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Full-Text Articles in Food Biotechnology

Study On Mixing Design And Freezing Resistance Optimization Of Glutinous Rice Balls, Lu Yibei, Du Tongshen, Ma Junhua, Fan Jiong, Yang Hua, Yang Liuming Nov 2022

Study On Mixing Design And Freezing Resistance Optimization Of Glutinous Rice Balls, Lu Yibei, Du Tongshen, Ma Junhua, Fan Jiong, Yang Hua, Yang Liuming

Food and Machinery

Objective:To improve the poor quality of glutinous rice balls during the freezing process. Methods:The appropriate addition amount of sweet potato starch and wheat starch was obtained through single factor experiment, and then the D-optimal mixture experiment was designed by using sweet potato starch, wheat starch and glutinous rice flour as raw materials to improve the sensory quality and texture characteristics of glutinous rice balls. On the basis of the mixture formula, the effect of deep-sea fish antifreeze protein addition on the frost resistance of glutinous rice balls was explored, and the optimal addition amount was obtained. Results:The …


Effects Of Guava Leaf Extract On The Quality And Antioxidant Capacity Of Sugar Free Bread, Liu Jinjin, Zhu Siming, Lu Huiling, Zheng Kaifan, Xu Jialu Nov 2022

Effects Of Guava Leaf Extract On The Quality And Antioxidant Capacity Of Sugar Free Bread, Liu Jinjin, Zhu Siming, Lu Huiling, Zheng Kaifan, Xu Jialu

Food and Machinery

Objective: In order to develop a sugar-free, antioxidant and low-cost bread. Methods: Guava leaf extract and neohesperidin dihydrochalcone were added as functional ingredients to the bread. The specific volume, texture, water retention and free radical scavenging capacity of bread were tested to analyze its quality and antioxidant capacity. Results: There was no obvious linear relationship between the additive amount of the guava leaf extract and the comprehensive quality of the bread, but the additive amount of guava extract was positively correlated with the total phenolic content, DPPH+ and hydroxyl radical scavenging of bread. When the additive amount …


Effects Of Raw Material Composition On The Quality Of Fish-Chicken Dual Protein Vermicelli, Ren Yang-Ying, An Yue-Qi, Dang Mei-Qi, Yang Mei, Xu Guo-Dong, Xiong Shan-Bai Oct 2022

Effects Of Raw Material Composition On The Quality Of Fish-Chicken Dual Protein Vermicelli, Ren Yang-Ying, An Yue-Qi, Dang Mei-Qi, Yang Mei, Xu Guo-Dong, Xiong Shan-Bai

Food and Machinery

Objective:This study aimed to increase the diversity of surimi products and promote the industrialized production of high-quality traditional food. Methods:Using frozen surimi and chicken breast as raw materials, double-protein vermicelli was prepared by extrusion molding. The effects of raw material composition on the quality of double-protein vermicelli were studied by measuring its holding capacity, pulping value, color, stretch, texture and sensory evaluation. Results: The optimal mixing ratio of surimi and chicken was 8∶2, and the optimal amount of water was 20%. The tensile strength, tensile deformation and total sensory scores of the dual protein fish filaments prepared under …


Prediction Of Safe Storage Period And Quality Of Fresh Yellow Peach Based On Correlation And Time Series Analysis, Zhou Hui-Juan, Gao Xiao-Feng, Ye Zheng-Wen, Feng Zi-Yao, Su Ming-Shen, Du Ji-Hong, Zhang Xia-Nan, Li Xiong-Wei, Zhang Ming-Hao Oct 2022

Prediction Of Safe Storage Period And Quality Of Fresh Yellow Peach Based On Correlation And Time Series Analysis, Zhou Hui-Juan, Gao Xiao-Feng, Ye Zheng-Wen, Feng Zi-Yao, Su Ming-Shen, Du Ji-Hong, Zhang Xia-Nan, Li Xiong-Wei, Zhang Ming-Hao

Food and Machinery

Objective: In order to study the correlation between fruit firmness, total soluble solids, red and green color, sensory scores of fresh yellow peaches, a prediction model of safe storage period of yellow peach was established to realize early warning and prediction of fruits quality. Methods: Solute Jinxiu peach was used as test material,firmness with skin, firmness without skin, fruit color difference,soluble solid contentand other indexes of the fruits in storage in three picking periods were measured, and sensory scores were made in four modules: fruit texture, color, flavor and aroma. The correlation analysis and time series analysis techniques …


Effects Of Yam Powder On The Quality Of Xylitol Chiffon Cake, Zhang Min-Hua, Zheng Zong-Ping, Chen Hong-Bin, Wang Bao-Bei, Ma Li-Na, Li Jin-Gui Oct 2022

Effects Of Yam Powder On The Quality Of Xylitol Chiffon Cake, Zhang Min-Hua, Zheng Zong-Ping, Chen Hong-Bin, Wang Bao-Bei, Ma Li-Na, Li Jin-Gui

Food and Machinery

Objective: The yam powder was applicated and added in xylitol chiffon cake to investigate its effects on the quality of cake. Methods: In the process of preparing xylitol yam chiffon cake,the specific volume, relative density of batter, moisture content, color and texture of cake were taken as the investigation indexes to study the effects of different proportions of yam powder (10%, 20%, 30%, 40%, 50%) on thequality of cake. Results: The specific volume of cake decreased, whereas the relative density and moisture content of batter increased with the increasing amount of yam powder. On the other hand, …


Research And Development Of Fruit Quality Sorting Machine, Wang Wen-Chao, Ge Feng-Li, Xu Wen-Kai, Zhao Lu-Hai, Li Juan Oct 2022

Research And Development Of Fruit Quality Sorting Machine, Wang Wen-Chao, Ge Feng-Li, Xu Wen-Kai, Zhao Lu-Hai, Li Juan

Food and Machinery

Objective: Improve the quality and efficiency of fruit quality sorting and reduce labor costs. Methods: A fruit quality sorting machine is designed to detect and sort for fruit quality. The sorting machine uses STC8A8K64S4A12 as the slave computer and uses Jetson Xavier NX as the master computer. The sorting machine can achieve the detection and sorting of the fruit on damage and sugar content by artificial intelligence. Results: The accuracy, resolution of sugar degree and speed of the sorter for detecting fruit were 99%, 0.1% and 7 200 h-1, respectively. Conclusion: The device can …


Refining And Quality Analysis Of Fish Oil From Mandarin Fish Viscera Byproducts, Wu Yong-Xiang, Yong Zhang, Wang Yin, Wu Li-Ping, Hu Chang-Yu Oct 2022

Refining And Quality Analysis Of Fish Oil From Mandarin Fish Viscera Byproducts, Wu Yong-Xiang, Yong Zhang, Wang Yin, Wu Li-Ping, Hu Chang-Yu

Food and Machinery

Objective: To optimize the refining process of crude fish oil from mandarin fish viscera and to improve the quality of fish oil. Methods: With phosphoric acid volume fraction, addition amount of NaOH and activated clay as influencing factors, the acid value and peroxide value as the evaluation indexes, the refining process was optimized by Box-Behnken response surface analysis. The sensory quality, physicochemical indexes and fatty acid composition of fish oil before and after refining process were analyzed. Results: The optimal refining conditions were obtained as follows, phosphoric acid volume fraction of 50%, addition amount of 2% NaOH, …


Effect Of Ethephon Ripening And Peeling On Quality Of Fresh Walnut During Freezing Storage, Wu Xiao-Hua, Chen Bai, Li Ming-Ze, Zhang Rui, Feng Ji-Hu Sep 2022

Effect Of Ethephon Ripening And Peeling On Quality Of Fresh Walnut During Freezing Storage, Wu Xiao-Hua, Chen Bai, Li Ming-Ze, Zhang Rui, Feng Ji-Hu

Food and Machinery

Objective:To evaluate the feasibility of the production of ethephon in the freezing thawing and fresh keeping of fresh walnut, and to provide theoretical basis and technical support for fresh walnut freezing thawing and fresh keeping technology system. Methods:The late fruiting walnut variety 'Qingxiang' from Longnan county of Gansu province was used as the experimental material, and then the green walnut was picked by hand and then peeled by Ethephon. Meanwhile, the artificial peeling was used as the control (CK). The fresh walnut was peeled and stored in a constant temperature freezer with temperature of -7~-5 ℃ and humidity …


Mineral Element Discrimination Of Selenium-Enriched Rice In Ningxia And Its Quality Evaluation, Yang Xiao-Chen Jul 2022

Mineral Element Discrimination Of Selenium-Enriched Rice In Ningxia And Its Quality Evaluation, Yang Xiao-Chen

Food and Machinery

Objective:The element content and physical and chemical quality were analyzed from the nutritional quality of Selenium (Se)-enriched rice in Ningxia.Methods:25 rice samples from different brands in Ningxia were selected as the research object, and 26 mineral elements in which were determined by inductively coupled plasma mass spectrometry (ICP-MS), and multivariate statistical analysis of these elements was conducted.Results:Through the analysis of the difference of element content between Se-enriched rice and ordinary rice, the quality of Se-enriched rice was distinguished. Moreover, it was found that Se-enriched rice was rich in four kinds of elements such as Ca, …


Effects Of O2/Co2 Active Modified Atmosphere Packaging On Storage Quality And Microstructure Of Postharvest Truffles, Jiang Fang-Guo, Hu Hai-Yang, Gong Xiao-Yuan, Liu Jie, Li Xiang Jul 2022

Effects Of O2/Co2 Active Modified Atmosphere Packaging On Storage Quality And Microstructure Of Postharvest Truffles, Jiang Fang-Guo, Hu Hai-Yang, Gong Xiao-Yuan, Liu Jie, Li Xiang

Food and Machinery

Objective:To find a new and effective fresh storage method for truffles.Methods:Set 80% O2+20% CO2 (AMAP1), 60% O2+40% CO2 (AMAP2), 40% O2+60% CO2 (AMAP3), 10% O2+90% CO2 (AMAP4) 4 air-conditioned groups and a control group of natural air without encapsulation (CK), stored at 4 ℃, regularly check the nutritional quality and physio-chemical indicators of truffles during storage, the microstructure of truffle fruit bodies was observed at 0, 14, 28 d.Results:The CK group spoiled rapidly within 7 days after harvest, and the quality dropped sharply. The truffles treated with AMAP4 had high weight loss and increased degradation …


Effect Of Marinated Process On The Quality And Flavor Of Hunan Flavor Marinated Beef, Yu Kun, Zhao Liang-Zhong, Yin Shi-Xian, Liu Bin-Bin, Shu Min Jul 2022

Effect Of Marinated Process On The Quality And Flavor Of Hunan Flavor Marinated Beef, Yu Kun, Zhao Liang-Zhong, Yin Shi-Xian, Liu Bin-Bin, Shu Min

Food and Machinery

Objective:This study aimed to provide a theoretical support for enhancing the quality of Hunan flavor marinated beef and improve the marinated process.Methods:The laws of beef quality and flavor change during pulse marinated, vacuum marinated micro pressure marinated and traditional marinated were investigated.Results:The NaCl content and percentage loss from cooked increased gradually in each marinated process beef with increased marinated time. The chromatic difference L* value decreased gradually, and the chewiness, hardness, elasticity increased first and then decreased. The sensory evaluation found the highest score and the time required to reach the highest score of pulse …


Effects Of Simultaneous Combination Of Steam And Microwave Cooking On The Quality Of Pork Ribs, Yao Qing, Chen Yan-Ping, Sun Ying-Ying, Fang Kun, Cao Ya-Qun, Xu Yan-Shun Jul 2022

Effects Of Simultaneous Combination Of Steam And Microwave Cooking On The Quality Of Pork Ribs, Yao Qing, Chen Yan-Ping, Sun Ying-Ying, Fang Kun, Cao Ya-Qun, Xu Yan-Shun

Food and Machinery

Objective:To determine the quality changes of the quality of pork ribs in simultaneous combination of steam and microwave cooking.Methods:The physicochemical quality, texture, fatty acids, amino acids, total thiol group, total carbonyl and vitro protein digestibility of pork ribs treated with simultaneous combination of steam and microwave were investigated.Results:The simultaneous combination of steam and microwave could significantly reduce the cooking time compared with the single steaming. And the combined cooking of microwave with 500 W and steam with 1 300 W for 13 min (MS-13) could reduce 48% of the cooking time. Compared with other groups, the pork …


Effects Of Heat Pump Drying Temperature On Drying Characteristics And Quality Of Persimmon Slices, Tang Xiao-Xian, Zheng Jing, Ren Ai-Qing, Duan Zhen-Hua, Wei Zhen-Zhen, Qin Yan-Ting, Fu Hai-Ping Jul 2022

Effects Of Heat Pump Drying Temperature On Drying Characteristics And Quality Of Persimmon Slices, Tang Xiao-Xian, Zheng Jing, Ren Ai-Qing, Duan Zhen-Hua, Wei Zhen-Zhen, Qin Yan-Ting, Fu Hai-Ping

Food and Machinery

Objective:In order to explore the effect of heat pump drying temperature on the drying characteristics and quality of persimmon slices;Methods:Taking persimmon as the raw material, the effects of different drying temperatures were compared, on the drying time, drying rate, color, hardness, rehydration rate, tannin content, total sugar, vitamin C and total acid content of dried persimmon slices.Results:when the heat pump drying temperature was 65 ℃, the drying rate was higher and the drying time was shorter. The dried persimmon slices dried at 65 ℃ had bright color, similar to fresh fruit color, good rehydration performance, the lowest …


Study On The Quality Of Raw And Cooked Chestnut From Different Growing Regions, Zhou Kui, Zhang Ya-Yuan, Huang Hui-Ling, You Xiang-Rong, Wang Ying, Li Ming-Juan, Wei Ping Jul 2020

Study On The Quality Of Raw And Cooked Chestnut From Different Growing Regions, Zhou Kui, Zhang Ya-Yuan, Huang Hui-Ling, You Xiang-Rong, Wang Ying, Li Ming-Juan, Wei Ping

Food and Machinery

In order to understand the comprehensive nutritional value of Guangxi chestnut growing in Counties Tiane, Longlin and Longan, the nutritional components, antioxidant components and processing characteristics of raw and cooked chestnut were compared and analyzed. The results showed that the quality of chestnut varies with the place of production and the state of ripeness. The cooked chestnut had a darker color, higher fat, amino acid content and water holding capacity, while the raw chestnut had higher soluble protein and vitamin C (VC) content, and stronger ability of scavenging free-radical and oil-holding capacity. However, the raw chestnut exhibited the …


Effect Of Raw Material Ratio On Quality Of Rice Sour Soup And Optimization Of Preparation Technology Of Rice Slurry, Wang Rong, Zhao Liang-Zhong, Xie Chun-Ping, Ou Hong-Yan Jun 2020

Effect Of Raw Material Ratio On Quality Of Rice Sour Soup And Optimization Of Preparation Technology Of Rice Slurry, Wang Rong, Zhao Liang-Zhong, Xie Chun-Ping, Ou Hong-Yan

Food and Machinery

The quality and physicochemical indexes of rice sour soup, made of glutinous rice, japonica rice and flour, were detected and the relative correlation with sensory scores were analyzed. Thereafter, the rice slurry was used to optimize the liquefaction and


Effect Of Electrolyzed Ozone Water On The Quality Of Fresh-Cut Lotus Root, Tang Qian, Liu Yong-Le, Liu Xiang-Ru, Yu Jian, Wang Fa-Xiang, Li Xiang-Hong May 2020

Effect Of Electrolyzed Ozone Water On The Quality Of Fresh-Cut Lotus Root, Tang Qian, Liu Yong-Le, Liu Xiang-Ru, Yu Jian, Wang Fa-Xiang, Li Xiang-Hong

Food and Machinery

In order to improve the commodity value of fresh-cut lotus root and prolong the shelf life, this study analyzed the effects of electrolyzed ozone water on the total colony count, weight loss rate, total acid content, soluble solids content, hardness and color of fresh-cut lotus root during cold storage. The results showed that the increase of total colony count and weight loss rate was inhibited by ozone water treatment, which was only 37.84% and 52.54% of control group, respectively, after 12 days of cold storage. The decline of total acid content in ozone group was also inhibited but its initial …


Effect Of Ultra High Pressure Treatment On The Quality Of Passion Fruit-Pitaya Compound Beverage And Optimization Of Sterilization Process, Tang Mei-Ling, Duan Wei-Wen, Duan Zhen-Hua, Tang Xiao-Xian Feb 2020

Effect Of Ultra High Pressure Treatment On The Quality Of Passion Fruit-Pitaya Compound Beverage And Optimization Of Sterilization Process, Tang Mei-Ling, Duan Wei-Wen, Duan Zhen-Hua, Tang Xiao-Xian

Food and Machinery

The non-sterile compound beverage was used as the control. By setting different combinations of low and high pressure, holding time, low-pressure time ratio, and synergistic temperature, the single-factor and orthogonal experiments were used to perform ultra-high-pressure sterilization on the passion fruit-pitaya compound beverage. Determined the changes of the total number of colonies, mold and yeast, pH, soluble solids, stability coefficient and color difference △E, and other indicators, and studied the effects on the quality of the compound beverage and determine the optimal ultra-high pressure sterilization process conditions. Results, after the combination of low and high pressure of 200 MPa/550 MPa, …


Drying Characteristics And Drying Quality Of Lilium By Hot-Air Thin-Layer Drying, Xiao Bi-Liang, Sun Jing, Liu Xiao-Feng Feb 2020

Drying Characteristics And Drying Quality Of Lilium By Hot-Air Thin-Layer Drying, Xiao Bi-Liang, Sun Jing, Liu Xiao-Feng

Food and Machinery

In order to improve the quality of lily production and shorten the drying period, taken Lanzhou lily as sample and used JK-LB1700 thin layer drying test bed to dry. The effects were investigoted, in different hot-air temperature (60, 70, 80, 90 ℃), hot-air rate (0.5, 1.0, 1.5, 2.0 m/s) and drying relative humidity (20%, 30%, 40%) on drying rate, color ΔE* value, vitamin C content, rehydration ratio during lily drying and law of change. The Weibull distribution function was used to simulate the drying moisture diffusion law of lily. Results, the drying time of lily was significantly shortened (P<0.01) with …


Effect Of Different Heat Pump Temperatures On Drying Rate And Quality Of White Radish, Yu Yang-Yang, Tang Dao-Bang, Wen Jing, Wu Ji-Jun, Yu Yuan-Shan, An Ke-Jing, Zou Ying Feb 2020

Effect Of Different Heat Pump Temperatures On Drying Rate And Quality Of White Radish, Yu Yang-Yang, Tang Dao-Bang, Wen Jing, Wu Ji-Jun, Yu Yuan-Shan, An Ke-Jing, Zou Ying

Food and Machinery

In order to explore the effects of different heat pump temperatures on the drying rate and quality of white radish during drying, heat pumps at 50, 55, 60, 65 ℃ were designed to dry white radish. The drying rate, color, nutrition, rehydration ratio and micro-structure of white radish at different heat pump temperatures were compared. The results showed that the moisture content of white radish decreased to (8±1)% at 50, 55, 60, 65 ℃ heat pump temperatures, which required 12, 11, 10, 9 hours respectively. Hot air drying at different temperatures had certain effects on the physical and chemical properties …


Effect Of Drying Temperature On Quality Of Debittered Apricot Kernels, Zhang Xinyun, Song Yun, Fan Xuehui, Zhang Qingan Apr 2017

Effect Of Drying Temperature On Quality Of Debittered Apricot Kernels, Zhang Xinyun, Song Yun, Fan Xuehui, Zhang Qingan

Food and Machinery

Effects of the drying temperatures (60, 80, 100, 110, 120, 130, 140 ℃)on the major quality of debittered apricot kernels drying products were studied. The results showed that with increase of drying temperature, the main component of debittered apricot nuts decreased after the first increase. Values of peroxide and acid of debittered apricot kernels increased with drying temperature. Drying temperature influenced on the color of debittered apricot nuts significantly. There was a good correlation between the protein (r=0.713 0), leucine (r=0.659 8), histidine (r=0.765 2), reducing sugar (r=0.800 1), aspartic acid (r=0.638 7), glutamic acid (r=0.801 5), valine (r=0.812 0), …


Particular Applications Of Food Irradiation Fresh Produce, Anuradha Prakash Jul 2016

Particular Applications Of Food Irradiation Fresh Produce, Anuradha Prakash

Food Science Faculty Articles and Research

On fresh fruits and vegetables, irradiation at low and medium dose levels can effectively reduce microbial counts which can enhance safety, inhibit sprouting to extend shelf-life, and eliminate or sterilize insect pests which can serve to facilitate trade between countries. At the dose levels used for these purposes, the impact on quality is negligible. Despite the fact that regulations in many countries allow the use of irradiation for fresh produce, the technology remains under-utilized, even in the light of an increase in produce related disease outbreaks and the economic benefits of extended shelflife and reduced food waste. Putative concerns about …