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Articles 781 - 810 of 1588
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Survey Results And Analysis Of Food Education Of Urban Middle School Students In Cities, Wang Qiu-Yun
Survey Results And Analysis Of Food Education Of Urban Middle School Students In Cities, Wang Qiu-Yun
Food and Machinery
In order to understand the awareness of urban adolescents on healthy diet, nutrition knowledge, traditional food culture, and food safety, a food education survey was carried out in the Middle School Affiliated to the National University of Defense Technology of the Chinese People's Liberation Army. Based on 1 088 middle and high school students, the questionnaire was designed from four dimensions: food nutrition cognition, correct eating habit cultivation and safety knowledge, traditional diet and etiquette inheritance, food education knowledge cognition and attitude. The results show that urban Middle school students have a high degree of awareness of food nutrition knowledge, …
Conception, Experience And Enlightenment Of Japan’S Basic Law Of Food Education, Yang Jin-Yu, Li Xu, Zhao Ming-Yang
Conception, Experience And Enlightenment Of Japan’S Basic Law Of Food Education, Yang Jin-Yu, Li Xu, Zhao Ming-Yang
Food and Machinery
The research focuses on the conception and experience of the Basic Law of Food Education in Japan, analyzes its conception, and draws the experience of the implementation of "food education" in Japan: Focusing on giving justice and responsibility by means of law; Building a multi-subject cooperation system under the leadership of the government; Implementing an all-round "food education" promotion path and emphasizing the dynamic nature of the "food education promotion basic plan" are the practical experience of "food education" of the law. In order to give play to the educational value of "food breeding" in improving the diet of Chinese …
Research Progress On Properties, Industrial Production Of Reduced Glutathione And Its Application In Big Health Industry, Cai You-Hua, Wu Zi-Hao, Huang Xiao-Chen, Lin Yu-Kuan, Zheng Ming-Ying
Research Progress On Properties, Industrial Production Of Reduced Glutathione And Its Application In Big Health Industry, Cai You-Hua, Wu Zi-Hao, Huang Xiao-Chen, Lin Yu-Kuan, Zheng Ming-Ying
Food and Machinery
The structural characteristics and physiological activities of reduced glutathione (GSH), as well as its metabolic pathways in vivo were reviewed, and the research progress in preparation, extraction, purification, application and industrial production of GSH were summarized. Moreover, the future research directions in functional activity, industrial production and product application of GSH were prospected.
Study On Nutrition Labeling Optimization Based On Augmented Reality, Huang Ze-Ying, Li Hai-Jun
Study On Nutrition Labeling Optimization Based On Augmented Reality, Huang Ze-Ying, Li Hai-Jun
Food and Machinery
To optimize nutrition labeling in China, this paper tried to overlay virtual information on original information from the nutrition information table by using augmented reality (AR), and then added three new guidance functions of nutrition labeling knowledge popularization, nutritional content auxiliary calculation and precise nutrition guidance through database construction, 3D modeling building and mobile phone application making. For the implementation of AR nutrition labeling, some suggestions were put forward, such as the establishment of national nutrition health database, the forecast of the implementation effect of the labeling and the operation mechanism design.
Phenolic Compounds Profile And Antioxidant Activities Of Different Fractions Of Tartary Buckwheat, Chen Yue, Zhu Yong, Qin Li-Kang
Phenolic Compounds Profile And Antioxidant Activities Of Different Fractions Of Tartary Buckwheat, Chen Yue, Zhu Yong, Qin Li-Kang
Food and Machinery
Objective: This study aimed to investigate the phenolic compounds profile and antioxidant activities of different fractions of Tartary buckwheat. Methods: Tartary buckwheat was ground and sieved into shell, bran and powder. Phenolic compounds in tartary buckwheat were extracted with 70% ethanol, and phenolic compounds composition and antioxidant activity of the extract were analyzed. Results: In Tartary buckwheat bran, the total phenolics and flavonoids were (3 042±31) mg GAE/100 g·DW and (5 290±233) mg RE/100 g·DW, accounting for 60.8%, 67.7% of the total Tartary buckwheat, respectively. Rutin was the dominant phenolic compounds in bran extract, and the content …
Antioxidant And Α-Amylase Inhibitory Activities And Starch Hydrolysis Kinetics Of Kidney Bean By Simulating Digestion In Vitro, Shi Juan, Bao Hong-Hui, Zhang Pei, Zhang Ti-Pei, Zhou Rui
Antioxidant And Α-Amylase Inhibitory Activities And Starch Hydrolysis Kinetics Of Kidney Bean By Simulating Digestion In Vitro, Shi Juan, Bao Hong-Hui, Zhang Pei, Zhang Ti-Pei, Zhou Rui
Food and Machinery
Objective: To evaluate the physiological effects of whole kidney been food and develop functional resources of different color kidney beans. Methods: The contents of total polyphenols, flavonoids and acid polysaccharides, and antioxidant and α-amylase inhibitory activities of digestive solution and starch hydrolysis kinetics and glucose diffusion properties of three kidney bean were investigated through in vitro simulated gastrointestinal digestion. Results: The contents of total polyphenols, flavonoids and acid polysaccharides, and antioxidant and α-amylase inhibitory activities were black kidney bean＞red kidney bean＞white kidney bean (P＜0.05). The kinetic rate of first order reaction of starch hydrolysis, rapidly digestible starch …
Analysis And Comprehensive Evaluation Of Amino Acid Composition Of Coreopsis Tinctoria From Different Habitats, Lu Qing-Yao, Zhou Min, Zhou Hui-Ling, Jiao Shi-Rong
Analysis And Comprehensive Evaluation Of Amino Acid Composition Of Coreopsis Tinctoria From Different Habitats, Lu Qing-Yao, Zhou Min, Zhou Hui-Ling, Jiao Shi-Rong
Food and Machinery
Objective: This study focuses on in-depth research and development of the utilization of Coreopsis tinctoria resources. Methods: The Coreopsis samples from Hetian, Urumqi, Aba, Luding and Xining were hydrolyzed with hydrochloric acid, and the contents of 17 kinds of amino acids were determined by automatic amino acid analyzer. On this basis, the characteristics of amino acid flavor were analyzed and compared with the amino acid pattern spectrum issued by FAO/WHO. RAA, RC and SRC were calculated, and correlation analysis and cluster analysis were performed on 17 kinds of amino acids of chrysanthemum. Thereafter, the nutritional value of Coreopsis …
Effects Of Lotus Leaf Powder On Physicochemical Properties Of Flour And Crisp Biscuits, Wang Feng-Lei
Effects Of Lotus Leaf Powder On Physicochemical Properties Of Flour And Crisp Biscuits, Wang Feng-Lei
Food and Machinery
Objective: The effects of lotus leaf coarse powder and lotus leaf superfine powder on the physical and chemical indexes of flour and its application in crisp biscuits were studied in this paper, and explored the suitable amount of lotus leaf coarse powder and lotus leaf superfine powder added in crisp biscuits. Methods: Farinograph, extensograph, wet gluten tester, and falling number tester were used to determine the effects of lotus leaf powder on the physical and chemical indexes of flour. The hardness of the dough and the shear force of the crisp biscuit were measured by the texture analyzer, …
Correlation Analysis Of Taste Intensity Of Tea Flavor Attribute Reference Based On Electronic Tongue And Artificial Senses, Liu Zhong-Ying, Ran Qian-Song, Zhang Tuo, Zheng Wen-Jia, Pan Ke
Correlation Analysis Of Taste Intensity Of Tea Flavor Attribute Reference Based On Electronic Tongue And Artificial Senses, Liu Zhong-Ying, Ran Qian-Song, Zhang Tuo, Zheng Wen-Jia, Pan Ke
Food and Machinery
Objective: This study aimed to explore the correlation between electronic tongue and artificial senses on the taste intensity of tea taste attribute reference. Methods: Quinine, alum, sodium glutamate, sucrose and citric acid were used as the reference materials for bitter, astringent, fresh, sweet and sour taste attributes in turn. Based on the perception threshold, the relationship between concentration and taste intensity of each reference material for electronic tongue and artificial senses and its correlation were analyzed. Results: The bitterness perception threshold of quinine was 0.015 mg/mL, and the corresponding electronic tongue response value was 4.91. The detection …
Flavor Analysis Of Passion Beer Based On Gc-Ims Technology, Gong Xiao, Chen Ting-Hui, Hu Xiao-Jun, Fan Wei-Wei, Li Ya-Jun, Zhao Xin-Qiang
Flavor Analysis Of Passion Beer Based On Gc-Ims Technology, Gong Xiao, Chen Ting-Hui, Hu Xiao-Jun, Fan Wei-Wei, Li Ya-Jun, Zhao Xin-Qiang
Food and Machinery
Objective: This study aimed to fully develop and utilize the resources of passion fruits. Methods: The volatile flavor compounds at different brewing stages were analyzed by GC-IMS technology. Results: A total of 63 kinds of flavor compounds were identified, including 26 kinds of esters, 10 kinds of alcohols, 9 kinds of aldehydes, 7 kinds of ketones, 6 kinds of alkanes, 2 kinds of acids, 2 kinds of furans and 1 kinds of ether. Principal components analysis (PCA) showed that the cumulative difference contribution rate of the first two principal components (PC1 and PC2) was 81.2%, indicating that …
Research On Mill Distance Monitoring System Based On Machine Vision, Lu Shao-Jie, Wu Wen-Bin, Zhang Wen-Long, Hou Ning-Pei, Liu Pei-Kang, Zhao Qi-Feng
Research On Mill Distance Monitoring System Based On Machine Vision, Lu Shao-Jie, Wu Wen-Bin, Zhang Wen-Long, Hou Ning-Pei, Liu Pei-Kang, Zhao Qi-Feng
Food and Machinery
Objective: Real-time monitoring of the grinding roller distance of the pulverizer. Methods: CCD industrial camera was used to collect the rolling distance image, threshold segmentation and morphology were used to preprocess the gray image, and then the edge detection algorithm combined with MATLAB software and mathematical operation were used to eliminate the irrelevant edge points, and finally the rolling distance of the mill was calculated. The feasibility and veracity of the system were verified by comparing the value of gauge and the value of system monitoring. Results: The data fluctuation range of the online monitoring system was …
Detection Of Defective Shrimp And Optimization For Key Parameters In Multi-Channel Automatic Elimination System, Zeng Ling-Xiao, Liu Zi-Hao, Yan Zhi-Peng, Zhao Kun, Liu Hao
Detection Of Defective Shrimp And Optimization For Key Parameters In Multi-Channel Automatic Elimination System, Zeng Ling-Xiao, Liu Zi-Hao, Yan Zhi-Peng, Zhao Kun, Liu Hao
Food and Machinery
Objective: When inspecting the appearance and quality of Litopenaeus Vannamei, the system can realize the automatic elimination of defective shrimps efficiently. Methods: Constructed an automatic shrimp elimination equipment and quality inspection. Structured an algorithm to extract shrimps’ morphological feature, complete the clarification of normal and defective shrimps. Realizing defective shrimps’ elimination by blowing them from the side to middle. Through the analysis of internal stress of shrimp, we calculated the correlation between blowing volume and moving distance. Moreover, the relationships among gass output volume, shrimps’ moving distance and speed had been optimized. Results: With the increasing of …
An Improved Automatic Detection Model For Egg Defection Based On Yolov5, Yao Xue-Feng, Li Chao
An Improved Automatic Detection Model For Egg Defection Based On Yolov5, Yao Xue-Feng, Li Chao
Food and Machinery
Objective: To solve the problems of low detection efficiency and poor accuracy of existing automatic detection methods for egg defect images. Methods: Based on the egg detection system, an improved YOLOv5 automatic detection model was proposed. Added the lightweight network MobileNetv3 to YOLOv5 model to reduce the complexity of the model, and deleted the neck network and small target detection at the output end. Results: Compared with the traditional control method, this method can detect the surface defects of egg targets more accurately and efficiently, with the complexity of more than 35% reducing, the detection time of …
Analysis Of Protein Extraction And Antioxidant Activity Of Enzymatic Hydrolysates From Scallop Processing By-Products, Guo Yu, Wen Shi-Yu, Ni Ce, Ou Xiao-Hui, Qu Ting-Min, Wu Ying, He Shu-Wen, Li Hong-Hui, Cui Bo, Cheng Yun-Hui, Wen Li
Analysis Of Protein Extraction And Antioxidant Activity Of Enzymatic Hydrolysates From Scallop Processing By-Products, Guo Yu, Wen Shi-Yu, Ni Ce, Ou Xiao-Hui, Qu Ting-Min, Wu Ying, He Shu-Wen, Li Hong-Hui, Cui Bo, Cheng Yun-Hui, Wen Li
Food and Machinery
Objective: This study aimed to improve the utilization value of scallop processing by-products, by analyzing the antioxidant activity of its protein hydrolysates. Methods: The processing by-products of Argopecten irradians were used as raw materials, and the proteins were extracted by alkali extraction and acid precipitation, alkali extraction and ammonium sulfate precipitation and low temperature ethanol denaturation precipitation. Then the proteins were analyzed by SDS-PAGE. Pepsin, flavourzyme, dispase and alcalase were used to hydrolyze the protein, and the antioxidant activities of the hydrolysate products were analyzed. The molecular weight distribution, amino acid composition and hydroxyproline content of dispase hydrolysates …
Research Progress On New Extraction Technologies And Bioactivities Of Flavonoids From Orange, Liu Dan, Guo Huan, Wu Di, Gan Ren-You
Research Progress On New Extraction Technologies And Bioactivities Of Flavonoids From Orange, Liu Dan, Guo Huan, Wu Di, Gan Ren-You
Food and Machinery
The new extraction technologies of citrus flavonoids in recent five years were reviewed, including low eutectic solvent extraction, subcritical fluid extraction and magnetic molecular blot selective extraction.the bioactivities and mechanisms of citrus flavonoids, such as antioxidant, anti-inflammatory, antibacterial, anti-obesity, anti-diabetes, anti-cancer, intestinal protection, cardiovascular protection, liver protection and neuroprotection, were also expounded, and suggestions for further study of citrus flavonoids were proposed.
Research Progress Of Mushroom Sauce, Chen Jing, Tang Hao-Guo, Wang Jia-Kang, Yang Tong-Xiang, Ma Li-Ping
Research Progress Of Mushroom Sauce, Chen Jing, Tang Hao-Guo, Wang Jia-Kang, Yang Tong-Xiang, Ma Li-Ping
Food and Machinery
This review summarized the research achievements of mushroom sauce in recent years, from the aspects of raw and auxiliary materials selection, formula, and process research, analysis and testing, existing problems, and prospected the raw material quality and nutrition safety detection.
Research Progress Of Plant-Based Meat Products, Dou Kang-Ning, Zhao Yong-Gan, Jin Shao-Ju, Li Chao-Min, Deng Tong-Xing, Zhao Zhi-Jun
Research Progress Of Plant-Based Meat Products, Dou Kang-Ning, Zhao Yong-Gan, Jin Shao-Ju, Li Chao-Min, Deng Tong-Xing, Zhao Zhi-Jun
Food and Machinery
The concept, raw materials, technology, texture, sensory, nutrition, market, patent and safety of plant-based meat products were reviewed, and the achievements and shortcomings of the development of plant-based meat products were summarized. It is indicated that the next researching should be done from the protein types of raw materials, protein molecular modification, texturized protein production technology, genetic engineering technology transformation, etc.
Research Progress On The Sources And Detection Methods Of Determination Of Benzo-Α-Pyrene In Aquatic Products, Xia Hong, Liu Li, Peng Xi-Tian, Peng Li-Jun, Lin Chun
Research Progress On The Sources And Detection Methods Of Determination Of Benzo-Α-Pyrene In Aquatic Products, Xia Hong, Liu Li, Peng Xi-Tian, Peng Li-Jun, Lin Chun
Food and Machinery
This review summarized the source, properties, as well as the harm of benzo-α-pyrene exposure to aquatic products. The commonly used instrumental analysis methods for the detection of benzo-α-pyrene were also discussed, and the future research direction of benzo-α-pyrene detection was prospected.
Effects Of Typical Hot Processing On The Quality Of Chestnut, Zhou Kui, Li Ming-Juan, Zhang Ya-Yuan, Zhou Qing
Effects Of Typical Hot Processing On The Quality Of Chestnut, Zhou Kui, Li Ming-Juan, Zhang Ya-Yuan, Zhou Qing
Food and Machinery
Objective: This study aimed to explore the appropriate cooking method of chestnut. Methods: Nine kinds of thermal treatment on the quality of chestnut were compared. The thermal treatment included chestnut fruit (roasting, cooking without water under normal-pressure, cooking within water under normal-pressure, cooking without water under high-pressure, cooking within water under high-pressure) and chestnut kernel (cooking without water under normal-pressure, cooking within water under normal-pressure, cooking without water under high-pressure, cooking within water under high-pressure). Results: The content of starch and polyphenols in chestnut were decreased by the nine kinds of thermal treatment, while the amylose content …
Determination Of Iodine In Milk Powder By Combing Microwave Digestion With Inductively Coupled Plasma Mass Spectrometry, Zhu Jia-Jun, Li Liang, He Shuang, Chen Jing-Zhou
Determination Of Iodine In Milk Powder By Combing Microwave Digestion With Inductively Coupled Plasma Mass Spectrometry, Zhu Jia-Jun, Li Liang, He Shuang, Chen Jing-Zhou
Food and Machinery
Objective:This study aimed to establish an efficient and accurate method for the determination of total iodine in milk powder by microwave digestion combining with inductively coupled plasma mass spectrometry (ICP-MS). Methods:Firstly, 0.2 mL of precipitant and 5 mL of ultrapure water were added for mixing and standing, and then 5 mL of nitric acid was added for microwave digestion. After cooling, the volume was fixed to 35 mL with ultrapure water, and then 10 mL of ammonia, 1 mL of stabilizer and 50 μL of TritonX-100 were added in sequence, avoiding the iodine loss. Results:The detection …
Visualization Of Lamb Adulteration Based On Hyperspectral Imaging For Non-Destructive Quantitative Detection, Zhao Jing-Yuan, Zhang Jun-Qin, Sun Mei, Chen Xing-Hai, Liu Ye-Lin
Visualization Of Lamb Adulteration Based On Hyperspectral Imaging For Non-Destructive Quantitative Detection, Zhao Jing-Yuan, Zhang Jun-Qin, Sun Mei, Chen Xing-Hai, Liu Ye-Lin
Food and Machinery
Objective: This study aimed to establisha rapid and accurate prediction method of lamb adulteration by using visible/near-infrared (400~1 000 nm) and short-wave near-infrared (900~1 700 nm) hyperspectral imaging techniques.Methods: The data acquisition of lamb adulterated with different proportions of duck meat using visible/near-infrared (400~1 000 nm) and short-wave near-infrared (900~1 700 nm) hyperspectral imagers was performed to compare the effect of partial least squares (PLS) modeling with different spectral preprocessing methods in the two band ranges. Then the normalized preprocessing method was selected in the visible-NIR band, and the standard normal variate transformation (SNV) preprocessing method was …
Analysis Of Pesticide Residues And Heavy Metal Pollution In Leek, Wang Xiali, Yan Jian, Zhang Li, Li Tao, Zhang Jihong
Analysis Of Pesticide Residues And Heavy Metal Pollution In Leek, Wang Xiali, Yan Jian, Zhang Li, Li Tao, Zhang Jihong
Food and Machinery
Objective:This study aimed to help with the scientific management of leek food safety in Hunan Province. Methods: 24 kinds of pesticides and 5 kinds of heavy metals in 690 leek samples from Hunan Province were detected. Results:① Pesticide residues were detected in 23.19% of the 690 samples, and the top three pesticides were determined to be carbendazim, procymidone and cypermethrin. The exceeding rate of pesticide residues was 5.80%, and the highest exceeding rate was 2.61% of procymidone. ② The detection rate of heavy metal elements was 77.68%, and the exceeding rate was 3.62%. The highest detection rate …
The Design Of 3d Icing Sugar Printer Based On Room Temperature Extrusion, Wang Qiaolan, You Xiaoping
The Design Of 3d Icing Sugar Printer Based On Room Temperature Extrusion, Wang Qiaolan, You Xiaoping
Food and Machinery
Objective:The paper aims to design a 3D icing sugar printer that meets the requirements of safety, hygiene, convenient operation, and stable structural performance. Methods:The 3D icing sugar printer includes the mechanical mechanism and control system. The mechanical structure adopts a gantry structure and reforms the food can. The control system adopts "Industrial PC + Motion control card" mode. Results:Fast food can replacement (＜ 30 s); fast printing speed (≥5 000 mm/min), adjustable speed; printing accuracy (＜1 mm); good strength, expansion rate and surface roughness of the printed objects. The image recognition and processing system with the self-light …
Effects Of Drying Methods On The Quality And Microstructure Of Armillaria Luteo-Virens, Meng Di, Dang Bin, Zhang Jie, Jie Xiaoxia, Gasongchenglin
Effects Of Drying Methods On The Quality And Microstructure Of Armillaria Luteo-Virens, Meng Di, Dang Bin, Zhang Jie, Jie Xiaoxia, Gasongchenglin
Food and Machinery
Objective:This study aimed to determine the most suitable drying method for Armillaria luteo-virens.Methods:The effects of solar drying, hot air drying, vacuum-freeze drying, vacuum drying and microwave-hot-air combined drying on the nutrition, functional components, color, rehydration ratio, shrinkage ratio, rehydration structure and microstructure of A. luteo-virens were compared.Results:The content of crude protein, crude polysaccharide and total flavonoids in vacuum-freeze drying group was the highest, and the content of total phenol was second highest and lower than the vacuum drying group. Its color difference was the smallest, with high rehydration ratio, and the shrinkage degree was …
Recent Studies On The Effect Of Ultrasonic Treatment On Food Allergens, Shu Erlian, Niu Bing, Chen Qin
Recent Studies On The Effect Of Ultrasonic Treatment On Food Allergens, Shu Erlian, Niu Bing, Chen Qin
Food and Machinery
Thisreview introduced the food allergens and their sensitization mechanism, and summarized the research progress of peanut, soybean, milk, shrimp, egg and kiwifruit allergens in ultrasound treatment. Moreover, the research direction of ultrasound treatment in reducing food sensitization was also prospected.
Interactions Between Food Polyphenols And Proteins And Their Effects On Protein Characteristics, Xu Mengting, Hao Yanbin, Qi Jianxun, Ding Baomiao, Chen Yonghao
Interactions Between Food Polyphenols And Proteins And Their Effects On Protein Characteristics, Xu Mengting, Hao Yanbin, Qi Jianxun, Ding Baomiao, Chen Yonghao
Food and Machinery
This paper summarizes the research progress on the types of interactions between proteins and polyphenols and their effects on protein characteristics, and prospects the future foods with the coexistence of polyphenols and proteins.
Research Status Of Modern Detection Technology In Automatic Liquor Picking Of Chinese Baijiu, Lin Hui, Zhang Suyi, Zhang Lian, Zhang Liqiang, Zheng Changning
Research Status Of Modern Detection Technology In Automatic Liquor Picking Of Chinese Baijiu, Lin Hui, Zhang Suyi, Zhang Lian, Zhang Liqiang, Zheng Changning
Food and Machinery
This paper mainly summarized the research status of relevant detection technology in automatic liquor picking since the industrial revolution in China, and prospected its research and application. At the same time, the related research results of influencing liquor quality were summarized.
Research Progress On Nutritional Characteristics And Biological Activity Of Bactrian Camel Milk, Zhang Min, Peng Xiaoyu, Gao Yu, Wang Jiaqi, Pan Lina
Research Progress On Nutritional Characteristics And Biological Activity Of Bactrian Camel Milk, Zhang Min, Peng Xiaoyu, Gao Yu, Wang Jiaqi, Pan Lina
Food and Machinery
In this paper, the composition of protein, amino acids, fatty acids, minerals, vitamins and other nutrients in bactrian camel milk was discussed, and the research progress of the biological activities of camel milk and its enzymolysis products such as hypoglycemic, antibacterial, antiviral and antioxidant activities was summarized.
Effects Of Nacl Stress And Cacl2 Supplemental On Phenolic Accumulation And Antioxidant Activity In Common Vetch Sprouts, Zhao Qi-Yan, Tang Ning, Zhao De-Chen, Zhang Bo-Ya, Cheng Yong-Qiang
Effects Of Nacl Stress And Cacl2 Supplemental On Phenolic Accumulation And Antioxidant Activity In Common Vetch Sprouts, Zhao Qi-Yan, Tang Ning, Zhao De-Chen, Zhang Bo-Ya, Cheng Yong-Qiang
Food and Machinery
Objective: The study aimed to develop the vegetable value of common vetch (CV) and explore the effects of salt solution on phenolic accumulation and antioxidant activity in CV sprouts.Methods: The effects of NaCl stress and supplemental CaCl2 on free and combined phenolic accumulation in CV sprouts were analysed by UPLC in comparison with pea sprouts, soybean sprouts and mung bean sprouts. The changes of key enzyme activities and gene relative expression levels of PAL, C4H and 4CL, antioxidant enzyme activities and antioxidant activities were investigated under NaCl and CaCl2 treatments.Results: The total phenolics increased from (10.63±0.40) mg GAE/g …
Determination Of Four Kinds Of Illegally-Added Artificial Sweeteners In Syrups By High Performance Liquid Chromatography, Zhong Fei-Fei, Lei De-Qing, Zhou Jin-Sha, Liu Bo, Wang Zi-Qing
Determination Of Four Kinds Of Illegally-Added Artificial Sweeteners In Syrups By High Performance Liquid Chromatography, Zhong Fei-Fei, Lei De-Qing, Zhou Jin-Sha, Liu Bo, Wang Zi-Qing
Food and Machinery
Objective: A high performance liquid chromatography method was established for determination of four artificial sweeteners in syrups, i.e., acesulfame, saccharin sodium, aspartame and advantame.Methods:Acetonitrile was used as mobile phase A, and 0.02 mol/L ammonium dihydrogen phosphate (pH value adjusted to 5.5 by triethylamine) was used as mobile phase B. The gradient elution was conducted, with flow rate at 1.0 mL/min,and the column temperature was at 35 ℃; the detection wavelength was 214 nm, and sample size was 10 μL was loaded on the was Shiseido AQ-C18 column (4.6 mm×250 mm, 5 μm) A total of 45 …