Preservative Effect Of Active Films Containing Pomegranate Peel Extract As Antimicrobial Agent On Chilled Pork,
2016
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
Preservative Effect Of Active Films Containing Pomegranate Peel Extract As Antimicrobial Agent On Chilled Pork, Hu Shuaifeng, Xie Qingchao, Liang Xianbo, Li Li
Food and Machinery
With 1.5% of pomegranate peel extract (PPE) as antimicrobial agent, polyethylene resin (PE) and polypropylene resin (PP) as base material, PE, PPE—PE, PP/PPE—PE active films were prepared and their basic properties were investigated. Pork stored at refrigeration (4±1) ℃ with PE, PPE—PE, PP/PPE—PE active packaging films, and the effects of preservation were evaluated by total viable count (TVC), total volatile basic nitrogen (TVB-N), pH value, thiobarbituric acid (TBA) value, drip loss and sensory scores. PPE—PE film was 1.96 times the oxygen transmission rate of PE film, 4 times of PP/PPE—PE film. PPE caused the light transmittance of PE film decreased, …
Effect Of Different Packaging Conditions On Storage Quality Of Akesu Walnut,
2016
College of Life Sciences, Tarim University, Alar, Xinjiang 843300, China; Construction Corps Key Laboratory of Deep Processing on Featured Agricultural Products in South Xinjiang, Alar, Xinjiang 843300, China
Effect Of Different Packaging Conditions On Storage Quality Of Akesu Walnut, Wang Ping, Song Lijun, Lu Jiankang, Hou Xujie
Food and Machinery
In order to find the best way of physical preservation and storage conditions of xin 2 in Akesu, using aluminum foil packaging, Inflatable packaging, vacuum packaging to wrap the walnuts were stored in low temperature (4 ℃) and room temperature (25 ℃), and controlled trial. Determining the acid value, koettstorfer numbe, iodine number, glucosinolates barbituric acid value, the peroxide value, the activity of lipase, peroxidase, catalase activity of oil from walnut, which change made as oxidation quality evaluation index, to study the difference of the changes of the indexes of different storage conditions using variance analysis. The results showed that: …
Study On Monosaccharide Component And Immunomodulatory Activity Of Water Soluble Polysaccharides From Lettuce Stem,
2016
Department of Food Science and Engineering, College of Tea and Food Technology, Anhui Agricultural University, Hefei, Anhui 230036, China
Study On Monosaccharide Component And Immunomodulatory Activity Of Water Soluble Polysaccharides From Lettuce Stem, Wang Mingchun, Nie Chenzhipeng, Zhu Peilei, Zhao Shiwei, Wang Naifu, Zeng Xiaoxiong, Zhou Yibin
Food and Machinery
In order to study polysaccharides of lettuce stem, lettuce stem was used as materials to prepare water soluble polysaccharides with the method of water extraction-alcohol precipitation. Monosaccharide components and immunomodulatory activities of polysaccharides were measured by using HPLC and administration route of RAW 264.7 macrophage cells. The results demonstrated that lettuce stem polysaccharides were mainly composed of galacturonic acid, galatose and arabinose in a mole ratio of 22.60∶30.42∶17.88. In the range of 5～200 μg/mL of test concentrations, lettuce stem polysaccharides significantly promoted the proliferation, phagocytosis and NO product of RAW264.7 macrophage cells, which suggested that lettuce stem polysaccharides had a …
Effects Of Ethanol Vapor Treatments On Related-Senescence Physiological Indexes Of Postharvest Snap Bean During Storage,
2016
College of Agriculture, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
Effects Of Ethanol Vapor Treatments On Related-Senescence Physiological Indexes Of Postharvest Snap Bean During Storage, Guo Yu, Jiang Yufu, Zhong Jia, Wang Dongxue, Wang Qiang, Jin Yazhong, Wang Ying
Food and Machinery
To investigate the physiological mechanism of exogenous ethanol vapor regulation of senescence of postharvest snap bean, the effects of related-senescence physiological indexes of postharvest snap bean applied ethanol (1.5 mL/kg and 3 mL/kg) vapor was studied with a snap bean (Phaseolus vulgaris L. var.chinensisHort.) cultivar WuChang snap bean, with the treatment of clear water vapor as control, and treated materials were stored at room temperature (23 ℃±1 ℃). The results showed that exogenous ethanol vapor significantly reduced the activity of LOX and PPO in snap bean during the storage, and postponed the increase of MDA content. Furthermore, ethanol vapor delayed …
Study On Antioxidant Of Neferine From Lotus Powder,
2016
College of Food Science and Technology, Hunan Agricultural University, Changsha， Hunan 410128, China
Study On Antioxidant Of Neferine From Lotus Powder, Ren Mei, Xia Yanbin
Food and Machinery
Neferine was studied as object in this study. Using total reducing power, hydroxyl radical system, superoxide radical system, DPPH system, and schaal oven-storage test to study the antioxidant activities and antioxidant activity in rapeseed oil of neferine from lotus powder, which prepared by HSCCC. The results showed: compared with VC, neferine showed better total reducing power and scavenging effect in free radical system, which its maximum scavenging rate of hydroxyl radical,superoxide radical and DPPH radical was 62.79%, 76.23%, 93.57%, respectively. In addition, different neferine dosage had both dose-effect on the relationship with the antioxidant effect of rapeseed oil. …
Separation Of Β-Sesquiphellandrene By Silica Gel And Argentation Column Chromatography,
2016
Department of Bioengineering, Shandong Polytechnic, Jinan, Shandong 250104, China
Separation Of Β-Sesquiphellandrene By Silica Gel And Argentation Column Chromatography, Wang Yan, Zhou Changyuan, Du Ailing
Food and Machinery
A aether and n-hexane solution was used as mobile phase to preliminary extract β-sesquiphellandrene from ginger oleoresin by common silica gel column chromatography, and GC—MS was used for detecting β-sesquiphellandrene tracing. Comparison of different developing solvents of β-sesquiphellandrene and zingiberene on argentated silica gel G pre-coated plate, hexane-ethyl acetate (99∶1)was used as the mobile phase to sepatate β-sesquiphellandrene, the results indicated that the GC—MS area percentage of the silica gel and argentation column chromatography product was 95.79% with 89.73% recovery. Through the HPLC detection of β-sesquiphellandrene peak sample, β-sesquiphellandrene was found its existence of UV absorption at 232 nm, and …
Response Surface Methodology For Optimization Of Extracting Polysaccharide From Polygala Tenuifolia Willd. And Antioxidant Evaluation,
2016
College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, China
Response Surface Methodology For Optimization Of Extracting Polysaccharide From Polygala Tenuifolia Willd. And Antioxidant Evaluation, Jing Yongshuai, Wu Lanfang, Wang Qian, Zheng Yuguang, Yan Yuping, Jiang Aimin
Food and Machinery
The optimum condition of ultrasonic extraction of Polygala tenuifolia Willd. Polysaccharide (PTP) was investigated. The results showed, the optimum condition was ultrasonic extraction time 30 min, ultrasonic extraction, temperature 67 ℃, ratio of water to raw material 10∶1（mL/g）, and extraction 2 times, the yield of polysaccharide was（5.87±0.21）% (n=3). IR spectra predicted PTP had typical characteristic absorption peaks which were neutral polysaccharide and free from urinic acid. In vitro antioxidant activities showed PTP had effects on DPPH radical and hydroxyl radical.The IC50 of it against DPPH radical and hydroxyl radical was 0.83 mg/mL, 1.29 mg/mL.
Optimization On Freezing Concentration Of Aqueos Extracts From Anoectochilus Roxburghii Rhizome,
2016
Zhangzhou Institute of Technology, Food and Biological Engineering, Zhangzhou, Fujian 363000, China; Deep Processing of Agricultural Products and The Safety of Application Engineering Technology Center, Fuzhou, Fujian 350002, China
Optimization On Freezing Concentration Of Aqueos Extracts From Anoectochilus Roxburghii Rhizome, Wang Wencheng, Chen Meiying, Chen Jinquan
Food and Machinery
The freezing concentration of aqueos extracts feom the residual rhizome of Anoectochilus roxburghii has been investigated. The loss rate caused by entrainment of ice crystals and the rate of the freezing concentration were selected as the evaluation indexes to design the optimization of processing by the response surface methodology. The experimental results showed that the most ideal process were as the followed: the temperature difference between refrigerant and concentration 5 ℃, scraper speed 45 r/min, and freeze concentration time, 13.5 h. Under the conditions, the loss rate caused by entrainment o f ice crystals was 0.891 0% and the rate …
Optimization Of Extraction Of Total Flavonoids From Water Caltrop Pericarp,
2016
Hunan Provincial Engineering Research Center for Food Processing of Aquatic Biotic Resources, Changsha, Hunan 410114, China; School of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China
Optimization Of Extraction Of Total Flavonoids From Water Caltrop Pericarp, Liu Dongmin, Wang Jianhui, Liu Yongle, Tan Li, Wang Bin
Food and Machinery
In order to optimize ultrasonic-assisted extraction of flavonoids from water caltrop pericarp, response surface methodology was used to acquire regression models for optimization of extraction temperature, extraction time and ethanol concentration based on single factor investigations. The results showed that this model reflected good relationship of the flavonoids yield and these factors. The optimal conditions for achieving the high extraction yield of flavonoids were temperature of 71.77 ℃, time of 37.96 min and ethanol concentration of 51.82%. Under the optimum conditions, the extraction yield of flavonoids reached 5.61% and fitted the models well. The obtained model could be used for …
Preparation And Process Optimization Of Hot-Air Drying Instant Wonton,
2016
College of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
Preparation And Process Optimization Of Hot-Air Drying Instant Wonton, Huang Min, Dong Qingliang, Zheng Jianxian
Food and Machinery
Instant wonton was prepared from wheat flour by hot-air drying on the basis of optimization by single factor on the dough recipe. And the orthogonal method was used to investigate the influence of monoglycerides, sucrose ester and composite phosphate on the rehydration rate, cooking lose rate and sensory evaluation. Meanwhile, response surface method was applied to optimize the steamed time, drying time and rehydration time in response to sensory evaluation. The results showed that the optimal dough recipe of instant wonton was: water of 42%, salt of 1%, wheat gluten of 9%; The optimal ratio of composite additives was: monoglycerides …
Screening Of Saccharomyces Cerevisiae Highly Producing Glutathione To Brew Cider With Healthcare Function,
2016
Fuwai Hospital and Cardiopulmonary Institute, Chinese Academy of Medicine Science, Beijing 100037, China
Screening Of Saccharomyces Cerevisiae Highly Producing Glutathione To Brew Cider With Healthcare Function, Huang Jinghan, Xu Jingran, Liu Aiping, Xu Xinbiao, Liu Shuangping, Mao Jian
Food and Machinery
The process of browning seriously influence the cider quality, but the glutathione producing by yeast can inhibit browning in the production and storage of cider. The glutathione (GSH) producing strain Saccharomyces cerevisiae Y18 was chosen as the starting strain, and after ultraviolet mutagenesis and diethyl sulfate mutagenesis, the strain highly producing GSH was screened by 96-well plates. Secondary screening was carried out by comparing fermenting power and GSH concentration after strain culture in shaker. The mutant strains Y18-20 GSH after screening by 96-well plates producing 46.8 mg/L GSH in the simulation of cider fermentation conditions, and it’s cell capacity of …
Studies On Development And Free Radical Scavenging Activity Of Grain Yogurt,
2016
College of Life Science and Enviroment, Hengyang Normal University, Hengyang, Hunan 421008, China
Studies On Development And Free Radical Scavenging Activity Of Grain Yogurt, Chen Xiaohua, Li Jianzhou, Wang Dongping
Food and Machinery
According to the principle of dynamic balance of plant and animal protein nutrition, the new grain yogurt was fermented by the black sesame, black bean and corn, and free radical scavenging activities of grain yogurt were detected by the method of scavenging activities of α, α-diphenyl-β-picrylhydrazyl (DPPH) radicals and hydroxyl radicals, which commercial yogurt and unfermented grain juice were used to be compared groups. The results showed that the optimum manufacturing process of the grain yogurt was 10 mL/100 mL black sesame juice, 13.3 mL/100 mL black bean juice, 13.3 mL/100 mL corn juice, 7.9 g/100 mL milk powder, 5 …
Optimization Of Oil Extraction From Antarctic Krill Shell,
2016
School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Optimization Of Oil Extraction From Antarctic Krill Shell, Xu Yang, Jiang Qixing, Liu Fujun, Xu Yanshun, Li Jingru, Zhang Qingxiang, Xia Wenshui
Food and Machinery
The extraction of oil from Antarctickrill shell by organic solvent was studied in this paper.The effect of drying methods on krill oil qualities (Content of astaxanthin and acid value) were studied. In addition, the yield of oil, phospholipids, and astaxanthinwere compared while different extrantsolvents were used. Oil extracted from raw material processed by Freeze-drying hadthe highest astaxanthin content and the lowest acid value which made this method the best choice. When 95% ethanol was used, there were the highest yeild of krill oil, phospholipid and astaxanthin.With orthogonal experiment, the influence of material particle size, extraction temperature, extraction time, solid/liquid ratio …
A Review Of Production Technology And Equipment Of Dried Chinese Noodle,
2016
Institute of Food Science and Technology, Chinese Academy of Agriculture Science, Beijing 100193, China; Hebei Jinshahe Institute of Food Industrial Technology, Beijing 100068, China; Institute of Food and Nutrition Development, Ministry of Agriculture, B
A Review Of Production Technology And Equipment Of Dried Chinese Noodle, Liu Rui, Zhang Yingquan, Wu Liang, Xing Yanan, Wei Yimin
Food and Machinery
The level of process and production equipment of dried Chinese noodle already has the characteristics of the modern food industry. This paper systematically states the dried noodle producing process and main technological parameters. And the characteristics and application of various types of equipments were also introduced. Furthermore, the main factors affecting noodle quality were analyzed. Finally, the development of processing technology and equipment of dried noodle was prospected.
Peogress On Regulation Of Carotenoid Biosythesis By External Factorss,
2016
Institute of Food Biotechnology, South China Agricultural University, Guangzhou, Guangdong 510640, China; Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510640, China
Peogress On Regulation Of Carotenoid Biosythesis By External Factorss, Yin Lin, Lin Junfang, Ye Zhiwei, Guo Liqiong, Jian Jinhui
Food and Machinery
In recent years, the carotenoids in nature are widely used in food, medicine, nutrition and health care industries due to the good biological activity and physiological function. And in order to meet the needs of human beings, the more and more studies on the regulation of carotenoid biosynthesis are emerging. In this paper, the effects of light, temperature and elicitor on the biosynthesis of carotenoids are reviewed, which is hoped that the production of carotenoids can be improved by external regulation in the production process.
Review On Current Situation Of Harmful Residual Of Freshwater Fish In Dongting Lake Region,
2016
Hunan Provincial Engineering Research Center for Food Processing of Aquatic Biotic Resources, Changsha University of Science and Technology, Changsha, Hunan 410114, China
Review On Current Situation Of Harmful Residual Of Freshwater Fish In Dongting Lake Region, Xu Simin, Wang Jianhui, Liu Yongle, Chen Qi, Wang Faxiang, Li Xianghong, Yu Jian
Food and Machinery
The present review was focused on the analysis of the present situation of poisonous and harmful residues of freshwater fish in Dongting Lake, the sources of pollution and the way of enrichment in fish so as to provide the basis for subsequent investigation and study, residue control of poisonous and harmful residual in lake and the construction of breeding strategy in freshwater fish. Finally, the prospects of research emphasis in this field and the main direction are concluded.
Research Advance Of High-Voltage Pulsed Generator In High-Voltage Pulsed Electric Field Sterilization System,
2016
School of Energy Science and Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China
Research Advance Of High-Voltage Pulsed Generator In High-Voltage Pulsed Electric Field Sterilization System, Xia Tao, Wu Yunfeng, Wang Shengli, Dai Lei, Hu Boyang, Miao Ling
Food and Machinery
The text summarized the design principle of high pulse generator and it application and prospect, analyzed it advantages and disadvantages round the world and concluded the difficulties in the design.
Progress On Effects Of Different Additives On Gelatin Modification,
2016
College of Food Science and Technology, Henan University of Technology, Zhengzhou, Henan 450001, China
Progress On Effects Of Different Additives On Gelatin Modification, Kang Shasha, Xin Ying, Chen Fusheng
Food and Machinery
Gelatin, the hydrolyzed biopolymer of collagen, is widely used in pharmaceutical, food industries etc. However, its inherent physical and chemical properties can not meet production needs (especially fish gelatin). The research of gelatin modification attracts more attentions. Gelatin chemical crosslinking modified with inorganic compounds (MgSO4, CaCl2 and NaCl), organic compounds (pectin, chitosan and aldehyde) and Transglutaminase was introduced in this paper.
Progress On Application Of Ultrasound Treatment Technology In Meat Industry,
2016
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
Progress On Application Of Ultrasound Treatment Technology In Meat Industry, Lei Chen, Xia Yanbin, Che Zaiquan, Ren Mei
Food and Machinery
In this paper summarizes the application of ultrasound technology in meat industry, for example the effect of ultrasound to meat quality and the influence of ultrasound to the processing. In addition, also discussed the disadvantages of ultrasound and the application prospect of ultrasound technology in meat industry.
Study On Oxidation Degradation Products Of Linoleic Acid,
2016
Hunan Provincial Engineering Research Center for Food Processing of Aquatic Biotic Resources, Changsha University of Science and Technology, Changsha, Hunan 410114, China
Study On Oxidation Degradation Products Of Linoleic Acid, Wang Jianhui, Wang Xiu, Chen Qi, Wang Faxiang, Li Xianghong, Yu Jian, Liu Yongle
Food and Machinery
GC—MS was applied to identify the acceleration of oxidative products formed from linoleic acid stored at 60 ℃. Both volatile and non-volatile oxidates were focus on in the present study. The results showed that the oxidative products formed in the primary oxidation stage were continuously oxidized into volatiles (such as aldehydes, ketones, alcohols, furan, etc.) during the course of accelerated oxidation. The relative contents of Hexanal, (E)-2-Heptena, (E)-2-Nonena, (E)-3-Nonene-2-one, 2-pentyl Furan changed obviously before 12 h and they could be used as evaluation indices of the primary autoxidation of linoleic acid. However, the relative contents of (E, E)-2, 4-Nonadienal, (E, …
