Optimization Of The Extraction Process Of Parvalbumin From Pseudosciaena Crocea,
2021
Zhejiang Wanli University, Ningbo, Zhejiang 315100, China
Optimization Of The Extraction Process Of Parvalbumin From Pseudosciaena Crocea, Lu Chun-Xia, Yang Liu-Ming, Chen Shi-Da, Zhang Hui-En, Yang Hua
Food and Machinery
By measuring the yield of parvalbum, a kind of extraction solution of parvalbumin from Pseudosciaena crocea was screened out, and the relative extracting process was optimized. The results showed that when the extraction time was 42 h, the extract concentration was 72 mmol/L; the pH of the extract was 8, and the ratio of material to liquid was 1∶180 (g/mL); the extraction temperature was 50 ℃, and the extraction rate of parvalbumin reached 0.174 2%. Parvalbumin was then separated and purified by anion gel column chromatography, and its molecular weight was determined to be 12 kDa by Western blot analysis.
Isolation And Identification Of Analgesic Effects Of The Lycopodium Japonicum Thunb Polysaccharide,
2021
School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Isolation And Identification Of Analgesic Effects Of The Lycopodium Japonicum Thunb Polysaccharide, Tian Jia-Bao, Xu De-Ping
Food and Machinery
Explore the analgesic effects and active components of Lycopodium japonicum Thunb. Ethanol extraction, water extraction and ethanol precipitation were used to obtain different extracts of Lycopodium japonicum Thunb. Using acetic acid writhing and hot plate models, using mouse writhing reaction time and licking rear feet time as indicators, the analgesic components were screened and analyzed by nuclear magnetism. The water extract of Lycopodium japonicum Thunb has analgesic effect. After further analysis and screening, it is found that the analgesic components of Lycopodium japonicum Thunb are polysaccharides. A single component polysaccharide is obtained from the crude polysaccharides, and its structure is …
Total Synthesis Of Lycopene Based On Dodecatrienal,
2021
Department of Food Science and Engineering, Jinan University, Guangzhou, Guangdong 510632, China
Total Synthesis Of Lycopene Based On Dodecatrienal, Chen Guo, Yan Ri-An, Li Hai-Mei, Zhou Hua, Li Chun-Zhi
Food and Machinery
Diethyl [(1E,3E,5E)-2,6,10-trimethylundeca-1,3,5,9-tetraen-1-yl]phosphonate (9) was synthesized via a condensation between tetraethyl methylenebis(phosphonate) (7) and 6,10-dimethyl-3,5,9-undecatrien-2-one(8) by Wittig-Horner reaction, (3E,5E,7E)-3,8-dimethyldeca-3,5,7-trienedial (5) was prepared from (E)-tetraethyl but-2-ene-1,4-diylbis-(phosphonate)(2) and 4,4-dimethoxy-2-butanone (3) by Wittig-Horner reaction followed by hydrogenation. Lycopene was synthesized from diethyl [(1E,3E,5E)-2,6,10-trimethylundeca-1,3,5,9-tetraen-1-yl]phosphonate(9)and(3E,5E,7E)-3,8-dimethyldeca-3,5,7-trienedial(5) by Wittig-Horner reaction，the structure of products was confirmed by NMR, HRMS/GC-MS and IR techniques. The total yield was 16.7%.
The Effect Of Drying Methods On The Microscopic Properties, Ingredients And Antioxidant Activity Of Poria Cocos Products,
2021
College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Engineering Laboratory for Good Agricultural Practice and Comprehensive Utilization of Famous-Region Medicinal Plants, Changsha, Hunan 410128, China; Jingzhou Kangyuan Lingye Technology Co., Ltd., Huaihua, Hunan 418400, China
The Effect Of Drying Methods On The Microscopic Properties, Ingredients And Antioxidant Activity Of Poria Cocos Products, Xiao Yang-Bo, Liu Qi, Peng Yi-Si, Xiong Shi-Jun, Peng Guo-Ping
Food and Machinery
In this research, vacuum freeze-drying, constant temperature of 40 ℃，constant temperature of 60 ℃, constant temperature of 100 ℃, constant temperature of 120 ℃, sun drying and variable temperature drying with air energy were used to dry Poria cocos, and the effects of different drying methods were studied on mycelium microscopic characteristics, water-soluble polysaccharide content, water-soluble protein content, alcohol-soluble protein content and antioxidant activity of Poria cocos. Results: The Poria cocos mycelium of variable temperature drying with air energy and sun drying were loosely arranged, and the Poria cocos mycelium of constant temperature drying was in a bond state. The …
Research Progress On Biological Activity And Molecular Mechanism Of Sea Cucumber Saponins,
2021
College of Food Sciences & Technology, Shanghai Ocean University, Shanghai 201306, China;Shandong Marine Resource and Environment Research Institute, Yantai, Shandong 264006, China
Research Progress On Biological Activity And Molecular Mechanism Of Sea Cucumber Saponins, Zhong Jing-Shi, Zhang Jian, Liu Fang, Zhao Yun-Ping, Liu Kui, Wang Yi-Xin, Liu Hai-Chao, Wang Gong-Ming
Food and Machinery
In this review, the bioactivities and mechanisms of sea cucumber saponins, such as anti-tumor, anti-biofouling, atherosclerosis-improving, obesity-improving and obesity-related insulin resistance, Parkinson's disease-improving, osteoporosis-improv-ing and lifespan extension-promoting were summarized. Meanwhile, basic research, commercial application research and in-depth studies of sea cucumber saponins with modern technologies were also prospected.
Review On Accumulation And Metabolism Of Paralytic Shellfish Toxins In Shellfish,
2021
School of Marine Science and Bioengineering, Qingdao University of Science and Technology, Qingdao, Shandong266042, China
Review On Accumulation And Metabolism Of Paralytic Shellfish Toxins In Shellfish, Hu Xiao-Qun, Xie Wan-Cui, Li Min, Dong Ze-Qun, Yang Xi-Hong
Food and Machinery
The review describes the paralytic shellfish toxins (Paralytic Shellfish Toxins, PSTs) produced by harmful toxic algae. Species specificity of PSTs toxin accumulation content. The related research on paralytic shellfish toxins is reviewed from the accumulation, transformation, metabolism and purification of PSTs, and it is pointed out that efficient detoxification of aquatic products by means of optimization or combination of transient purification, biosorption, microbial metabolism and other purification methods is the future research direction.
Application Of Physical Modification In The Improvement Of Functional Properties Of Egg White Protein,
2021
College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
Application Of Physical Modification In The Improvement Of Functional Properties Of Egg White Protein, Wu Yong-Yan, Wang Qia, Duan Wen-Shan, Zhang Yu-Feng, Huang Qun
Food and Machinery
This paper reviewed the research results of physical modification of egg white protein in recent years, described the role of physical modification methods on the function improvement of egg white protein, and analyzed the characteristics of various modification methods in improving the functional properties of egg white protein.
Advances In The Study Of In Vitro Simulated Digestion,
2021
Food College of Heilongjiang Bayi Agriculture University, Daqing, Heilongjiang 163319, China
Advances In The Study Of In Vitro Simulated Digestion, Li Nuo, Zhang Dong-Jie, Zhang Gui-Fang, Lu Bao-Xin
Food and Machinery
Different types of in vitro digestion conditions and digestion parts were categorized summarized in this review, and different types of in vitro simulated digestion tests were analyzed. The application of in vitro simulated digestion in different nutrients was also reviewed.
Research Progress Of 31P-Quantitative Nuclear Magnetic Resonance Spectroscopy In Food Analysis,
2021
Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430070, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test, Wuhan, Hubei 430070, China
Research Progress Of 31P-Quantitative Nuclear Magnetic Resonance Spectroscopy In Food Analysis, Han Zhi, Gong Lei, Wang Hui-Xia, Jiang Feng, Zhu Xiao-Ling, Huang Zong-Qian, Cao Qi
Food and Machinery
The research progress of quantitative nuclear magnetic resonance in phospholipids, phosphates, organophosphorus pesticides, purity identification were reviewed, which could provide reference for the further development of new applications of quantitative nuclear magnetic resonance in food analysis and detection.
Active Components, Physiological Functions And Application Progress Of Aronia Melanocarpa Fruit,
2021
College of Biology, Food & Environment, Hefei University, Hefei, Anhui 230601, China
Active Components, Physiological Functions And Application Progress Of Aronia Melanocarpa Fruit, Yin Xia-Wei, Wang Chu-Yan, Yang Liu-Qing, Cao Jiang-Wei
Food and Machinery
In this paper, the active components of theAronia Melanocarpa fruits were introduced, and the physiological functions of Aronia Melanocarpa fruits were emphasized. The development status of the Aronia Melanocarpa fruits of was expounded. Finally, some suggestions on its application prospect were put forward, hoping to provide reference for the comprehensive utilization of the resources of Aronia Melanocarpa.
Research Progress In Physiological Function, Extraction And Application Of Anthocyanidin From Black Soybean Coat,
2021
Department of Public Health, Chengdu Medical College, Chengdu, Sichuan 610500, China
Research Progress In Physiological Function, Extraction And Application Of Anthocyanidin From Black Soybean Coat, Wei Xin-Yuan, Chen Hong-Yin, Cheng Dao-Mei
Food and Machinery
Summarized the physiological functions and separation and purification process of anthocyanidins from seed coat of black bean, and its application in food, medicine and cosmetics and other industries, and also prospected the future research and utilization of anthocyanidins from seed coat of black bean.
Research Progress On Detection Technology Of Chemical Components In Water-Based Emulsion Adhesives For Cigarette,
2021
Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou, Henan 450000, China
Research Progress On Detection Technology Of Chemical Components In Water-Based Emulsion Adhesives For Cigarette, He Jing-Yu, Li Guo-Zheng, Chen Yang, Qiu Jian-Hua, Zhang Ying-Hao, Liu Wen-Zhao, Wang Hong-Xia
Food and Machinery
According to the different objects determinand, the detection methods were described, includes residue in production process, additives, and heavy metal impurities, etc. in water-based emulsion adhesives for cigarette. And the development trend of detection methods of water-based emulsion adhesives for cigarette was also prospected.
Effect Of Extrusion Process On Different Forms Of Phenolic Compounds And Antioxidant Activities Of Hulless Barley,
2021
College of Life Science, Sichuan Normal University, Chengdu, Sichuan 610101, China
Effect Of Extrusion Process On Different Forms Of Phenolic Compounds And Antioxidant Activities Of Hulless Barley, He Yang-Hang, Liu Gang, Xia Chen, Deng Jun-Lin, Lin Chang-Bin, Xiang Zhuo-Ya, Chen Jian, Zhang Wen-Hui
Food and Machinery
This study was aimed at determining the contents of different forms of polyphenols and antioxidant activities of hulless barley. The contents and types of polyphenols were detected by Folin-ciocalteu and HPLC, respectively. The antioxidant activity was investigated by testing the scavenging ability of DPPH radicals. Results showed that the free, bind and total phenolic content of hulless barley decreased respectively by 89.3%, 23.7% and 52.7%, and esterified polyphenols slightly increased by 2.49 mg/100 g after processing. The variety of polyphenols segregated from free polyphenol extracts increased three. Besides, 7 phenolic compounds were all tested in bind polyphenols. Ferulic acid had …
Simultaneous Determination Of Four Flavonoid Glycosides And Limonin In Pomelo By Hplc,
2021
Food Science and Engineering, Jinan University, Guangzhou, Guangdong 510632, China
Simultaneous Determination Of Four Flavonoid Glycosides And Limonin In Pomelo By Hplc, Zhang Shan, Huang Xue-Song
Food and Machinery
In order to simultaneously determine narirutin, naringin, hesperidin, neohesperidin and limonin in pomelo, the effects of elution conditions and measurement wavelength of high-pressure liquid chromatography on the determination results were studied. The results showed that the optimal measurement conditions were as follows. Chromatographic column of Bio-Bond 5 μm C18 (4.6 mm × 250 mm was used, and the injection volume was 10 μL; the detection wavelengths of flavonoid glycosides and limonin were 283 nm and 220 nm, respectively; The phase: included acetonitrile (A) and water (B) with gradient elution of 0 min, 22% A, 8 min, 22% A, 10 …
Determination Of Four Synthetic Antioxidants In Edible Vegetable Oil By Gas Chromatography-Mass Spectrometry Coupled With Quechers,
2021
Zhongshan Institute for Food and Drug Control, Zhongshan, Guangdong 528437, China
Determination Of Four Synthetic Antioxidants In Edible Vegetable Oil By Gas Chromatography-Mass Spectrometry Coupled With Quechers, Zheng Hong-Tao, Liu Zi-Xiong, Wei Rong, Xie Guo-Dan, Dong Hai, Tan Gui-Liang
Food and Machinery
To establish a gas chromatography-mass spectrometry (GC-MS) method for the rapid determination of four synthetic antioxidants (BHT, BHA, TBHQ, and Ionox-100) in seven kinds of edible vegetable oils by QuEChERS assisted with ultrasonic extraction and purification. After ultrasonic extraction with acetonitrile, the samples were purified by QuEChERS technology, DB-35MS capillary column (30 m × 0.250 mm × 0.25 μm) was used for separation of analytes and ion monitoring (SIM) mode was selected for determination. The analytes were quantified by external standard method. The results indicated that the linear range of synthetic antioxidants was 0.5~20.0 μg/mL, and the correlation coefficient (R …
Study On Semi-Solid Brewing Technology And Flavor Analysis Of Lily Multi-Grain Liquor,
2021
Key Laboratory of Hunan Forest Products and Chemical Industry Engineering, Jishou University, Zhangjiajie, Hunan 427000, China
Study On Semi-Solid Brewing Technology And Flavor Analysis Of Lily Multi-Grain Liquor, You Xiang-Tao, Yu Ji, Zhang Ming, Zhang Bin, Ma Cheng-Jin
Food and Machinery
The technological conditions of semi-solid fermentation of lily multi-grain liquor were studied using lily and sorghum as the main raw materials, supplemented with rice and corn. Based on the single factor experiments, the saccharification and fermentation conditions of lily multi-grain liquor were optimized by orthogonal experiments and response surface experiments, and its flavor were also analyzed. The results showed that the optimal saccharification conditions were as followed: initial water content 55%, saccharification temperature 28 ℃, saccharification time 16 h, saccharification koji dosage 0.6%. Then the optimal fermentation parameters were: fermentation temperature 28 ℃, fermentation time 9 days, fermentation koji dosage …
Pickle And Other Condiment Recipes From Backyard Farmer,
2021
University of Nebraska Extension
Pickle And Other Condiment Recipes From Backyard Farmer, Wayne C. Whitney, Sue Ann Gardner
Zea E-Books Collection
Compiled by Wayne C. Whitney, Extension Horticulturist University of Nebraska Extension Publication CC-245 (1972) With a new Preface by Sue Ann Gardner Here are the favorite pickle and other condiment recipes submitted by viewers of Backyard Farmer, a television program of the Extension Service, University of Nebraska College of Agriculture. On this program, questions pertaining to the home, yard and garden are answered by specialists in the areas of Horticulture and Forestry, Entomology, Plant Pathology and Agronomy. This publication resulted from an on-the-air request for pickle recipes. Some 536 recipes were received from interested viewers from Nebraska and surrounding states. …
Research Progress Of Inhibitory Effects Of Polyphenolic Compounds On Xanthine Oxidase,
2021
State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
Research Progress Of Inhibitory Effects Of Polyphenolic Compounds On Xanthine Oxidase, Hong Xin-Yue, Wu Jian-Mei, Luo Xiao-Qiao, Liu Kai, Zhou Wei-Jie, Zhang Guo-Wen
Food and Machinery
The inhibitory activities and types of polyphenolic compounds on xanthine oxidase and their interactions in the past five years was summarized in this review, and the structure-activity relationship, the structural modification and its development and application of metal complex were also prospected. This will provide some references for the research and development of polyphenolic compounds as lowing uric acid food functional factors and drugs.
The Flavor Characteristics Of Bayberry Wine And Glutinous Rice Bayberry Wine Were Analyzed Based On Gas Chromatography-Ion Migration Spectrum,
2021
College of Chemistry and Food Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
The Flavor Characteristics Of Bayberry Wine And Glutinous Rice Bayberry Wine Were Analyzed Based On Gas Chromatography-Ion Migration Spectrum, Xian Ling-Zhi, Liu Jin-Yang, Lu Jin-Hua, Xie Ding
Food and Machinery
The volatile components of glutinous rice bayberry wine and bayberry wine were compared by gas chromatography-ion migration spectrum, and the sensory evaluation was made at the same time. The volatile substances of bayberry wine mainly include ethyl butyrate, ethyl isobutyrate, ethyl orthocaproate, ethyl propionate, ethyl caprylate, glutaldehyde and 2-methylbutyraldehyde.The volatile substances of glutinous rice bayberry wine mainly include: ethyl isovalerate, ethyl valerate, isobutyl acetate, leaf alcohol acetate, ethyl lactate, propyl aldehyde, octyl aldehyde, trans-2-hexenal aldehyde, 3-hydroxy-2-butanone and diisobutyl ketone, etc. The composition of the two samples was significantly different. The volatile matter of glutinous rice bayberry wine was more abundant …
Comparison Of Nutritional, Flavor And Functional Characteristics Of Tibetan Yak Butter At Different Altitudes,
2021
Faculty of Food Science and Engineering, Center South University of Forestry and Technology, Changsha, Hunan 410004, China
Comparison Of Nutritional, Flavor And Functional Characteristics Of Tibetan Yak Butter At Different Altitudes, Xie Si-Wei, Liu Chun-Ai, Sun Shu-Guo, Luo Zhang, Yang Fei-Yang
Food and Machinery
The fatty acid composition, volatile components, rheological properties and antioxidant activity of yak butter at different altitudes (2 500~2 800 m, 3 500~4 000 m and above 4 300 m) in Tibetan were analyzed and compared. The results showed that altitude had significant effects on fatty acid composition, volatile components, rheological properties, and antioxidant activity (P<0.05). The unsaturated fatty acid content of yak butter at altitude of 2 500~2 800 m was the highest. Yak butter with an altitude of more than 4 300 m had pure smell and best flavor quality. Yak butter at altitudes of 3 500~4 000 m had the best fluidity. Yak butter at different altitudes had different antioxidant abilities, among which yak butter at altitudes ranging from 2 500 m to 2 800 m had the strongest DPPH free radical (66.99 mmol/100 g Trolox), hydroxyl free Trolox (26.71 mmol/100 g Trolox), superoxide anion scavenging ability (22.85%), and iron ion chelating antioxidant ability (1.41%).
