Detection Of Potato External Quality Based On Hyperspectral Technology,
2016
College of Engineering, South China Argricultural University, Guangzhou, Guangdong 510642, China
Detection Of Potato External Quality Based On Hyperspectral Technology, Deng Jianmeng, Wang Hongjun, Li Zouzou, Li Yuanhong
Food and Machinery
In order to detect the external quality of potato quickly, the hyperspectral imaging technology was used. Potato with germination and other three kinds of common defects were studied. The partial least-squares discriminant model were built after different pretreatment methods for spectral data processing. The results showed that pretreatment method of SNV was the best. 13 and 9 feature bands were selected after using successive projections algorithm (SPA) and weighted weight method (WWM) for spectral data preprocessed. The support vector machine (SVM) discriminant model were established for both SPA and WWM. Our results also showed that the two methods to predict …
Preparation Ofα-Glucosidase Inhibitory Peptides Derived From Ginkgo Biloba By Enzymatic Method,
2016
College of Light Industry Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
Preparation Ofα-Glucosidase Inhibitory Peptides Derived From Ginkgo Biloba By Enzymatic Method, Zhang Can, Wu Caie, Fan Gongjian, Li Tingting, Wang Jiahong, Gong Hao, Cao Fuliang
Food and Machinery
The preparation of α-glucosidase inhibitory peptides was gotten, which was derived from ginkgo biloba by enzymatic hydrolysis with papain. A factorial design experiment was conducted, while, the effects of concentration of substrate, pH, E/S ratio, extraction temperature and time were studied. And then, it was fractioned by using membrane ultrafiltration with molecular weight cutoffs of 100, 50, 30, 10 and 3 kDa. The results showed: with the concentration of substrate 1.5%, pH 7.36, E/S ratio of 5 g/100 g, temperature of 57.9 ℃ and extraction time of 4.4 h, the inhibitory activities ofα-glucosidase was the highest, and reached 17.18%. The …
Research And Development Of Functional Properties In Pueraria,
2016
Longping Branch Graduate School, Central South University, Changsha, Hunan 410125, China
Research And Development Of Functional Properties In Pueraria, Liang Jie, Li Lin, Tang Hanjun
Food and Machinery
Summarized the functional properties and application of pueraria in the food industry, and analyzed the exploitation, research and problems of the kudzu as a dry crop resource. It was helpful for high efficiency development and level improvement in technology and industry development of pueraria application.
The Research Progress On Near Infrared Spectroscopic In The Non-Destructive Detection Ofthe Quality Of Edible Oil,
2016
Zhangzhou City University, Zhangzhou, Fujian 363000, China
The Research Progress On Near Infrared Spectroscopic In The Non-Destructive Detection Ofthe Quality Of Edible Oil, Li Juan, Liang Shuyu
Food and Machinery
The Near infrared spectroscopy analysis technique, with the characteristics of high efficiency and speediness, non-destructiveness, environmentally friendliness and easiness to operation, has developed fast in the past few years and is widely used in quality identification of agricultural products. In this paper, it was summarized and prospected the application progress in many aspects, such as the detections of physicochemical index of edible oil, chemical changes during frying, adulterated oils, and the kinds of edible oil by using Near Infrared Spectroscopy analysis technique and chemometrics in recent years. This review provided the direction and basis for the further analyses of edible …
Transformation Of Criminal Law Regulation On Food Safety Of China In The Risk Society,
2016
Inner Mongolia Radio and TV University, Hohhot, Inner Mongolia 010011, China
Transformation Of Criminal Law Regulation On Food Safety Of China In The Risk Society, Liu Lizhen, Huo Jianping
Food and Machinery
The frequent occurrence of food safety in modern society is the typical performance of risk society in the field of food. Under the risk society, due to the ongoing and expansion of food safety risk, people's special requirements for food safety, as well as prevention based traditional criminal law regulation is insufficient to ensure the food safety, the measures must be done, for expanding the food safety law adjustment range, paying attention to the restoration norms of criminal law and adhereing to the principle of modesty etc.. All these can contribute to the smooth transition of China's food safety regulation …
Studies On Volatile Oil Extracting Process Optimization By Supercritical Co2 And Analysis By Gc—Ms Of Allium Mongolicum Regel Flowers,
2016
Yulin University, Yulin, Shaanxi 719000, China; Yulin Key Laboratory of Deep Processing of Agricultural products, Yulin, Shaanxi 719000, China
Studies On Volatile Oil Extracting Process Optimization By Supercritical Co2 And Analysis By Gc—Ms Of Allium Mongolicum Regel Flowers, Wen Junfeng, Liu Xia, Gao Liguo, Li Rui
Food and Machinery
The volatile oil from the Allium mongolicum Regel flowers by supercritical-CO2 fluid extraction(SFE) was optimized using response surface methodology(RSM)，and the volatile oil was identified by GC—MS. The effects of the extraction pressure, extraction temperature, extraction time on the yield of volatile oil were investigated by a three-factor and three-level Box-Behnken central composite design with the extraction rate as the response value. The results showed that the optimum conditions for the extraction of Allium mongolicum Regel flower oil were as follows: extracting temperature 39 ℃, pressure 29 MPa, time 1.2 h, CO2 flux 20 L/ h. Under such condition, …
Optimization On Ultra High Pressure Extraction Process Of Mussel Polysaccharide Based Artificial Neural Network,
2016
Department of Biological and Food Engineering, Bengbu University, Bengbu, Anhui 233030, China
Optimization On Ultra High Pressure Extraction Process Of Mussel Polysaccharide Based Artificial Neural Network, Zhang Bin, Sun Lanping, Shi Ying, Tu Kang
Food and Machinery
Based on the raw materials of mussel meat after taking out the pearl, ultra high pressure is used to extract mussel polysaccharide. The response surface experimental design was used to get the training samples for the neutral network, while the sophisticated neutral network was used for training and stimulating, analyzing extraction factors (pressure strength, solid- liquid ratio and pressure holding time), the interaction between the factors that affected the extraction rate of mussel polysaccharide, and optimizing the ultra high pressure extraction process of mussel polysaccharide. The results showed that artificial neutral network optimization was more accurate than response surface method …
Procedure Optimization On Extraction Of Jujube Polysaccharide With Enzyme-Microwave,
2016
The College of Energy Resources of YinChuan, Yinchuan, Ningxia 750105，China
Procedure Optimization On Extraction Of Jujube Polysaccharide With Enzyme-Microwave, Zhang Lizhi, Feng Na
Food and Machinery
The polysaccharide from Lingwu Jujube was extracted using enzyme-microwave method. Moreover, the influence factors of polysaccharide extraction were studied, i.e. the enzyme concentr-ation, the hydrolysis time, the material ratio, the microwave power, and the treatment time, and then the optimum extraction condition were finally determined through orthogonal test. The results showed that the jujube polysaccharide could be extracted with high efficiency by combining the utilization of 1.5% trypsin (pH 8.0, hydrolyzing for 2.0 h) with the microwave (under the medium fire for 5 min), controlling the material ratio at 1∶20 (mass ratio).
Effect Of Core Browning And Storage Fresh-Keeping On Huangguan Pear By Low-Power Microwave Treatment,
2016
Institute of Tea and Food Science Technology in AnHui Agricultural University, Hefei, Anhui 230036, China
Effect Of Core Browning And Storage Fresh-Keeping On Huangguan Pear By Low-Power Microwave Treatment, Guo Yanming, Dong Ming, Zhang Linyu, Wu Xiaocong, Zhang Shuyuan, Jin Wenping
Food and Machinery
With a low-power microwave treatment on Huangguan pear fruits, different levels of low-power microwave treatment on fruit storage quality and the influence of the core browning were studied. Through the determinations of total phenols, polyphenol oxidase (PPO), malondialdehyde (MDA), DPPH in Huangguan pear core and ethylene, respiration intensity, hardness in storage period, the optimal treating conditions were gotten. Under the condition of 0～2 ℃ refrigerating, compared with the control group, the low energy microwave treatment group could keep the fruits of high hardness, delay the reduce of soluble solids, reduce the respiration intensity of fruit, and delay the ethylene peak …
Study On Extraction Of Essential Oil From Lysimachia Foenum-Graecum Hance And Its Preservation Effect On Longan,
2016
Department of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, Yongzhou, Hunan 425199, China
Study On Extraction Of Essential Oil From Lysimachia Foenum-Graecum Hance And Its Preservation Effect On Longan, Yan Xuyu, Li Ling, Chen Ting, Wu Yuanjiao
Food and Machinery
Essential oil was extracted from Lysimachia foenum-graecum Hance using steam distillation method. The extraction conditions of essential oil were optimized by orthogonal experimental design, and its preservation on longan was studied. The results showed that the optimum extraction technology were: the concentration of sodium chloride 4%, the distilling time was 6 h, and the solid-liquid ratio of 1∶10 (g/mL). Under the condition, the extraction rate of essential oil reached 0.167 2%. The preservation results indicated: the antibacterial effects of 4 treatments, the content of Vitamin C and soluble solid decreased gradually, and weight loss and corruption rate of longan increased …
Effect Of Hemp Seed And Algae Oils Preparation On Blood Lipid-Lowering And Antioxidant Activities For Mixed Hyperlipidemia Rats,
2016
Hubei Provincial Traditional Chinese Medicine Hospital, Wuhan, Hubei 430074, China
Effect Of Hemp Seed And Algae Oils Preparation On Blood Lipid-Lowering And Antioxidant Activities For Mixed Hyperlipidemia Rats, Bai Chuanming, Li Li
Food and Machinery
Objective: The effects of hemp seed and algae oils preparation on blood lipid-lowering and antioxidant activity of mixed hyperlipidemia rats were investigated in this study. 50 rats were randomly divided into 5 groups, i.e., the blank control group, model control group, hemp seed oil and algal oil preparation low dose group (170 mg/kg), medium dose group (340 mg/kg) and high dose group (510 mg/kg). Then their weights of , testis fat pad and perirenal fat pad, fat body ratio, and the activities of malondialdehyde (MDA), glutathione (GSH) and superoxide dismutase (SOD) were measured after feeding high fat diet and corresponding …
The Conditions And Methods Of Low Temperature Grain-Storage Technology With Solar Adsorption Refrigeration System,
2016
Shijiazhuang Institute of Railway Technology, Shijiazhuang, Hebei 050041, China
The Conditions And Methods Of Low Temperature Grain-Storage Technology With Solar Adsorption Refrigeration System, Feng Bo
Food and Machinery
In this study, solar powered adsorption refrigeration system was investigated to study its application in storage at low temperature, and the thermal performance of the system has been tested and analyzed. The results showed that at the high temperature in summer season, when the solar refrigeration system was cooled at 12:00~13:00, the solar thermal collector surface radiation intensity is about 3.0 MJ/(m2·d), and the refrigeration power system is about 3.9 kW distribution according to time. Moreover, the it was found that cooling power and low temperature storage required cooling capacity in general. Under the condition of solar radiation …
Study On Irradiation Sterilization And Dose Of Semi-Finished Micropterus Salmoides,
2016
Institute for Farm Products Processing and Nuclear-Agricultural Technology, HuBei Academy of Agricultural Sciences, Wuhan, Hubei 430064, China
Study On Irradiation Sterilization And Dose Of Semi-Finished Micropterus Salmoides, Wang Weiqiong, Xiong Guangquan, Chen Yuxia, Bai Chan, Li Hailan, Zu Xiaoyan
Food and Machinery
In order to regulate the technical conditions of irradiation sterilization for semi-finished Micropterus salmoides (SFMS), we investigated the impacts of irradiation on the microbe quantity, pH value, water holding capacity, color value and volatile components of it in this study, by using different doses ranging from 0.00 to 8.74 kGy of 60Co gamma ray irradiation. The results showed that, with the irradiation of 3.25 kGy, the total bacteria decreased to 10 CFU/g. Moreover, the total bacteria decreased to 250 CFU/g and 10 CFU/g, at the D10 value of 1.54 kGy and 3.64 kGy, respectively. At the range of …
Supercritical Co2 Extraction Of Idesia Polycarpa Oil And Analysis Of Its Fatty Acid Composition,
2016
College of Material Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
Supercritical Co2 Extraction Of Idesia Polycarpa Oil And Analysis Of Its Fatty Acid Composition, Kuang Chuntao, Wu Bin, Tang Hongwei, Xiang Shu, He Jianyang
Food and Machinery
To make full use of Idesia polycarpa resource, the optimum conditions of extracting oil in I. Polycarpa by supercritical CO2 were studied by single factor and Box- Behnken designs, and the fatty acid composition of this oil was analyzed by gas chromatography-mass spectrometry (GC-MS). The results showed that the yield of the oil in I. polycarpa extracted by supercritical CO2 was (38.25±0.41)%, when extracted at 24 MPa and 53 ℃ for 147 min. Moreover, the regression model between yield and influence factors was very significant (P=0.000 9). In addition, the results of GC-MS showed that the total content …
Simultaneous Detection Of Puffiness And Soluble Solids Content For Intact Citrus By Online Spectroscopy,
2016
School of Mechatronics Engineering, Eash China Jiaotong University, Nanchang, Jiangxi 330013, China
Simultaneous Detection Of Puffiness And Soluble Solids Content For Intact Citrus By Online Spectroscopy, Liu Yande, Wu Mingming, Sun Xudong, Zhu Danning
Food and Machinery
Puffy fruit and soluble solid content (SSC) are important indexes for evaluating the quality of citrus. The feasibility was discussed for detecting Puffing disease and SSC of intact citrus simultaneously by online visible-near infrared (visible-NIR) transmittance spectroscopy. The spectra were recorded with the integration time of 100 ms in the wavelength range of 350~1 150 nm when the samples were conveyed at the speed of five samples per second. The feasibility of simultaneous and online detection of puffiness fruit and SSC for intact citrus simultaneously was discussed by visible-near infrared transmittance spectroscopy. The response properties of visible-NIR spectra for normal …
Effect Of Different Solvents On Total Phenolic Content, Total Flavonoid Content And Antioxidant Activity Of Highland Barley,
2016
Department of Food Science and Engineering, Jinan University, Guangzhou, Guangdong 510632, China
Effect Of Different Solvents On Total Phenolic Content, Total Flavonoid Content And Antioxidant Activity Of Highland Barley, Shne Yingbin, Zhang Youwei, Huang Caihuan, Chen Yongsheng, Wang Li, Ou Shiyi, Zhang Hui
Food and Machinery
The objectives of this study were to evaluate total phenolic, total flavonoid content and antioxidant activities of different extraction from three kinds of highland barley. The results showed that 95% ethanol and 60%acetone were better to extract phenolic compounds than other solvents. Total phenolic and total flavonoid contents, antioxidant activities of Zangqing 2000 using different solvents were higher than that of Xunhua and Shangri-la highland barley. Meanwhile, the highest total phenolic content of Zangqing 2000 was 211.92 mg GAE/100 g DW in 60% acetone, the highest total flavonoid content of Zangqing 2000 was 60.11 mg RT/100 g DW in 60% …
Effect Of Handling Cattle In Different Platform Slope On Beef Quality,
2016
College of Animal Science and Technology, Hebei North University, Zhangjiakou, Hebei 075000, China
Effect Of Handling Cattle In Different Platform Slope On Beef Quality, Guo Bing, Wang Haifeng
Food and Machinery
In order to investigate the beef quality changes under handling cattle in different platform slope, Twenty simon tal beef cattle were randomly divided into 4 groups, the cow is respectively loading and unloading through (30,40,50 °) slope, then cattle are slaughtered. The pH value, flesh-colored, drip loss percentage, cooking loss percentage and shear force of postmortem beef were measured respectively. Results showed, with the increase of loading platform slope, pH values, L* value and a* value of postmortem beef significantly decreased (P<0.05), while shear force, b* value, drip loss and cooking loss of postmortem beef significantly increased (P<0.05). This study indicated that beef quality was better through handling cattle in 30 degrees platform slope, and it should be reduced platform slope in cattle actual production thereby improve beef quality.
Study On Extraction Of Honeysuckle Polysaccharide By Internal Boiling Method,
2016
College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China; Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, Neijiang, Sichuan 641100, China
Study On Extraction Of Honeysuckle Polysaccharide By Internal Boiling Method, Li Jianfeng, Li Chen, Liao Limin
Food and Machinery
The internal boiling method was adopted to extract polysaccharides from honeysuckle. The effects of ethanol concentration, extraction temperature and time, and water-solid ratio on the extraction rate of polysaccharides were discussed. The results showed that the extraction rate of polysaccharide reached 12.89%, when the ethanol concentration (v/v) was 20%, with water-soild ratio was 30∶1 (mL/g), at 95 ℃ for 5 min.
Research On The Alcohol Precipitation And Purification Treatment On Tobacco Extracting Solution Of Reconstituted Tobacco By Paper-Making Process,
2016
Institute for Applied Research of Yellow Crane Tower Reconstituted Tobacco, Technology Center of China Tobacco Hubei Industrial Co., Ltd, Wuhan, Hubei 430040, China
Research On The Alcohol Precipitation And Purification Treatment On Tobacco Extracting Solution Of Reconstituted Tobacco By Paper-Making Process, Huang Ming, Yao Jianwu, Yao Yuanjun, Tang Xiangbing
Food and Machinery
A method for papermaking reengineering qualitative alcohol sink tobacco leaf tobacco extract purification processing method was proposed in this study. Tobacco extract was precipited by 95% ethanol after pre-concentration treatment, and then it was centrifuged to remove the impurities, and macromolecular substances without favoring the sensory quality, such as protein and pectin. Moreover, the pre-concentration of solid content was also examined, including the alcohol concentration, alcohol sink factors, and sink time extract, influencing of sensory quality. The results showed that the papermaking method reconstruction tobacco leaf tobacco extract pre-concentration to solid content was 20%, 40% to 95% of the pre-concentrate …
Investigation And Analysis Of Consumption Characteristics And Trend Of Dietary Supplement For The Elderly Person,
2016
School of Public Administration, Central South University, Changsha, Hunan 410083, China
Investigation And Analysis Of Consumption Characteristics And Trend Of Dietary Supplement For The Elderly Person, Che Wenhui, Peng Shuangshuang
Food and Machinery
Through the survey of dietary supplement consumption on 123 elderly people in Yuelu District of Changsha City, showed that the aged person holds reasonable attitude to consume dietary supplement. They are seriously taking care about their health conditions; incline to get the dietary supplement from pharmacy or specialty stores. They always take the affectivity to first consideration when they make choose. While the dietary supplement attracts younger consumers with ordinary income. Such consumers mostly have reasonable opinions to choose the products and recognize the risks in them. Analyzed the significant factors influencing the dietary supplement consumption in aged group, and …
