A Survey Of Green Walnut Processing And Complete Sets Of Equipment Between The United States And China,
2019
Agricultural Mechanization Institute, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang 830091, China; Xinjiang Research Center of Equipment for Characteristic Woods Fruit, Urumqi, Xinjiang 830091, China
A Survey Of Green Walnut Processing And Complete Sets Of Equipment Between The United States And China, Yang Zhongqiang, Yan Shengkun, Cui Kuanbo, Wang Qinghui, Sun Lina, Abulizi Basiti
Food and Machinery
The development of walnut processing technology and complete set of equipments is the premise and basis of walnut industrialization processing. Processing of green walnut peeling, cleaning and drying and other key technology and complete set of equipments developing condition had been introduced in this paper, which had respectively compared on the green walnut processing technology and equipments between United States and China. Problems of green walnut processing in our country and the prospect of processing green walnuthad been put forward, which provide the basis for green walnut processing, and the development of mechanical equipment and complete sets of equipment.
Research On Food Safety Supervision Of Internet Ordering,
2019
Party School of the CPC Henan Provincial Committee, Zhengzhou, Henan 451000, China
Research On Food Safety Supervision Of Internet Ordering, Xu Hang
Food and Machinery
The particularities of Internet food safety supervision, including platform participation, business concealment, complex distribution, lagging law and backward mode, resulted in the problems of poor integration of resources of supervision departments, reduction of illegal cost of business safety, inadequate supervision of third-party food ordering platform, high cost of safeguarding rights and obtaining evidence. We should actively explore the government, ordering platform, industry associations, news media, consumers as one of the social co-governance mode of Internet ordering food safety supervision, and build a new pattern of Internet ordering food safety supervision.
Quick Determination Of 3-Methyl-Quinoxaline-2-Carboxylic Acid Residues In Animal-Derived Food By Alkali Hydrolysis-Solid Phase Extraction-Liquid Chromatography-Tandem Mass Spectrometry,
2019
Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test, Wuhan, Hubei 430075, China
Quick Determination Of 3-Methyl-Quinoxaline-2-Carboxylic Acid Residues In Animal-Derived Food By Alkali Hydrolysis-Solid Phase Extraction-Liquid Chromatography-Tandem Mass Spectrometry, Liu Di, Han Li, Zeng Ni, Yu Tingting, Wang Heng, Wang Bin, Rong Mao
Food and Machinery
A rapid quasi-deterministic quantitative method for the determination of 3-methyl-quinoxaline-2-carboxylic acid (MQCA) residues in olaquindox metabolites of animal-derived foods was developed, by using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The sample tissue was extracted by alkaline hydrolysis to extract MQCA, purified by anion solid phase extraction column, and detected by LC-MS/MS, and then quantified by internal standard method. The results showed that MQCA had a good linear relationship in the concentration range of 0.5～50.0 ng/mL, and the correlation coefficient was 0.999 7. The detection limit of MQCA was 0.1 μg/kg. The recovery rate was 95.6%～108.2% at the addition level of 0.1, …
Effects Of Bio-Preservation Liquid Combined With Vacuum Packaging On The Preservation Of Mackerel,
2019
Fuqing Branch of Fujian Normal University, Fuqing, Fujian 350300, China; Fujian Universities and Colleges Engineering Research Center of Soft Plastic Packaging Technology for Food, Fuqing, Fujian 350300, China; Fujian Universities and Colleges Engineering
Effects Of Bio-Preservation Liquid Combined With Vacuum Packaging On The Preservation Of Mackerel, Ouyang Rui, Wang Zhihui, Li Lipeng, Su Yuhang, Xiang Leiwen, Shi Yuande
Food and Machinery
Taking the volatile base nitrogen as the index, and the addition amount of tea polyphenol, chitosan and nisin as the single factor, the optimal formula of the composite biological preservation liquid was determined by the response surface method optimization, and the effect of vacuum packaging compound bio-preservation liquid on the mackerel was studied, simultaneously. The results showed that the compound preservative prepared by 0.22 g/L tea polyphenol, 5.00 g/L chitosan and 0.35 g/L nisin had the best effect on fresh-keeping of mackerel at -4 ℃. Compared with control groups of the composite biological preservation liquid and the distilled water control …
Optimization Of Different Extraction Processes Of Sour Jujube Juice And Study On Its Antioxidant Activity,
2019
School of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China
Optimization Of Different Extraction Processes Of Sour Jujube Juice And Study On Its Antioxidant Activity, Shi Liqi, Zhang Yanqing, Qi Wuqin, Wang Qing, Xie Junbo
Food and Machinery
The effect of three different methods, including ultrasonic extraction，enzymatic extraction and ultrasound-assisted enzymatic extraction, and the extraction of sour jujube juice was optimized. Moreover, the total phenol, total sugar content and antioxidant activity of the extracts were compared. The response surface method was used to optimize the extraction process, and the antioxidant activity of jujube juice was evaluated by ABTS scavenging, DPPH scavenging and hydroxyl radical scavenging test. The results demonstrated that under the control of the optimal conditions, the extraction rates of ultrasonic method, enzymatic method and ultrasonic-assisted enzymatic hydrolysis were 67.37%, 69.47% and 74.49%. The optimal ultrasonic-assisted enzymatic …
Application Of Healthy Grains And Its Products In Dairy Processing,
2019
Jimei University, College of Food and Biological Engineering, Xiamen, Fujian 361021, China;Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
Application Of Healthy Grains And Its Products In Dairy Processing, Zan Xuemei, Liu Ming, Meng Ning, Liu Yanxiang, Tan Bin, Liu Yixiang, Ni Hui
Food and Machinery
This paper summarizes the processing technology and characteristics of healthy cereals and their products, introduces the application progress of healthy cereals and their products in dairy processing field, and further discusses the problems and development direction in the development of healthy cereals and dairy products in China.
Regulation Mechanism Of Glucose Homeostasis By Dietary Polyphenols: A Review,
2019
Sericultural and Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong 510610, China; Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Academy of Agricultural Sciences, Guang
Regulation Mechanism Of Glucose Homeostasis By Dietary Polyphenols: A Review, Wang Chen, Long Xiaoshan, Zou Yuxiao, Li Qian, Hu Tenggen, Li Erna, Shen Weizhi, Liu Fan
Food and Machinery
It is widely accepted that glucose homeostasis is of great importance for vital activity. Dietary polyphenols take part in the regulation of glucose homeostasis through inhibiting activities of digestive enzymes for carbohydrates and glucose transporting, improving insulin resistance, etc. This paper reviewed the compounds and distribution of dietary polyphenols, and their glucose homeostasis regulation activities and correlated mechanism. And also provide outlook for the future research highlights of dietary polyphenols.
Effects Of Malondialdehyde Oxidation On Structure And Functional Properties Of Seeds-Watermelon Seed Protein,
2019
School of Bioengineering and Food, Hubei University of Technology, Wuhan, Hubei 430000, China
Effects Of Malondialdehyde Oxidation On Structure And Functional Properties Of Seeds-Watermelon Seed Protein, Gao Jin, Manonose Tariroupenyu, Li Zhihao, Wang Ping, Yu Xiongwei, Li Shugang
Food and Machinery
This study used seeds-watermelon seed protein as research object, and the effects of lipid per oxidation product, Malondialdehyde (MDA) on its structure and gelling properties were investigated by means of circular dichroism spectroscopy and texture analyzer etc. The results showed that the surface hydrophobicity of seeds-watermelon seed protein decreased from 10 229 to 2 459, and the β-sheet content in the secondary structure increased, and the irregular curl content decreased; the oxidation of MDA made the gelling strength of seeds-watermelon seed protein gradually deteriorate, the water-holding capacity first decreased and then increased, and the oil-holding trend was opposite; when the …
Effect Of Dry Heat Treatment On Emulsifying Properties Of Insoluble Soybean Fiber,
2019
School of Food Science and Technology, South China University of Technology, Guangzhou, Guangdong 510640, China
Effect Of Dry Heat Treatment On Emulsifying Properties Of Insoluble Soybean Fiber, Zhao Xiujie, Huang Lihua, Luo Huainan, Cai Yongjian, Zhao Mouming, Zhao Qiangzhong
Food and Machinery
Different treatments of alkali (AK), heating alkali (HA), alkali heating (AH), and alkali twin-screw extrusion (AT) were employed to prepare insoluble soybean fiber (ISF) from defatted okara. The effect of dry heat treatment on the emulsifying properties of ISF was studied by the O/W emulsions prepared by self-made ISF. The ζ-potential of ISF emulsions sorted by magnitude were AH-ISF＞AK-ISF＞AT-ISF＞HA-ISF, and the storage modulus (G′) were AT-ISF＞AH-ISF＞HA-ISF＞AK-ISF. Four kinds of emulsions all exhibited shear-thinning properties, and tanδ of the dry heat treated ISF emulsions were less than 1. During emulsion storage. AK-ISF was found to have the largest increasing ranges in …
Texture And Rheological Properties Of Compourd System Of Tara Gum And Xanthan Gum,
2019
Tianjin Key Laboratory of Food Biotechnology, Tianjin 300134, China; College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China
Texture And Rheological Properties Of Compourd System Of Tara Gum And Xanthan Gum, Niu Haijia, Liu Aiguo, Liu Lizeng, Gao Xiaoxiayue, Wang Pengcheng, Qiang Feng
Food and Machinery
The TG and XTG with a total concentration of 1% were compounded according to different quality ratios. Then the gel properties and rheological properties of the compound system were determined by the texture analyzer and the rheometer, and flow curves were analyzed by using Carreau model. the forming mechanism of compound system network was analyzed by scanning electron microscopy(SEM). The texture analysis indicated that the maximum gel strength was obtained when TG/XTG quality ratio was 6∶4, Moreover, there was the maximum G’ in frequency scanning and temperature scanning. As a result, the best compound quality ratio between TG and XTG …
Determination Of Polycyclic Aromatic Hydrocarbons By Mspe-Hplc-Uv-Based On Covalent Organic Frameworks,
2019
College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350000, China
Determination Of Polycyclic Aromatic Hydrocarbons By Mspe-Hplc-Uv-Based On Covalent Organic Frameworks, Hu Biqing, Ye Jia, Li Qianlian, Pang Jie, Yan Zhiming
Food and Machinery
A novel magnetic covalent organic framework (Fe3O4@COF-SCU1) was prepared via a facile method, and was used for the magnetic solid phase extraction (MSPE) of eight polycyclic aromatic hydrocarbons (PAHs) from dahongpao tea soup, which were analyzed by high performance liquid chromatography-UV (HPLC-UV). Fe3O4@COF-SCU1 was characterized by electron scanning microscope, electron transmission microscope, X-ray diffraction, nitrogen isothermal adsorption and desorption, and Fourier transform infrared. In this experiment, the composition of Fe3O4@COF-SCU1, the adsorption and elution conditions of MSPE were systematically optimized, and the qualitative and quantitative analysis method of …
Non-Destructive Identification Of The Storage Quality Of Paddy Using Nearinfrared Spectroscopy With Neighborhood Rough Set Algorithm,
2019
Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
Non-Destructive Identification Of The Storage Quality Of Paddy Using Nearinfrared Spectroscopy With Neighborhood Rough Set Algorithm, Yang Dong, Chang Qing, Yuan Jianghao, Cao Yang, Zhao Huiyi
Food and Machinery
In order to quickly and accurately detect the status of paddy during storage, the near infrared (NIR) technique was used to establish classification models for identifying the storage quality of paddy. The NIR data of 285 samples in the range of 1 000～1 800 nm were collected. Based on the measured fatty acid, the storage state of the sample was divided into three categories (good storage quality, moderate storage quality obviously tending to decline, and poor storage quality). The optimal 10 wavelengths were selected by neighborhood rough set (NRS) algorithm. The best classification model was established by the combination of …
Identification Of Staining In Cigarette Sources Based On Atr-Ftir Technology,
2019
School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450000, China
Identification Of Staining In Cigarette Sources Based On Atr-Ftir Technology, Du He, Li Xiaobo, Ma Jun, Zheng Meiling, Shu Yunbo, Zhang Junsong
Food and Machinery
The spectrum of self-made staining in cigarette and actual staining in cigarette spots were collected by attenuated (ATR-FTIR). Through the methods of intuitive comparison, database retrieval and similarity calculation, the sources of cigarette pollution were analyzed. And the Bootstrap method was used to set the similarity threshold, and the identification model of the staining in cigarette pollution source was established. The results showed that the method could verify the correct rate of the sample with 100%, and realize the qualitative analysis of the source of the staining in cigarette pollution. The method has good precision and reproducibility, and the RSD …
Mechanical Characteristics Analysis Of Face Pitting Damage On Helical Gear,
2019
School of Materials Science and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China
Mechanical Characteristics Analysis Of Face Pitting Damage On Helical Gear, Wu Dan, Zhang Limei, Zhao Huibo, Qi Bing, Lu Min
Food and Machinery
In order to study the influence of face pitting damage on helical gear, the helical gears on the secondary deceleration system was taken as an object and the geometric model of gears were built and assembled by SolidWorks. Using the finite element software Workbench, the meshing position of gears set surface contact, and the mechanical properties of intact and damaged gears were analyzed. Next, the analyses of variance were done including the factors of the driving wheel speed and the number of pitting corrosion. The results showed that the rotational speed and pitting damage had a certain influence on the …
Design And Analysis Of Radio Frequency Dryer For Small Particles (Containing Powder),
2019
College of Food and Biological Engineering Henan University of Science and Technology, Luoyang, Henan 471023, China
Design And Analysis Of Radio Frequency Dryer For Small Particles (Containing Powder), Ling Zhengzheng, Ren Guangyue, Duan Xu, Lu Yingjie, Chen Xi
Food and Machinery
In view of the simple drying method of small granular (powder) materials, low heat utilization rate and ineffective guarantee of the quality of dry products, a pilot-scale radio frequency dryer for small granular (powder) materials was designed by using radio frequency heating technology. The device consistd of a heating system and a conveying system. The heating system mainly comprised an RF generator and a finned heating tube. The main conveying part of the conveying system was a conveyor belt. At the same time, in order to ensure the uniformity of RF drying, a material thickness limiting device was also designed. …
Study On Preservation For Raw Meat From Antibacterial Composite Membrane With By Chitosan-Based Nano-Zinc Oxide-Clove Oil,
2019
Department of Packaging Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
Study On Preservation For Raw Meat From Antibacterial Composite Membrane With By Chitosan-Based Nano-Zinc Oxide-Clove Oil, Fang Dandan, Wang Liqiang
Food and Machinery
Nano-zinc oxide is a kind of inorganic antibacterial agent, which had good antibacterial effect and didn’t produce drug resistance. Clove oil is a kind of natural antibacterial agent with spectral antibacterial properties and non-toxic health. In this paper, chitosan and konjac glucomannan were used as the film-forming substrates, two kinds of antibacterial agent were added to the biomass composite membrane. The antibacterial rate of the composite membrane against Escherichia coli and Staphylococcus aureus was 99.78% and 99.06%, respectively. The film had a strong antibacterial effect. The results of infrared spectroscopy indicated that the chitosan functional group and the phenol group …
Analysis Of Children's Food Packaging Image And Color Preferences Based On Cognitive Psychology,
2019
College of Fine Arts, Capital Normal University, Beijing 100028, China
Analysis Of Children's Food Packaging Image And Color Preferences Based On Cognitive Psychology, Huang Lu
Food and Machinery
The rules of the development of modern children's cognitive psychology were expounded and the development characteristics of cognitive psychology and artistic performance of children aged 3~12 years were analyzed combined with the actual research results. After obtaining the children's preference for food packaging in terms of image and color, some suggestions on how packaging design could satisfy children's purchasing emotional and psychological needs were given, from both image and color according to children's physical and mental development characteristics.
The Local Food Packaging Under The Concept Of Local Feelings Tends To Be More Designed And Expressed,
2019
Research Center of Chinese Village Cultures, Central South University, Changsha, Hunan 410083, China
The Local Food Packaging Under The Concept Of Local Feelings Tends To Be More Designed And Expressed, Chen Qinxue
Food and Machinery
Aiming at the phenomenon of lack of local feelings in the current local food packaging, it was proposed that the packaging design needed to thoroughly investigate and analyze the local cultural resources, and fully reflect the local feelings in terms of regionality, simplicity and originality in the form of multi-dimensional expression. The idea was to meet people's demands for their feelings. This design concept should become the future trend of local food packaging design, which is more conducive to the sustainable development of local food.
Effect Of 3-O-Caffeoylquinic Acid On 5-Hydroxymethylfurfural Formation And Color In Dried Fruits,
2019
Department of Food Science and Engineering, Jinan University, Guangzhou, Guangdong 510632, China
Effect Of 3-O-Caffeoylquinic Acid On 5-Hydroxymethylfurfural Formation And Color In Dried Fruits, Zhou Kangning, Zheng Jie, Ou Shiyi, Pei Kehan
Food and Machinery
This research is aimed to investigate the effect of 3-O-caffeoylquinic acid (3-CQA) on 5-hydroxymethylfurfural (5-HMF) formation and color parameters during drying of four kinds of fruit crisps (apple, pear, apricot and plum). Results showed that the amount and composition of carbohydrate caused that different fruits produced different amount of 5-HMF: plum＞apricot＞apple＞pear. Soaking of fruit crisps with 3-CQA significantly increased the 5-HMF formation and HMF content is positively related to soaking and drying time. 3-CQA also promoted the browning during fruit drying via decreasing L* but increasing C* values. However, blanching decreased the formation of 5-HMF and the browning …
Effects Of Three Kinds Of Preservatives And Their Complexation On The Refrigerated Quality Of Rainbow Trout,
2019
Sichuan Technology and Business College, Dujiangyan, Sichuan 611830, China
Effects Of Three Kinds Of Preservatives And Their Complexation On The Refrigerated Quality Of Rainbow Trout, Shen Qiuxia, Li Mingyuan, Zhu Keyong, Qian Yang, Xu Tongtong, Wu Lichuan, Yuan Yang
Food and Machinery
To research the effects of tea polyphenol, chitosan and lemon juice on the quality of refrigerated rainbow trout fillets stored at 4 ℃, the fresh-keeping effects were listed as follows: sensory, total volatile basic nitrogen (TVB-N) value and total viable counts. The ratio of the three preservatives was optimized by single factor and response surface methodology. The results showed that the three preservatives inhibited the sensory evaluation, TVB-N value and total viable counts of the fillets compared with the control group during storage. The fresh-keeping effects were as follows: chitosan>tea polyphenol>lemon juice. There was a significant interaction between …
