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The Public Opinion Monitoring, Network Attention And Forecasting The Reference Values Of The Labeled Food Nutrition, Ze-Ying Huang Feb 2023

The Public Opinion Monitoring, Network Attention And Forecasting The Reference Values Of The Labeled Food Nutrition, Ze-Ying Huang

Food and Machinery

Using 1 531 comment data of Sina Weibo and 2 587 of Baidu index data from 2013 to 2020, based on word cloud analysis, text sentiment analysis, and ARIMA-SVM prediction model, based on word cloud analysis, text emotion analysis and ARIMA-SVM prediction model. It was found that residents most concerned about the nutrient reference value of energy, and the nutrient reference value of moon cakes, soy sauce, yuanxiao, milk and other products were more used, especially children's food. In general, the nutrient reference values obtained slightly higher praise, but there were also many controversies; nutrient reference values did not get …


Market Development Status Of Chinese Prepared Food Under The Globalized Epidemic Trends, Pei-Bei Wei, Sui-Jian Qi Feb 2023

Market Development Status Of Chinese Prepared Food Under The Globalized Epidemic Trends, Pei-Bei Wei, Sui-Jian Qi

Food and Machinery

The epidemic situation of new coronavirus infection has become globalized and seemed to be long-term existence, and its prevention and control will become normal. Under the comprehensive situation of resumption of work and production, reopening of school, the intake of sufficient nutrients and the improvement of immunity are personal primary protection against viruses. Prepared foods can be a convenient way to provide dietary nutritious food. Here, we discuss the current situation of the market development of prepared foods in China from the perspective of the human nutrition demand and the convenient supply of dietary nutrients under the long-term trend of …


Effects Of Different Soybean Powder On Farinograph And Gelatinization Characteristics Of Wheat Flour, Jing-Hong Shi, Shu-Wen Guo, Yun-Ling Li, Xiao-Bing Zhu Feb 2023

Effects Of Different Soybean Powder On Farinograph And Gelatinization Characteristics Of Wheat Flour, Jing-Hong Shi, Shu-Wen Guo, Yun-Ling Li, Xiao-Bing Zhu

Food and Machinery

The soybean powder and wheat powder were mixed in different proportions, and the effect of different soybean powder on the farinograph and gelatinization characteristics of wheat powder were analyzed using Mixolab hybrid experiment instrument and rapid viscosity analyzer. The result showed that as the amount of soybean powder added increased, the stabilization time and formation time of the dough reduced, the weakening degree of dough protein increased, and peak viscosity, the trough viscosity, final viscosity, and regenerative value continued to decrease. The C2 value, peak viscosity, trough viscosity, final viscosity, gelatinization temperature and gelatinization time were significantly negatively correlated(P<0.05) with …


Study On The Standardized Method Of Key Supervision Data For Safe Production Of Instant Rice, Xiao-Juan Wu, Dong Xu, Jie Dong, Wei Wu Feb 2023

Study On The Standardized Method Of Key Supervision Data For Safe Production Of Instant Rice, Xiao-Juan Wu, Dong Xu, Jie Dong, Wei Wu

Food and Machinery

The entire industrial chain of instant rice production, including paddy planting, paddy storage, rice processing, instant rice processing, instant rice storage and sales, etc., was analyzed to select the main links and critical control points. The detection objects, main indicators and main hazard factors, such as pollutants, mycotoxins, food additives, microbiological indicators, etc., of important links and critical control points were determined. A relatively complete key supervision database structure for the safe production of instant rice has been gradually formed. The key supervision database for the safe production of instant rice included regulation sets, method sets and data sets. The …


Effects Of Different Organic Acid Impregnating Treatments On The Quality Of Freeze-Dried Apple Slices, Qian-Ju Wang, Ting-Cai Yan, Qiu-Ju Yan, Chun Hua, Feng Zhou, Hai-Ou Wang Feb 2023

Effects Of Different Organic Acid Impregnating Treatments On The Quality Of Freeze-Dried Apple Slices, Qian-Ju Wang, Ting-Cai Yan, Qiu-Ju Yan, Chun Hua, Feng Zhou, Hai-Ou Wang

Food and Machinery

The fresh-cut apple slices were impregnated with different concentrations (1%, 2%, 3% and 4%) of organic acid including citric acid, ascorbic acid, malic acid and acetic acid. The color, yield, rehydration, deformation rate, texture characteris-tics and microscopic pore structure of freeze-dried apple chips were used as indicators to analyze the effect of different acid immersion on the quality of vacuum freeze-dried apple chips. The results showed that the △E value of freeze-dried apple slices treated with citric acid, ascorbic acid and malic acid increased with the increase of acid concentration, with relatively small △E value treated with acetic acid, …


Effect Of Roasting On The Flavor And Quality Of Highland Barely Wine, Hai-Qing Yang, Xi-Yu Peng, Liu-Yang Ren, Ying Lv, Shun-Tang Guo Feb 2023

Effect Of Roasting On The Flavor And Quality Of Highland Barely Wine, Hai-Qing Yang, Xi-Yu Peng, Liu-Yang Ren, Ying Lv, Shun-Tang Guo

Food and Machinery

In this study, highland barley wine was produced with roasted barley to increase the flavor of the wine. Physical-chemical properties such as pH value, total acid, total sugar, alcohol content of the wine and flavor were determined. The evaluations of acidity, sugar content and sensory of the wine were found increased with roasted barley, and roasting improved the variety of flavor substances for the highland barley wine. Nonanal, phenylethyl alcohol, benzeneacetaldehyde and decanal were determined to be the key flavor substances of the four barley wines (ROAV>1). Acetophenone and geranylacetone were found to be the modified compounds to barley wines …


Optimization Of Preparation Technology And Structural Characterization Of Tarragon Essential Oil Nanocapsules, Ying Liang, Hui-Yun Zhang, Huai-Bin Kang Feb 2023

Optimization Of Preparation Technology And Structural Characterization Of Tarragon Essential Oil Nanocapsules, Ying Liang, Hui-Yun Zhang, Huai-Bin Kang

Food and Machinery

Chitosan-tarragon essential oil nanocapsules were prepared by ion gelation method. The effects of the mass ratios of tarragon essential oil to chitosan, pH of chitosan solution, and the mass ratio of sodium tripolyphosphate to chitosan on the encapsulation rate of tarragon essential oil nanocapsules were investigated. Box-Behnken experiment design and response surface analysis were used to optimize the preparation process of nanocapsules, and the quadratic regression model was established. The results showed that the optimum preparation process of tarragon essential oil nanocapsules was the mass ratio of tarragon essential oil to chitosan 2∶1, pH=3.5, and the mass ratio of sodium …


Optimization Of The Inhibition Process Of Non-Enzymatic Browning And Nutrition Preservation In Stanuntonia Chinensis Juice, Lin-Yun Cui, Hong-Bo Lou Feb 2023

Optimization Of The Inhibition Process Of Non-Enzymatic Browning And Nutrition Preservation In Stanuntonia Chinensis Juice, Lin-Yun Cui, Hong-Bo Lou

Food and Machinery

With the inhibition of Non-enzymatic browning in Sta-nuntonia chinensis juice as the main objective, and the nutrition preservation (such as polyphenol preservation rate and ·OH clearance rate) of the juice as the consideration, the response surface method was applied to optimize the process of browning inhibition. First, the plackett-burman (PB) design was applied to screen out three inhibitors with a reliability greater than 95%: L-cysteine, sodium D-isoascorbate and phytic acid. Then, the optimal value range and effects direction were determined by steepest ascent design. Finally, the Box-Behnken Design (BBD) experimental design was used for response surface optimization and the optimal …


Research Progress On The Mechanism Of Dietary Fiber In Regulating Blood Sugar Of Type 2 Diabetes, Yan-Feng Wang, Xi-Hong Yang, Jun-Han Cao, Chang-Feng Qu, Li-Ping Zhang, Jin-Lai Miao, Wan-Cui Xie Feb 2023

Research Progress On The Mechanism Of Dietary Fiber In Regulating Blood Sugar Of Type 2 Diabetes, Yan-Feng Wang, Xi-Hong Yang, Jun-Han Cao, Chang-Feng Qu, Li-Ping Zhang, Jin-Lai Miao, Wan-Cui Xie

Food and Machinery

This article mainly reviews the hypoglycemic effect of dietary fiber on type 2 diabetes-including improving insulin resistance, regulating glucose and lipid metabolism disorders, improving oxidative stress, regulating intestinal flora and stabilizing postprandial blood glucose-delaying glucose absorption and inhibition The digestive enzyme activity was systematically analyzed and summarized from the level of action mechanism, with a view to providing more theoretical basis and reference for the application of dietary fiber in reducing and stabilizing blood glucose of type 2 diabetes.


Advances In Research And Industrial Development Of Plant-Based Cereal Beverage, Ting-Yu Liu, Su-Mei Zhou, Li-Ya Liu, Cui-Ping Yi Feb 2023

Advances In Research And Industrial Development Of Plant-Based Cereal Beverage, Ting-Yu Liu, Su-Mei Zhou, Li-Ya Liu, Cui-Ping Yi

Food and Machinery

In recent years, with the increase of consumer demand for plant-based, vegetarian and convenient food, the researches and development of beverage products from cereals, such as oats and rice et al. were also increased rapidly, different from their traditional use for staple food. In this study, the products and industrial development of plant-based cereal beverages at home and abroad were reviewed. The selection of raw materias, key technology, core problems affecting the product quality and the improvement of techniques during the process of plant-based cereal drinks were elaborated in detail. Finally, the future research and development of plant-based cereal beverages …


Physicochemical And Functional Characterization Of Enzymatic Modification Of Dietary Fiber In Two Edible Fungus, Xi-Ming Yang, Hong-Yan Xu, Chao Wang, Sheng-Nan Li, Xin-Rui Zhao Feb 2023

Physicochemical And Functional Characterization Of Enzymatic Modification Of Dietary Fiber In Two Edible Fungus, Xi-Ming Yang, Hong-Yan Xu, Chao Wang, Sheng-Nan Li, Xin-Rui Zhao

Food and Machinery

In this study, two kinds of edible fungus Sporisorium reilianum and Pleurotus eryngii were used as raw materials. Soluble dietary fiber (S-SDF, P-SDF) and insoluble dietary fiber (S-IDF, P-IDF) were prepared by enzyme-gravimetric method. The physicochemical properties including swelling capacity, water holding capacity and oil holding capacity, and the functional properties including glucose adsorption capacity, sodium cholate adsorption capacity, cholesterol adsorption capacity and glucose dialysis retardation index were measured respectively. Results showed that S-SDF had the strongest swelling force (11.83 mL/g). P-IDF had the strongest water holding capacity (4.55 g/g). P-SDF had the strongest oil holding capacity (3.01 g/g). S-IDF …


Research Progress Of Heat Treatment In Paddy And Rice Storage And Processing, Ping Zong, Yan Wang, Wei-Guo Wu, Jian-Hao Ren, Na Li, Tao Zhou Feb 2023

Research Progress Of Heat Treatment In Paddy And Rice Storage And Processing, Ping Zong, Yan Wang, Wei-Guo Wu, Jian-Hao Ren, Na Li, Tao Zhou

Food and Machinery

The heat treatment methods commonly used in the storage and processing of paddy and rice are introduced in this paper and the effects to insect pests, sterilization, enzymatic inactivation and quality are summarized.Meanwhile, the negative effects of heat treatment on rice quality and some countermeasures are proposed.


Research Advance On The Effects Of Solid-State Biotransformation On The Biological Activity Of Plant Food Processing By-Products, Jia-Xu Chen, Ya-Ping Fu, Yao Gao, Yu Xiao Feb 2023

Research Advance On The Effects Of Solid-State Biotransformation On The Biological Activity Of Plant Food Processing By-Products, Jia-Xu Chen, Ya-Ping Fu, Yao Gao, Yu Xiao

Food and Machinery

Based on the recent reports from domestic and foreign researches, this study elaberated plant food by-products processed by solid-state biotransformation for the enzyme production efficiency and its potential applications. In addition, this study also reviewed solid-state biotransformation on the influence of major biological compounds (e.g., phenolics, flavonoids, polysaccharides etc.) and bio-activities of plant food by-products, and prospected its direction for future development.


Effect Of Refrigerated Storage On Nutritional Composition And Volatile Substances Of Yak Yogurt, Sheng-Sheng Li, Shu-Jie Liu Feb 2023

Effect Of Refrigerated Storage On Nutritional Composition And Volatile Substances Of Yak Yogurt, Sheng-Sheng Li, Shu-Jie Liu

Food and Machinery

The purpose of this study was to investigate the nutritional composition and volatile substances changes of yak yogurt under refrigeration storage. The nutritional composition and volatile substance were measured by amino acid analysis, fatty acid methyl ester method and gas chromatography-mass spectrometry. The results showed that yak yogurt had no significant difference on the contents of protein, fat, lactose and water content (P>0.05) under refrigeration storage. The total amino acid and flavour amino acid of yak yogurt significant increased after 7 d refrigeration storage (P<0.05), and the increased rate were 12.96% and 8.51%, respectively; the amino acids score of yak …


Effect Of Simulated Gastrointestinal Digestion In Vitro On The Antioxidant Activity Of Oyster Oligopeptides, Yong Ma, Li-Hui Gao, Xiao-Wen Feng, Rui-Zeng Gu, Tao Han, Wen-Ying Liu Feb 2023

Effect Of Simulated Gastrointestinal Digestion In Vitro On The Antioxidant Activity Of Oyster Oligopeptides, Yong Ma, Li-Hui Gao, Xiao-Wen Feng, Rui-Zeng Gu, Tao Han, Wen-Ying Liu

Food and Machinery

Oyster oligopeptides were prepared by enzymolysis from shelled oyster meat. The molecular weight distribution, DPPH radical scavenging capacity, hydroxyl free radical (·OH) scavenging capacity, ABTS free radical scavenging capacity and oxygen radical absorption capacity (ORAC) of oyster oligopeptides were compared before and after digestion in vitro. The changes of antioxidant activity of the oligopeptides after digestion in simulated stomach and intestine were explored. The experimental results showed that the relative molecular weight of oyster oligopeptides was mainly under 1 000 Da, and the average molecular weight of pepsin and trypsin decreased by no more than 8.2%; after pepsin and trypsin …


Purification Of Polyphenols From Dendrobium Huoshanense By Macroporous Resin And Its Antioxidant Activity, Ming-Wei Chen, Ming Wei, Liang-Fan Tao, Sen-He Qian Feb 2023

Purification Of Polyphenols From Dendrobium Huoshanense By Macroporous Resin And Its Antioxidant Activity, Ming-Wei Chen, Ming Wei, Liang-Fan Tao, Sen-He Qian

Food and Machinery

In this study, the ideal adsorbent for Dendrobium hu-oshanense polyphenols were obtained, after the comparison test for the adsorption-desorption properties of different types of resins. The purification parameters were optimized by adsorption and desorption tests. The antioxidant activities of polyphenols were evaluated in vitro. The results showed that AB-8 macroporous resin was considered as suitable material for purifying and separating Dendrobium huoshanense polyphenols.And the macroporous resin reached equilibrium within 150 min. The optimal processing parameters were as follows: an initial polyphenol concentration of 2.0 mg/mL, pH 4.0, a flow rate of 1.0 mL/min for feeding and a flow rate of …


Evaluation Of The Brewing Effect Of Ultrafine Green Tea Powder By Simulated In Vitro Digestion, Yao Zhou, Hua-Rong Tong Feb 2023

Evaluation Of The Brewing Effect Of Ultrafine Green Tea Powder By Simulated In Vitro Digestion, Yao Zhou, Hua-Rong Tong

Food and Machinery

The release of various substances before and after in vitro di-gestion of ultrafine green tea powder was measured.The results showed that the release of free amino acids, total phenols, total flavones and most catechins declined during the in vitro digestion of ultrafine green tea powder; caffeine remained un-changed; The release of soluble protein, gallic acid, catechin gallate, gal-locatechin, gallocatechin gallate, and isoquercetin increased. The non-extractable polyphenols were released. Brewing and drinking ultrafine green tea powder are beneficial to improve the comprehensive utilization of tea by the human body.


Study On Nutritional Analysis And Hydrolysis Process Optimization Of Porcine Hemoglobin And Preparation Of Metal Chelating Peptides, Zi-Yi Sun, Jian-Ting Yang, Ning-Ning Xie, Fu-Sheng Zhang Feb 2023

Study On Nutritional Analysis And Hydrolysis Process Optimization Of Porcine Hemoglobin And Preparation Of Metal Chelating Peptides, Zi-Yi Sun, Jian-Ting Yang, Ning-Ning Xie, Fu-Sheng Zhang

Food and Machinery

Taking the porcine haemoglobin as raw material, the basic nutritional indicators and the amino acid composition were detected. Using the hydrolysis degree as the index, the effects of reaction pH, hydrolysis temperature and reaction time were examined. On the basis of single factor experiment, Box-Behnken central composite design was utilized to optimize the hydrolysis process and preparation of metal chelating peptides. Results showed that the porcine haemoglobin has excellent nutritional characteristics and is rich in various amino acids. Moreover,the optimized processing were as followed: pH of 10.69, hydrolysis temperature of 48.50 ℃, hydrolysis time of 6.76 h, substrate concentration of …


Progress On Phytochemicals And Antimicrobial Mechanism Of Cranberry, Xiao-Han Liu, Yuan-Liang Wang Feb 2023

Progress On Phytochemicals And Antimicrobial Mechanism Of Cranberry, Xiao-Han Liu, Yuan-Liang Wang

Food and Machinery

This review summarizes recent studies on the composition and efficacy of phytochemicals contained in cranberry and describes their antimicrobial effects on uropathogenic Escherichia coli, Helicobacter pylori, oral bacteria, and most food-borne pathogens and the mechanism.


Progress In The Study Of Chelate Activity Of Polypeptide Minerals From Different Sources, Yu-Hang Lou, Hong-Yan Xu, Xin-Xiu Xia, Xi-Ming Yang, Chao Wang Feb 2023

Progress In The Study Of Chelate Activity Of Polypeptide Minerals From Different Sources, Yu-Hang Lou, Hong-Yan Xu, Xin-Xiu Xia, Xi-Ming Yang, Chao Wang

Food and Machinery

In this paper, the preparation methods of chelating polypeptides from different sources with the metallic elements, such as calcium, iron, zinc and selenium, as well as the research progress on their antioxidant, antibacterial and immune-enhancing properties were reviewed, and the deficiencies of the existing researches were also analyzed.


Effect Of 4-Hydroxyphenylacetic Acid On M1 Macrophage Polarization And The Formation Of Macrophage-Derived Foam Cells, Yu-Zhe Yang, Tong-Yun Li, Wu Li, Rui-Li Yang Feb 2023

Effect Of 4-Hydroxyphenylacetic Acid On M1 Macrophage Polarization And The Formation Of Macrophage-Derived Foam Cells, Yu-Zhe Yang, Tong-Yun Li, Wu Li, Rui-Li Yang

Food and Machinery

The aim of the present study is to investigate the potential anti-atherogenic effect of 4-hydroxyphenylacetic acid (4-HPAA), a major microbiota-derived metabolite of polyphenols, on macrophagepolarization and the formation of macrophage derived-foam cells as well as the underlying molecular mechanisms. 4-HPAA treatment could-significantly decrease the secretion and mRNA levels of TNF-α, IL-6 and IL-1β of M1 macrophages induced by lipopolysaccharide (LPS) and interferon-γ (IFN-γ),indicating its ability to inhibit the polarization of macrophage cell into pro-inflammatory M1-typemacrophage. The results of oil red O staining revealedthat 4-HPAA significantly inhibited theaccumulation of lipid droplets in a dose-dependent manner compared with the model cells. …


Effects Of Three Methods Of Physical Modification On The Functional Properties Of Rice Protein, Yun-Hui Cheng, Hong-Qing Zhao, Li-Li Zhang, Wei-Xuan Du, Ye Jiao Feb 2023

Effects Of Three Methods Of Physical Modification On The Functional Properties Of Rice Protein, Yun-Hui Cheng, Hong-Qing Zhao, Li-Li Zhang, Wei-Xuan Du, Ye Jiao

Food and Machinery

Rice protein is a kind of high-quality plant protein, and its application in the food industry is restricted due to its low solubility. In this study, the rice protein was modified by heat treatment at different temperature, high pressure microfluidization treatment under different pressure and freezing and grinding at different temperature, and its solubility, emulsifying activity (EA), emulsifying stability, foaming activity (FA) and foaming stability of protein were investigated. After heat treatment at 200 ℃, the solubility of rice protein increased from 4.4% to 17.4%, and EA and FA were 3.2 and 1.9 times as high as the original, respectively. …


The Structure And Physicochemical Properties Of Different Types Of Dietary Fiber, Jun-Guang Li, Xi Jiang, Yun-Tao Wang, Xu-Yang Ma, Yan-Hong Bai Feb 2023

The Structure And Physicochemical Properties Of Different Types Of Dietary Fiber, Jun-Guang Li, Xi Jiang, Yun-Tao Wang, Xu-Yang Ma, Yan-Hong Bai

Food and Machinery

The physicochemical characteristics, including water holding capacity, oil holding capacity, swelling capacity, particle size, solubility, and thermal properties, of chickpea dietary fiber (DF), grape DF, soybean DF and wheat bran DF were evaluated in this study. The structural properties of DFs were characterized by Fourier transform infrared spectrum and scanning electron microscope. The results showed that chickpea DF had the best water holding capacity and oil holding capacity, at 2.45 g/g and 1.97 g/g, respectively. Wheat bran DF had the best swelling capacity (3.18 mL/g). The solubility of four dietary fibers were positively proportional to temperature, among which the solubility …


Optimization Of Natto With Double-Bacteria Mixed Fermentation, Dan-Ni Zheng, Meng-Ying Wang, Yi-Han Hu, Liang-Zhong Liu Feb 2023

Optimization Of Natto With Double-Bacteria Mixed Fermentation, Dan-Ni Zheng, Meng-Ying Wang, Yi-Han Hu, Liang-Zhong Liu

Food and Machinery

In order to optimize the processing technology of natto, improve the flavor of the product, and to explore the effect of double-bacteria mixed fermentation on the quality of natto, two better strains were screened through the ratio of the diameter of the hydrolytic colonies (C/H), growth curve of the strains, nattokinase activity and volatile base nitrogen content. The single-factor and orthogonal experiments were used to optimize the process conditions of the two-bacteria fermentation of natto, with nattokinase activity and volatile base nitrogen content as the indicator. The optimal fermentation process of natto with two strains is the ratio …


Research Progress Of Cryogenic Liquid Quick-Freezing And Its Application In The Processing Of Aquatic Products, Xi Zhao, Xue-Peng Li, Jin-Xiang Wang, Wen-Hui Zhu, Yong-Xia Xu, Jian-Rong Li, Ting-Ting Li, Xiao-Hua Guo Feb 2023

Research Progress Of Cryogenic Liquid Quick-Freezing And Its Application In The Processing Of Aquatic Products, Xi Zhao, Xue-Peng Li, Jin-Xiang Wang, Wen-Hui Zhu, Yong-Xia Xu, Jian-Rong Li, Ting-Ting Li, Xiao-Hua Guo

Food and Machinery

The working principle and technical characteristics of cryogenic liquid quick-freezing technology was introduced in this paper, then the research and development of freezing medium was discussed. The current research status, technical issues and the development trend of the application of cryogenic liquid quick-freezing technology in aquatic products processing was mainly summarized and discussed.


Application Of Microwave Treatment Technology In The Field Of Food Drying, Pan-Pan Liu, Guang-Yue Ren, Xu Duan, Li-Wei Jin, Ying-Min Zhang, Li-Ping Ma Feb 2023

Application Of Microwave Treatment Technology In The Field Of Food Drying, Pan-Pan Liu, Guang-Yue Ren, Xu Duan, Li-Wei Jin, Ying-Min Zhang, Li-Ping Ma

Food and Machinery

Microwave has extremely strong penetrability and highly selective heating of only polar molecules, and its radiation effect can enhance the heat and mass transfer efficiency of moisture in the drying process. Therefore, microwave treatment technology has been widely used in the field of food drying. The mechanism and characteristics of microwave treatment were discussed in this review. Compared with the traditional drying method, the microstructure of materials under microwave treatment has more pores and less collapse, which is conducive to the removal of water, increases the mass transfer rate, reduces the drying energy consumption and improves the storage rate of …


Research Progress On The Extraction Of Natural Astaxanthin From Haematococcus Pluvialis, Yan Li, Jing Gao Feb 2023

Research Progress On The Extraction Of Natural Astaxanthin From Haematococcus Pluvialis, Yan Li, Jing Gao

Food and Machinery

Natural astaxanthin has stronger stability, biological activity and safety than chemically synthesized astaxanthin. Haematococcus pluvia-lis is the most important biological source of natural astaxanthin and more attentions have been paid to the extraction of astaxanthin from H. pluvialis. This work focuses on the development methods of cell-wall disruption of H. pluvialis and the extraction of astaxanthin, which can provides a theoretical basis for the efficient extraction and comprehensive utilization of natural astaxanthin from H. pluvialis.


Effects Of Storage Conditions On Physical And Chemical Characteristics Of Almond Protein Isolates, Wang Wei-Qing, Li Xiu-Ting, Zhou Bin, Li Shu-Gang Feb 2023

Effects Of Storage Conditions On Physical And Chemical Characteristics Of Almond Protein Isolates, Wang Wei-Qing, Li Xiu-Ting, Zhou Bin, Li Shu-Gang

Food and Machinery

Taking the almond protein isolate (API) as the research object, explored the effect of different storage conditions (temperature, packaging method and time) on the physical and chemical properties and digestion properties of API. The results showed that the free sulfhydryl group of API gradually decreased and the disulfide bond and carbonyl value gradually increased with the storage time prolonged. After 9 months of storage, the molecular weight of API increased, mainly concentrated in 50~70 kDa; as the oxidation degree deepened, the function characteristics of API decreased (solubility and foaming characteristics); at 35 ℃ and non-vacuum packaging conditions, after 9 months …


Design And Drying Test Of Refractance Window Drying Equipment, Wei-Peng Zhang, Yi-Fan Nie, Hong-Wei Xiao, Zhi-An Zheng, Hao-Yu Ju, Zhi-Gang Huang Feb 2023

Design And Drying Test Of Refractance Window Drying Equipment, Wei-Peng Zhang, Yi-Fan Nie, Hong-Wei Xiao, Zhi-An Zheng, Hao-Yu Ju, Zhi-Gang Huang

Food and Machinery

In order to explore a suitable drying device and method for heat-sensitive pulp materials, a refractance window dehydration (RW) device and an infrared refractance window dehydration (IR-RW) device were designed and manufactured with hot water and carbon fiber infrared plate as heat sources, respectively. The drying experiments were carried out with carrot pulp and also compared with the hot air drying. Both of the RW and IR-RW device were composed of feeding system, heating system, cooling system and unloading system. The control system was made of touch screen and a series of slave controllers. A control network was formed base …


Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li Feb 2023

Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li

Food and Machinery

The resistant starch (RS3) was prepared by ultrasonic and thermal-press processing using the starch from Eleusine cor-acana (L.) Gaertn (finger millet) as a raw material. The physicochemical properties and digestive characteristics of the finger millet RS3 were characterized. The results showed that compared with the raw starch of finger milletraw, RS3 had greater solubility, thermal stability and freeze-thaw stability; while its swelling and settling properties were small, and these characteristics could be used to improve the texture of the food and increase the crispness of the food. Compared with ordinary corn RS3, the finger …