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Difference Of Odd-Carbon Fatty Acid Composition In Three Dendrobium Species, Feng Shi-Qi, Lu An-Jing, Yang Miao, Feng Di-Na, He Yu-Qi, Xue Song Jun 2023

Difference Of Odd-Carbon Fatty Acid Composition In Three Dendrobium Species, Feng Shi-Qi, Lu An-Jing, Yang Miao, Feng Di-Na, He Yu-Qi, Xue Song

Food and Machinery

Objective: The fatty acid composition and content of three kinds of Dendrobium were studied in order to provide reference for the development of dendrobium efficacy. Methods: The fatty acids compositions of Dendrobium nobile, Dendrobium officinale and Dendrobium chrysotoxum from different regions were systematically quantified by gas chromatography-mass spectrometry (GC-MS), and a series of Odd-carbon fatty acids (OCFA) containing 15~23 carbons were found in all dendrobiums. Results: The results showed that the OCFA accounted for more than 8% of the total fatty acids. The relative abundances of OCFA from high to low were C15:0, C17:0, C23:0 …


Effects Of Sprouting And Hydrothermal Treatment On Active Components And Functional Properties Of Tartary Buckwheat, Luo Jia-Qian, Zhou Li-Ling, Li Gao-Yang, Yuan Hong-Yan, Xie Qiu-Tao Jun 2023

Effects Of Sprouting And Hydrothermal Treatment On Active Components And Functional Properties Of Tartary Buckwheat, Luo Jia-Qian, Zhou Li-Ling, Li Gao-Yang, Yuan Hong-Yan, Xie Qiu-Tao

Food and Machinery

Objective: To improve the content of effective components, in vitro antioxidant capacity and α-amylase inhibition rate of tartary buckwheat. Methods: Using Tartary buckwheat as raw material, the effects were studied, including the sprouting and sprouting combined with hydrothermal treatment on the effective components (total flavonoids, total phenols, rutin and quercetin), the antioxidant activity and hypoglycemia in tartary buckwheat. And the quality of the samples was comprehensively evaluated by principal component analysis. Results: The contents of flavonoids and rutin in germinated group reached the maximum at 6 days after germination, which were 26.54 mg/g and 13.88 mg/g, 1.22 and 2.95 times …


Optimization Of Response Surface Methodology And Evaluation Of Antioxidant Avtivity Of Double-Enzyme Hydrolyzed Pigeon Brisket, Shen Chang-Hua, Yang Juan, Zhang Yuan-Hong, Zeng Xiao-Fang Jun 2023

Optimization Of Response Surface Methodology And Evaluation Of Antioxidant Avtivity Of Double-Enzyme Hydrolyzed Pigeon Brisket, Shen Chang-Hua, Yang Juan, Zhang Yuan-Hong, Zeng Xiao-Fang

Food and Machinery

Objective: The enzymatic hydrolysis conditions of pigeon meat were optimized, according to the hydrolytic degree and the antioxidant activity of the hydrolysates. Methods: Using hydrolysis degree and ABTS free radical scavenging rate as evaluation indexes, the effects of enzyme type, enzyme addition amount, pH value, enzymatic hydrolysis temperature, enzymatic hydrolysis time, solid to liquid ratio and enzyme ratio on the antioxidant activity of pigeon brisket hydrolysate were investigated, and the total amino acid content of the hydrolysate prepared under optimal conditions was determined. Results: Neutral protease and alkaline protease were the best compound enzymes. The enzyme ratio was 3∶1, and …


Preparation Of Enzymatic Hydrolysate From Crayfish Shells And Its Application In The Processing Of Crayfish Whole Balls, Yang Qi-Fu, Xu Wen-Si, Wei Na-Qiang, Xu Yan, Yang Pin-Hong Jun 2023

Preparation Of Enzymatic Hydrolysate From Crayfish Shells And Its Application In The Processing Of Crayfish Whole Balls, Yang Qi-Fu, Xu Wen-Si, Wei Na-Qiang, Xu Yan, Yang Pin-Hong

Food and Machinery

Objective: For enhancing the flavor characteristics and nutritional value of crayfish balls, and enriching the diversity of crayfish processed products. Methods: Determined the process of preparing the enzymatic hydrolysate from crayfish shell using compound enzymatic by single-factor and orthogonal array design. The nutritional quality of crayfish whole balls containing enzyme hydrolysate lyophilized powder and crayfish meat was analyzed. Results: The optimum condition for the preparation of crayfish shells enzymatic hydrolysate solution showed that 1 g crayfish shells powder with 0.5 mL of lactic acid was pretreated at 60 ℃ for 40 min. The dosage of compound enzymatic (papain and flavor …


Study On The Application Of Wet Ultrafine Crushing Ginkgo Powder In Noodles, Zhu Dan-Dan Jun 2023

Study On The Application Of Wet Ultrafine Crushing Ginkgo Powder In Noodles, Zhu Dan-Dan

Food and Machinery

Objective: The effects of ginkgo powder on the physicochemical indexes of wheat flour, as well as the nutrition, sensory, texture, cooking quality and bacteriostasis of noodles were studied. Methods: The physicochemical, nutritional and microbial indexes of flour and noodles were determined by instrumental analysis and chemical analysis respectively. And the sensory indexes of noodles were evaluated by sensory method. Results: The results showed that adding 0~18% ginkgo powder to wheat flour could reduce dough stability time, falling number wet and gluten content. It could increase the water absorption, whiteness of wheat flour, the taste and hardness of noodles. The contents …


Application Research Advances Of Different Protein Cross-Linking Methods In Cereal Foods Processing, Chen Zhen-Yun, Shen Yu-Xi, Li Jun-Jie, Liu Min-Nan, Wang Li Jun 2023

Application Research Advances Of Different Protein Cross-Linking Methods In Cereal Foods Processing, Chen Zhen-Yun, Shen Yu-Xi, Li Jun-Jie, Liu Min-Nan, Wang Li

Food and Machinery

Protein crosslinking plays an important role in cereal food processing. In recent years, many studies have been carried out on the crosslinking of cereal proteins. However, it is not clear about the principles and molecular mechanisms of crosslinking of cereal proteins. In this review, three kinds of different methods, including physical cross-linking, chemical cross-linking and enzymatic cross-linking, for enhancing the crosslinking of cereal proteins in cereal food processing were summarized, and their recent advances were discussed. Moreover, the effects of the three kinds of protein crosslinking methods on the structural properties of cereal proteins and related products were analyzed. Finally, …


Research Progress On The Influence Of Protein On Physicochemical Properties, Microstructures And Digestive Properties Of Starch And Its Application, Zhao Hai-Bo, Sun Chun-Rui, Qiu Hong-Wei, Cui Bo, Cheng Yun-Hui, Chen Ling Jun 2023

Research Progress On The Influence Of Protein On Physicochemical Properties, Microstructures And Digestive Properties Of Starch And Its Application, Zhao Hai-Bo, Sun Chun-Rui, Qiu Hong-Wei, Cui Bo, Cheng Yun-Hui, Chen Ling

Food and Machinery

Starch and protein are two important components in food system. The interactions between starch and protein have important influence on the structure, physicochemical properties of starch and the texture and digestibility of starch-based food. In recent years, the effect of exogenous protein on starch-protein interaction in mixed system and its application have become a hot research topic in the field of food. This article reviews the interaction mode between starch and protein, the effect of protein on physicochemical properties (gelatinization properties, retrogradation properties, rheological properties, thermal properties and texture properties) and microstructure of starch-protein mixed system, summarizes the regulation effect …


Egg White Protein Gel Modification And Its Application In Meat Processing, Zhang Gen-Sheng, Li Qi, Huang Xin-Yu, Han Bing, Zhao Hong-Lei, Fei Ying-Min Jun 2023

Egg White Protein Gel Modification And Its Application In Meat Processing, Zhang Gen-Sheng, Li Qi, Huang Xin-Yu, Han Bing, Zhao Hong-Lei, Fei Ying-Min

Food and Machinery

Egg white protein has gelatinous, foaming, and emulsifying properties. In production and processing, the gelatinous properties and gelatinous stability of egg white protein are usually improved by modifying treatment. This paper reviewed the modification methods of egg white protein and the research status of the application of modified egg white protein in meat processing and prospected the innovation and application of modified egg white protein.


Research Progress Of Electronic Nose On Identification Of Food Adulteration, Zhang Gui-Yun, Xie Jian-Hua, Yang Wei-Qiang Jun 2023

Research Progress Of Electronic Nose On Identification Of Food Adulteration, Zhang Gui-Yun, Xie Jian-Hua, Yang Wei-Qiang

Food and Machinery

This paper introduces the working principle of electronic nose via two key elements including gas sensor array and signal processing. The applications of electronic nose in adulteration identification and quality analysis of edible oil, dairy products, beverage, meat, spices, and other foods are reviewed. The operations and analytical principle of electronic nose for food adulteration are clarified, and the successful applications of electronic nose as well as the shortcomings are discussed.


Research Progress Of Hs-Spme-Gc-Ms In The Detection Of Volatile Substances In Fruit Products, Pang Ji-Wei, Yin Fei-Long, Liu Yun-Fen, Qu De-Zhi, Liang Yuan-Li, Xie Dong-Di, Liao Ling-Yan, Shuai Liang Jun 2023

Research Progress Of Hs-Spme-Gc-Ms In The Detection Of Volatile Substances In Fruit Products, Pang Ji-Wei, Yin Fei-Long, Liu Yun-Fen, Qu De-Zhi, Liang Yuan-Li, Xie Dong-Di, Liao Ling-Yan, Shuai Liang

Food and Machinery

From the perspective of the application of headspace solid-phase microextraction-mass spectrometry coupled with gas chromatography-mass spectrometry (HS-SPME-GC-MS) technology in the detection of volatile substances in fruit products, this paper discusses its important position and significance in fruit flavor detection. This paper briefly outlines the principles and characteristics of headspace solid-phase microextraction-mass spectrometry coupled with gas chromatography-mass spectrometry, and highlights the progress of its research on volatile substances in different kinds of fruit raw materials, stored and preserved fruits as well as fruit processed products such as fruit juice, fruit wine, and fruit tea, and also provides an outlook on the …


Research Progress Of Concentrated Fruit Juice And Its Fermented Wine, Yin Zi-Ying, Guan Jun-Feng, Liu Jin-Long Jun 2023

Research Progress Of Concentrated Fruit Juice And Its Fermented Wine, Yin Zi-Ying, Guan Jun-Feng, Liu Jin-Long

Food and Machinery

This paper expounded the characteristics of concentrated fruit juice, and the advantages, disadvantages and optimization of common concentrated technologies, summarized the research status of fermented fruit wine with concentrated fruit juice as raw material, and looked forward to the research direction of fermented fruit wine with concentrated fruit juice as raw material.


Research Progress On The Effect Of Lactic Acid Bacteria On The Flavor Of Fermented Vegetables, Hou Xiao-Yi, Wang Jian-Hui, Deng Na, Li Hui, Zhang Bo, Cai Yong-Jian Jun 2023

Research Progress On The Effect Of Lactic Acid Bacteria On The Flavor Of Fermented Vegetables, Hou Xiao-Yi, Wang Jian-Hui, Deng Na, Li Hui, Zhang Bo, Cai Yong-Jian

Food and Machinery

In the process of vegetable fermentation, the variety and quantity of microorganisms are complex and changeable. Lactic acid bacteria (LAB), as the main power in the process of vegetable fermentation, participate in the regulation of various metabolic pathways and affect the formation of flavor. In this review, the changes of major flavor metabolites during vegetable fermentation and their internal relationship with the community structure and abundance of LAB were summarized, then the potential mechanism of LAB fermentation to produce flavor substances was discussed. Moreover, the application of LAB in vegetable fermentation was prospected.


Effects Of Different Microwave Drying Conditions On Drying Characteristics And Quality Of Preserved Apricots, Zhao Hong-Xia, Wang Ying-Qiang, Ma Yu-He, Liu Ye-Rong, Wen Jian-Hua, Zhang Bian-Fei Jun 2023

Effects Of Different Microwave Drying Conditions On Drying Characteristics And Quality Of Preserved Apricots, Zhao Hong-Xia, Wang Ying-Qiang, Ma Yu-He, Liu Ye-Rong, Wen Jian-Hua, Zhang Bian-Fei

Food and Machinery

Objective: This study aimed to improve the drying efficiency and product quality of preserved apricot. Methods: The preserved apricots were dried using the rotary microwave oven (RMD) and the microwave coupled with convection dryer (MCD). The effect of microwave power, microwave emission mode, cutting and material movement on drying characteristics, the scorching rate, color and sensory quality were investigated and compared with traditional hot air drying (HD). Results: Compared with 1 040 min (16 pieces) and 840 min (48 pieces) of HD, the drying time was significantly shortened by microwave drying, ranging from 40 to 400 min. The drying time …


Simultaneous Determination Of 24 Kinds Of Pesticide Residues In Coffee Peel By Solid Phase Extraction-Gas Chromatography-Mass Spectrometry, Liu Chao, Mei Li-Bao, Yin Hai-Fei, Li Shu-Zhen, Long Yu-Zhou Apr 2023

Simultaneous Determination Of 24 Kinds Of Pesticide Residues In Coffee Peel By Solid Phase Extraction-Gas Chromatography-Mass Spectrometry, Liu Chao, Mei Li-Bao, Yin Hai-Fei, Li Shu-Zhen, Long Yu-Zhou

Food and Machinery

Objective: A solid phase extraction-gas chromatography/mass spectrometry (GC-MS) method was developed for the simultaneous determination of 24 pesticide residues in coffee peel. Methods: The sample was wetted with water, extracted with acetonitrile, the extract solution is concentrated and then purified with ProElut TPC solid phase extraction column, eluted with acetonitrile and toluene=3∶1, after concentration, the sample was determinated by GC-MS and the peak area was measured by internal standard method. Results: The 24 pesticides were separated well within 28 minutes. The residue of pesticide was in the range of 0.016~0.400 mg/kg, the linearity of the method was good, the correlation …


Study On Preparation Technology And Amino Acid Composition Of Ultrasonic-Assisted Seaweed Iodine, Liu Wen-Qian, Yue Yuan-Yuan, Li Jia-Xing, Ouyang Hua-Feng, Wang Ru, Wang Yi-Ping Apr 2023

Study On Preparation Technology And Amino Acid Composition Of Ultrasonic-Assisted Seaweed Iodine, Liu Wen-Qian, Yue Yuan-Yuan, Li Jia-Xing, Ouyang Hua-Feng, Wang Ru, Wang Yi-Ping

Food and Machinery

Objective: This study aimed to improve the preparation efficiency seaweed iodine and reduce the cost. Methods: The ultrasonic assisted technology was applied in kelp extraction section. The ultrasonic-assisted extraction technology of seaweed iodine was optimized by single factor and response surface test design. The amino acid composition in the final product was analyzed by high performance liquid chromatography (HPLC). Results: The optimal extraction conditions were as follows: ultrasonic power 125 W, ultrasonic time 130 min and ultrasonic temperature 57 ℃. Under the control of these conditions, the extraction yield was 39.85%, which was 1.6 times higher than that without ultrasonic-assisted …


Study On The Anti-Fatigue Activity Of Chickpea Peptide, Dong Jing-Ru, Mo Jun-Ming, Wang Sheng Apr 2023

Study On The Anti-Fatigue Activity Of Chickpea Peptide, Dong Jing-Ru, Mo Jun-Ming, Wang Sheng

Food and Machinery

Objective: This study aimed to investigate the anti-fatigue activity of chickpea polypeptide and its anti-fatigue mechanism. Methods: Weight-bearing swimming test, fatigue-related biochemical index analysis and immune activity determination were analyzed in mice. Results: In the weight-bearing swimming test, the swimming time of the chickpea polypeptide-fed group was significantly longer than that of the control group (P<0.01). The test results of biochemical indicators showed that chickpea polypeptide significantly reduced the levels of urea nitrogen and blood lactic acid in the blood of mice, and also significantly increased the contents of liver glycogen, muscle glycogen and insulin (P<0.01). Chickpea polypeptide also significantly improved the activities of superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and lactate dehydrogenase (LDH). In addition, chickpea polypeptide supplementation improved the immunity by increasing phagocyte activity, stimulating sIgA secretion and reducing proinflammatory cytokines in mice. Conclusion: Chickpea polypeptide has a strong anti-fatigue effect on mice.


Study On The Processing For Mackerel-Yam Fish-Chips, Lu Xue-Ning, Chen Huai-Yu, Guo Feng-Xian, Zheng Zong-Ping Apr 2023

Study On The Processing For Mackerel-Yam Fish-Chips, Lu Xue-Ning, Chen Huai-Yu, Guo Feng-Xian, Zheng Zong-Ping

Food and Machinery

Objective: This study aimed to solve the problem of the low utilization rate of mackerel and the single taste of fish chips. Methods: The specific volume, crispness, hardness, color, fat and acrylamide content of mackerel-yam fish chips made by frozen mackerel, starch and yam powder were determined to study the effects of different aging time, frying time, frying temperature and amount of yam powder on the quality of fish-chips. Results: With the extension of the aging time, the specific volume of the fish-chips gradually increased, when the aging time was 48 h, the specific volume reached 4.14 mL/g, and the …


Optimization Of Preparation And In-Vitro Activity Of Uricate-Lowering Peptide From Dorsal Belly Meat Of Skipjack, Chu Yu-Rou, Sun Ji-Peng, Zhu Qiu-Yu, Yao Wei, Song Ru, Wang Jia-Xing Apr 2023

Optimization Of Preparation And In-Vitro Activity Of Uricate-Lowering Peptide From Dorsal Belly Meat Of Skipjack, Chu Yu-Rou, Sun Ji-Peng, Zhu Qiu-Yu, Yao Wei, Song Ru, Wang Jia-Xing

Food and Machinery

Objective: This study aimed to develop an auric-lowering peptide of skipjack byproducts (SPBp) with Xanthine oxidase (XOD) inhibition activity and improve the utilization rate of byproducts of skipjack. Methods: Based on the response surface methodology, several parameters affecting this process were investigated, including protease types and enzymatic dosages, pH, temperature, time and their interactions on the content of amino-nitrogen, solid content and XOD inhibition activity. Results: The results showed that trypsin was the best protease. The optimal process parameters were as follows: the dosage of the enzyme was 4%, pH 8.0, temperature 55 ℃, time 5 h, solid-liquid ratio 1∶3 …


Effects Of Carbon Quantum Dot-Chitosan Coating On Preservation Of Fresh-Cut Shiitake Mushroom, Yang Na, Wei Qi-Min, Yang Wei-Ling, Huang Qun Apr 2023

Effects Of Carbon Quantum Dot-Chitosan Coating On Preservation Of Fresh-Cut Shiitake Mushroom, Yang Na, Wei Qi-Min, Yang Wei-Ling, Huang Qun

Food and Machinery

Objective: In order to improve freshness preservation quality of the fresh-cut shiitake mushroom. Methods: Carbon quantum dots were synthesized from dragon fruit peel and ethylenediamine, and characterized for stability and toxicity. Fresh-cut shiitake mushrooms were studied, and stored at 4 ℃ for 10 d after coating with 0.0, 1.5, 3.0 and 4.5 mL/100 mL carbon quantum dots-chitosan (N-CDs/CH) for preservation treatment. During the period of preservation, the weight loss, color difference, soluble solids and polyphenol oxidase were measured every 24 h to evaluate the preservation effect of the composite films. Results: The synthesized N-CDs had the typical characteristics, which had …


Research Progress On Degradation Of Aflatoxin B1 By Microbial Method According To Toxicity Sites Of Aflatoxin B1, Lian Sheng-Qing, Qian Xin, Liu Chu-Cen, Li Liang-Yi, Sun Chang-Po, Zhou Wen-Hua Apr 2023

Research Progress On Degradation Of Aflatoxin B1 By Microbial Method According To Toxicity Sites Of Aflatoxin B1, Lian Sheng-Qing, Qian Xin, Liu Chu-Cen, Li Liang-Yi, Sun Chang-Po, Zhou Wen-Hua

Food and Machinery

The toxicity sites and toxicity mechanism of aflatoxin B1(AFB1) were explored in this study, and aiming at the toxicity sites of AFB1, the advantages of microbial degradation of AFB1 were compared. Then the degradation mechanism of AFB1 by detoxifying enzyme method in microbial method was reviewed. Moreover, the composite application of detoxification enzyme method combined with other methods is prospected.


Research Progress Of Quality Evaluation Technology In Black Tea Fermentation Process, Xia Chang-Yi, Ran Qian-Song, Li Rui, Liu Ya-Bing Apr 2023

Research Progress Of Quality Evaluation Technology In Black Tea Fermentation Process, Xia Chang-Yi, Ran Qian-Song, Li Rui, Liu Ya-Bing

Food and Machinery

Fermentation is the key to the formation of characteristics and quality of black tea. It is very important to evaluate the fermentability of black tea quickly and accurately. In this paper, the application of artificial sensory evaluation technology, biochemical component detection technology, intelligent biomimetic technology, data fusion technology and intelligent biomimetic equipment in the evaluation of black tea fermentation quality in recent years was reviewed, and the development trend of intelligent biomimetic technology in the evaluation of black tea fermentation in the future was prospected.


Research Progress On The Effect Of Different Improvers On The Quality Of Frozen Dough, Xin Chen, Zhou Rui-Li, Gong Fang-Yuan Apr 2023

Research Progress On The Effect Of Different Improvers On The Quality Of Frozen Dough, Xin Chen, Zhou Rui-Li, Gong Fang-Yuan

Food and Machinery

Frozen dough is widely used in the food industry. But there are several problems arising such as: the deterioration of dough and the reduction of fermentation activity properties during frozen storage. Frozen dough improvers are important way to solve these problems. Currently, the commonly used improvers are polysaccharides, emulsifiers, proteins and others. This paper summarizes the main problems and influencing factors in the application of frozen dough, and the mechanism and application of different improvers on the quality of frozen dough were reviewed. The paper also prospects the research and development trend of improvers.


Determination Of The Residues Of 9 Kinds Of Antiviral Drugs In Animal-Derived Sports Nutrition By Hilic-Ms/Ms, Guo Wei Apr 2023

Determination Of The Residues Of 9 Kinds Of Antiviral Drugs In Animal-Derived Sports Nutrition By Hilic-Ms/Ms, Guo Wei

Food and Machinery

Objective: This study aimed to help with strengthening the monitoring of antiviral drug residues in animal-derived sports nutrition products. Methods: A method for determining the residues of 9 kinds of antiviral drugs in animal-derived sports nutrition was established, by using hydrophilic interaction chromatography tandem mass spectrometry. The samples were extracted by 1% acetic acid-acetonitrile and purified by PRiME HLB column. The mobile phase system of acetonitrile-10 mmol/L ammonium acetate solution (containing 0.1% formic acid) was separated by Sielc Obelisc R column in gradient elution mode to achieve the separation of nine target components. Results: The 9 kinds of antiviral drugs …


Research On Control System Of Carya Cathayensis Shell Breaking Automatic Production Line Based On Plc, Zhao Yan-Li, Zhao Qian, Li Zhi-Qiang Apr 2023

Research On Control System Of Carya Cathayensis Shell Breaking Automatic Production Line Based On Plc, Zhao Yan-Li, Zhao Qian, Li Zhi-Qiang

Food and Machinery

Objective: In order to solve the problems of low automation level and low efficiency of the control system in the current automated production line of hickory shell breaking. Methods: On the basis of the existing automatic production line of hickory shell breaking, a control system of hickory shell breaking automatic production line based on PLC control technology is proposed. With PLC as the core, the control of the whole hickory shell breaking automatic production line was completed, including shell breaking machine, air separator, shell breaking separator, color sorter and other equipment. The feasibility of the method was verified by testing …


Evaluation On Fruit Texture And Quality Of Different Pear Varieties During Cold Storage, Zhou Hui-Juan, Ye Zheng-Wen, Zeng Si-Yi, Wang Xiao-Qing, Luo Jun Apr 2023

Evaluation On Fruit Texture And Quality Of Different Pear Varieties During Cold Storage, Zhou Hui-Juan, Ye Zheng-Wen, Zeng Si-Yi, Wang Xiao-Qing, Luo Jun

Food and Machinery

Objective: To determine the key points of pear quality formation and deterioration of different Pyrus pyrifolia pears during cold storage. Methods: Zaoshengxinshui, Hujingli18, Hujingli67 were used as materials, the fruit of three varieties with the same ripeness were stored in cold storage at (1.0±0.5) ℃ and relative humidity of 85%~90% for 60 days, fruit texture, total soluble solids, titratable acid, sugar and acid contents and 10 sensor values were determined every 10 days. Results: Hujingli18 and Zaoshengxinshui were the typical type of fructose accumulation,Hujingli 67 was the type of sorbitol accumulation, and all three varieties were the type of malic …


Research Progress Of Subcritical Extraction Technology In The Field Of Nutrient Component Extraction From Aquatic Products, Wang Wen-Jie, Chen Xiu-Biao, Chen Yun-Yun, Zhou Xu-Xia, Ding Yu-Ting Apr 2023

Research Progress Of Subcritical Extraction Technology In The Field Of Nutrient Component Extraction From Aquatic Products, Wang Wen-Jie, Chen Xiu-Biao, Chen Yun-Yun, Zhou Xu-Xia, Ding Yu-Ting

Food and Machinery

The fundamental extraction principle, production process, and instrument of the subcritical fluid (including water) technology in terms of the aquatic products materials were introduced in this review, and the academic progress of SFE technology in extracting and separating nutritional components from the aquatic products within the recent 10 years were summarized, in terms of proteins/peptides, lipids and polysaccharides from aquatic products. The advantages of different processing factors for the extraction of specific components were summarized, and the future development direction of SFE equipment and technology in the deep processing of aquatic products was prospected.


Design And Experiment Of One Cylinder Driving Five Rows Longan Core-Removing Mechanism, Xie Hai-Jun, Zhang Lian-Bo, Zhu Ming-Chao, Li Peng-Sheng Apr 2023

Design And Experiment Of One Cylinder Driving Five Rows Longan Core-Removing Mechanism, Xie Hai-Jun, Zhang Lian-Bo, Zhu Ming-Chao, Li Peng-Sheng

Food and Machinery

Objective: This paper puts forward one cylinder driving five-row longan core-removing mechanism for the low production efficiency of the pneumatic longan core-removing mechanism. Methods: The mechanism adopts one cylinder driving five rows handspikes in the direction, which transport longan to core-removing hole, after the longan is cut under the triangular blade, and another cylinder drives five handspikes in the vertical direction in order to remove longan core. Five longan cores is removed one working process, so that the production efficiency is improved. Results: The result of experiments showed that the order of influencing on longan core-removing loss rate is blade …


Flow Field Simulation And Experiment Of Mussel High Pressure Water Jet Cleaning Nozzle, Xie Fei, Yuan Yue-Feng, Wang Jia-Sheng Apr 2023

Flow Field Simulation And Experiment Of Mussel High Pressure Water Jet Cleaning Nozzle, Xie Fei, Yuan Yue-Feng, Wang Jia-Sheng

Food and Machinery

Objective: It solves the problems of large water consumption and poor cleaning effect existing in the traditional cleaning method of mussels. Methods: The geometric models of Axial fan-nozzle with different structural parameters were established by Solidworks software. After setting the parameters in fluent software, the velocity and water content of the internal and external flow fields of the jet were numerically calculated. Results: The larger the spray angle of the nozzle was, the faster the decay velocity of the flow field of the jet was, and the lower the water content was. The larger the equivalent diameter of the nozzle …


Effects Of Different Drying Methods On Degradation Characteristics Of Anthocyanins And Antioxidant Capacity In Blueberries, Zhao Wei, Huang Jia-Qi Apr 2023

Effects Of Different Drying Methods On Degradation Characteristics Of Anthocyanins And Antioxidant Capacity In Blueberries, Zhao Wei, Huang Jia-Qi

Food and Machinery

Objective: Reducing the degradation of anthocyanins in blueberry during drying. Methods: The far infrared drying was applied to the drying of blueberries, and compared with traditional hot air drying to explore the degradation characteristics of major anthocyanins and the changes of PPO enzyme activity and antioxidant capacity of blueberries under different drying methods. Results: High retention of two major anthocyanins (D3G and C3G) in blueberries under far-infrared drying, and the second-order mathematical model could better simulate their degradation process. Compared with hot-air drying, the rate constants (k) and entropy values (ΔS) of far-infrared dried blueberry anthocyanins were smaller, and the …


Comparison Of Fermentation Effects Of Six Kinds Of Probiotics On Rice Wine, Huang Zhi-Guo, Pu Ling-Ping, Ren Zhi-Qiang, Cheng Guo-Fu, Deng Jie Apr 2023

Comparison Of Fermentation Effects Of Six Kinds Of Probiotics On Rice Wine, Huang Zhi-Guo, Pu Ling-Ping, Ren Zhi-Qiang, Cheng Guo-Fu, Deng Jie

Food and Machinery

Objective: This study aimed to investigate the effects of 6 kinds of probiotics and their different adding ways on the production of rice wine. Methods: The probiotic rice wine was prepared by adding Lactobacillus rhamnosus BV-77, Lactobacillus fermentans TF-331, Lactobacillus saliva AP-32, Lactobacillus johnsoni MH-68, Lactobacillus acidophilus TYCA-06 and Lactobacillus casei CS-773. To compare the effects of saccharifying enzyme alone, saccharifying enzyme and yeast at the same time and adding methods (probiotic bran koji and probiotic powder) on alcohol content, reducing sugar, total acid and sensory quality of rice wine. Results: Yeast can promote the fermentation of probiotic rice wine …