Studies On Extraction And Molecular Properties Of Gualou Seed (Semen Trichosanthis) Protein Prepared From By-Products,
2015
Department of Food and Biological Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
Studies On Extraction And Molecular Properties Of Gualou Seed (Semen Trichosanthis) Protein Prepared From By-Products, Li Xianghong, Li Min, Liu Yongle, Yu Jian, Wang Faxiang, Wang Jianhui
Food and Machinery
In present study, Gualou seed proteins were extracted from its by-products, and the molecular properties of the proteins were also observed. The results showed that the Gualou seed proteins mainly consisted of salt-soluble protein (55.3% of extracting yield) and alkali-soluble protein (15.8% of extracting yield), and the alkali-soluble protein may be linked with pigments because the protein solution appeared to be dark brown. Sodium dodecyl sulfonate-polyacrylamide gelelectrophoresis analysis was used to test the subunit molecular weight distribution and the result revealed that subunits of salt-soluble and alkali-soluble proteins mainly distributed from 10 to 32 kDa. The molecular weight distribution of …
Effect Of Peel Reutilization On Quality Of Essential Oil From Orange (Citrus Sinensis Var. Valencia) Peel After Rubbing Peel,
2015
Hunan Agricultural Product Processing Institute, Changsha, Hunan 410128, China
Effect Of Peel Reutilization On Quality Of Essential Oil From Orange (Citrus Sinensis Var. Valencia) Peel After Rubbing Peel, Liang Zengenni, Fu Fuhua, Shang Xuebo, He Shuang, Shan Yang
Food and Machinery
To study on utilization of residual orange peel in industrial production and increase of essential oil yield from orange peel, essential oil from yellow juice and residual orange peel were extracted inCitrus sinensis var. Valencia using steam distillation after grinding peel. Then the yield of essential oil extracted from yellow juice and residual orange peel was measured and their compounds were compared, andessential oilextracted from tangerine peel and tangerine endocarp were used as control. The results shows that the essential oil yield from orange peel can be increased (11.55%) by recycling residual orange peel, and the compounds of essential oil …
Inhibiting Effect Of Stachyose From Stachys Floridana Schuttl.Ex Benth On Proliferation Of Caco-2 Cell Line And Its Potential Mechanism,
2015
Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu 214062, China
Inhibiting Effect Of Stachyose From Stachys Floridana Schuttl.Ex Benth On Proliferation Of Caco-2 Cell Line And Its Potential Mechanism, Zhong Xianfeng, Huang Guidong, Zhang Jiru, Zhang Yong, Hua Dong
Food and Machinery
The inhibiting effect of stachyose from Stachys floridana Schuttl.ex Benth on the proliferation of Caco-2 cell line and its potential mechanism were investigated.Caco-2 cells were incubated in serum-free media, the inhibiting effect of stachyose on Caco-2 cell proliferation were analyzed by MTT assay and the apoptosis of Caco-2 cells were determined by flow cytometry, then cell damage degree was studied by the detection of LDH release rate. The results showed that stachyose inhibited the proliferation of Caco-2 cell lines in a dose- and time- dependent manner. After pretreatment with different concentrations of stachyose (0.5, 1, 2, 4 mmol/L), cell apoptosis …
Effects Of Drying Methods On Antioxidant Activities And Reducing Capacity Of Polysaccharides Extracted From Onchidium Struma,
2015
Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai 201306, China
Effects Of Drying Methods On Antioxidant Activities And Reducing Capacity Of Polysaccharides Extracted From Onchidium Struma, Cheng Zhiqing, Shen Heding, Yao Lixiang, Diao Ya
Food and Machinery
The polysaccharide of Onchidium struma was extracted by using traditional hot water extraction and alcohol precipitation method，the influence of vacuum freeze drying and oven drying on the antioxidant activity of polysaccharides was investigated. The antioxidant activities of the polysaccharide was evaluated by scavenging DPPH free radical, hydroxyl free radical, surperoxide anion radical and sodium nitrite, and the total reducing capacity of polysaccharide was studied by spectrophotometric method. The results showed that the scavenging effect of freeze dried polysaccharide was stronger than the oven dried polysaccharide,the IC50 for scavenging activities against DPPH free radical, hydroxyl and sodium nitrite were 4.14, …
Antioxidant Activity Of Capsaicin In Vitro,
2015
National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agriculture University, Changsha, Hunan 410128, China
Antioxidant Activity Of Capsaicin In Vitro, Liu An, Wang Zhen, Liu Linfeng, Xiang Yi, Xiao Wenjun
Food and Machinery
The antioxidant activity of capsaicin was evaluated through building antioxidant experiment model in vitro, taking capsaicin monomer as standard sample, and Vc as the contrast. By analyzing the reducing power of capsaicin and scavenging experiments on the DPPH radical, superoxide anion radical (O-2·), nitroso and hydroxyl radical (·OH), discussed capsaicin the antioxidant properties. The results showed that: reducing power of capsaicin increased with mass concentration increasing, and the DPPH radical, nitroso and clearance rate of ·OH with mass concentration increasing, and the scavenging effect and Vc basically similar, but with lower clearance to O-2·; the clearance of capsaicin to DPPH·, …
Ultrasonic-Assisted Two-Phase Aqueous Extraction And Antioxidant Activity Of Polyphenols From The Seed Of Synespalum Dulcificum,
2015
College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571127, China
Ultrasonic-Assisted Two-Phase Aqueous Extraction And Antioxidant Activity Of Polyphenols From The Seed Of Synespalum Dulcificum, Ma Yidan, Liu Hong, Liao Xiaowei, Yan Ruixin, Qi Jinling
Food and Machinery
The seed of Synespalum dulcificum was untrasonified in the acetone-(NH4)2SO4 aqueous two-phase syetem to extract total polyphenils and different conditions for extraction of polyphenols antioxidant activity was investigated. Acetone was chosen as the best extraction solvent for this research. The acetone concentration, amount of the (NH4)2SO4, the ultrasonic time，extraction temperature, ratio of water to solid were discussed by the single factor experiment. The optimal extraction conditions were found to be: the concentration of acetone solution 50%, ultrasonic time 100 min and extraction temperature 60 ℃，ratio of water to solid …
Study On Optimal Conditions For Extracting Alkaloids From Areca Catechu Based On Multistage Cross Flow Extraction,
2015
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
Study On Optimal Conditions For Extracting Alkaloids From Areca Catechu Based On Multistage Cross Flow Extraction, Gao Xiaoting, Yang Dawei, Jiang Chenfeng
Food and Machinery
In order to optimize the extraction process of alkaloids from areca catechu, the alkaloids was extracted by varied extraction solvent systems from areca catechu shell and the optimal extraction solvent was explored. According to the theoretical formula of multistage cross flow extraction, solid to liquid ratio and extractive grades was designed. Based on the results of single-factor test, the effect of extraction temperature, extraction time, pH value on extraction rate were conducted by orthogonal test of interaction. The result showed that the extraction rate of alkaloids was 7.241 7 mg/g under the optimal conditions: taking water as the solvent, solid …
Nutritional Benefits Of European Plums (Prunus Domestica L.),
2015
Institute of Food Science and Technology, Fuzhou University, Fuzhou, Fujian 350108, China
Nutritional Benefits Of European Plums (Prunus Domestica L.), Liu Zhibin, Feng Jiangduo, Zhang Wen, Ni Li
Food and Machinery
European plum (Prunus domestica L.) and its dried products, commonly known as prune, are widely consumed in Unite States, European countries and worldwide. European plum, which is rich in polyphenols and other phytochemicals, possesses high nutritional values. This review summarizes the findings of published studies which examine the nutritional benefits, including antioxidant activity, the protection effect on cardiovascular system, anti colon cancer activity, relieving constipation effect and bone health improvement effect of European plum.
Preparation Of Rapidly Dissolving Tablets Of American Ginseng,
2015
College of Chemistry and Bioengineering, Yichun University, Yichun, Jiangxi 336000, China
Preparation Of Rapidly Dissolving Tablets Of American Ginseng, Chen Sanbao
Food and Machinery
Using American ginseng extract as the raw materials，formulation and preparation process of American ginseng extract rapidly dissolving tablets were studied through the single factor experiment and orthogonal experiment which evaluated by disintegration time, taste. And research results showed the optimized formulation were as follows: 20% American ginseng extract powder, 12% CMS-Na, 20% MCC, 8% L-HPC, 0.4% menthol, 1.0％ sucralose, 0.2% citric acid. mannite as diluent. The orally disintegrating tablets could be obtained, with good taste, take convenience.
Research Progress On Quality Characteristics And Processing Adaptability Of Early Indica Rice,
2015
National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Research Progress On Quality Characteristics And Processing Adaptability Of Early Indica Rice, Li Yanan, Hu Peisong, Wang Li, Chen Zhengxing
Food and Machinery
Early indica rice is an important support for China's food security. Based on the status of rich early indica rice resource but not used effectively, comparing and analyzing the qualitative character of early indica rice to explore the deep processing direction, and screening the suitable early indica rice varieties according to the quality characteristics of rice products, provided theoretical basis for the cultivation and promotion of good varieties of early indica rice.
Synthesis And Characterization Of Rice Husk Based Lignin-Bisphenol A Epoxy Resin,
2015
School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Synthesis And Characterization Of Rice Husk Based Lignin-Bisphenol A Epoxy Resin, Li Ying, Li Xin, Yu Zhike, Zhou Xueying, Ni Caihua, Shi Gang
Food and Machinery
Lignin was extracted using alkali distillation from rice husk, which is the food processing waste. As the structure of lignin and bisphenol A is similar, lignin modified bisphenol A epoxy resin could be prepared under alkali as catalyst by blending them. It can be concluded that when the lignin substitution rate was 20%, the epoxy value of the epoxy resin was 0.3, the weight-average molecular weight was 6 045, and the molecular weight distribution was relatively uniform.
Physical Properties Of Edible Composite Films Based On Chitosan And Whey Protein Isolate,
2015
State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China; R&D Center of Separation and Extraction Technology in Fermentation Industry, Shanghai 200237, China
Physical Properties Of Edible Composite Films Based On Chitosan And Whey Protein Isolate, Wang Yaosong, Zhao Liming, Wu Yanqing
Food and Machinery
The chitosan with different molecular weights (MW: 50 kDa, 250 kDa, 500 kDa and 1 000 kDa) were used to respectively combine whey proteins to form their composite films. It was expected that chitosan/whey proteins films endowed with versatile functionalities to meet practical requirement of food packaging applications. The equal volume of 3% (m/V) chitosan dissolved in 2% (m/V) acetic acid solutions and 12% (m/V) preheated (80 ℃ for 30 min) whey protein solutions was used to prepare resulting film-forming solutions after 2.4% (based on whey protein content, m/m) glycerol to make cast composite films. The functional propertied of the …
Analysis On Composition Of Organic Acids In Choerospondias Axillaris And Its Pastilles,
2015
State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
Analysis On Composition Of Organic Acids In Choerospondias Axillaris And Its Pastilles, Li Ti, Dai Taotao, Cheng Chao, Chen Jun, Wang Zhaojun, Liu Jiyan, Liu Chengmei, Liu Wei
Food and Machinery
This paper aims at analyzing the composition and content of organic acids in Choerospondias axillaris and its pastilles, and discussing the effect of pastilles processing on content of organic acids, to provide a reliable basis for further development of Choerospondias axillaris product. LC—MS was adopted to analyze the organic acids in Choerospondias axillaris, and established a reversed-phase HPLC technique for the quantitative and qualitative analysis of organic acids. The results showed that all samples presented a similar profile mainly composed of 7 organic acids, where citric acid and malic acid were the major ones. The content of organic acids in …
Influence Of Polyphenol Compounds On Sensory Quality Of Commercial Cigarettes Using Partial Least Square Regression,
2015
Tobacco Jiangxi Industrial Co., Ltd., Nanchang, Jiangxi 330000, China
Influence Of Polyphenol Compounds On Sensory Quality Of Commercial Cigarettes Using Partial Least Square Regression, Guo Lei, Su Jiakun, Shao Dengyin, Shen Ning, Zhao Juan, Yu Jingyang, Xia Shuqin, Cai Jibao, Zhang Xiaoming
Food and Machinery
The Partial Least Square Regression(PLSR) analysis was used to study the influence of polyphenols, such as chlorogenic acid, scopoletin and rutin contents on sensory quality. The results showed that there were significantly positive correlations between chlorogenic acid and oral irritation or tongue burning, oral coating or dryness. There were significantly negative correlations between scopoletin and astringency and throat irritation. However, there were no significant correlations between rutin and comfort characteristics. For smoke characteristics, there was a significantly positive correlation between chlorogenic acid and off-taste. Chlorogenic acid and scopoletin had significantly negative influences on impact. Rutin had no significant influence on …
Influence Of Routine Chemical Components On Sensory Quality Of Commercial Cigarettes Using Partial Least Square Regression,
2015
School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Influence Of Routine Chemical Components On Sensory Quality Of Commercial Cigarettes Using Partial Least Square Regression, Shen Ning, Zhao Juan, Yu Jingyang, Xia Shuqin, Zhang Xiaoming, Guo Lei, Su Jiakun, Shao Dengyin, Cai Jibao
Food and Machinery
The Partial Least Square Regression(PLSR) analysis was used to study the influences of routine chemical components, such as total sugar, reducing sugar, nicotine, total nitrogen etc. on cigarette sensory quality. The results showed that there were positive correlations between total sugar, reducing sugar and the ratio of sugar to nicotine and most comfort characteristic. Nicotine, total nitrogen and potassium had negative influences on tobacco comfort characteristics. There were significantly positive correlations between the ratio of potassium to chlorine and irritation or tongue burning, oral coating or oral dryness. There were positive correlations between total sugar, reducing sugar and the ratio …
Study On Dynamic Changes Of Browning And Active Components In Chaenomeles Spiciosa(Sweet) Nakai During Low Temperature Air Drying,
2015
Shandong Analysis and Test Center, Jinan, Shandong 250014, China; Key Laboratory of TCM Quality Control Technology, Jinan, Shandong 250014, China
Study On Dynamic Changes Of Browning And Active Components In Chaenomeles Spiciosa(Sweet) Nakai During Low Temperature Air Drying, Cui Li, Song Shuangshuang, Du Liping, Wang Daijie, Geng Yanling, Wang Xiao
Food and Machinery
In order to evaluate the effects of drying method on the color and active components from Chaenomeles spiciosa(Sweet) Nakai, which was dried under low temperature hot air, then the change law of the chromaticity value, browning enzymes and the contents of some components were determined. The results showed that during the process of drying, there was a close positive relationship between the rate of water loss and the severity of the injured cell membrane, with the correlativity coefficient 0.989, while, there was negative correlation between the peroxidase activity and the severity of the injured cell membrane, with the correlativity coefficient …
Application On Sea Cucumber Cooking EquipmentS Control Based On Bypass Adjustment,
2015
Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200092, China
Application On Sea Cucumber Cooking EquipmentS Control Based On Bypass Adjustment, Ni Jin, Xu Wenqi, Shen Jian
Food and Machinery
Traditional sea cucumber cooking equipments temperature control was fixed value control, and there were a lot of problems such as poor regulating ability, large overshoot and control lag. In order to solving those problems, first of all, steam bypass adjusting system was designed for sea cucumber cooking equipment, in order to realizing cooking temperatures precise control. Secondly, the sea cucumber cooking equipment was converted to an equivalent heat transfer system, and then established its heat transfer computing model and solving strategy. Thirdly, the heat transfer computing model was embedded to control algorithm, temperature perturbation predicted by using heat transfer computing …
Design Of Cigarette Weight Control System Based On Microwave Detecting Technoloty,
2015
Anhui Vocational and Technical College, Hefei, Anhui 230051, China
Design Of Cigarette Weight Control System Based On Microwave Detecting Technoloty, Wang Gongming
Food and Machinery
At present the cigarette weight control system of high-speed cigarette machine is mainly used the techology of nuclear scanning for cigarette weight testing or feedback at home and abroad. The scanning head is used by radioactive material, so there is always exiting the danger of radiation to operators in actual operation system. In addition, recessive instability also existed in the control system. With the microwave detection technology, the energy parameter change caused by cigarettes in the microwave electromagnetic field was used to detect cavity density and moisture content of the tobacco rod. The weight and moisture content of the tobacco …
Design Of Sugarcane Peeling Machine Based On Motion Controller,
2015
Inner Mongolia University for the Nationalities College of Mechanical Engineering College, Tongliao, Inner Mongolia 028000, China
Design Of Sugarcane Peeling Machine Based On Motion Controller, Wu Xiaoqiang, Huang Yunzhan, Zhao Yongjie
Food and Machinery
A kind of sugarcane peeling machine was designed based on motion controller, it can realize the automation of the whole processing of input, peeling and output. The sugarcane feeding and discharging take two sets of agencies. Taking the characteristics of sugarcane into consideration, the elastic sugarcane peeling tool is designed The motion controller was used as the core unit of the control system. Experimental study was carried out, and shows that the design of sugarcane peeling machine is successful with the maximum power of the prototype 1 kW, the maximum diameter 50 mm, the minimum diameter 20 mm. The maximum …
Weight-Reducing Effect Of Onion Peel Extracts On Obese Rats,
2015
Agricultural College, Yanbian University, Yanji, Jilin 133002, China
Weight-Reducing Effect Of Onion Peel Extracts On Obese Rats, Liu Haoming, Pan Yannan, Cui Taihua, Wei Dan, Liang Chengyun, Li Guanhao
Food and Machinery
Investigated the effects of onion peel extracts on weight reduction in obesity rats. The experiment adopted the nutritional obesity model, and selected the tea polyphenol (TP) as a positive control and fed with high-fat diet added 0.57% of tea polyphenol and 1.33% of onion peel extracts. Research studied the influence of onion peel extracts on body weights, Lee’s indexes, food intake and food utilization rate of the rats, and further evaluated weight-reducing capacity of onion peel extracts according to above parameters. The results showed that onion peel extracts could decrease the body weight significantly by restraining fat cell dilated and …
