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Articles 41791 - 41820 of 254312
Full-Text Articles in Life Sciences
Research Progress Of Change Rules In Freezing Denaturation Of Surimi Protein And Its Regulatory Methods, Yu Lu-Han, Chen Xu, Cai Xi-Xi, Du Ming, Wu Jin-Hong, Huang Jian-Lian, Wang Shao-Yun
Research Progress Of Change Rules In Freezing Denaturation Of Surimi Protein And Its Regulatory Methods, Yu Lu-Han, Chen Xu, Cai Xi-Xi, Du Ming, Wu Jin-Hong, Huang Jian-Lian, Wang Shao-Yun
Food and Machinery
The change rule of main indexes of frozen surimi was introduced, and the influencing factors of surimi protein denaturation were briefly analyzed and discussed. Moreover, the regulation methods of surimi protein in antifreeze were reviewed.
Effect Of Ultrasonic Pretreatment On Water Migration Of Apricot Slices During Microwave Freeze-Drying, Jin Li-Wei, Ren Guang-Yue, Duan Xu, Zhang Ying-Min, Qu Zhan-Ping, Li Xin-Lin
Effect Of Ultrasonic Pretreatment On Water Migration Of Apricot Slices During Microwave Freeze-Drying, Jin Li-Wei, Ren Guang-Yue, Duan Xu, Zhang Ying-Min, Qu Zhan-Ping, Li Xin-Lin
Food and Machinery
To explore the drying characteristics and moisture migration and diffusion characteristics of apricot slices in the microwave freeze-drying process of ultrasonic pretreatment, microwave vacuum-freeze drying technology was selected, and the transverse relaxation time T2 inversion spectra of apricot slices during MFD drying under different ultrasonic pretreatment conditions were measured by low field nuclear magnetic resonance. The results showed that ultrasonic pretreatment had a great influence on the drying rate of apricot slices in the early stage of MFD. Scanning electron microscopy showed that the best ultrasonic treatment condition for internal structure was 350 W, 35 ℃, 15 min, and it …
Study On Hot-Air Drying Characteristics And Kinetics Model Of Astragalus Slice, Zhang Ji, Peng Gui-Lan, Zhang Xue-Feng, Zhang Hong-Tu, Zhang Xin, Yang Ling
Study On Hot-Air Drying Characteristics And Kinetics Model Of Astragalus Slice, Zhang Ji, Peng Gui-Lan, Zhang Xue-Feng, Zhang Hong-Tu, Zhang Xin, Yang Ling
Food and Machinery
This study aims to investigate the hot air drying characteristics of Astragalus slices, and the kinetics of the drying process. The hot air drying experiment was conducted with hot air temperature, air velocity and slice thickness as experimental factors. The hot air temperatures are 40, 50 and 60 ℃ with the air velocities of 0.4, 0.8 and 1.2 m/s, and slice thicknesses are 3, 6 and 9 mm, respectively. The effects of them on the hot air drying curves, effective moisture diffusivity coefficient, rehydration performance and color difference of Astragalus slices were investigated respectively. The Weibull distribution was used to …
Comparative Analysis Of Nutrient Quality And Polyphenol Composition And Antioxidant Activity Of Different Colored Quinoa, Zhao Meng-Meng, Yang Xi-Juan, Dang Bin, Zhang Jie, Zhang Wen-Gang
Comparative Analysis Of Nutrient Quality And Polyphenol Composition And Antioxidant Activity Of Different Colored Quinoa, Zhao Meng-Meng, Yang Xi-Juan, Dang Bin, Zhang Jie, Zhang Wen-Gang
Food and Machinery
Differences of nutrient content, polyphenol profile and antioxidant activity of quinoa were explored from different grains quinoa of Qingbaili 1 (white grain), Gongza 4 (red grain) and Qingli 2 (black grain). Results showed that there were significant differences in nutritional quality among the three kinds of quinoa (P<0.05), among them, crude protein content of white quinoa, fat and starch content of red quinoa, and crude fiber, ash and total amino acid content of black quinoa was the highest, respectively. Main type of quinoa pholyphenols was free form and their contents were significantly different (P<0.05), with the contents of free phenol …
Analysis Of Nutrients And Bioactive Compounds In Fruits Of Psidium Guajava L. Cv. Pearl, Peng Yan, Zhang Min, Cui Xiao-Li, Zhang Shi-Feng, Tang Ting
Analysis Of Nutrients And Bioactive Compounds In Fruits Of Psidium Guajava L. Cv. Pearl, Peng Yan, Zhang Min, Cui Xiao-Li, Zhang Shi-Feng, Tang Ting
Food and Machinery
The nutrients and bioactive compounds in fruits of Psidium guajava L. cv. Pearl, collected from Hechun town in Zhanjiang, were measured and determined in order to lay the foundation for the further development and utilization of this species. Results showed that the contents of moisture, crude fats, crude fiber, total carbohydrates, fructose, glucose, sucrose and citric acid in fresh fruits of P. guajava L. cv. Pearl were (88.98±0.04) g/100 g, (0.11±0.01) g/100 g, (2.27±0.01) g/100 g, (5.78±0.02) g/100 g, (22.00±0.20) mg/g, (22.05±0.25) mg/g, (12.45±0.15) mg/g, and (1.68±0.02), respectively. The content of crude protein was (0.78±0.01) g/100 g, and 16 kinds …
Effect Of Short-Term Intake Of High Edible Oil On Viscera Coefficient And Gastrointestinal Motility In Mice, Zheng Tao, He Yun-Shan
Effect Of Short-Term Intake Of High Edible Oil On Viscera Coefficient And Gastrointestinal Motility In Mice, Zheng Tao, He Yun-Shan
Food and Machinery
To study the effect of short-term intake of high edible oil on the viscera coefficient and gastrointestinal motility in mice and providing the basis for rational dietary oil, 10 SPF KM mice were randomly divided into the control group and the edible oil group. The mice in the edible oil group were given edible oil twice a day, 0.3 mL each time, according to 20 mL/(kg·d) and mace in the control group were given equal amounts of distilled water for 13 days. The viscera coefficient and gastrointestinal motility of mice were compared. It was found that the dietary amount of …
A Fast Detection Pu-Erh Tea Storage Based On The Voltammetric Electronic Tongue And One-Dimension Cnn-Elm, Yang Zheng-Wei, Zhang Xin, Li Qing-Sheng, Miao Nan, Wang Zhi-Qiang, Li Cai-Hong, Yuan Wen-Hao, Ma Yun-Xia, Zhou Zhi
A Fast Detection Pu-Erh Tea Storage Based On The Voltammetric Electronic Tongue And One-Dimension Cnn-Elm, Yang Zheng-Wei, Zhang Xin, Li Qing-Sheng, Miao Nan, Wang Zhi-Qiang, Li Cai-Hong, Yuan Wen-Hao, Ma Yun-Xia, Zhou Zhi
Food and Machinery
Pu-erh tea storage year detection has the problems of cumbersome operation and complicated evaluation process. On this basis, a voltammetric electronic tongue (VE-Tongue) came out for fast detection of different storage years of Pu-erh tea. Conventional pattern recognition method of VE-Tongue was mainly based on manual feature design combined with shallow machine learning algorithms. In this study, a deep learning algorithm was introduced into pattern recognition method of VE-Tongue. A hybrid pattern recognition method based on combination of one-dimension convolutional neural network (1-D CNN) and extreme machine learning (ELM) was proposed. The 1-D CNN-ELM model combined with VE-Tongue was utilized …
Application Of Electronic Tongue Technology For Fuzzy Sensory Evaluation Of Edible Salts, Su Zhi-Min, Huang Xiao-Ping, Liu Fei, Wu Zhen
Application Of Electronic Tongue Technology For Fuzzy Sensory Evaluation Of Edible Salts, Su Zhi-Min, Huang Xiao-Ping, Liu Fei, Wu Zhen
Food and Machinery
In order to establish a method for evaluating the taste quality of edible salts, by taking 5 different raw materials edible salts as research object, a combination of electronic tongue technique with fuzzy sensory evaluation, and the method of principle component analysis (PCA) were deeply analyzed. The results showed: by analyzing the testing results of electronic tongue of edible salts, using PCA, the weight factor of fresh, saline, astringency, bitterness, and richness of the edible salt's sensory index were 0.32, 0.23,0.22, 0.18, 0.05, and, respectively. Based on the sensory evaluation data of sensory evaluator and corresponding fuzzy matrices were analyzed …
Study Of Tetracycline Detection In Milk By Pre-Incubation Mediated Signal Enhanced Colloidal Gold Method, Chen Ju-Yi, Wu Yu-Han, Yao Li, Xu Zhou, Wu Qian, Chen Wei
Study Of Tetracycline Detection In Milk By Pre-Incubation Mediated Signal Enhanced Colloidal Gold Method, Chen Ju-Yi, Wu Yu-Han, Yao Li, Xu Zhou, Wu Qian, Chen Wei
Food and Machinery
Based on the traditional colloidal strip, the pre-incubation reaction model was adopted, which was performed in the homogeneous aqueous solution between the colloid gold labeled antibody and analyte. This pre-incubation reaction was used to improve the efficiency of the immunoreaction. The pre-incubation solution was added to the colloidal gold strip for detection. Taking advantage of the pre-incubation model, the pre-incubated products were added to the colloidal gold strip for detection and the sensitivity for tetracycline was improved by 5 folds, as low as 1 μg/L. Changing the reaction model of the traditional colloidal gold strip from the direction adding sample …
The Simultaneous Determination Of Red 2g, Methyl Yellow And Diethyl Yellow In Food, Liang Feng, Xu Wen-Yang, Zhao Hong-Qing, Wang Kai, Liu Yamg-Lun
The Simultaneous Determination Of Red 2g, Methyl Yellow And Diethyl Yellow In Food, Liang Feng, Xu Wen-Yang, Zhao Hong-Qing, Wang Kai, Liu Yamg-Lun
Food and Machinery
A method for the simultaneous determination of red 2G, dimethyl yellow and diethyl yellow in meat products, soybean products and flavoring was established by HPLC and LC-MS. The samples were extracted by acetonitrile aqueous solution, with solid phase column, and determined by HPLC with diode array detector or UV detector, and then quantified by external standard method. The detection limit of red 2G was 0.5 mg/kg, and those of dimethyl yellow and diethyl yellow were 0.1 mg/kg, with the recovery rate ranging from 80.7% to 91.8% and the relative standard deviation of 3.8%~7.8%.
Uncertainty Evaluation For Determination Of Plumbum In Scallion By Top-Down Control Chart Method, Yan Shun-Hua, Cheng Xi, Yan Hao, Xia Yi-La, Ai- Ni, Li Hai-Fang
Uncertainty Evaluation For Determination Of Plumbum In Scallion By Top-Down Control Chart Method, Yan Shun-Hua, Cheng Xi, Yan Hao, Xia Yi-La, Ai- Ni, Li Hai-Fang
Food and Machinery
According to GB 5009.12—2017, the content of Plumbum was determined under intermediate precision condition of measurement,and the accumulated data was statistically analyzed based on the top-down control chart method. The superposition chart of the value x and EWMA and the chart MR showed that the results conformed to the assumption of normality and independence. The uncertainty of Plumbum in scallion was 0.20 mg/kg.
Rapid Determination Of 7 Hormones In Grass Carp Using Quechers Coupled With Uplc-Q/ Orbitrap Ms, Zhou Yan-Hua, Li Tao, Zhang Peng-Fei
Rapid Determination Of 7 Hormones In Grass Carp Using Quechers Coupled With Uplc-Q/ Orbitrap Ms, Zhou Yan-Hua, Li Tao, Zhang Peng-Fei
Food and Machinery
A simple and rapid method for the simultaneous determination of 7 kinds of hormones in grass carp was developed by the QuEChERS method coupled with ultra performance liquid chromatogragphy quadrupole/electrostatic field orbitrap high resolution mass spectrometry (UPLC-Q/Orbitrap MS). The results indicated that the linearity of all the 7 hormones ranged from 1.0 ng/mL to 100.0 ng/mL with the correlation coefficients greater than 0.998. The LOD was in the range of 0.04~0.60 μg/kg and the LOQ was in the range of 0.2~1.8 μg/kg. The recoveries were in the range of 71.4% to 106.9%, with the RSD (n=6) in the range of …
Evaluation Of Uncertainty In Determination Of Benzoic Acid, Sorbic Acid And Saccharin Sodium In Edible Betel Nut By Hplc, Yuan He, Xiao Xiao-Yi, Liu Jia, Zhao Zhi-You, Xia Yan-Bin
Evaluation Of Uncertainty In Determination Of Benzoic Acid, Sorbic Acid And Saccharin Sodium In Edible Betel Nut By Hplc, Yuan He, Xiao Xiao-Yi, Liu Jia, Zhao Zhi-You, Xia Yan-Bin
Food and Machinery
According to GB 5009.28 2016 "National Standards for Food Safety Determination of Benzoic Acid, Sorbic Acid and Saccharin Sodium in Foods " of High Performance Liquid Chromatography, established an uncertainty evaluation method for the determination of benzoic acid, sorbic acid and saccharin sodium in Areca catechu L. by HPLC, comprehensively investigates the sources of uncertainty in the whole measurement process, and analyzes and quantifies it. The expanded uncertainty of benzoic acid, sorbic acid and saccharin sodium in the sample is 0.004 10, 0.030 7, 0.200 g/kg, respectively. The main source of uncertainty for the detection in Areca catechu L. is …
The Regulation System Of Food Safety In Britain After“Mad Cow Disease” And Its Inspiration——On The International Competitiveness Of British Food, Qin Bao-Qun
Food and Machinery
In practice, the British food processing industry was hit hard after the “Mad Cow Disease” incident, and the British government finally took active measures to promote the transformation of food safety and security system to consumer life and health, and established a strict food safety legal system, established strict food safety legislation and all-round food safety education system. Therefore, observing the food safety supervision system in China by the British food safety supervision system, we can find that there are still problems such as the interference of “localism”, the malady of long management, the proof rule of “who claims who …
Design Of Rock Tea Manipulation System Based On Fuzzy Control, Liu Jiang-Ping, Jin Xin-Yi
Design Of Rock Tea Manipulation System Based On Fuzzy Control, Liu Jiang-Ping, Jin Xin-Yi
Food and Machinery
In order to realize the intelligent control of rock tea processing, reduce the labor intensity and the influence of human factors in the process of manipulate fresh leaves, a control scheme of manipulate fresh leaves based on fuzzy control is proposed. The influence of the environmental factors of temperature and humidity on the quality of rock tea were analyzed, and a fuzzy controller was designed, with the deviation of temperature and humidity as the input parameter and the change value of the process parameter as the output parameter in the expert database. The idea of manual control was simulated, with …
Improvement Of Tear-Tape Roll Positioning Device For Yb55 Cigarette Packing Machine, He Ren, Tian Jing, Bi Jun-Yi, Tang Shi-Xiang
Improvement Of Tear-Tape Roll Positioning Device For Yb55 Cigarette Packing Machine, He Ren, Tian Jing, Bi Jun-Yi, Tang Shi-Xiang
Food and Machinery
This article utilizes the spring ball locking structure to design a fast tear-tape roll positioning device. The application results of this device show that the tear-tape roll replacement time of the operator’s is shortened from 90 s to 24 s, and the frequency of use failures caused by the inadequate locking of the tear-tape roll is reduced from 1.4/week to 0/week, which effectively improves the operation efficiency of equipment and the stability of cigarette packaging quality.
Effects Of Storage Conditions On Physical And Chemical Characteristics Of Almond Protein Isolates, Wang Wei-Qing, Li Xiu-Ting, Zhou Bin, Li Shu-Gang
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 …
Study On Microwave Vacuum Freeze Drying Technology And Rehydration Characteristics Of Sauerkraut, He Jian, Yi Jun-Peng, Li Xin, Duan Xu, Ren Guang-Yue, Wu Tian-Tian
Study On Microwave Vacuum Freeze Drying Technology And Rehydration Characteristics Of Sauerkraut, He Jian, Yi Jun-Peng, Li Xin, Duan Xu, Ren Guang-Yue, Wu Tian-Tian
Food and Machinery
Using microwave vacuum freeze-drying technology to dehydrate fresh sauerkraut, study the influence of microwave power, vacuum degree and layer thickness on the drying characteristics and rehydration ratio of sauerkraut, determine the best drying conditions, and the low-field nuclear magnetic resonance technology (LF-NMR) was used to study the moisture state of dried pickled cabbage products during rehydration. The results showed that the drying rate of sauerkraut increased with higher microwave power, lower vacuum degree, and smaller thickness of the material layer, and the drying time was shortened. the optimal drying process conditions were found to include microwave power of 320 W, …
Research On Apple Online Classification Based On Machine Vision, Li Qi, Hu Jia-Kun
Research On Apple Online Classification Based On Machine Vision, Li Qi, Hu Jia-Kun
Food and Machinery
Using CCD camera to dynamically collect real-time images of two sides of the apple, a flood filling + adaptive Ostu threshold segmentation algorithm is proposed to extract the outline of the apple. The minimum outer circle method is used to process the upper surface image of the apple to obtain the fruit diameter of the apple. Rectangular method is used to extract the apple's fruit shape features by processing the apple's side surface image; the image is converted from RGB to HSV space to extract the apple's coloring degree, fruit rust, and scar features, and the classification of the SVM …
Design Of Fast Cherry Defect Detection And Recognition System Based On Fpga, Pei Yue-Kun, Gu Yu, Lian Ming-Yue
Design Of Fast Cherry Defect Detection And Recognition System Based On Fpga, Pei Yue-Kun, Gu Yu, Lian Ming-Yue
Food and Machinery
To make the cherry defect detection and identification system meet the real-time requirements, it was proposed to use the convolutional neural network model as the basis and used the SDSoC development platform to complete the design of FPGA for rapid detection and identification of cherry defects. By optimizing data transmission, multiplexing the general matrix multiplication function (GEMM) in the network model and parallelizing the design of the convolution operation, PL-side hardware acceleration was realized. Using the SDSoC platform, a high-level language mapping convolutional neural network model was used on the PS-side, which saved a lot of development time while achieving …
Effect Of Electron Beam Irradiation On Storage Of Areca Taro, Sun Da-Yang, Shang Fei-Fei, Pan Zhong-Tian, Xie Yu-Hua, Liu Yan, Deng Chun-Li, Song Mu-Bo, Duan Zhen-Hua
Effect Of Electron Beam Irradiation On Storage Of Areca Taro, Sun Da-Yang, Shang Fei-Fei, Pan Zhong-Tian, Xie Yu-Hua, Liu Yan, Deng Chun-Li, Song Mu-Bo, Duan Zhen-Hua
Food and Machinery
In this study, the areca taro was treated by high energy electron beam with irradiation dose of 0.1,0.3,0.5,0.7, and 1.0 kGy. The effects of different irradiation doses on areca taro storage and antioxidant enzymes were studied. The results showed that low-dose electron beam irradiation could significantly reduce the decay rate of areca taro and better control the germination, and had little effect on the hardness, color and sensory quality. Meanwhile, they could maintain the activities of peroxidase, glutathione reductase and catalase. Among them, 0.1~0.5 kGy could be used as a suitable dose for irradiation storage of areca taro.
Drying Characteristics And Quality Of Turpan Seedless White Grape In Different Drying Rooms, E-Li Ka-Si-Mu, Li Ze-Ping, Li Xue-Lian, Shi Yong, Zhou Jun, Huang Hua, Guo Jun-Xian
Drying Characteristics And Quality Of Turpan Seedless White Grape In Different Drying Rooms, E-Li Ka-Si-Mu, Li Ze-Ping, Li Xue-Lian, Shi Yong, Zhou Jun, Huang Hua, Guo Jun-Xian
Food and Machinery
The drying time, green rate, sugar content, VC content, sensory index, and color (including the average value of L*, a*, b*, R, G, B, etc) of seedless white grape in southwest, southeast, north-south, and east-west directions were compared for three kinds of drying houses constructed with different materials in Turpan area. The results showed that in brick drying house and adobe drying house, the drying time of seedless white grape in southwest direction was 24 days, the rate of green product was 32% and 24%, the sugar content was 721.3 mg/g and 719.6 mg/g, the content of VC was 7.84 …
Optimization Of Aqueous Enzymatic Extraction Process Assisted By High-Temperature Alkaline Liquor Cooking And Steam Explosion For Peony Seed Oil And Its Quality Analysis, Wang Xin, Meng Yu-Qian, Xu Bao-Cheng, Luo Deng-Lin, Fu Yuan-Zhe, Li Meng-Jie, Wei Yu-Hua, Jiao Yu-Man
Optimization Of Aqueous Enzymatic Extraction Process Assisted By High-Temperature Alkaline Liquor Cooking And Steam Explosion For Peony Seed Oil And Its Quality Analysis, Wang Xin, Meng Yu-Qian, Xu Bao-Cheng, Luo Deng-Lin, Fu Yuan-Zhe, Li Meng-Jie, Wei Yu-Hua, Jiao Yu-Man
Food and Machinery
To obtain a higher yield and high quality of peony seed oil, unshelled peony seeds were pretreated with high-temperature alkaline liquor cooking and steam explosion, and the parameters were also optimized. The results were as follows. Firstly, peony seeds were subjected to cook at 105 ℃ for 40 min in an alkaline liquor with the concentration of sodium bicarbonate being 0.05 mol/L, and the material-liquid ratio (g/mL) was 1∶5. Then the precooked peony seeds were further processed by steam explosion with a pressure of 0.3 MPa, holding for 30 s. After pretreating, the enzymolysis efficiency of peony seed powder by …
Optimization Of Vacuum Tumbling Combined Ultra High-Pressure Treatment Preparation Of Conditioned Chicken Breast, Xu Mei-Yu, He Dan, Song Hong-Bo, Tang Dao-Bang, Huang Qun
Optimization Of Vacuum Tumbling Combined Ultra High-Pressure Treatment Preparation Of Conditioned Chicken Breast, Xu Mei-Yu, He Dan, Song Hong-Bo, Tang Dao-Bang, Huang Qun
Food and Machinery
Water retention rate and cooking loss rate were used as the evaluation index. To optimize the proportion of low phosphorus water retaining agent and the technological conditions of conditioning chicken breast prepared by vacuum tumble-ultra-high pressure, orthogonal test and response surface analysis were used respectively, and the texture indexes of the treated chicken breast were measured. The results showed that the optimal low-phosphorus water-retaining agent were formulated as follows: sodium pyrophosphate 0.2%, starch 7.0%, and sodium bicarbonate 1.5%. The optimized conditions of vacuum rolling ultra high-pressure process were ultra-high pressure processing for 10 min with, pressure 190 MPa after a …
Optimizing Conditions Of Producing Bacteriocin By Lactobacillus Plantarum M1-Ntg300, An Yu, Wang Ying, Yi Hua-Xi, Zhang Dong-Jie
Optimizing Conditions Of Producing Bacteriocin By Lactobacillus Plantarum M1-Ntg300, An Yu, Wang Ying, Yi Hua-Xi, Zhang Dong-Jie
Food and Machinery
Taking the potency of phytolactin as a characteristic index, the culture conditions for bacteriocin production by Lactobacillus plantarum M1-NTG300 were optimized. Through response surface analysis combined with actual values, the optimal components of the culture medium were determined to include 3.5% glucose concentration, 3.5% peptone, 0.35% Tween 80, and 0.20% magnesium chloride. Under the control of these culture conditions, The titer of bacteriocin, produced by L. plantarum M1-NTG300 was 1 269.4 IU/mL, which was increased by 19.8%.
Effect Of Salt Amount On The Quality Of Chimonobambusa Quadrangularis Shoots Dried By Salt Boiling, Lv Chao-Yan, Gao Zhi-Xi, Liu De-Fen, Jiang Qi, Wang Mi, Ma Yun-Fei, Cai Chun
Effect Of Salt Amount On The Quality Of Chimonobambusa Quadrangularis Shoots Dried By Salt Boiling, Lv Chao-Yan, Gao Zhi-Xi, Liu De-Fen, Jiang Qi, Wang Mi, Ma Yun-Fei, Cai Chun
Food and Machinery
Different amounts of salt (10%, 15%, 20%, 25%, and 30%) were set to cook Chimonobambusa quadrangularis shoots. The effects of salt amount on total sugar, reducing sugar, soluble protein, free amino acid, NaCl, nitrite, as well as moisture content, rehydration ratio, color, sensory score, were studied. The results showed that the water content decreases with the increase of boiling time, showing the salt amount dependent. The rehydration rate increased with the rehydration time, and when it basically stops increasing, the rehydration ratio was 10%>15%>20%>30%>25% in descending order. The total sugar, reducing sugar, soluble protein, and free amino acid content all …
Optimization Of Aluminum-Free Process For Sweet Potato Powder Producing, Shi Bin, Li Yong-Fu, Long Ming-Xiu, He Yang-Bo, Tian Zhu-Xi, Liang Qian
Optimization Of Aluminum-Free Process For Sweet Potato Powder Producing, Shi Bin, Li Yong-Fu, Long Ming-Xiu, He Yang-Bo, Tian Zhu-Xi, Liang Qian
Food and Machinery
The sweet potato starch was modified by isoamylase, and the natural polysaccharide was used instead of alum as additive to study the process of making sweet potato powder without alum. Moreover, several key factors including water quantity, heating temperature, polysaccharide addition amount and aging time were optimized. The effects of different conditions on the properties of sweet potato starch were examined by using gelatinization characteristic value, gel properties, cooking properties, shear force, breaking rate and tensile force of sweet potato starch as indexes. The results showed that isoamylase could increase amylose content and enhance starch gel properties, and guar gum …
Recent Advances In Microbial Pectinase, Yang Tong-Xiang, Wu Kong-Yang, Bai Yun-Fei, Chen Jun-Liang, Wan Su-Yan, Yang Ru-Meng
Recent Advances In Microbial Pectinase, Yang Tong-Xiang, Wu Kong-Yang, Bai Yun-Fei, Chen Jun-Liang, Wan Su-Yan, Yang Ru-Meng
Food and Machinery
This review covered the advances in the screening of microbial pectinase, breeding technology, some factors affecting pectinase production, enzymatic properties, immobilization, and the development prospects of microbial pectinase were outlined.
Research Progress On The Mechanism Of Uric Acid-Lowering Natural Bioactive Compounds, Jiang Lin-Hong, Yang Xi-Hong, Xie Jing-Wen, Xie Wan-Cui
Research Progress On The Mechanism Of Uric Acid-Lowering Natural Bioactive Compounds, Jiang Lin-Hong, Yang Xi-Hong, Xie Jing-Wen, Xie Wan-Cui
Food and Machinery
Based on purine metabolism and the pathway of uric acid, four kinds of uric acid-lowering modes and mechanisms of natural bioactive compounds were summarized, mainly analyzed the uric acid-lowering modes and research results of natural extracts, protein enzymatic hydrolysates, polypeptides, probiotics and other active compounds. It is provided guidance for the development of medicinal resources, medical auxiliary food and natural anti-gout drugs.
Analytical Methods Of Glucosinolate And Its Application In Relative Research In Brassica Oleracea, E Heng-Chao, Zhao Xiao-Yan, Zhang Yan-Mei, Zhou Chang-Yan
Analytical Methods Of Glucosinolate And Its Application In Relative Research In Brassica Oleracea, E Heng-Chao, Zhao Xiao-Yan, Zhang Yan-Mei, Zhou Chang-Yan
Food and Machinery
This study reviews the research advancements of analytical methods with glucosinolates and its application in Brassica oleracea, with a view to providing reference for breeding, nutrition evaluation, and development in B. oleracea.