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Articles 5521 - 5550 of 12361

Full-Text Articles in Food Science

Effects Of 50:50 Proportion Bull:Cow Blend Levels And Incorporation Of Finely Textured Beef On The Color Of Precooked Ground Beef Patties, Colton Allen Althaber Dec 2019

Effects Of 50:50 Proportion Bull:Cow Blend Levels And Incorporation Of Finely Textured Beef On The Color Of Precooked Ground Beef Patties, Colton Allen Althaber

Graduate Theses and Dissertations

Variation in internal cooked color of ground beef is an economic concern for the ground beef market. Persistent pink color in hamburger patties can lead consumers to the perception of an undercooked product. Therefore, the objective of this study was to characterize the effects of bull:cow blend proportions, with or without finely textured beef (FTB), and cookery method on internal color of precooked ground beef patties. Batches (9.1 kg) of 85% lean ground beef were manufactured with 0, 33, 67, or 100% 50:50 bull:cow blend (remainder of lean was 100, 67, 33, or 0% Select-grade knuckles, respectively) mixed with 2 …

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Evaluating The Efficacy Of Whole Cooked Enriched Egg In Modulating Health-Beneficial Biological Activities, Emerson Nolasco Dec 2019

Evaluating The Efficacy Of Whole Cooked Enriched Egg In Modulating Health-Beneficial Biological Activities, Emerson Nolasco

Department of Food Science and Technology: Dissertations, Theses, and Student Research

The whole egg is known as nutritious food in the human diet with a wide reach due to its accessibility. It’s highly bioavailable proteins and dietary compounds, and their health-beneficial properties make the egg a potential functional food. Still, little is known about how the production and processing methods can modulate its potential health-beneficial properties. To attend the knowledge gaps, the study established objectives look to evaluate the effect of the hen breed, egg enrichment, and cooking methods. The hen breed and egg enrichment maintained overall the egg quality. Confirming the capacity of the egg industry of improving the egg …

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The Physicochemical Properties Of Soy Protein Hydrolysate And Its Formulation And Stability With Encapsulated Probiotic, John Stricklin Edwards Dec 2019

The Physicochemical Properties Of Soy Protein Hydrolysate And Its Formulation And Stability With Encapsulated Probiotic, John Stricklin Edwards

Graduate Theses and Dissertations

Soy protein isolate (SPI) and probiotics can serve as a functional ingredient and beneficial supplement, respectively, to food formulations, but few studies focus on the compatibility of these two ingredients. The objective of this study was to prepare soy protein isolate (SPI) from defatted soybean flour and identify an optimal hydrolysis protocol to create soy protein hydrolysates (SPH) with improved solubility and functional properties and achieve an optimum encapsulation technique for probiotics and to determine the in vitro viability of encapsulated probiotic cells with SPH in a gastrointestinal environment. The SPI was prepared using an alkaline extraction procedure for solubility …

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An Evaluation Of Hybrid Traits, Yield, And Major Qtl Effect On Heterosis In Hybrid Soft Red Winter Wheat, Zachary James Winn Dec 2019

An Evaluation Of Hybrid Traits, Yield, And Major Qtl Effect On Heterosis In Hybrid Soft Red Winter Wheat, Zachary James Winn

Graduate Theses and Dissertations

Wheat (Triticum aestivum L.) is a self-pollinating species that is most often bred as a recombinant inbred line. When two inbred individuals are crossed, they produce progeny which experience heterosis; heterosis is the increased robustness experienced due to the reintroduction of heterozygosity. Hybrid wheat may be produced through the use of chemical hybridization agents, yet the structure of wheat flowers decreases the efficiency of outcrossing. The objectives of this study were to: assess the amount of heterosis experienced by a population of hybrid wheat and observe the effect of major gene loci on yield and yield components, phenotype anthers extruded …

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Production Of Biscuits By Substitution With Different Ratios Of Yellow Pea Flour, Jikai Zhao, Xin Liu, Xiang Bai, Fengcheng Wang Dec 2019

Production Of Biscuits By Substitution With Different Ratios Of Yellow Pea Flour, Jikai Zhao, Xin Liu, Xiang Bai, Fengcheng Wang

School of Earth, Environmental, & Marine Sciences Faculty Publications

To promote the commercialization of yellow pea flour (YPF) due to its nutritional benefits. Four biscuits with different YPF ratio (10%–50%) were conducted to explore the optimal addition percentage. The effects of YPF on the rheological and baking performance of biscuits were performed. The results showed that the substitution ratio of YPF and milling methods had a critical impact on the rheological properties of dough. The dough stability decreased gradually while a softening degree increased with YPF ratio increased. In a term of biscuits, the dimensions of length (L), width (W), thickness (T) and color (L*) of biscuits reduced as …

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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 Nov 2019

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.

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Effect Of Dry Heat Treatment On Emulsifying Properties Of Insoluble Soybean Fiber, Zhao Xiujie, Huang Lihua, Luo Huainan, Cai Yongjian, Zhao Mouming, Zhao Qiangzhong Nov 2019

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 …

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Effect Of Different Emulsifiers And Bubble-Retaining Type Liquid Shortening On Batter And Baking Characteristics Of Sponge Cake, Zou Qibo, Wang Jiabao, Chen Cheng, Liang Liting, Cao Weichao, Chen Junmin, Huang Weining, Akihiro Ogawa Nov 2019

Effect Of Different Emulsifiers And Bubble-Retaining Type Liquid Shortening On Batter And Baking Characteristics Of Sponge Cake, Zou Qibo, Wang Jiabao, Chen Cheng, Liang Liting, Cao Weichao, Chen Junmin, Huang Weining, Akihiro Ogawa

Food and Machinery

The effects of monoglyceride emulsifier and sucrose ester emulsifier combined with bubble-retaining type liquid shortening on batter and baking characteristics of sponge cake were studied. The results showed that compared with the cake containing only the monoglyceride type emulsifier, the density of the batter containing the sucrose ester type emulsifier combined with the bubble-retaining type liquid shortening decreased, the viscosity and surface tension of cake batter increased, and stability of cake batter was improved. The cake specific volume was 4.01 mL/g, compared with the cake containing only the monoglyceride type emulsifier, the specific volume of the sponge cake containing the …

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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 Nov 2019

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 …

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Investigation On The Characteristics Of The Activity Of Potato Lipid Acyl Hydrolase, Wu Qiaoyu, Xu Shannan, Weng Qin, Yang Danlu, Gong Shengxiang, Zhang Wei, Wu Jinhong, Wang Zhengwu Nov 2019

Investigation On The Characteristics Of The Activity Of Potato Lipid Acyl Hydrolase, Wu Qiaoyu, Xu Shannan, Weng Qin, Yang Danlu, Gong Shengxiang, Zhang Wei, Wu Jinhong, Wang Zhengwu

Food and Machinery

In this paper, the Patatin protein was extracted from potato fruit juice, and the enzymatic properties of Patatin protein as ester acyl hydrolase were studied using p-nitrophenyl acetate as the substrate. The results showed that the lipid acyl hydrolase had the highest activity at 37 ℃, and had thermal stability at 40～50 ℃. The enzyme was inactivated after treatment at 70 ℃ for 120 min. The optimal pH of lipid acyl hydrolase was 8.2. The lipase activity was activated by Fe2+, Fe3+ and Mg2+ , inhibited by K+ and Ca2+ . In addition, low …

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Physicochemical And Functional Properties Of Resistant Starch From Castanopsis Carlesi, Xie Tao, Tang Yalu, Liu Yanlan, Li Xiaowen, Liu Yongle, Yi Cuiping Nov 2019

Physicochemical And Functional Properties Of Resistant Starch From Castanopsis Carlesi, Xie Tao, Tang Yalu, Liu Yanlan, Li Xiaowen, Liu Yongle, Yi Cuiping

Food and Machinery

Using native starch (NS) of Castanopsis carlesi as the control, the properties of two kinds of resistant starch (RS) were studied, including in vitro digestible, structural, paste and probiotic. Results: Compared with C. carlesi NS, both HMT RS (RS sample made by heat-moisture treatment) and AH-HMT RS (RS sample made by a combination of acid hydrolysis and heat-moisture treatments) were the low glycemic index food additives, their RS contents increased significantly. B-type crystal in either HMT RS or AH-HMT RS was dominated, and their average degree of polymerizations (DPs) reduced. As for microstructure, the former presented the rule layer structure, …

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Study On Nutritional Evaluation Of Rice Protein Based On Modified Ahp And Grey Correlation Analysis, Xiao Ke, Su Donglin, Li Zhijian, Shang Xuebo Nov 2019

Study On Nutritional Evaluation Of Rice Protein Based On Modified Ahp And Grey Correlation Analysis, Xiao Ke, Su Donglin, Li Zhijian, Shang Xuebo

Food and Machinery

The protein and amino acid composition of 24 rice samples from 8 late indica varieties in three production bases were determined. With FAO/WHO provisional pattern of amino acids as reference, a comprehensive evaluation model for rice protein was established by combining modified analytic hierarchy process (AHP) with grey correlation analysis, and the feasibility of the evaluation model in evaluating the nutritional value of protein was verified. The results showed that the quality of rice protein was significantly different among different bases and varieties (P<0.05). The correlation coefficient r of the weighted grey correlation method with PER and NPR was 0.959 (P=0.003) and 0.974 (P=0.001) respectively. The results demonstrate that the weighted grey correlation degree is highly correlated with biological indexes of protein quality, which can characterize the nutritional quality of rice protein scientifically and effectively.

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Study On Sensitivity Of Esterase From Chrysemys And Tupaiabelangeri To Some Organophosphorus And Carbamate Pesticide, Song Yanfei, Chen Xianggui, Xiang Juncheng, Wang Wei, Yin Pengfei, Yang Xiao Nov 2019

Study On Sensitivity Of Esterase From Chrysemys And Tupaiabelangeri To Some Organophosphorus And Carbamate Pesticide, Song Yanfei, Chen Xianggui, Xiang Juncheng, Wang Wei, Yin Pengfei, Yang Xiao

Food and Machinery

The esterase activity of Chrysemyswas determined by Ellman method, and the indole acetate was used as substrate to determine the esterase activity of Tupaiabelangeri. The optimum reaction conditions were determined by orthogonal array design.and the inhibition effects of several specific enzyme inhibitors were compared; The enzyme inhibition method was used to investigated the sensitivity of esterase form Chrysemyse and Tupaiabelangeri to organophosphorus and carbamate pesticides. The optimum conditions of esterase activity determination of Chrysemys were: incubation temperature 35 ℃, incubation time 15 min, buffer pH 7.5; The optimum conditions of esterase activity determination of Tupaiabelangeri were: incubation temperature 25 ℃, …

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Determination Of Polycyclic Aromatic Hydrocarbons By Mspe-Hplc-Uv-Based On Covalent Organic Frameworks, Hu Biqing, Ye Jia, Li Qianlian, Pang Jie, Yan Zhiming Nov 2019

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 …

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Determination Of Anilazine In Tomatoes And Cucumbers By Lc-Ms/Ms, Chen Jingchun Nov 2019

Determination Of Anilazine In Tomatoes And Cucumbers By Lc-Ms/Ms, Chen Jingchun

Food and Machinery

Purified by solid phase extraction column, using C18 column as separation column and formic water-acetonitrile as flow phase for gradient elution, qualitative and quantitative analysis of characteristic ions of target compounds were detected by LC-MS/MS in MRM mode. Results, this method was in the linear range of 0.1～10.0 μg/mL, linear correlation coefficient of ＞0.999 0, the detection limit of the method was 0.01 mg/kg, and the quantitative limit was 0.03 mg/kg. At the spiking levels of 0.03, 0.10, and 0.50 mg/kg, the recovery rate of the method was 88.3%～95.0%, with RSD was 5.2%～8.8%. The method has the advantages of …

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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 Nov 2019

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 …

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Identification Of Staining In Cigarette Sources Based On Atr-Ftir Technology, Du He, Li Xiaobo, Ma Jun, Zheng Meiling, Shu Yunbo, Zhang Junsong Nov 2019

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 …

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Feasibility Study On Ubiquitous Network In The Field Of Food Safety——Taking The Construction Of Ubiquitous Food Safety Network As An Example, Zhang Hao Nov 2019

Feasibility Study On Ubiquitous Network In The Field Of Food Safety——Taking The Construction Of Ubiquitous Food Safety Network As An Example, Zhang Hao

Food and Machinery

This paper analyzed the current situation of food safety in China, and then put forward the idea of constructing ubiquitous food safety network in view of the outstanding problems faced at present, and through the integration of new technologies, designed the ubiquitous food safety network system architecture. The results show that the construction of ubiquitous food safety network can solve many problems such as information asymmetry faced by consumers, enterprises and regulators, which can further improve the level of food safety management in China, and has important reference significance for promoting the application of emerging technology industries in China.

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Mechanical Characteristics Analysis Of Face Pitting Damage On Helical Gear, Wu Dan, Zhang Limei, Zhao Huibo, Qi Bing, Lu Min Nov 2019

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 …

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Design And Analysis Of Radio Frequency Dryer For Small Particles (Containing Powder), Ling Zhengzheng, Ren Guangyue, Duan Xu, Lu Yingjie, Chen Xi Nov 2019

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. …

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Multi-Axis Control Mode Of Reciprocating High-Speed Pillow Packing Machine, Lin Panzhong, Sun Beibei, Lang Wenchang Nov 2019

Multi-Axis Control Mode Of Reciprocating High-Speed Pillow Packing Machine, Lin Panzhong, Sun Beibei, Lang Wenchang

Food and Machinery

The control mode of motion controller in combination of PLC is adopted to realize the synchronous control of motion axis and the precise control of sealing temperature, and the parameter setting and operation status display of reciprocating pillow packing machine system are realized through touch screen. The system is applied to the prototype of the double-end reciprocating high-speed pillow packing machine, which can improve its packaging precision and speed and simplify the servo arrangement.

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Study On Preservation For Raw Meat From Antibacterial Composite Membrane With By Chitosan-Based Nano-Zinc Oxide-Clove Oil, Fang Dandan, Wang Liqiang Nov 2019

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 …

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The Local Food Packaging Under The Concept Of Local Feelings Tends To Be More Designed And Expressed, Chen Qinxue Nov 2019

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.

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The Value And Design Principle Of Fun In The Packaging Of Leisure Foods, Xue Xiaoguang Nov 2019

The Value And Design Principle Of Fun In The Packaging Of Leisure Foods, Xue Xiaoguang

Food and Machinery

The interesting system of the packaging is novel in creativity, unique in shape, full of emotion, and is an exaggeration method, a bionic method and a anthropomorphic method. The method of decoration is its main method of expression, which has the functions of stimulating the purchase desire, satisfying the emotional demand, expanding the brand awareness, and improving the product identification. Therefore, it is necessary to pay attention to practicality, individuation, interaction and innovation in the direction of design principles.

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Application And Design Of Natural Packaging Materials In Food Packaging, Li Jihong Nov 2019

Application And Design Of Natural Packaging Materials In Food Packaging, Li Jihong

Food and Machinery

In view of the shortcomings and problems of food packaging materials such as plastics, paper, metal, etc., the development trend of reduction, simplification, light weight, non-toxic and harmless of food packaging materials was reviewed, and the application range of natural packaging materials in food packaging was pointed out. Moreover, the aesthetic value of natural packaging materials was revealed, and the selection principle and application principle of natural packaging materials were put forward, providing a reference for the maximum application of natural packaging materials in food packaging design.

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Effect Of 3-O-Caffeoylquinic Acid On 5-Hydroxymethylfurfural Formation And Color In Dried Fruits, Zhou Kangning, Zheng Jie, Ou Shiyi, Pei Kehan Nov 2019

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 …

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Effects Of Lactobacillus Paracasei Klds.Lp T1610 On The Quality Of Kouwan Lao, Fei Peng, Bi Xue, Jiang Yujun, Liu Yuexin, Li Jianjun, Zhou Lianxin, Guo Ling Nov 2019

Effects Of Lactobacillus Paracasei Klds.Lp T1610 On The Quality Of Kouwan Lao, Fei Peng, Bi Xue, Jiang Yujun, Liu Yuexin, Li Jianjun, Zhou Lianxin, Guo Ling

Food and Machinery

The effects of Lactobacillus paracasei KLDS.LP T1610 on sensory evaluation, pH, titration acidity, texture properties and viable count of lactic acid bacteria were analyzed. The traditional Kouwan Lao (group A) and Kouwan Lao added with ordinary starter (L. bulgaricus∶Streptococcus thermophilus=1∶1, group B) were used as control groups. The results showed that the sensory score of the C group was significantly higher than that of the control groups, with significant decrease of the pH value , while the titration acidity significantly increased. The textural profile analysis indicated that L. paracei KLDS.LP T1610 had no significant effects on the elasticity and chewing …

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Effects Of Potassium Sorbate And Sodium Pyrosulfite On Storage Quality Of Choerospondias Axillaris Peel Pulp In Different Temperature, Wang Risi, Chu Beibei, Ling Huashan, Chen Mingshun, Chen Jun, Liu Chengmei, Liu Jiyan Nov 2019

Effects Of Potassium Sorbate And Sodium Pyrosulfite On Storage Quality Of Choerospondias Axillaris Peel Pulp In Different Temperature, Wang Risi, Chu Beibei, Ling Huashan, Chen Mingshun, Chen Jun, Liu Chengmei, Liu Jiyan

Food and Machinery

The effects of preservative (potassium sorbate or sodium pyrosulfite) on storage quality such as total colony number, colour L* value, polyphenol content, DPPH radical scavenging activity and pH of Choerospondias axillaris peel pulp at 4, 25 and 35 ℃ were first studied. The results showed that 0.050% potassium sorbate and 0.015%~0.050% sodium pyrosulfite could effectively inhibit the growth of microorganism. 0.015% sodium pyrosulfite had a good color protection effect during the pulping process and early storage stage of the pulp, but there was no significant difference between 0.015% sodium pyrosulfite and 0.050% potassium sorbate was found, when the storage time …

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Effect Of Different Wall Materials On Physicochemical Properties Of Microcapsules With High Loading Pumpkin Seed Oil, Zhang Cuncun, Yuan Jifeng, Tan Zhichao, Xu Honggao Nov 2019

Effect Of Different Wall Materials On Physicochemical Properties Of Microcapsules With High Loading Pumpkin Seed Oil, Zhang Cuncun, Yuan Jifeng, Tan Zhichao, Xu Honggao

Food and Machinery

To develop 50% loaded pumpkin seed oil microcapsules, using spray drying technology, with higher stabilities, the amount of surface oil and peroxide value of dispersion oil, during accelerated shelf life test, were selected as criteria for optimizing the composition of wall materials. The sodium caseinate and sodium starch octenyl succinate were tested as the main components of wall materials. Other antioxidants (sodium ascorbate, ascorbic acid and D-sodium erythorbate) and emulsifies (soybean phospholipid, mono- and diglycerides of fatty acids) were also applied and tested for the stability of pumpkin seed oil microcapsules. Polydextrose, a stuffing bulking agent, was also tested for …

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Effects Of Red Ginseng Extracts Irradiated With 60Co-Γ On Type 1 Diabetes Mice, Qi Xin, Cui Chengbi, Jin Liying, Jiang Xin, Zhang Lu Nov 2019

Effects Of Red Ginseng Extracts Irradiated With 60Co-Γ On Type 1 Diabetes Mice, Qi Xin, Cui Chengbi, Jin Liying, Jiang Xin, Zhang Lu

Food and Machinery

In order to probe the effects of red ginseng extracts irradiated with 60Co-γ, the mice model of type I diabetes mellitus was induced by streptozotocin (STZ). The body weight and fasting blood glucose of mice were measured regularly during the experiments. After 30 days’ test, blood samples, which were collected from eyeball and glycosylated hemoglobin (HbAlc), were measured. Total cholesterol (TC) and triglyceride (TG) levels in serum were determined and analyzed. The organs of the heart, liver, spleen and kidney were dissected and the organ coefficients were measured. Results showed that the fasting blood glucose level of mice group …

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