Changes Of Quality Characteristics And Antioxidant Capacities During Fruit Development Of Hardy Kiwifruit,
2023
Liaoning Agricultural Technical College, Yingkou, Liaoning 115009, China
Changes Of Quality Characteristics And Antioxidant Capacities During Fruit Development Of Hardy Kiwifruit, Zhang Liang-Ying, Liu Lin, Yu Li-Jie, Liu Qi, Qi Bian-Bin
Food and Machinery
Objective: This study aimed to provide theoretical basis for hardy kiwifruit quality improvement and rational utilization. Methods: Taking the main variety 'Longcheng No. 2' and line 'Haijia' as experimental materials, the changes of basic quality indexes, contents of total phenolics and flavonoids were analyzed during fruit development. On this basis, the antioxidant capacities were comprehensively evaluated by three assays (FRAP iron reducing ability, ABTS radical scavenging ability and DPPH radical scavenging ability). Furthermore, the differences of total phenolics and antioxidant capacities in different parts of fruit were compared. Results: ① The contents of soluble solids, titratable acids and Vc in …
Antioxidant And Hypoglycemic Activities Of Different Graded Fractions Of Polysaccharide From Goldenmelon,
2023
Institute of Crop Breeding and Cultivation, Shanghai Academy of Agriculture Sciences, Shanghai 201403, China;Agri-Food Storage and Processing Engineering Technology Research Center of Shanghai, Shanghai 201403, China
Antioxidant And Hypoglycemic Activities Of Different Graded Fractions Of Polysaccharide From Goldenmelon, Chen Bing-Jie, Qiao Yong-Jin, Wang Xiao, Wang Chun-Fang, Liu Gui-Ge
Food and Machinery
Objective: The study aimed to research the physicochemical properties, structure, antioxidant activity and hypoglycemic activity of different fractions of polysaccharide of goldenmelon. Methods: Four kinds of goldenmelon polysaccharides (CP-40, CP-60, CP-70, CP-80) were obtained by graded purification of water extraction and alcoholic precipitation. Their molecular weight, monosaccharide composition, group composition, antioxidant and hypoglycemic activities were investigated by high performance liquid chromatography and fourier transform infrared spectroscopy. Results: With the increase of ethanol volume fraction, the total sugar content increased and the glucuronic acid content decreased. The molecular weights of these four polysaccharides were different, which indicated by the same composition …
Effects Of Different Growth Patterns On Nutritional Quality Of Nostoc Commune,
2023
School of Biological Engineering and Food, Hubei University of Technology, Wuhan, Hubei 430068, China
Effects Of Different Growth Patterns On Nutritional Quality Of Nostoc Commune, Xie Jie-Fei, Wang Chao, Deng Zhong-Yang
Food and Machinery
Objective: Replacing wild resources with artificially cultivated Nostoc commune to protect the natural environment. Methods: Compare the biochemical composition, texture characteristics, and sensory evaluation of indoor, outdoor cultivation and wild N. commune, while using outdoor cultivation of Nostoc sphaeroides as a control in the above three aspects. Results: The ratio of dry weight to wet weight of wild N. commune was the largest （2.42%）, and its hardness and elasticity were the highest, which were 1.184 N and 78.5%, respectively. The content of phycoerythrin and polysaccharide of outdoor N. commune were the lowest, which were 0.19% and 24.45%, respectively. The …
Optimization Of Complex Enzymatic Extraction Process Of Steroidal Glycosides From Cynanchum Auriculatum Royle Ex Wight And Its Hepatoprotective Activity,
2023
College of Food Engineering, Harbin University of Commerce, Harbin, Heilongjiang 150076, China;Institute of Agro-product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China
Optimization Of Complex Enzymatic Extraction Process Of Steroidal Glycosides From Cynanchum Auriculatum Royle Ex Wight And Its Hepatoprotective Activity, Song Wan-Yu, Dai Jing, Feng Jin, Li Chun-Yang, Ma Yong-Qiang
Food and Machinery
Objective: Response surface methodology was used to optimize the extraction process of steroidal glycosides from Cynanchum auriculatum Royle ex Wight by complex enzymatic method, and its effects on alcohol dehydrogenase activity and human hepatoma cell HepG2 were analyzed. Methods: Four experimental factors; enzymolysis duration, temperature, compound enzyme dose and pH were used as responses to a single-factor experiment of the Response Surface Methodology on the steroidal glycoside yields, using perennial C. auriculatum as the target material. The alcohol-induced hepatocyte damage model of HepG2 was used to investigate the contents of ALT, LDH, and GSH and changes in cell shape. Results: …
Study On The Effects Of Adding Konjac Refined Flour On The Quality Of Fresh Wet Rice Noodle,
2023
Institute of Agricultural Products Processing, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Study On The Effects Of Adding Konjac Refined Flour On The Quality Of Fresh Wet Rice Noodle, Gong Xue, Xie Song-Feng, Xia Zeng-Run, Wang Ai-Xia, Tong Li-Tao
Food and Machinery
Objective: This study aimed to develop konjac rice noodles products with low glycemic index. Methods: The fresh wet rice noodles was made by adding 20%, 10% and 5% konjac refined flour into rice noodles, respectively. The effects of the addition of konjac refined flour on the texture, cooking performance, and sensory quality of rice noodles were studied by texture analyzer and rapid viscosity analyzer. The starch hydrolysis rate, digestion rate, and glycemic index of konjac rice noodles were studied by in vitro digestion model. Results: The cooking loss rate and turbidity of 5% konjac rice noodles were significantly reduced, and …
Optimization Of The Processing Parameters Of Shiitake （Lentinus Edodes） Crisps During Heat Pump Coupled With Instant Controlled Pressure Drop Puffing Drying Process,
2023
School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, Shandong 255000, China
Optimization Of The Processing Parameters Of Shiitake （Lentinus Edodes） Crisps During Heat Pump Coupled With Instant Controlled Pressure Drop Puffing Drying Process, Zhao Ya, Zhang Yue-Xiang, Xu Yan, Shi Qi-Long
Food and Machinery
Objective: The objective of this study was to develop high-quality non-fried whole shiitake (Lentinus edodes) crisps due to having high oil content of vacuum fried L. edodes crisps which inevitably pose health risks after long-term use. Methods: Based on uniform design, instant controlled pressure drop (DIC) was used to investigate the influences of moisture content after heat pump pre-drying, puffing temperature and vacuum drying temperature on the puffing degree, rehydration ratio, total color difference, hardness and crispness of L. edodes crisps. The polynomial regression model was established by using a weighted comprehensive score method, and it was optimized …
Preparation Of Ppi-Ta-Md Microcapsules By Pickering Emulsion Method And Its Effect On Oxidation Stability Of Pumpkin Seed Oil,
2023
China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei 430040, China
Preparation Of Ppi-Ta-Md Microcapsules By Pickering Emulsion Method And Its Effect On Oxidation Stability Of Pumpkin Seed Oil, Zhuang Hu, Yang Xiao-Fan, Liu Xin-Le, Lei Yu-Qing, Li Shu-Gang
Food and Machinery
Objective: This study aimed to improve the oxidation, exploitation, and utilization of pumpkin seed oil (PSO). Methods: Pea protein isolate (PPI) -Tannic acid (TA) stabilized Pickering emulsion with Maltodextrin (MD) was used as the filling material, and prepared pumpkin seed oil microcapsules by spray drying. Results: After spray drying the Pickering emulsion, the smooth surface of the medium shell structure of microcapsule powder can be obtained. By increasing TA concentration, microcapsules showed smaller particle size [(32.00±0.28) μm], lower moisture content [(1.970±0.043)%], and higher bulk density [（0.725±0.014) g/cm3]. The FFA release rate of pumpkin seed oil microcapsules with different …
Research Progress Of Polyphenols In Edible Plant Enzymes,
2023
Institute of Food Processing, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, Tibet 850000, China
Research Progress Of Polyphenols In Edible Plant Enzymes, Yin Xiao-Qing, Wen Hua-Ying, Zhang Yu-Hong, Bai Ting, Wang Shan-Shan
Food and Machinery
Polyphenol is one of the characteristic physical and chemical indexes of edible plant enzyme, which has the effects of anti-oxidation, reducing fat and anti-tumor. This paper reviews the composition of polyphenols in food plant enzyme products, the factors affecting the formation of polyphenols in food plant enzyme products, the health care effects of polyphenols, and the further research directions of polyphenols in edible plant enzymes are also prospected.
Research Progress In Nutritional Composition And Biological Function Of Grape Seed Extracts,
2023
School of Food Engineering, Shangqiu Polytecnic, Shangqiu, Henan 476000, China
Research Progress In Nutritional Composition And Biological Function Of Grape Seed Extracts, Zhou Xiang-Hui
Food and Machinery
Grape seed extracts, due to its strong antioxidant activity, is commonly used as a nutritional supplement or dietary supplement. It can be used to prevent metabolic diseases such as inflammation, tumors, and atherosclerosis. This article provides an overview of the nutritional composition and biological functions of grape seed extracts, summarizes the latest research findings on the bioactive ingredients in grape seed extracts in terms of antioxidant, anti-inflammatory, anti-tumor, antimicrobial, and anti-atherosclerosis effects, and discusses the shortcomings and future research directions in grape seed extracts research.
Advances In Non-Thermal Treatment Techniques To Control Yogurt Post-Acidification,
2023
School of Biotechnology of Food Science, Tianjin University of Commerce, Tianjin 300384, China
Advances In Non-Thermal Treatment Techniques To Control Yogurt Post-Acidification, Niu Yu-Qin, Wang Chen-Yuan, Zhao Pei, Li Shu-Sen, Liu Ju-Long, Sun Er-Na, Wu Zi-Jian
Food and Machinery
Post-acidification is one of the most important factors affecting the sensory quality, flavor characteristics and stability of yogurt during shelf-life. Non-thermal treatments are novel methods to control post-acidification, which can maintain the original nutritional properties and sensory quality of food to the maximum extent. In this paper, the mechanism of post-acidification of lactic acid bacteria was reviewed. The mechanism and recent research progress of non-heat treatment processes such as ultra-high pressure, ultrasound, pulsed electric field, CO2 treatment, irradiation were analyzed and provided theoretical guidance for the development and industrial application of non-heat acid control technology.
Effects Of Microbubbles Technology On The Thermal Stability And Quality Of Crystallized Honey,
2023
School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China;Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment Technology, Wuxi, Jiangsu 214122, China
Effects Of Microbubbles Technology On The Thermal Stability And Quality Of Crystallized Honey, Kuang Xinyi, Cui Zhengwei, Yu Fumin, Li Li
Food and Machinery
Objective： To obtain excellent sensory and shelf life of crystallized honey. Methods： The process parameters of microbubble crystallized honey were prepared by mechanical stirring on laboratory scale. The physical properties of crystallized honey were changed by filling microbubble, and its thermal stability and physical properties were investigated. Results： For 200 g honey the optimized aerated parameters were as follows: the speed of the mixer, 2 600 r/min; the inflatable bubble time, 5 min; and the inlet flow rate, 6 L/min. The thermal stability time of the current improved product at 35 ℃ was increased by 41.51%, and while the hardness …
Plasma Assisted Ultrasonic-Assisted Extraction Of Chitin From Crayfish Shell By Weak Acid And Weak Base Method,
2023
National Research and Development Center of Freshwater Fish Processing Technology, College of Life Science, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
Plasma Assisted Ultrasonic-Assisted Extraction Of Chitin From Crayfish Shell By Weak Acid And Weak Base Method, Ding Zijun, Li Jinlin, Fu Yingfei, Zhang Qiuxia, Mao Yiying, Wang Wei, Peng Bin, Tu Zongcai, Zhou Yan
Food and Machinery
Objective: To explore a green and efficient method for extracting chitin. Methods: The crayfish shells were crushed through three mesh sieves to obtain the raw material. Utilizing ultrasonic wave and citric acid and urea to remove calcium and protein from the sample, decolorize it with hydrogen peroxide, filter it, and then dry it to produce chitin products. The particle size of the chitin sample was analyzed by laser scattering particle size distribution analyzer. Infrared absorption characteristics were measured by an infrared spectrometer. Scanning electron microscopy was used to observe the apparent structure of the sample. Results: It was shown that …
Amino Acid Characteristics And Nutritional Evaluation Of Flammulina Filiformis Protoplast Hybrid Strains,
2023
Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China;Key Laboratory of Applied Fungi Resources and Utilization 〔South〕, Ministry of Agriculture, P. R. China, Shanghai 201403, China;National Engineering Research Center of Edible Fungi, Shanghai 201403, China;Shanghai Key Laboratory of Agriculture Genetics and Breeding, Shanghai 201403, China
Amino Acid Characteristics And Nutritional Evaluation Of Flammulina Filiformis Protoplast Hybrid Strains, Lu Huan, Liu Jianyu, Shang Xiaodong, Yang Hui, Wu Yansha, Wang Ruijuan
Food and Machinery
Objective: This study aimed to investigate the quality differences among different hybrid enoki mushrooms （Flammulina filiformis） strains and breed new strains with high quality. Methods: Two different protoplast monocytes of yellow enoki mushrooms Fv1923 were used as one of the parents to cross with 6 enoki mushrooms protoplasts （2 yellow and 4 white strains）, and a total of 12 yellow hybrid strains were obtained. Principal component analysis and cluster analysis were used to evaluate the free amino acids of 12 hybrid strains, and the flavor diversity of different protoplast hybrid strains was also evaluated. Results: The average contents …
Mechanism Of Interaction Between Composite Ga/Egcg And Heat-Denatured Whey Protein By Fluorescence Quenching,
2023
College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China;College of Agriculture and Biotechnology, Wenzhou Vocational College of Science and Technology, Wenzhou, Zhejiang 325006, China
Mechanism Of Interaction Between Composite Ga/Egcg And Heat-Denatured Whey Protein By Fluorescence Quenching, Lin Jinou, Cao Yanyun, Han Jianzhong
Food and Machinery
Objective: This study aimed to develop a new carrier system for food functional factors that can effectively regulate the release characteristics during processing, transportation, and storage. Methods: The interaction mechanism between gallic acid （GA） and epigallocatechin gallate （EGCG）, which were combined at different molar ratios （1∶0, 3∶1, 1∶1, 1∶3, 0∶1）, with heat-denatured whey protein isolate （HWPI） was investigated at various temperatures （298.2, 304.2, 310.2 K） using a fluorescence quenching method. Results: The results showed that compared with GA, EGCG had a stronger affinity for HWPI, and when they coexisted, they inhibited each other's binding to HWPI, resulting in decreased binding …
Synthesis Of Reduced Graphene Oxide-Gold Composite Nanomaterials With High Sers Activity And Application Of Ofloxacin Detection,
2023
School of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, China
Synthesis Of Reduced Graphene Oxide-Gold Composite Nanomaterials With High Sers Activity And Application Of Ofloxacin Detection, Cheng Xinlei, Yang Wuying, Du Juan
Food and Machinery
Objective: This study provided a new research direction for the detection of ofloxacin content. Methods: Using biomass reduction method to formulate a reduced graphene oxide-gold composite nanomaterials (rGO-AuNPs) , which had high surface enhanced Raman scattering (SERS) activity. The successful synthesis of rGO-AuNPs was demonstrated by ultraviolet visible spectroscopy, transmission electron microscopy and scanning electron microscopy, respectively. The Raman enhancement factor (EF) of rGO-AuNPs was measured and calculated. Based on the SERS hot spot effect and the specific binding ability of nucleic acid aptamer, ofloxacin content detection system was established, the detection conditions were optimized, the standard curve was established, …
Residue Analysis And Security Judgement Of Parathion-Methyl And Parathion Residues In Tea,
2023
College of Horticulture, Hunan Agricultural University, Changsha, Hunan 410128, China
Residue Analysis And Security Judgement Of Parathion-Methyl And Parathion Residues In Tea, Chen Yantong, Li Jie, Li Huan, Tan Jun
Food and Machinery
Objective： To detect the level of parathion-methyl and parathion residues in different types of tea by high pressure liquid chromatography coupled with matrix solid phase dispersion. Methods： Before determined by high pressure liquid chromatography （HPLC）, the tea samples were pretreated by matrix solid phase dispersion method grinding with neutral alumina as dispersant and eluting by ethyl acetate: n-hexane （8%）. Results： The results showed that this method was simple, rapid and accurate, with good linearity （0.999 6 for parathion-methyl and 0.999 5 for parathion）, low detection limits （0.015, 0.006 mg/kg, respectively） and high recoveries （90.67% and 86.67%, respectively）. Incidence of parathion-methyl …
A Method For On-Site And Rapid Detection Of Trace Cadmium In Rice Based On Colloidal Goldlateral Chromatography,
2023
School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230601, China
A Method For On-Site And Rapid Detection Of Trace Cadmium In Rice Based On Colloidal Goldlateral Chromatography, Wang Ranran, Yao Li, Yao Bangben, Chen Wei, Chen Zhaoran
Food and Machinery
Objective： A colloidal gold test strip method that can achieve on-site and rapid detection of cadmium elements in rice was established. Methods： Based on lateral immunochromatographic technology, the colloidal gold test strip was systematically optimized for a series of parameters that affect the detection performance. Results： The visual detection limit of cadmium in rice was reached at 10 ng/g with the colloidal gold test strip. In practical applications, the sample pretreatment process is simple, low concentration acid can be directly extracted and diluted for test strip detection. Conclusion: The colloidal gold test strip was suitable for on-site rapid screening ofcadmium …
A Trajectory Planning Method For Delta Sorting Robot In Tomato Production Line Based On Improved Gate Shaped Trajectory,
2023
Zhejiang Institute of Mechanical & Electrical Engineering, Hangzhou, Zhejiang 310053, China
A Trajectory Planning Method For Delta Sorting Robot In Tomato Production Line Based On Improved Gate Shaped Trajectory, Feng Yanfang, Wu Birui, Zhao Qian
Food and Machinery
Objective: To solve the problems of low efficiency and poor motion stability of DELTA robots in the tomato sorting process of existing tomato processing production lines. Methods: Based on the analysis of the DELTA robot sorting system, the optimized gate shaped trajectory of the cyclotron was used for DELTA robot trajectory planning. By replacing the right angle part of the gate shaped trajectory with a convolutional line, an optimization model with the goal of time optimization was established. The optimized parameters of the gate shaped trajectory were solved using an improved ant colony optimization algorithm. Analyzed its performance through experiments. …
Design And Experiment Of Light Angle Adjustable Device For Measuring Sugar Content Of Citrus By Near Infrared Spectroscopy,
2023
Hunan Commodity Evaluation Center, Changsha, Hunan 410004, China
Design And Experiment Of Light Angle Adjustable Device For Measuring Sugar Content Of Citrus By Near Infrared Spectroscopy, Zeng Xianming, Han Longbo, Wen Tao, Dai Xingyong
Food and Machinery
Objective: To solve the problem of insufficient spectral information obtained by the fixed illumination angle of the near-infrared spectroscopy to detect the sugar content of fruits. Methods: A light angle adjustable device for the diffuse transmission near-infrared spectroscopy was designed to detect the sugar content of citrus based on the simplified model of the remote motion center of the light source. The device had carried out the structural performance analysis and the test of the citrus sugar under different illumination angles. Results: The adjustment range of the light angle of the device was set to 0°～60°. The displacement deviation between …
Design And Test Of On-Line Checking Device For Electronic Belt Weigher,
2023
College of Metrology & Measurement Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China
Design And Test Of On-Line Checking Device For Electronic Belt Weigher, Zhang Linfeng, Liu Suijun, Yang Linchao, Liu Ying, Hu Jiacheng, Cai Jinhui, Shen Yinchu, Li Shaohua, Li Qing
Food and Machinery
Objective: In order to prevent the problem of small range electronic belt scale with inefficient method of traditional intermediate verification, low verification accuracy and security. Methods: A on-line intermediate check device was designed for small range electronic belt scale, which was composed of digital transmission control module and automatic loading module. Taking standard weight as input quantity, the upper computer controlled the manipulator to grab the weight onto the transmission belt to implement cyclic loading, then evaluated the measurement results and upload the evaluation results to the cloud. Results: After verification test and data analysis, for electronic belt weigher, it …
