Life Sciences Commons^™

Effect And Mechanism Of Rosa Roxburgh Ii Polysaccharide On Improvinginsulin Resistance In Obese Rats, Zhang Shuai-Jun, Tang Yue-Mei, Niu Ying-Peng, Zhang Jin

Food and Machinery

Objective：This study aimed to develop R.roxburghii as functional food in medicine and healthcare products.Methods：High-fat dial-induced insulin resistance rat model was established.There were normal control group， the model group， the positivecontrol group， and the low and high dose group of R.roburghii polysaccharide(100mg/kg and 200mg/kg) .The body weight was recorded before and after the experiment.The serum oxidative stress indexes(SOD， MDA) ， lipid metabolism indexes(TG， TC) ， fasting blood glucose(FBG) and fasting insulin(FINS) levels， as well as the mRNA and protein expressions of PI3K an dG LUT 4m RNA in skeletal muscle were detected.Re-sults：Compared with the model group， the bodyweight， serum MDA， TG， …

Analysis Of Essential Oil From Different Parts Of Pelargoniumodor At Is Sim Um And Its Application In Cigarette, Yin Hong-Fei, Chen Jian-Zhong, Li Yao-Guang, Liu Sui-Jun, Zhao Wan-Ying, Chen Meng-Qi, Yuan Yao-Hong, Li Hua I-Qi, Su Tong-Fu, Jing Yan-Qiu

Food and Machinery

Objective：Develop new natural characteristic plant to-bacco flavor.Methods：The volatile oil from the seeds， leaves and stems of Pelargonium odor atissimum was extracted by simulta-neous steam distillation solvent extraction(SDE) .The chemical components of volatile oilwereanal yzed by GC/MS，andthe effects of volatile oil from different parts of Cardamom geraniumin cigarette flavoring and conventional components of smoke werecompared.Results：The volatile oil of Cardamom geranium seeds wasmainlyterp in en-4-ol(110.54mg/g)，myristic in (81.81mg/g) ， β-p hell and rene (58.33mg/g) .Themain components of leaf essential oil were linalool(90.04mg/g) ， myr- istic in(59.09mg/g) terp in en-4-ol(39.69mg/g) .Thestemessential oilwasdominated by D-limonene(45.56mg/g)， linalool (13.26mg/g)，3， 7-dimethyl-1， 5， 7-oct …

Hs-Gc-Ims Analysis And Fingerprint Study Of Volatile Organic Compounds Infive Species Medicinal And Edible Chrysanthemum Mori Folium Ramat., Dingy Un-Long, Wang Hao-Dong(1,2), Tang Guo-Wei, Tian Xing

Food and Machinery

Objective：To understand the difference of cumulative content and species of volatile organic compounds(VOCs) in five different species of Chrysanthemum morifolium Ramat..Methods：In this study， five different species of Chrysanthemum morifolium Ramat.，namely，Jin si huang ju，Huang ju，Hang baiju， Boj u， and Gong ju.The differences and variations of the fingerprints of volatile organic compounds (VOCs) in different species of Chrysanthemum morifolium Ramat.were studied by headspace-gas chromatography-ion mobility spectro s-copy(HS-GC-IMS) ， combined with cluster analysis and relation-ship matrix in the form of data visualization.Results：There were significant differences in VOCs among different varieties of Chrysanthemum mori folium Ramat.(P＜0.05) ， and the …

Evaluation Of Uncertainty In Determination Of Five Kinds Of Carbamate Pesticide Residues In Apple By Liquid Chromatography-Post-Column Derivatization, Yu Xing, Chang Wei, Wang Yong-Lin, Yao Zeng

Food and Machinery

Objective: This study aimed to analyze the accuracy of determination results of five kinds of carbamate pesticide residues in apple. Methods: Five kinds of carbamate pesticide residues in apples were detected according to NY/T 761—2008, and the uncertainty of the determination process was evaluated and analyzed. Results: The contents of carbosulfur, methomyl, 3-hydroxycarbamate, aldicarb and isoprocarb in apples are expressed in the form of expanded uncertainty as (0.105 7±0.007 8), (0.107 7±0.006 2), (0.109 2±0.005 8), (0.103 9±0.008 4), (0.106 1±0.007 6) mg/kg (k=2). Conclusion: The main sources of uncertainty in the experiment are standard material, …

Analysis Of Rice Grain Breakage Characteristics Based On Discrete Element Edem, Liu Cheng, Wang Wang-Ping, Song Shao-Yun

Food and Machinery

Objective: The rotational speed of the roller of the rice mill was optimized to reduce the crushing rate of rice grains in the process of whitening. Methods: The extrusion filling model was established by using SolidWorks software, and the collision contact model of single rice grain and two rice grains was established by using the particle bond model in EDEM software. The collision process of rice grains with different moisture content at different falling speeds was simulated, and the collision results of corresponding rice grains were observed. Results: There were three critical states of rice grains in …

Monitoring System Of Daqu Fermentation Humidity Based On Improved Ssa Optimization Prediction Model, Liao Jun-Jie, Hu Guang-Zhong, Xia Qiu, Zhu Wen-Chang, Bin Qiu-Yue

Food and Machinery

Objective: Solve the problems of difficulties of Daqu fermentation detection, judge the fermentation state judgement, and controlling. Methods: The Tent-SSA optimized BP neural network algorithm Daqu fermentation humidity prediction model and dynamic threshold control algorithm were proposed to realize real-time judgment of Daqu state and Daqu fermentation control during Daqu fermentation process. Results: The error predicted by The simulation prediction model for humidity prediction had low error (0.596%), good robust performance and fast convergence speed. Conclusion: The Daqu monitoring system based on this model is accurate and reliable.

Research On Automatic Orientation And Grading Of Shrimp Shelling Device, Fu Shi-Wei, Liu Jian-Hua, Huang Dao-Pei, Liu Yu-Liang

Food and Machinery

Objective: To realize the full automation of shrimp deep processing. Methods: Based on analysis of physical characteristics of northern and southern American shrimps, according to the feature of the center of gravity located between the thickest part of the shrimp body and the tail of the shrimp, an automatic orientation and grading device of shrimp head and tail was designed. Taking the clip angle between directional roller shaft line and horizontal line and the speed of directional roller as testing factors, the directional components were tested. Results: When the directional roller speed was 60 r/min, and the …

Energy Consumption Path Planning Of Food Robot Based On Improved Whale Algorithm And Neural Network, Huang Chong-Fu, Chang Yu, Liu Li-Chao

Food and Machinery

Objective: In order to solve the energy-saving trajectory planning problem of robot in food industry with unknown dynamic parameters, a point-to-point robot joint energy consumption path planning scheme based on whale algorithm and neural network was proposed. Methods: The energy consumption model of point-to-point joint of mobile manipulator of food robot was constructed, the similarity dynamics identification based on neural network was designed, and the improved whale algorithm was used to optimize the weight and bias parameters off-line. The quadric polynomial interpolation method was used to plan the joint motion trajectory, and the trajectory parameters were equivalent to …

Research And Application Of Flexible Feeding And Discharging Technology For Storage Tank, Zeng Wei-Zhong, Li Qiang, Li Jun, Zou Jin-Peng, Liu Tian, Liu Chang, Zhang Xing-Quan, Li Jia-Xi

Food and Machinery

Objective: To solve the problems of low whole rate of the tobacco shredded from the cabinet, high rate of broken shreds and high concentration of regional dust. Methods: A flexible feeding and discharging system of the wire storage cabinet was designed, which effectively reduced the shredded tobacco and the regional dust concentration through the automatic telescopic sliding plate and the sliding and lifting raking roller. Results: After adopting the flexible feeding and discharging system of the wire storage cabinet, the change rate of the whole wire rate increased by 1.1%, from 80.2% to 81.1%, and the broken …

Research And Application Of Glue Device For Zj17 Cigarette Machine, Liu Shi-Ming, Wang Jian, Zhao Ze-Yu, Jing Yu-Hui, Shi You-Zhi

Food and Machinery

Objective: To reduce the rejection rate of ZJ17 cigarette machine, shorten the adjustment time and improve the production efficiency. Methods: The rubber roller phase alignment device was developed to accurately measure the position of the rubber line by the sensor, and the measurement signal was transmitted to the industrial computer in real time. The shaft encoder signal was used to judge the offset of the rubber line, and the servo motor was driven to automatically adjust the phase of the rubber roll, so as to realize the real-time control of the position of the rubber line. Results: …

Expression Of Folk Culture Elements In The Packaging Design Of Local Characteristic Food, Zuo Wen

Food and Machinery

Based on the analysis of folk culture elements and local characteristic food packaging attributes,the design path of food packaging was proposed from three aspects of packaging materials, packaging modeling and decorative vision, so as to make local specialty food packaging show “natural beauty, experience beauty and regional beauty”, thereby promote cultural identity.

Effects Of Drying Methods On The Quality Of Preserved Yellow Peach, Liu Gui-Ge, Zhong Yao-Guang, Qiao Yong-Jin, Chen Bing-Jie, Wang Xiao, Zhang Yi

Food and Machinery

Objective: This study aimed to select a suitable drying method for preserved yellow peach. Methods: Preserved yellow peach was prepared by hot air drying (HAD), microwave-hot air drying (MHD) and vacuum freeze drying (VFD). Its physical properties, nutritional components, sensory and aroma indexes were studied. Results: Compared with traditional HAD, the efficiency of MHD was increased by 56.1%, and the preserved fruit was significantly better than HAD in color, nutritional composition, sensory evaluation, aroma components and content; The preserved yellow peach fruit by VFD has the best color, the strongest rehydration, the best tissue structure integrity of …

Effects Of Different Drying Methods On Volatile Substances Of Taro Slices, Yang Yu, Liang Duan, Song Pei, Wang Xue-Qing, Dong Zhong, Sun Xue, Liu Yun-Hong

Food and Machinery

Objective: This study aimed to explore the effects of different drying methods on the volatile components of taro slices. Methods: Volatile compound composition and volatile characteristics of five different drying methods of dried taro slices were studied. Taro and the ones dried by five drying methods, i.e. hot-air drying (HAD), contact-ultrasound enhanced hot-air drying (CU-HAD), far-infrared radiation drying (FIRD), contact-ultrasound enhanced far-infrared radiation drying (CU-FIRD) and freeze drying (FD),were analyzed by gas chromatography-mass spectrometry (GC-MS) with water-vapor distillation method. Volatile components were analyzed in conjunction with principal component analysis (PCA). Results: A total of 149 volatile compounds …

Optimization And Application Of Miqu Prepared By Rhizopus Oryzae From Medium-High Temperature Daqu, Huang Ke-Yi, Deng Jie, Wei Chun-Hui, Huang Zhi-Guo, Shi Xuan-Chao, Ren Zhi-Qiang

Food and Machinery

Objective: A microbial enhancer with high-yield glucoamylase was developed from medium-high temperature Daqu and applied to the brewing of Daqu Baijiu for the yield increasing. Methods: Strains with high yield of glucoamylase was isolated from medium-high temperature Daqu and used to make Miqu. Miqu was employed as an enhanced starter in the brewing of Daqu Baijiu, and the yield of Baijiu were tested. Results: A strain M-1 with higher glucoamylase production was isolated and identified as Rhizopus oryzae. The results of the optimized conditions for Miqu making was as follows: bran and rice (2∶8), moisture content …

Influences Of Clarification Technology On Clarification Effect And Quality Of The Fermented Wine With Lycopus Lucidus Turcz, Huang Xiao-Lan, He Xu-Feng, Zhou Xiang-De, Wu Rong, Xiong Shuang, Yang Qin

Food and Machinery

Objective: This study aimed to find the best clarifying method of fermented wine by using L. lucidus Turcz and improve its quality and stability. Methods: The gelatin clarification method, bentonite clarification method, chitosan clarification method, heat treatment method, membrane filtration method and static clarification at different temperatures were used to treat the wine fermented with L. lucidus Turcz. As an evaluation index for the clarification effect, the best clarification method and related parameters were selected by combining turbidity, color, light transmittance, the content of alcohol, total acid, total sugar, caffeic acid and rosmarinic acid, and sensory scores. Results …

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, …

Research Progress On Anti-Fatigue Function Of Marine Bioactive Substances, Xiao Mei-Fang, Wang Li, Tian Hao-Ran, Liu Bin, Zeng Feng

Food and Machinery

This review summarizes the mechanism of fatigue and the research achievements of active components in anti-fatigue such as polysaccharides and peptides from marine organisms in recent years. Finally, discussed the shortcomings and future direction of development of marine bioactive substances.

Research Progress On Active Components And Comprehensive Utilization Of Rubus Chingii Hu, Chen Kui-Lin, Huang Da-Rong, Huang Shao-Jie, Yan Jing, Zhang Hui-Ying, Du Bing

Food and Machinery

This review summarized the latest research progress on the active components and comprehensive utilization of R. chingii Hu, and points out that the active components and functional characteristics of R. chingii Hu should be further explored, and it should be widely used in the fields of medical care, food and daily chemical products.

Variation Offood Brittleness Of The Fruit And Vegetable Slicesduring Hotair Drying Process, Wu Xu-Yao, Ma You-Chuan, Huang Wen-Ying, Ma Xin, Wu Zhong-Hua

Food and Machinery

Objective：Aims at the brittleness regulation of fruitand vegetable slices during hotair drying process.Methods：Thisarticle takes fresh potatoes and bananas as the researchmaterials， adopts mechanical and acoustic measuring devices tocollect mechanical and acoustic signals generated by the fruit andvegetable slice samples at the mechanical compression mode，which were collected at different drying times during the hotairdrying process of 80℃， to comprehensively evaluate the fragility of the fruit and vegetable slices.Results：The acoustic emission(AE) signal of the potato slice appeared the drying time of45min， and its AE energy increased gradually with the increaseof drying time.The stress increased rapidly and then …

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 …

Effect Of Thawing Methods On Water Retention And Quality Of Ship-Borne Ultra-Low-Temperature Squid Muscle, Wang Jin, Gao Xue-Hui, Chen Yun-Yun, Yu Hai-Xia, Gao Fei, Zhang Xiao-Jun

Food and Machinery

Objective: This study aimed to explore the best thawing method of squid in storage and processing. Methods: Three kinds of squid were thawed by four thawing methods: low temperature thawing, ultrasonic thawing, flowing water thawing and hydrostatic thawing. The changes of sensory quality, texture characteristics, thawing loss rate, cooking loss rate, volatile base total nitrogen (TVB-N value), thiobarbituric acid value (TBARS value) and salt-soluble protein content (SSP value) of different squid were investigated during the thawing process. Results: Ultrasonic thawing took the shortest time, but thawing loss rate was high and the juice loss was serious; The …

Recent Progress Of Weissella, Liu Chang-Lei, Wen Yu-Ping, Li Guan-Yang, Jin Qing

Food and Machinery

Summarizes Weissiella spp. including the isolation and identification, biological properties, acid tolerance, bacterial inhibition, extracellular polysaccharide production, probiotic properties, histological studies, and food and pharmaceutical applications, and provides suggestions for the development and utilization of Weissiella spp.

Efficacy And Safety Of A Brain-Penetrant Biologic Tnf-Α Inhibitor In Aged App/Ps1 Mice, Weijun Ou, Yuu Ohno, Joshua Yang, Devaraj V. Chandrashekar, Tamara Abdullah, Jiahong Sun, Riley Murphy, Chuli Roules, Nataraj Jagadeesan, David H. Cribbs, Rachita K. Sumbria

Pharmacy Faculty Articles and Research

Tumor necrosis factor alpha (TNF-α) plays a vital role in Alzheimer’s disease (AD) pathology, and TNF-α inhibitors (TNFIs) modulate AD pathology. We fused the TNF-α receptor (TNFR), a biologic TNFI that sequesters TNF-α, to a transferrin receptor antibody (TfRMAb) to deliver the TNFI into the brain across the blood–brain barrier (BBB). TfRMAb-TNFR was protective in 6-month-old transgenic APP/PS1 mice in our previous work. However, the effects and safety following delayed chronic TfRMAb-TNFR treatment are unknown. Herein, we initiated the treatment when the male APP/PS1 mice were 10.7 months old (delayed treatment). Mice were injected intraperitoneally with saline, TfRMAb-TNFR, etanercept (non-BBB-penetrating …

Federated Learning Algorithms For Generalized Mixed-Effects Model (Glmm) On Horizontally Partitioned Data From Distributed Sources, Yong Chen, Xiaoqian Jiang

Faculty, Staff and Student Publications

OBJECTIVES: This paper developed federated solutions based on two approximation algorithms to achieve federated generalized linear mixed effect models (GLMM). The paper also proposed a solution for numerical errors and singularity issues. And showed the two proposed methods can perform well in revealing the significance of parameter in distributed datasets, comparing to a centralized GLMM algorithm from R package ('lme4') as the baseline model.

METHODS: The log-likelihood function of GLMM is approximated by two numerical methods (Laplace approximation and Gaussian Hermite approximation, abbreviated as LA and GH), which supports federated decomposition of GLMM to bring computation to data. To solve …

Collaborative Path Planning Of Food Picking Robot Based On Discrete Multi-Objective Cuckoo Algorithm, Liu Jian, Hu Zhu-Bing, Zhao Xue-Chao

Food and Machinery

Objective: In order to improve the picking efficiency of raw materials in large food processing and storage, a collaborative path planning method of food picking robot based on discrete multi-objective cuckoo algorithm is proposed. Methods: Aiming at the problem of picking multi location raw materials according to the proportion of food processing formula, the cooperative path planning model of multi-objective food picking robot was established, which took the total moving distance, total energy consumption and total weight of periodic picking raw materials as indicators and the Pareto optimal solution discrete multi-objective cuckoo algorithm (DMCA) was proposed. The three-layer cuckoo code …

Study On The Preparation Of Ace Inhibitory Peptides By Probiotic Fermentation Of Quinoa, Li Shuai, Yuan Ya-Hong, Yue Tian-Li

Food and Machinery

Objective: The potential ability of probiotics to prepare angiotensin-converting enzyme (ACE) inhibitory fermentation broth from quinoa and the effects of fermentation process on it were investigated. Methods: In this study, 18 strains of lactic acid bacteria and 12 strains of yeast were screened for their ability to prepare ACE inhibitory fermentation broth using quinoa as the raw material and the ACE inhibition rate as an indicator. The inoculum amount, fermentation temperature and fermentation time were optimized by orthogonal tests. Finally, the peptides in the fermentation broth were identified, and the selected peptides were tested in vivo to evaluate …

The Effect Of Air Fryer Treatment On The Quality Of Arrowhead Starch, Xi Wan-Ting, Cui Lin-Mei, Lei Min, Ji De-Rong, Li Meng, Hu Yang-Lan

Food and Machinery

Objective: To explore the effect of air frying pan treatment on the quality of arrowhead starch. Methods:Taking arrowhead starch as the research object, the effects of thermal cycle mode of air fryer (treated at 160 ℃ for 10 min) on the physical and chemical properties of arrowhead starch with different mesh numbers were investigated. Results: The properties of starch changed after treatment in air fryer, and the properties of starch with different particle sizes were also different after treatment. Under the treatment of air fryer, the viscosity of arrowhead starch with different mesh numbers was significantly different …

High-Throughput Detection Of Copper Ions In Water By Polypeptide Probe Hwehh, Xu Di-Ya, Zhang Hai-Man, Zhang Xin, Zhang Ya-Dan, Wang Fang, Zhang Lin

Food and Machinery

Objective: A high-throughput detection method for Cu²⁺ was developed with a well designed water-soluble fluorescent probe(HWEHH) and the microplate reader. Methods: The specificity of the fluorescent probe for Cu²⁺ determination was studied with the selectivity experiment. The linear range and detection limit of the probe for Cu²⁺ determination was detected with titration experiment, and the accuracy of the probe for the detection of Cu²⁺ in water was studied with sample spiked recovery method. Results: The fluorescent probe was able to specifically detect Cu²⁺. When the concentration of peptide probe was 2 …

Study On Quality Change Of Snakehead Sausage During The Frozen Storage, Hou Bo-Yu, Wan Jin-Qing, Xu Ming, Wang You-Jun, Sun Xiao-Lin, Tong Nian

Food and Machinery

Objective: The effect of frozen temperature on the storage characteristics of ready-to-eat snakehead sausages were investigated. Methods: In this study, The freezing temperature dehydration technique was used to control the moisture content of snakehead sausage at about 50%, and then the temperature was lowered to-5.6 ℃. Subsequently, the sausage was stored at 4 ℃, and those stored at 4 ℃ were set as the control. The changes in the quality and microstructure of the snakehead sausages were analyzed, by measuring the physicochemical indexes such as total bacterial colony, color, water holding capacity, textural properties, biogenic amines and scanning …

Research On Fermentation Process Optimization, Antioxidant And Hypoglycemic Activity Of Pigmented Rice Lactic Acid Beverage, Liu Ting, Li Jia-Ni, Shen Jun-Li, Lu Jun, Yang Wen-Yi

Food and Machinery

Objective: To develop pigmented rice lactic acid beverage with good antioxidant and hypoglycemic activity. Methods: Taking black and purple rice as the main material, the effect of mass ratio of purple rice to black rice, the addition amount of Lactobacillus bacteria, fermentation time and solid-liquid ratio on the sensory evaluation value, total phenolics content, ferric ion reducing antioxidant power (FRAP), ABTS free radical scavenging ability, and the inhibition rate of α-glucosidase of pigmented rice lactic acid beverage were explored. Results: The optimal technology of pigmented rice lactic acid beverage was as follows: the mass ratio of purple …