liquid ratio, extraction temperature and time on extracting saponin from the leaves of Camellia nitidissima Chi were discussed, and the inhibitory effect of the extracts on pancreatic lipase was also studied. The optimal extraction conditons for saponin from C. nitidissima Chi were determined as follows: 59% ethanol, 1∶39 (g/mL) as solid-liquid ratio, extracting at 60 ℃ for 124 min. The yield of saponin was 4.82% under the optimized conditions, closing to the predicted result. The research results indicated that the saponin extracted with the mass …
Development And Quality Evaluation Of Compound Rice Noodles Based On Traditional Recipe For Strengthening Spleen Diet,
2023
Department of Food and Drug Engineering, School of Pharmacy, Hunan University of Traditional ChineseMedicine, Changsha, Hunan 410208 , China ；Institute of Food and Nutraceutical Science, School of Agricultureand Biology, Shanghai Jiaotong University, Shanghai 200240 , China
Development And Quality Evaluation Of Compound Rice Noodles Based On Traditional Recipe For Strengthening Spleen Diet, Zhang Jin-Yao, Tan Wen-Gen, Fan Yu-Bing, Zheng Tao, Zeng Yi-Qiong, Zheng Hui, Yang Yong
Food and Machinery
In order to improve the nutrition and health quality of traditional rice noodles, a special compound rice noodles was developed, using traditional rice noodles technology based on traditional recipe for strengthening spleen diet "Yang chun bai xue cake". In this study, the influence of the amount of single accessories for the recipe (poria cocos, yam, lotus seed, euryales semen) on the quality of rice noodles was used to determine the composition ratio of compound accessories. The amount of compound accessories, xanthan gum and water in the compound rice noodle formula was optimized, and the texture characteristics, product aging degree and …
Optimizing Conditions Of Producing Bacteriocin By Lactobacillus Plantarum M1-Ntg300,
2023
College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319 , China
Optimizing Conditions Of Producing Bacteriocin By Lactobacillus Plantarum M1-Ntg300, An Yu, Wang Ying, Yi Hua-Xi, Zhang Dong-Jie
Food and Machinery
Taking the potency of phytolactin as a characteristic index, the culture conditions for bacteriocin production by Lactobacillus plantarum M1-NTG300 were optimized. Through response surface analysis combined with actual values, the optimal components of the culture medium were determined to include 3.5% glucose concentration, 3.5% peptone, 0.35% Tween 80, and 0.20% magnesium chloride. Under the control of these culture conditions, The titer of bacteriocin, produced by L. plantarum M1-NTG300 was 1 269.4 IU/mL, which was increased by 19.8%.
Effect Of Salt Amount On The Quality Of Chimonobambusa Quadrangularis Shoots Dried By Salt Boiling,
2023
College of Biology and Agriculture, Zunyi Normal College, Zunyi, Guizhou 563006 , China
Effect Of Salt Amount On The Quality Of Chimonobambusa Quadrangularis Shoots Dried By Salt Boiling, Lv Chao-Yan, Gao Zhi-Xi, Liu De-Fen, Jiang Qi, Wang Mi, Ma Yun-Fei, Cai Chun
Food and Machinery
Different amounts of salt (10%, 15%, 20%, 25%, and 30%) were set to cook Chimonobambusa quadrangularis shoots. The effects of salt amount on total sugar, reducing sugar, soluble protein, free amino acid, NaCl, nitrite, as well as moisture content, rehydration ratio, color, sensory score, were studied. The results showed that the water content decreases with the increase of boiling time, showing the salt amount dependent. The rehydration rate increased with the rehydration time, and when it basically stops increasing, the rehydration ratio was 10%＞15%＞20%＞30%＞25% in descending order. The total sugar, reducing sugar, soluble protein, and free amino acid content all …
Optimization Of Aluminum-Free Process For Sweet Potato Powder Producing,
2023
Guizhou Institute of Integrated Agricultural Development, Guiyang, Guizhou 550009 , China
Optimization Of Aluminum-Free Process For Sweet Potato Powder Producing, Shi Bin, Li Yong-Fu, Long Ming-Xiu, He Yang-Bo, Tian Zhu-Xi, Liang Qian
Food and Machinery
The sweet potato starch was modified by isoamylase, and the natural polysaccharide was used instead of alum as additive to study the process of making sweet potato powder without alum. Moreover, several key factors including water quantity, heating temperature, polysaccharide addition amount and aging time were optimized. The effects of different conditions on the properties of sweet potato starch were examined by using gelatinization characteristic value, gel properties, cooking properties, shear force, breaking rate and tensile force of sweet potato starch as indexes. The results showed that isoamylase could increase amylose content and enhance starch gel properties, and guar gum …
Effects Expansion Process On Tobacco Quality,
2023
China Tobacco Hebei Industrial Co., Ltd., Shijiazhuang, Hebei 050000 , China
Effects Expansion Process On Tobacco Quality, Chong Li-Min, Lu Yuan, Jiang Guang
Food and Machinery
To analyze the chemical composition and aroma composition of tobacco before and after expansion in order to develop a carbon dioxide expansion process for producing high-quality tobacco. The influence of different carbon expansion technology conditions on the physical processing quality and sensory quality of expanded tobacco was determined and the trend of change was determined by the single factor test method. After different temperature of carbon dioxide expansion, HT treatment and drying, the variation trend of tobacco aroma composition and sensory quality were basically the same, but the variation trend of tobacco aroma composition and sensory quality decreased more obviously …
Recent Advances In Microbial Pectinase,
2023
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023 , China
Recent Advances In Microbial Pectinase, Yang Tong-Xiang, Wu Kong-Yang, Bai Yun-Fei, Chen Jun-Liang, Wan Su-Yan, Yang Ru-Meng
Food and Machinery
This review covered the advances in the screening of microbial pectinase, breeding technology, some factors affecting pectinase production, enzymatic properties, immobilization, and the development prospects of microbial pectinase were outlined.
Analytical Methods Of Glucosinolate And Its Application In Relative Research In Brassica Oleracea,
2023
Institute for Agri-Food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403 , China
Analytical Methods Of Glucosinolate And Its Application In Relative Research In Brassica Oleracea, E Heng-Chao, Zhao Xiao-Yan, Zhang Yan-Mei, Zhou Chang-Yan
Food and Machinery
This study reviews the research advancements of analytical methods with glucosinolates and its application in Brassica oleracea, with a view to providing reference for breeding, nutrition evaluation, and development in B. oleracea.
Application Of Image Recognition Technology In Food Packaging Defect Monitoring,
2023
Jilin Province Economic Management Cadre College, Changchun, Jilin 130012 , China
Application Of Image Recognition Technology In Food Packaging Defect Monitoring, Zhang Hong-Yan, Wang Yong-Zhi, Liu Qing-Hong
Food and Machinery
The applications of image technology in defect monitoring of three packaging forms of foam plastic packaging, aluminum-plastic blister packaging and rectangular paper packaging were described, and The application trend in food packaging defect monitoring is pre-judgment, which helps the development of China's food packaging industry.
Progress In Preparation And Application Of Double Emulsion,
2023
College of Food Science South China Agricultural University, Guangzhou, Guangdong 510642 , China
Progress In Preparation And Application Of Double Emulsion, Wen-Hua Xu, Jia Zhang, Zi-Han Wang, Zhuo Jiang, Sheng-Quan Huan, Xian Wu
Food and Machinery
In this study, the latest research results of droplet microfluidics, membrane emulsification, and coaxial electrospray preparation of double emulsion are introduced, and their advantages and disadvantages are compared and analyzed. The limitation of microfluidic prepared double emulsion industrialization and its related research was pointed out. The latest research results of double emulsion in the fields of food, cosmetics, and biomedicine were reviewed, and the advantages and prospects of double emulsion applications prospected.
The Public Opinion Monitoring, Network Attention And Forecasting The Reference Values Of The Labeled Food Nutrition,
2023
Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs, Beijing 100081 , China
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 …
Market Development Status Of Chinese Prepared Food Under The Globalized Epidemic Trends,
2023
School of Business Administration, South China University of Technology, Guangzhou,Guangdong 510641 , China
Market Development Status Of Chinese Prepared Food Under The Globalized Epidemic Trends, Pei-Bei Wei, Sui-Jian Qi
Food and Machinery
The epidemic situation of new coronavirus infection has become globalized and seemed to be long-term existence, and its prevention and control will become normal. Under the comprehensive situation of resumption of work and production, reopening of school, the intake of sufficient nutrients and the improvement of immunity are personal primary protection against viruses. Prepared foods can be a convenient way to provide dietary nutritious food. Here, we discuss the current situation of the market development of prepared foods in China from the perspective of the human nutrition demand and the convenient supply of dietary nutrients under the long-term trend of …
Differential Proteomics Analysis Of Egg Whites At Different Spray Drying Inlet Temperatures,
2023
College of Food and Bioengineering, Henan University of Science and Technology,Luoyang, Henan 471023 , China ；National Experimental Teaching DemonstrationCenter for Food Processing and Security, Luoyang, Henan 471023 , China
Differential Proteomics Analysis Of Egg Whites At Different Spray Drying Inlet Temperatures, Li-Li Liu, Sheng-Juan Shi, Ke Chen, Meng-Jun Zhang, Wei-Ming Hao, Yuan-Yuan Li
Food and Machinery
The purpose of this study was to investigate the protein expression of egg white protein at different inlet temperatures of spray drying (140,160,180 ℃). ITRAQ technology was used to identify and bioinformatics egg white proteins, and to investigate the distribution, function and mechanism of different proteins in egg white powder during different drying processes. The results showed that, compared with the control group at 140 ℃, 41 and 46 different proteins were identified at 160 ℃ and 180 ℃ respectively during the spray drying process of egg white (Fold change ＞1.2, P＜0.05). GO function annotation analyzed the biological processes that …
Effect Of Withering Time On Biochemical Components And Volatile Of Tea Leaves From Danxia 8,
2023
Tea Plant Institute, Guangdong Academy of Agricultural Science, Guangzhou, Guangdong 510640 , China ；Guangdong Provincial Key Laboratory of Tea Plant Resources Innovation & Utilization, Guangzhou, Guangdong 510640 , China
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 …
Effects Of Different Soybean Powder On Farinograph And Gelatinization Characteristics Of Wheat Flour,
2023
Agronomy Inner Department of Hetao College, Bayannur, Inner Mongolia 015000 , China
Effects Of Different Soybean Powder On Farinograph And Gelatinization Characteristics Of Wheat Flour, Jing-Hong Shi, Shu-Wen Guo, Yun-Ling Li, Xiao-Bing Zhu
Food and Machinery
The soybean powder and wheat powder were mixed in different proportions, and the effect of different soybean powder on the farinograph and gelatinization characteristics of wheat powder were analyzed using Mixolab hybrid experiment instrument and rapid viscosity analyzer. The result showed that as the amount of soybean powder added increased, the stabilization time and formation time of the dough reduced, the weakening degree of dough protein increased, and peak viscosity, the trough viscosity, final viscosity, and regenerative value continued to decrease. The C2 value, peak viscosity, trough viscosity, final viscosity, gelatinization temperature and gelatinization time were significantly negatively correlated(P＜0.05) with …
Whole Genome Analysis And Molecular Traceability Study Of Salmonella In Fresh Livestock And Poultry Meat,
2023
Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha, Hunan 410117 ,China ；Hunan Institute of Food Quality Supervision Inspection and Research, Changsha, Hunan 410117 , China
Whole Genome Analysis And Molecular Traceability Study Of Salmonella In Fresh Livestock And Poultry Meat, Sheng Song, Han Gao, Li Yan, Kun-Peng Guo, Hai-Yun Zhang, Fang-Bin Wang
Food and Machinery
In order to investigate the contamination status of Sal-monella in fresh pork and fresh chicken, and research its whole genome characteristics and molecular traceability, the laboratory randomly collected 24 fresh pork and 27 fresh chicken from the fresh market in Changsha, were inspected according to “National Food Safety Standard Food microbiological examination: Salmonella” GB 4789.4—2016. The results showed that in 24 randomly selected fresh pork, 20 samples were detected, with the detection rate of 83.3%; in 27 randomly selected fresh chicken, 20 samples were detected, and the detected rate is 74.1%; the total detection rate was 78.4%. The results …
Determination Of Vancomycin Antibiotics Residues In Animal Derived Food By Solid Phase Extraction And High Performance Liquid Chromatography-Tandem Mass Spectrometry,
2023
Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075 , China ；Hubei ProvincialEngineering and Technology Research Center for Food Quality and Safety Test, Wuhan, Hubei 430075 , China
Determination Of Vancomycin Antibiotics Residues In Animal Derived Food By Solid Phase Extraction And High Performance Liquid Chromatography-Tandem Mass Spectrometry, Jin Lin, Xiao-Long Fan, Feng Jiang, Qing-Zhi Peng, Tao-Hong Zhou
Food and Machinery
A accurate and quantitative method was developed for the determination of vancomycin antibiotics residues in animal food by high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). The samples were extracted by formic acid acetonitrile solution, degreased by acetonitrile-saturated n-hexane, purified by cation solid-phase extraction column, detected in the multi reaction monitoring (MRM) positive ion mode, and quantified by internal standard method using didechloro vancomycin as internal standard. The results showed that the target of vancomycin and norvancomycin had a good linear relationship in the range of 20~200 μg/L, and the correlation coefficient (R2) could reach more than 0.997. The …
Research On The Application Of Three-Step Hybrid Variable Selection Strategy In Chicken Moisture Detection By Near Infrared,
2023
College of Engineering, Shanxi Agricultural University, Taigu, Shanxi 030801 , China
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 …
Study On The Standardized Method Of Key Supervision Data For Safe Production Of Instant Rice,
2023
College of Food Science and Engineering, Central South University of Forestry and Technology,Changsha, Hunan 410004 , China ；National Engineering Laboratory for Rice and By-productDeep Processing, Changsha, Hunan 410004 , China
Study On The Standardized Method Of Key Supervision Data For Safe Production Of Instant Rice, Xiao-Juan Wu, Dong Xu, Jie Dong, Wei Wu
Food and Machinery
The entire industrial chain of instant rice production, including paddy planting, paddy storage, rice processing, instant rice processing, instant rice storage and sales, etc., was analyzed to select the main links and critical control points. The detection objects, main indicators and main hazard factors, such as pollutants, mycotoxins, food additives, microbiological indicators, etc., of important links and critical control points were determined. A relatively complete key supervision database structure for the safe production of instant rice has been gradually formed. The key supervision database for the safe production of instant rice included regulation sets, method sets and data sets. The …
Simultaneous Determination Of 8 Adipate Plasticizers In Infant Formula By Isotope Dilution-Gas Chromatography-Mass Spectrometry,
2023
Fujian Inspection and Research Institute for Product Quality, Fuzhou, Fujian 350002 , China ；National Quality Supervision and Testing Center for Processed Food, Fuzhou, Fujian 350002 , China
Simultaneous Determination Of 8 Adipate Plasticizers In Infant Formula By Isotope Dilution-Gas Chromatography-Mass Spectrometry, Yong-Hui Huang
Food and Machinery
A method was developed for the simultaneous determination of 8 adipate plasticizers in infant formula by isotope dilution-gas chromatography-mass spectrometry (GC-MS). With the infant formula sample completely dissolved in water, n-hexane was used as the extraction solvent. After ultrasonic extraction, qualitative and quantitative analysis were carried out by GC-MS in selected ion monitoring modes. The correlation coefficients (R2) of 8 adipate plasticizers were over 0.999, The limits of detection (LODs) were 0.08~0.12 mg/kg and the limits of quantification(LODs) were 0.2~0.4 mg/kg. The average recoveries of 8 adipate plasticizers in milk powder were ranged from 94.8% to 103.3%. In …
