Isolation, Identification And Biological Characteristics Of Intestinal Probiotics From The Longevity Crowd In Kashi, Xinjiang,
2018
School of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830046, China
Isolation, Identification And Biological Characteristics Of Intestinal Probiotics From The Longevity Crowd In Kashi, Xinjiang, Aymihri Mollam, Nusratgul Anwar, Busaram Abliz, Hamida Gulam, Osman Yimit
Food and Machinery
Lactic acid bacteria with probiotic function were isolated and screened from the intestinal track of longevity crowd in Kashi, Xinjiang, and their ability to triglyceride-reducing in vitro were investigated. The results showed that the fourteen of forty-one strains of lactic acid bacteria with high triglyceride-reducing rates, were higher than 15%. Among them, strain A2-1, A1-2, A3-1, A4-6 and A4-1 with higher survival rates s in artificial gastric juice at pH 3.0 were 63.22%，60.01%，58.94%，56.14%，50.29%, respectively. Moreover, the survival rates of these 5 strains in MRS broth with 1, 3 and 5 g/L bile salt were also relatively high, and the survival …
Effect Of Ultrasound Treatment On Pasting, Rheological And Textural Properties Of Pea Starch,
2018
College of Food Science, Southwest University, Chongqing 400715, China; National Demonstration Center for Experimental Food Science and Engineering Education, Southwest University, Chongqing 400715, China
Effect Of Ultrasound Treatment On Pasting, Rheological And Textural Properties Of Pea Starch, Li Wei, Zheng Jiong, Chen Yingheng, Zhang Fusheng
Food and Machinery
Pea starch was used as the raw material, and was treated with ultrasound of 0, 150, 300 and 450 W respectively to explore the effect of the ultrasonic treatment on pasting, rheological and textural properties of pea starch. The results showed that the effects of the ultrasonic treatment on the pasting, rheological and textural properties of pea starch were significant. With the increasing of the ultrasonic power, the peak viscosity, final viscosity, setback value and the breakdown value of the pea starch paste decreased significantly, which showed the cold stability and the thermal stability were improved；the consistency coefficient k of …
Effects Of Enzymeon Physicochemical Properties Of Dough Liquor Extracted From Whole Wheat Mantou Dough,
2018
School of Food Science and Technology of Jiangnan University, Wuxi, Jiangsu 214122, China
Effects Of Enzymeon Physicochemical Properties Of Dough Liquor Extracted From Whole Wheat Mantou Dough, Jiang Zhijian, Liu Liya, Ding Lan, Zhou Sumei, Wang Li
Food and Machinery
The improved mechanism of steamed bread quality by pentosanase(Pn), glucose oxidase (Gox) and complex enzymes was revealed according to the changes in physicochemical characteristics of the dough liquor. The results showed that both Pn and Gox promoted the yield of the dough liquor, the contents of protein and pentosan in the dough liquor changed significantly, the foaming stability and particle size were significantly improved, and the adsorption membrane of protein became dense in texture. The change of the physicochemi-cal properties of the dough liquor caused by Pn or Gox, especially the improvement of foaming stability, may be one of the …
Comparison Of Physicochemical Properties Between Areca Taro Starch And Ball-Milling Esterification Modified Starches,
2018
College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China; Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fuzhou, Fujian 350002, China
Comparison Of Physicochemical Properties Between Areca Taro Starch And Ball-Milling Esterification Modified Starches, Liu Cancan, Huang Qun, Sun Xiaopeng, Song Hongbo
Food and Machinery
The compound modified starch was prepared from the areca taro native starch which was modified by ball-milling combined with octenyl succinic anhydride (OSA). The physicochemical properties of compound modified starch were studied and compared with the native starch, esterified starch and ball-milled starch. The results indicated that the solubility, swelling power and transparency of ball-milled starch were significantly improved (P＜0.05), especially the cold-water solubility, but the anticoagulation, freeze-thaw stability and apparent viscosity were reduced. The solubility, swelling power, transparency, anticoagulation, freeze-thaw stability and apparent viscosity of esterified starch and compound modified starch were significantly improved. It can be seen that …
Simultaneous Determination Of Diafenthiuron And Its Degradation Products In Teas By Dispersive Solid-Phase Extraction And High Performance Liquid Chromatography-Tandem Mass,
2018
School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha, Hunan410076, China
Simultaneous Determination Of Diafenthiuron And Its Degradation Products In Teas By Dispersive Solid-Phase Extraction And High Performance Liquid Chromatography-Tandem Mass, Xiao Limin, Wang Meiling, Dai Jieyun, Dai Hua
Food and Machinery
A simple and efficient method based on QuEChERS and high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) was developed for the determination of diafenthiuron and itss degradation products in tea. The sample was extracted with acetonitrile and cleaned up with QuEChERS. In the chromatographic analysis, three target compounds were separated on a C18 column (150 mm × 4.6 mm, 3.5 μm) with the gradient elution using the mobile phases of acetonitrile and water containing 0.1% acetic acid. The mass analyzer was performed using positive scan mode with MRM monitor using external standard method. The results showed that the limits of …
Rapid Identification Of Lonicerae Japonicae Flos And Lonicerae Flos Based On Hyperspectral Imaging,
2018
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
Rapid Identification Of Lonicerae Japonicae Flos And Lonicerae Flos Based On Hyperspectral Imaging, Feng Jie, Liu Yunhong, Wang Qingqing, Yu Huichun, Shi Xiaowei
Food and Machinery
In order to identify Lonicerae Japonicae Flos and Lonicerae Flos rapidly and precisely, a hyperspectral imaging technology combined with chemometric methods was applied to develop the nondestructive identification models for Lonicerae Japonicae Flos and Lonicerae Flos. Firstly, the original spectral data were analyzed by three pretreatment methods including Savitzky-Golay (SG) convolution smoothing, Multiple Scatter Correct (MSC) and Standard Normal Variate Transformation (SNV). A comparison was made among SG, MSC and SNV based on Partial Least Squares (PLS), of which the best pretreatment method was SNV. The Regression Coefficient (RC) and Successive Projection Algorithm (SPA) were used to extract the characteristic …
Determination Of Retinol Palmitate And Retinol Acetate In Formulas For Special Medical Purposes Intended For Infants By Hplc,
2018
Hunan Provincial Food Quality Supervision and Inspection Institute, Changsha, Hunan 410011, China
Determination Of Retinol Palmitate And Retinol Acetate In Formulas For Special Medical Purposes Intended For Infants By Hplc, Li Tao, Zhou Yanhua, Sun Guifang, Yang Tao, Yin Weicheng, Yang Qingyi
Food and Machinery
Retinol palmitate and retinol acetate in formulas for special medical purposes intended for infants was determined using NP-HPLC. The HPLC system consisted of NH2 column (150 mm×4.6 mm, 5.0 μm), mobile phase of n-hexane-25.0% tert-butyl methyl ether n-hexane solution (955), flow rate of 1.0 mL/min, injection volume of 50 μL, column temperature of 30 ℃, UV detector detection wavelength of 325 nm. Results showed that retention time of retinol palmitate and retinol acetate were 3.5 min and 6.0 min, respecitively the linearity was good in the range of 0.05～10.0 μg/mL with a correlation coefficient of 0.999 9, the detection …
Influence Of Different Mode Of Liquid Supply On The Temperature Field Of Evaporated Plate,
2018
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai 201306, China
Influence Of Different Mode Of Liquid Supply On The Temperature Field Of Evaporated Plate, He Weidong, Wan Jinqing, Huang Minglei, Ge Rui
Food and Machinery
This paper studied the temperature distribution of different mode of liquid supply in plate freezer under the same working condition, and analyzed the reasons for the inequality freezing rate of the flat plate. The freezing experiment of the fluid supply with ejector and the expansion valve at the same condense temperature in 35 ℃ was carried out respectively. The results showed that: at the end of freezing, the minimum temperature reached to -35.9 ℃ by using expansion valve, and the maximum temperature difference of frozen products was 17.55 ℃. The temperature difference of each layer was large, and the temperature …
Test And Analysis On The Picking Force Of Processing Tomato Fruit,
2018
College of Mechanical and Electrical Engineering, Shihezi University, Shihezi, Xinjiang 832003, China; Key Laboratory of Northwest Agricultural Equipment of Ministry of Agriculture, Shihezi, Xinjiang 832003, China
Test And Analysis On The Picking Force Of Processing Tomato Fruit, Luo Xinyu, Wang Jikui, Luo Yongjun, Luo Wei
Food and Machinery
As fruit picking must overcome the connection force between fruit stalk and fruit, the tensile force and torsion moment of tomato picking were measured by test for revealing the size and its change of tomato fruit picking force during tomato fruit picking practice.The test results show that the size of the ripe processing tomato picking force is related to the movement direction of the fruit in picking operation. When the fruit is moving in a direction, the picking force is smaller with the tilting angle of the stalk being greater, the force of tomato fruit picking has a linear correlation …
Study On Bacteriostat To Colletorichum Orbiculare Of Muskmelon And Fresh Keeping Effects Of Bio-Liquid,
2018
Agriculture College of Yanbian University, Yanji, Jilin 133002, China
Study On Bacteriostat To Colletorichum Orbiculare Of Muskmelon And Fresh Keeping Effects Of Bio-Liquid, Liu Fangfang, Li Fanzhu, Zhang Xian, Li Min
Food and Machinery
To develop a new type of fruit and vegetable preservative with low toxicity and harmLess, the bio-liquid was used as the main experimental material, and the antibacterial effects and mechanism of bio-liquid on the Colletorichum orbiculare and the effect on the preservation of muskmelon were studied. The results showed that the bio-liquid had obvious antibacterial effect on the Colletorichum orbiculare, and the EC50 and EC70 ere 1.8% and 2.4%, respectively. The bio-liquid could destroy the membrane structure of the Colletorichum orbiculare and the rupture the cell membrane, which caused the exudation of proteins, nucleic acids, and carbohydrates. Treated …
Extraction Of Podocarpus Nagi Nut Oil And Analysis Of Their Physicochemical Properties,
2018
School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, Guangdong 524088, China
Extraction Of Podocarpus Nagi Nut Oil And Analysis Of Their Physicochemical Properties, Lu Lulu, Yang Chongwen, Li Chengyong, Sun Shengli, Yan Xiemin, Su Tiantian, Feng Yanting
Food and Machinery
In order to further develop the resources of Podocarpus Nagi, the technology of ultrasonic assisted soxhlet extraction for the extraction of Podocarpus nagi was optimized by single factor and response surface tests. The physicochemical properties and fatty acid composition were analyzed. The results showed that the optimum extraction conditions were as follows: the extraction temperature 75 ℃, the solid-liquid ratio 140 （g/mL）, the extraction time 150 min and extraction solvent n-hexane. Under this condition, the yield of bamboo nut oil was 29.32%. The analysis via GC-MS method showed that nine kinds of fatty acids were detected in the bamboo nut …
Studies On The Extraction Process And Its Stability Of Yellow Pigment From Rosa Sterilis D. Shi,
2018
Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, Guizhou 550005, China;Guizhou Engineering Research Center for Fruit Processing, Guiyang, Guizhou 550005, China
Studies On The Extraction Process And Its Stability Of Yellow Pigment From Rosa Sterilis D. Shi, Xie Guofang, Tian Yonglin, Deng Yuling, Zhou Xiaoli, Liu Yongling, Zhao Zhibing, Ma Lizhi
Food and Machinery
The extraction conditions of yellow pigment from Rosa sterilis D. shi were optimized by extraction agent screening and uniform experimental design, and the effects of light, pH, oxidant, reducing agent, metal ions and sugar on their stability and antioxidant capacity was investigated. The optimum extraction conditions of Camellia oleifera cake were obtained as follows: 80% acetone, the ratio of material to liquid is 116 （g/mL), each time ultrasonic assisted extraction for 3.5 h at 58 ℃, and extraction 2 times. The yellow pigment was unstable in the sunlight, but showing a strong antioxidant capacity. Yellow pigment and its antioxidant capacity …
Extraction Of Insoluble Dietary Fiber From Purple Sweet Potato By Ultrasonic Assisted Enzyme Method And The Determination Of Its Hydroxyl Radical Scavenging Ability,
2018
College of Biological Science and Technology, Minnan Normal University, Zhangzhou, Fujian 363000, China; Engineering Research Center of Fujian Province for Fungal Industry, Zhangzhou, Fujian 363000, China
Extraction Of Insoluble Dietary Fiber From Purple Sweet Potato By Ultrasonic Assisted Enzyme Method And The Determination Of Its Hydroxyl Radical Scavenging Ability, Xue Shan
Food and Machinery
The process of extracting the insoluble dietary fiber (IDF) of purple potato by ultrasonic-assisted enzymatic method was studied, and its antioxidation in vitro was also evaluated. The effect of five factors (ratio of material to liquid, ultrasonic time, ultrasonic power, alpha amylase dosage and enzyme hydrolysis temperature) on insoluble dietary fiber extraction rate were determined. Orthogonal optimization test was carried out on the basis of single factor test, and the antioxidant level of IDF was evaluated by hydroxyl radical (·OH) in vitro. The single factor test showed that among the factors, the enzymolysis temperature played the most significant role on …
Recent Advances In Rapid Detection Techniques Of Fungus Contamination In Dairy Products,
2018
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
Recent Advances In Rapid Detection Techniques Of Fungus Contamination In Dairy Products, Yang Tongxiang, Chang Xiaojing, Wu Kongyang, Fei Peng, Chen Junliang, Tang Haoguo, Liu Lili, Kang Huaibin
Food and Machinery
Fungus and their harmful substances become one of the most serious contamination in food. This article mainly summarizes the researches on the fungus contamination profile and fungus rapid detection techniques in dairy and dairy products in recent years. Comparing the application of traditional detection methods and rapid detection techniques in dairy products, it will improve the rapid detection techniques system and develop new detection system to better monitor the dairy products quality and promote the sustainable and healthy development of the dairy industry.
Optimization On The Enzymatic Preparation Of Extracellular Polysaccharide From Porphyridium Creuntum With Antioxidant Activities In Vitro,
2018
College of Ocean and Food Science, Quanzhou Normal University, Quanzhou, Fujian 362000, China; Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou, Fujian 362000, China; Key Laboratory of Inshore Resources
Optimization On The Enzymatic Preparation Of Extracellular Polysaccharide From Porphyridium Creuntum With Antioxidant Activities In Vitro, Dong Le, He Jingyan, Zheng Tingting, Dai Congjie, Huang Weihong, Li Yuanyue
Food and Machinery
The optimum enzymatic conditions of extracellular polysaccharide of Porphyridium creuntum (EPS) were investigated in this research. Based on the results of single factor experiment, by using the Box-Behnken response surface method array design, the optimum conditions for hydrolyzing EPS to obtain antioxidant hydrolysates with the highest hydroxyl radical scavenging activity were as follows: enzymolysis reaction time 6.3 h, enzymolysis reaction pH 8.0, enzymolysis temperature 63 ℃, and enzyme-to-substrate ratio 2.7 U/mg. Under the conditions, the scavenging rate of hydroxyl radical was 70.64%. Subsequently, the antioxidant activity of the enzymatic hydrolysates were determined in vitro. The results showed that the enzymatic …
The Effect Of Enzymatic Hydrolysis On The Stability And Color Of Ginkgo Cloudy Juice,
2018
School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
The Effect Of Enzymatic Hydrolysis On The Stability And Color Of Ginkgo Cloudy Juice, Ni Yang, Fan Liuping, Xu Xuewan
Food and Machinery
Ginkgo cloudy juice was produced for investigation in the present study. Orthogonal design was carried out to optimize the hydrolysis conditions of enzymic hydrolysis starch from ginkgo cloudy juice. The results showed that a high hydrolysis degree of 55% could be obtained under the optimum enzymatic treatment conditions: a-amylase dosage of 35 U/g kernel, glucoamylase dosage of 60 U/g kernel, hydrolysis temperature of 65 ℃. Ginkgo cloudy juice with different degree of hydrolysis were prepared by controlling hydrolysis time. The suspension and storage stability and some other physical properties including viscosity, droplet size and Zeta potential were characterized to research …
Study On The Optimization On Direct Compression Of Lycium Ruthenicum Murr. Submicron Powder,
2018
Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai 810008, China; University of the Chinese Academy of Sciences, Beijing 100049, China; Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai 8100
Study On The Optimization On Direct Compression Of Lycium Ruthenicum Murr. Submicron Powder, Deng Kai, Ding Chenxu, Suo Yourui
Food and Machinery
Appropriate excipients were selected for direct compression process of Lycium ruthenicum Murr. Tablets according to the powder properties were screened. The influence of different excipients was investigated based on single factor test with hardness, friability and disintegration time as comprehensive scores. Then, through the Box-Benhnken design of response surface method, the best prescription of the direct compression of Lycium ruthenicum Murr was made. The impact of the different environment on tablets quality also was detected. Conclusion: Microcrystalline cellulose SH102, anhydrous lactose, colloidal silicon were selected as excipients. powders was obtained as follows: microcrystalline cellulose SH102 content of 29.56%, anhydrous lactose …
Delivering Entrapped Lactobacillus Plantarum Ncimb 8826 With Cereal-Legume Infant-Weaning Food To Improve Children's Gastrointestinal Health,
2018
Louisiana State University and Agricultural and Mechanical College
Delivering Entrapped Lactobacillus Plantarum Ncimb 8826 With Cereal-Legume Infant-Weaning Food To Improve Children's Gastrointestinal Health, Emmanuel Kyereh
LSU Doctoral Dissertations
Diarrhea remains the second leading cause of death among children under five globally, about one in five children’s deaths are attributable to it. In recent years,’ probiotics have been used as an alternative therapy measure to manage the situation. A promising delivery method that entraps probiotics in infant formula may help prevent or reduce diarrhea. The overall objectives of this study were to deliver entrapped Lactobacillus Plantarum NCIMB 8826 with maize-legume fortified complementary weaning food to reduce diarrhea and improve the gut microbiota. Both in vitro and in vivo models were used in this study and a mouse (C57BL/6 mice …
Cloning And Characterization Of A Pyrethroid Pesticide Decomposing Esterase Gene, Est3385, From Rhodopseudomonas Palustris Psb-S,
2018
Hunan Academy of Agricultural Science, China
Cloning And Characterization Of A Pyrethroid Pesticide Decomposing Esterase Gene, Est3385, From Rhodopseudomonas Palustris Psb-S, Xiangwen Luo, Deyong Zhang, Xuguo Zhou, Jiao Du, Songbai Zhang, Yong Liu
Entomology Faculty Publications
Full length open reading frame of pyrethroid detoxification gene, Est3385, contains 963 nucleotides. This gene was identified and cloned based on the genome sequence of Rhodopseudomonas palustris PSB-S available at the GneBank. The predicted amino acid sequence of Est3385 shared moderate identities (30–46%) with the known homologous esterases. Phylogenetic analysis revealed that Est3385 was a member in the esterase family I. Recombinant Est3385 was heterologous expressed in E. coli, purified and characterized for its substrate specificity, kinetics and stability under various conditions. The optimal temperature and pH for Est3385 were 35 °C and 6.0, respectively. This enzyme could …
Effect Of Gallic And Ferulic Acids On Oxidative Phosphorylation On Candida Albicans (A72 And Sc5314) During The Yeast-To-Hyphae Transition,
2018
University of Nebraska-Lincoln
Effect Of Gallic And Ferulic Acids On Oxidative Phosphorylation On Candida Albicans (A72 And Sc5314) During The Yeast-To-Hyphae Transition, Rehab Aldahash
Department of Food Science and Technology: Dissertations, Theses, and Student Research
Candida albicans is a dormant commensal in the mucosa of healthy individuals but can become an opportunistic pathogen when the host microflora is compromised. It has been reported as the most common cause of fungal infection among hospitalized U.S. patients, with elevated mortality rate. Candida species have been reported as resistant to antifungal drugs that increase the application of novel strategies to treat this infection. Among the natural compounds that have most gained attention as potential agents against fungi are phenolic compounds against fungi. C. albicans has the ability to switch phenotype from yeast-to-hyphae cells, with hyphae being the most …
