Analyses Of Formation Condition And Composition Of Candied Sweet Potato White Spot,
2016
Biotechnology Research Center, Hunan Academy of Agricultural Sciences, Changsha， Hunan 410125, China
Analyses Of Formation Condition And Composition Of Candied Sweet Potato White Spot, Chen Jingping, Wang Keqin, Wu Xiaofen, Chen Liang, Hu Die, Qi Hui
Food and Machinery
In order to explore chemical composition and the causes of candied sweet potato white spot under different conditions, the composition were analyzed by scanning electron microscopy, fourier transform infrared spectroscopy and ion chromatography, and the case of produced white spot of candied sweet potato in different storage were also studied. The results showed that the reducing sugar and total sugar contents of candied sweet potato white spot were 636.76 mg/g and 961.34 mg/g, respectively. Mainly the sugar composed of galactose, glucose, fructose and galacturonic acid. After storage 150 d at 25 ℃, it was found that nitrogen packing most conducive …
Mechanism And Inhibitory Effect Of P-Hydroxybenzoic Acid On Anthracnose In Postharvest Citrus,
2016
Citrus Research Institute, Southwest University, Chongqing 400712, China
Mechanism And Inhibitory Effect Of P-Hydroxybenzoic Acid On Anthracnose In Postharvest Citrus, Huang Xiaolan, Ge Zhixing, Wang Rikui, He Mingyang, Han Leng, Zhou Lian
Food and Machinery
To explore the antifungal activity and potential mechanism of p-Hydroxybenzoic acid against Colletotrichum gloeosporioides in postharvest Citrus. The addition of p-HBA in-vitro and in-vivo was conducted to test the inhibitory effect. Dynamic changes of peroxidase (POD), polyphenoloxidase(PPO), Superoxide Dismutase (SOD), Ammonia-lyase (PAL)activity and the content of Malondialdehyde(MDA) with different treatment was studied in postharvest citrus. p-HBA displayed strong antifungal activity to C.gloeosporioides，when the concentration was higher, the effect was increased. The value of EC50 is 0.056 mg/mL. The activities of PPO, POD, SOD and PAL were increased when inoculated with p-HBA and C.gloeosporioides, while the content of MDA was …
Study On Inhibiting Effect On Egg Hatching In Grain Storage By Using Microwave Irradiation,
2016
Food Science and Engineering College, Qingdao Agricultural University, Qingdao, Shandong 266109, China; Qingdao Key Lab of Modern Agricultural Quality and Safety Engineering, Qingdao, Shandong 266109, China
Study On Inhibiting Effect On Egg Hatching In Grain Storage By Using Microwave Irradiation, Liu Jinguang, Xiong Xubo, Wang Shiqing, Zhang Yan, Jiang Wenli
Food and Machinery
In order to solve the pollution problems of chemical fumigation pest which commonly used in grain storage currently, based on the principle of thermal physics, microwave irradiation was used to inhibit egg hatching in grain. Through changing the microwave power and irradiation time, the relationship between the factors including microwave properties, grain temperature and grain vigor, and hatchability of eggs were found. The results showed that the effect depth of microwave was 7-10 cm, and the best time of irradiation was 90 s at 1 kW and 60 s at 2 kW, with no change on the grain appearance. Moreover, …
Design And Energy-Saving Effect Analysis Of Intelligent Fresh-Keeping System Of Puree Draft Beer,
2016
School of Energy and Power Engineering, Shandong University, Jinan, Shandong 250061, China
Design And Energy-Saving Effect Analysis Of Intelligent Fresh-Keeping System Of Puree Draft Beer, Duan Lian, Han Jitian, Huang Huaqi, Cheng Xianyao, Song Bo, Guo Fangquan, Xu Zaixian
Food and Machinery
The design procedures for the intelligent fresh-keeping system of puree draft beer, including the cylinder body, refrigeration, gas supplying, and intelligent control units were present in this study. The system we designed here could greatly prolong the preservation time and ensure the quality of puree draft beer. The performance of the system was evaluated along with the analysis of energy-saving effect.
Optimization On Ultrasonic-Microwave Combined Extraction Of Gypenosides And Synergetic Effect Analysis,
2016
College of Environmental Science and Engineering, Anhui Normal University, Wuhu, Anhui 241003, China
Optimization On Ultrasonic-Microwave Combined Extraction Of Gypenosides And Synergetic Effect Analysis, Cheng Yiqun, Zhang Fan, Zhou Shoubiao, He Rongrong, Ji Hangyan, Huang Yi, Ji Yali, Chen Chunhua
Food and Machinery
Optimization on ultrasonic-microwave combined extraction of gypenosides, and the analysis on the synergistic effect between ultrasonic and microwave, were studied. The optimal extraction condition of gypenosides was obtained by response surface methodology. Four factors effect on the yield of gypenosides such as microwave power, microwave processing time, extraction temperature and extraction time were investigated. The synergistic effect of ultrasonic and microwave was analyzed by the yield of gypenosides under different extraction conditions. The optimal extraction condition of gypenosides by ultrasonic-microwave was ultrasonic open (50 W), microwave power at 613 W, microwave processing for 145 s, extraction temperature at 62.0 ℃, …
Effect Of Water Extract From Flos Chrysanthemi Indici On Heat Tolerance Of Drosophila Melanogaster,
2016
School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
Effect Of Water Extract From Flos Chrysanthemi Indici On Heat Tolerance Of Drosophila Melanogaster, Zheng Yixin, Li Yijun, Lin Pu, Kong Xiangjia, Xie Yong
Food and Machinery
In order to investigate the effect of water extract from Flos Chrysanthemi Indici (WE-FCI) on the heat tolerance of organism, drosophila melanogaster was feed with 1%, 3%, 5%, 7% WE-FCI, respectively, to conduct heat exposure test and heat acclimatization test. The results showed: In heat exposure test, WE-FCI could significantly prolong the median lethal time (LT50)、the average survival time (T)and the maximum survival time (Tmax) of female drosophila melanogaster, which were compared to HE-control group; When the concentration of WE-FCI was ≥3%, it would improve the heat tolerance of male drosophila melanogaster. Under heat acclimatization …
The Study Of Rough Flavones Components Extracted From The Rape Bee Pollen,
2016
Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, Hunan 410205, China; School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
The Study Of Rough Flavones Components Extracted From The Rape Bee Pollen, Wang Mansheng, Zeng Xinan, Xiong Xiayu, Dai Qiuzhong
Food and Machinery
In order to clarify the flavonoids compositions of rape bee pollen and evaluate the assisted extraction effect for pulsed electric field (PEF), the ethanol extract of rape bee pollen and its acidolysis component were analyzed in detail by the method of TLC—DPPH and HPLC in this paper. The results showed that the quercetin and kaempferol in the ethanol extract of rape bee pollen could not be detected for their low contents. However, a large number of quercetin and kaempferol were generated after the acidolysis of ethanol extract, and this implied that the flavonoids compositions of rape bee pollen mainly existed …
Optimization On Ultrasound-Assisted Extraction Process Of Crude Polysaccharide From Bulbil,
2016
College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China; National Engineering Laboratory for Rice and By-product Deep Processing, Changsha 410004, China
Optimization On Ultrasound-Assisted Extraction Process Of Crude Polysaccharide From Bulbil, Ren Jiali, Huang Rengui, Li Zhonghai
Food and Machinery
Response surface analysis was proposed to optimize the ultrasound-assisted extraction process of crude polysaccharides from bulbils. The effects of solid-liquid ratio, ultrasonic power and extraction time on crude polysaccharide yield were investigated by single factor experiments. Response surface analysis was carried out by using the crude polysaccharide yield as response value and the box Behnken method to design the experiments. The optimum extraction conditions were obtained as follows: solid-liquid ratio, 18∶1 (mL/g), ultrasonic power, 760 W; extraction time, 23 min and the crude polysaccharides yield could be up to 60.68%, which agreed with the predicted value (the relative error is …
Optimization Of Microwave-Assisted Extraction Of Polysaccharide From Fortunella Margarita (Lour.) Swingle And Its Antibacterial Effect,
2016
College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujia 350002, China;Fujian Prov-incial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fuzhou, Fujian 350002, China
Optimization Of Microwave-Assisted Extraction Of Polysaccharide From Fortunella Margarita (Lour.) Swingle And Its Antibacterial Effect, Zeng Hongliang, Huang Cancan, Chang Qing, Xu Wenyan, Zhang Yi, Zheng Baodong
Food and Machinery
In order to investigate the optimum technology of microwave-assisted extraction of polysaccharide from Fortunella margarita (Lour.) Swingle and its antibacterial abilities, the effects of single factors on the yield of polysaccharide were evaluated in this paper. On the basis of these single factor experiments, the extraction technology was optimized by response surface methodology, and then its antibacterial effect was studied. The results showed that the optimum technology conditions were as follows: microwave power of 460 W, microwave time of 8.4 min, ratio of water volume to raw material weight (W/M ratio) of 38 mL/g and particle size of 60 mesh …
Optimization Of Ultrasonic Assisted Cellulase Extraction Process Of Pleurotus Ostreatus Polysaccharide By Uniform Design,
2016
College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xian, Shaanxi 710119, China
Optimization Of Ultrasonic Assisted Cellulase Extraction Process Of Pleurotus Ostreatus Polysaccharide By Uniform Design, Zhang Xiao, Zhu Caiping, Deng Hong, Li Yun, Zhang Yang, Hu Changyao
Food and Machinery
The Ultraction-cellulase synergistic extraction process of pleurotus ostreatus polysaccharide (POP) was optimized by uniform design method. Extraction temperature, pH, solvent/material ratio, cellulase dosage, enzymolysis time, ultrasonic power and ultrasonic time were selected to carry out the single factor tests. According to the experimental results, better levels of these factors were chosen to implement the U18 (95×62) mixed uniform design experiment to optimize the technology. The effects of the seven single factors as well as their interactions on the POP yield were investigated. The optimal process parameters were predicted and verified by using regression analysis. The …
The Optimization Of Ultrasonic Assisted Extraction Of Pigment From Peanut Skin,
2016
Wuhan Institute of Design and Sciences, School of food and Biotechnology, Wuhan, Hubei 430205, China
The Optimization Of Ultrasonic Assisted Extraction Of Pigment From Peanut Skin, Luo Xuan, He Jing
Food and Machinery
Using the response surface method, the process conditions of ultrasonic-asssisted extraction peanut red pigment from the peanuts red skin was optimized. Based on the single factor experiment, Plackett-Burman experiment design and the steepest ascent experiment, with peanut red pigment comprehensive extraction effect value as a response, using the response surface method studied the factors and their interactions of peanuts red pigment extraction effect, the prediction model was established. The results showed that the optimun conditions for ultrasonic assisted extraction of peanut red pigment are as follows: ethanol as solvent, ethanol concentration 68%, solid-liquid ratio 1∶30 (g/mL), working at 55 ℃ …
Optimization On Ultrasound-Assisted Extraction Of Polyphenols From Red-Flesh Apple By Response Surface Methodology,
2016
College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, Shaanxi 710062, China
Optimization On Ultrasound-Assisted Extraction Of Polyphenols From Red-Flesh Apple By Response Surface Methodology, Qi Na, Li Han, Zhang Zhiyu, Deng Hong, Hu Yan, Guo Yurong, Meng Yonghong
Food and Machinery
[Objective] Response surface methodology was used to optimize the extraction process condition of polyphenols from red-flesh apple with ultrasonic assistance. [Method] Using the red-flesh apple of XINJIANG as material, on the basis of single-factor experiment, four factors, inclouding extraction time, ultrasonic power, extraction temperature and ratio of material-to-liquid were chosed to design the experiment with response surface method. With Box-Behnken design and response surface analysis, the optimum extracting conditions of polyphenols from red-flesh apple were determined. [Result] The optimal process parameters of polyphenol extraction were determined and they were as follows: extraction time and temperature were 20 min and 62 …
Influence Of Enzymatic Extrusion Of Corn Starch On Preparation Of Isomalto-Oligosaccharides,
2016
The State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Influence Of Enzymatic Extrusion Of Corn Starch On Preparation Of Isomalto-Oligosaccharides, Ge Jie, Wu Chunsen, Wang Ying, Wang Ren, Jin Zhengyu, Xu Xueming, Jiao Aiquan, Zhou Xing
Food and Machinery
The treatment of corn starch by adding enzyme extrusion technology as material to produce isomalto-oligosaccharide. With the sum content of isomaltose (IG2), panose (P) and maltotriose (IG3) as the yield index of isomalto-oligosaccharide, the parameters were optimized by orthogonal experiment, and the optimum processes for production of ismalto-oligosaccharide from corn starch with enzymatic extrusion were as followed: the extrusion temperature 95 ℃, the water content 45%, and the amount of enzyme 0.8%. And the yield of the ismalto-oligosaccharide with the highest yield could reach over 35%.
Preparation And Characters Of Edible Film From Soy Protein Isolate,
2016
School of Biotechnology and Food Engineering, Suzhou University, Suzhou, Anhui 234000, China
Preparation And Characters Of Edible Film From Soy Protein Isolate, Dong Zeng, Sun Pengpeng, Wang Haichao, Gao Guizhen, Cao Wengen
Food and Machinery
The new biomaterials were produced by soy protein isolate (SPI) as base material. The effects of film property such as film integrity, thickness, light transmittance, water soluble, water vapor permeability (WVP) and oil permeability (PO) were investigated by film forming conditions included SPI content, ethanol content, plasticizer (glycerol), reducing agents (Na2SO3), temperature, pH value of film-forming reagent and medium. With more addition of SPI concentration between 2% to 6%, it was more likely to form film, while the thickness, WVP, and PO of films increased and the film became dark. With no more than 2% addition …
Effect Of Different Drying Methods On Sensory Quality Of Upper Flue-Cured Tobacco Leaves,
2016
Technology Center, China Tobacco Guangdong Industrial Co., Ltd., Guangzhou, Guangdong 510385, China
Effect Of Different Drying Methods On Sensory Quality Of Upper Flue-Cured Tobacco Leaves, Li Dan, Li Huanwei, Zhao Reifeng, Ye Rongfei, Luo Fuming
Food and Machinery
Effects of five different drying methods on sensory quality of upper flue-cured tobacco leaves were investigated. The flavor notes, aroma characteristics, smoke characteristics and taste characteristics (containing 21 subindices) of cigarette were measured. The positive and negative indicators were also analyzed to evaluate the sensory quality of upper flue-cured tobacco leaves with different drying methods. The results indicated that (1) casing proeess could significantly improve the sensory quality of upper flue-cured tobacco leaves; (2) The sensory quality subindices of upper flue-cured tobacco leaves significantly affected by drying method, partially relating to the pretreatment intensity and process complexity. The drum drying …
Functional Analysis And Evaluation On Commercially Available Enzyme Food,
2016
College of Horticulture and Landscape, Hunan Agricultural University, Changsha, Hunan 410128, China; State Key Laboratory of Subhealth Intervention Technology, Changsha, Hunan 410128, China
Functional Analysis And Evaluation On Commercially Available Enzyme Food, Zhang Si, Wang Lei, Zhang Zhixu, Yang Jiguo, Ren Jie, Liu Dongbo
Food and Machinery
UV spectrophotometric, titration and HPLC method were used to test the scavenging ability of DPPH, superoxide anion and hydroxyl radical, the activities of lipase, amylase and the number of organic acid of 16 kinds of enzymes in market. Further, the corresponding evaluation system was established. The results showed that the enzymes have strong free radical scavenging ability, nearly 1~2 times of 20 μg/mL Vc, a certain lipase and amylase activity and 3~7 kinds of organic acids. Therefore, enzyme foods have good antioxidant capacity, digestive function and intestinal flora regulation.
Study On Sourdough Bread,
2016
School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Study On Sourdough Bread, Wang Li, Yu Yafang, Qian Haifeng, Zhang Hui, Qi Xiguang
Food and Machinery
The sourdough and its main microorganism, together with the preparation technology, properties and research status of this kind of bread both domestic and overseas, were introduced in the paper, hoping to provide a new clue for its development and promotion. Finally, a possible development tendency of sourdough bread was also forecasted.
Electronic Nose Technology And Its Application On Tea,
2016
Department of Mechanical and Electronic Engineering, Ningde Vocational and Technical College, Fuan, Fujian 355000, China
Electronic Nose Technology And Its Application On Tea, Pan Yucheng, Song Lili, Ye Naixing, Pan Yuhua
Food and Machinery
The basic principle and structure of the electronic nose was introduced in this paper. Moreover, the application of electronic nose in the quality evaluation of tea, the classification of varieties, the detection of components etc were also reviewed. Finally, it was summarized that the problems existed in the application of electronic nose in tea, and then the future development direction was prospected for its in-depth study.
Status Of Nondestructive Detection Methods On Chilled Pork Freshness And Prospect Of Thz Spectrum Inspection Technique,
2016
Mechanical and Electronic Engineering School, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; Center for Analysis and Testing, Nanjing Normal University, Nanjing, Jiangsu 210046, China
Status Of Nondestructive Detection Methods On Chilled Pork Freshness And Prospect Of Thz Spectrum Inspection Technique, Qi Liang, Zhao Jie, Zhao Maocheng
Food and Machinery
This essay summarizes the application of visible/near infrared spectroscopy, electronic nose, electronic tongue, machine vision and multi-sensor fusion techniques in detecting chilled pork freshness rapidly and nondestructively. The feasibility of THz spectroscopy analysis method used in nondestructively detecting pork freshness attributes is predicted and analyzed by molecular spectroscopy combined with chemometrics.
A Review About The Adsorption And Sustained Release Of Traditional Chinese Medicine Or Plant Active Components By Activated Carbon Nanoparticles,
2016
College of Materials Science and Engineering of Central South University of Forestry and Technology, Changsha, Hunan 410004, China
A Review About The Adsorption And Sustained Release Of Traditional Chinese Medicine Or Plant Active Components By Activated Carbon Nanoparticles, Zeng Zhaoyan, Li Xiangzhou, Zhang Sheng, Huang Dan
Food and Machinery
This review made a summary of the functions and types of activated carbon nanoparticles for sustained drug delivery system. The physical and chemical properties of activated carbon nanoparticles as the carrier of natural extractives and medicine were reviewed. The research progresses in activated carbon nanoparticles as the carrier of traditional Chinese medicine or natural extractives from plants have been summaried. The technical bottleneck in preparation and utilization of activated carbon nanoparticles as the active ingredient sustained-release were also analyzed.
