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Articles 1 - 30 of 65
Full-Text Articles in Life Sciences
Study On Properties Of Polyvinyl Alcohol/Nanocellulose/Pomegranate Peel Polyphenol Composite Antibacterial Films, Li Hui, Tian Jia-Yao, Pang Shan-Shan, Gong Guo-Li
Study On Properties Of Polyvinyl Alcohol/Nanocellulose/Pomegranate Peel Polyphenol Composite Antibacterial Films, Li Hui, Tian Jia-Yao, Pang Shan-Shan, Gong Guo-Li
Food and Machinery
Objective: This study aimed to develop a kind of green antibacterial and antioxidant food packaging film. Methods: Polyvinyl alcohol/nanocellulose crystal/pomegranate peel polyphenol composite antibacterial films were prepared by blending method with pomegranate peel polyphenol as functional active substance, and their properties were characterized. Results: The continuity of the film surface was affected by the addition of pomegranate peel polyphenols. When the addition of polyphenols in pomegranate peel was 5 times the minimum bacteriostatic concentration, the water permeability of the film increased by 28.79%, and the tensile strength, elongation at break, hydrophobicity and light transmittance decreased by 44.97%, 29.37%, 36.36% and …
Study On Supercritical Co2 Extraction Process, Volatile Components And Antioxidant Activity Of Rose Oil From Dianhong Rose, Liu Jin-Yun, Chang Jian, Jiang Zhuo-Fang, Xu Chong-Jun, Cheng Wan, Wu Heng
Study On Supercritical Co2 Extraction Process, Volatile Components And Antioxidant Activity Of Rose Oil From Dianhong Rose, Liu Jin-Yun, Chang Jian, Jiang Zhuo-Fang, Xu Chong-Jun, Cheng Wan, Wu Heng
Food and Machinery
Objective: Comprehensive utilization of Dianhong rose resources to improve the added value of products. Methods: The single-factor experiment and response surface experiment were used to optimize the extraction process of supercritical CO2 with essential oil yield as the measurement index. The composition and relative content of different rose oils were analyzed by GC-MS. The components and relative contents of different rose oils were analyzed by GC-MS, and the antioxidant activities of different rose oils were evaluated. Results: The results showed that the optimal extraction parameters were as followed: particle size of 40 mesh, extraction pressure of 25.5 MPa, extraction …
Preparation Of Antioxidant Hydrolysate Of Agaricus Blazei Murill, Chen Zhuo-Juan, Ke Xiu-Xian, Huang Xiao
Preparation Of Antioxidant Hydrolysate Of Agaricus Blazei Murill, Chen Zhuo-Juan, Ke Xiu-Xian, Huang Xiao
Food and Machinery
Objective: This study aimed to investigate the technological conditions for the preparation of antioxidant hydrolysate of Agaricus blazei Murill and analyze the nutritional components of the hydrolysate. Methods: Papain, cellulase and pectinase were prepared in mpapain∶mcellulase∶mpectinase ratio of 3∶4∶4 to dissolve the fruiting bodies of A. blazei. Response surface test was used to optimize the enzymatic hydrolysis process of A. blazei. Results: The optimal conditions of compound enzyme hydrolysis were as follows: compound enzyme dosage 0.5%, pH 6.2, hydrolysis temperature 49 ℃, hydrolysis time 147 min. Under these conditions, when the concentration of A. blazei …
Effect Of Aqueous Extract With Areca Catechu Pedicle On Mycelial Quality And Antioxidant Activity Of Three Edible Fungi, Bao Yi-Hong, Lai Zhang-Fei, Ma Yin-Peng, Jia Yu-Tong, Pan Fei-Bing, Kuang Feng-Jiao
Effect Of Aqueous Extract With Areca Catechu Pedicle On Mycelial Quality And Antioxidant Activity Of Three Edible Fungi, Bao Yi-Hong, Lai Zhang-Fei, Ma Yin-Peng, Jia Yu-Tong, Pan Fei-Bing, Kuang Feng-Jiao
Food and Machinery
Objective: In order to reuse the Areca catechu by-product—A. catechu pedicle, and improve the quality of mycelium of edible fungi, the effect of the pedicle aqueous extract on the liquid fermentation of edible fungi was investigated. Methods: Pleurotus ostreatus, Pleurotus citrinopileatus Singer, and Flammulina velutiper were selected as the test strains, and the effects of the addition of A. catechu pedicle aqueous extract on the quality of mycelium and the activity of enzymes related to the growth and metabolism of the three strains were investigated, by using mycelial growth rate, biomass, mycelial active ingredients and antioxidant activity as indicators. Results: …
Optimization Of Extraction Technology Of General Flavone From Yunnan Diaphragma Juglandis Fructus And Its Antioxidant Activities And Effects On Lipid-Changed L02 Hepatocytes, Feng Zhang, Ya-Ge Ma, Xi Zhang, Jing-Juan Yang, Sheng-Lan Zhao
Optimization Of Extraction Technology Of General Flavone From Yunnan Diaphragma Juglandis Fructus And Its Antioxidant Activities And Effects On Lipid-Changed L02 Hepatocytes, Feng Zhang, Ya-Ge Ma, Xi Zhang, Jing-Juan Yang, Sheng-Lan Zhao
Food and Machinery
The extraction process of the general flavonoids from Diaphragma juglandis Fructus (DJF) in Yunnan was optimized. and the ability of the general flavonoids extracts to scavenge hydrogen peroxide (H2O2), superoxide anion free radicals (O ·), hydroxyl free radicals (·OH) and DPPH free radicals (DPPH·) and the role of reducing fatty degeneration L02 liver intracellular total cholesterol (TC) and triglycerides (TG) were investigated. The results showed that the best extraction process for general flavonoids from Yunnan DJF was extraction with 55% ethanol at 80 ℃ for 80 min. Under the control of these conditions, the extraction yield …
Optimization On Fermentation Process Of High Antioxidant Activity Of Malus Doumeri Fruits Beverage, Tian-De Cheng, Qing-Tong Xie, Li-Jun You
Optimization On Fermentation Process Of High Antioxidant Activity Of Malus Doumeri Fruits Beverage, Tian-De Cheng, Qing-Tong Xie, Li-Jun You
Food and Machinery
The comprehensive evaluation model of antioxidant capacity of Malus doumeri fruits beverage was determined by principal component analysis. Based on the antioxidant capacity of fermented beverage of Malus doumeri fruits, the single factor test and the response surface methodology were used to find out optimal fermentation conditions. Results showed that the comprehensive antioxidant capacity of Malus doumeri fruits fermented beverage was F综合=1.214 2×(0.386 2F1+0.241 2F2+0.196 2F3). The optimal fermentation parameters of antioxidant fermented beverage of Malus doumeri fruits were: starting at pH 5.0, fermentation temperature 30 ℃, adding 20 g/100 mL of …
Study On Antioxidant Effect Of Flavonoids From Artemisia Argyi And Its Application In Preservation Of Fresh Grade Breast, Yu-Hua Yang, Yan Huang, Wei-Peng Zheng
Study On Antioxidant Effect Of Flavonoids From Artemisia Argyi And Its Application In Preservation Of Fresh Grade Breast, Yu-Hua Yang, Yan Huang, Wei-Peng Zheng
Food and Machinery
In this paper, the total reducing power, O ·, ·OH and DPPH· scavenging capacity of the flavonoids from Artemisia argyi were studied by ultrasonic assisted extraction and macroporous resin purification. The changes of pH values, TBARS, TVB-N, redness value, hydrogen sulfide and other physical and chemical indexes of fresh grade breast and its effects on sensory quality were investigated .The results showed that the purified flavonoids from Artemisia argyi had a strong total reduction power and a good linear relationship, with the good scavenging ability for O ·, ·OH, and DPPH·, and the scavenging ability has a certain dose-effect relationship …
Effect Of Ultrasound-Assisted Thin Bed Drying For Retaining The Quality Of Red Bell Pepper And Compare The Predictive Ability Of The Mathematical Model With Artificial Neural Network, Raju Sasikumar, Irengbam Barun Mangang, Kamchampati Vivek, Amit K. Jaiswal
Effect Of Ultrasound-Assisted Thin Bed Drying For Retaining The Quality Of Red Bell Pepper And Compare The Predictive Ability Of The Mathematical Model With Artificial Neural Network, Raju Sasikumar, Irengbam Barun Mangang, Kamchampati Vivek, Amit K. Jaiswal
Articles
Red bell peppers (Capsicum ann. L.) are low in calories and high in nutrients, including vitamins A and C. Various factors such as weight loss, senescence, and microbial influence affect their quality during storage. To address this, the present study aims to preserve and retain the quality of red bell peppers using ultrasound-assisted thin-bed drying. The results were analyzed using an Artificial Neural Network (ANN) for more accurate prediction of variables involved in the process. Variations in moisture ratio and moisture content during drying were calculated and predicted. The Mid. model provided satisfactory curve fitting at an air velocity of …
Physicochemical, Technofunctional, In Vitro Antioxidant, And In Situ Muscle Protein Synthesis Properties Of A Sprat (Sprattus Sprattus) Protein Hydrolysate, Niloofar Shekoohi, Azza Silotry Naik, Miryam Amigo Benevent, Padraigin A. Harnedy-Rothwell, Brian P. Carson, Richard J. Fitzgerald
Physicochemical, Technofunctional, In Vitro Antioxidant, And In Situ Muscle Protein Synthesis Properties Of A Sprat (Sprattus Sprattus) Protein Hydrolysate, Niloofar Shekoohi, Azza Silotry Naik, Miryam Amigo Benevent, Padraigin A. Harnedy-Rothwell, Brian P. Carson, Richard J. Fitzgerald
Articles
This study characterized the physicochemical, technofunctional, and in vitro antioxidant properties along with the AA profile and score of a sprat protein enzymatic hydrolysate (SPH). Furthermore, the impact of the SPH on the growth, proliferation, and muscle protein synthesis (MPS) in skeletal muscle (C2C12) myotubes was examined. The SPH displayed good solubility and emulsion stabilization properties containing all essential and non-essential AAs. Limited additional hydrolysis was observed following in vitro-simulated gastrointestinal digestion (SGID) of the SPH. The SGID-treated SPH (SPH-SGID) displayed in vitro oxygen radical antioxidant capacity (ORAC) activity (549.42 μmol TE/g sample) and the ability to reduce (68%) reactive …
Antibacterial, Antioxidant, And Repellency Potential Of The Essential Oil From Spartium Junceum L. Grown In Lebanon, Hawraa Zahrddin, Mahmoud Khalil, Akram Hijazi
Antibacterial, Antioxidant, And Repellency Potential Of The Essential Oil From Spartium Junceum L. Grown In Lebanon, Hawraa Zahrddin, Mahmoud Khalil, Akram Hijazi
BAU Journal - Science and Technology
The goal of our present study is to assess the pharmacological potential of essential oil extracted from Spartium junceum cultivated in Lebanon. This oil was obtained by hydrodistillation using the Clevenger apparatus. Then, an organoleptic characterization and an evaluation of its antioxidant, repellent/insecticidal, and antibacterial activities have been evaluated. The obtained results showed that this oil had an antioxidant activity reaching 82 % dependent on the dilution used. In addition, it showed an insecticidal effect and an antibacterial effect.
Antioxidant And Α-Amylase Inhibitory Activities And Starch Hydrolysis Kinetics Of Kidney Bean By Simulating Digestion In Vitro, Shi Juan, Bao Hong-Hui, Zhang Pei, Zhang Ti-Pei, Zhou Rui
Antioxidant And Α-Amylase Inhibitory Activities And Starch Hydrolysis Kinetics Of Kidney Bean By Simulating Digestion In Vitro, Shi Juan, Bao Hong-Hui, Zhang Pei, Zhang Ti-Pei, Zhou Rui
Food and Machinery
Objective: To evaluate the physiological effects of whole kidney been food and develop functional resources of different color kidney beans. Methods: The contents of total polyphenols, flavonoids and acid polysaccharides, and antioxidant and α-amylase inhibitory activities of digestive solution and starch hydrolysis kinetics and glucose diffusion properties of three kidney bean were investigated through in vitro simulated gastrointestinal digestion. Results: The contents of total polyphenols, flavonoids and acid polysaccharides, and antioxidant and α-amylase inhibitory activities were black kidney bean>red kidney bean>white kidney bean (P<0.05). The kinetic rate of first order reaction of starch hydrolysis, rapidly digestible starch …
Optimization Of Puffing Process Of Blueberry Residue Composite Indica Rice And Its Antioxidant Activity, Zhang Xinzhen, Yang Tao, Jiang Yiting, Ju Feilong, Gao Yang, Sun, Li Xueling, Liang Jin
Optimization Of Puffing Process Of Blueberry Residue Composite Indica Rice And Its Antioxidant Activity, Zhang Xinzhen, Yang Tao, Jiang Yiting, Ju Feilong, Gao Yang, Sun, Li Xueling, Liang Jin
Food and Machinery
Objective: This study aimed to research and develop puffed blueberry dregs indica rice and fruit snack food. Methods: Using indica rice flour and blueberry residue powder as raw materials, three experimental factors including moisture content, extrusion temperature and screw speed were selected, and the expansion degree, anthocyanin content and sensory score were taken as comprehensive indexes. The expansion process was optimized by single factor and orthogonal test, and the antioxidant activity of the expanded products was studied. Results: The optimum process parameters were as follows: the moisture content of the material was 16%, the temperature of the …
Antioxidant Properties Of Polysaccharides From Platycodon Grandiflorum And Its Hypoglycemic Effect On Type 2 Diabetic Rats, Zhao Kai-Di, Wang Qiu-Dan, Lin Chang-Qing
Antioxidant Properties Of Polysaccharides From Platycodon Grandiflorum And Its Hypoglycemic Effect On Type 2 Diabetic Rats, Zhao Kai-Di, Wang Qiu-Dan, Lin Chang-Qing
Food and Machinery
Objective: This study aimed to investigate the antioxidant activity of polysaccharides fromPlatycodon grandiflorumand its hypoglycemic effect on type 2 diabetic rats.Methods: Extraction and determination ofP. grandiflorum polysaccharide content and its ability to scavenge different free radicals The rats were fed with high-fat and high-sugar feed for 6 weeks. After 6 weeks, the rats were intraperitoneally injected with STZ (30 mg/kg·BW) to establish type 2 diabetes models (T2DM), which were divided into normal group, model group, andP. grandiflorum-polysaccharide high-dose group (400 mg/kg) and low-dose group (200 mg/kg), and positive group (metformin 200 mg/kg). The body weight and fasting blood glucose …
Optimization Of Extraction Process Of Polyphenols From Olive Leaves And Its Effect On Oxidative Stability Of Camellia Seed Oil, Shang Fang-Yuan, Pan Li, Gu Ke-Ren, Li Xue-Qin
Optimization Of Extraction Process Of Polyphenols From Olive Leaves And Its Effect On Oxidative Stability Of Camellia Seed Oil, Shang Fang-Yuan, Pan Li, Gu Ke-Ren, Li Xue-Qin
Food and Machinery
Objective: The application of olive leaf, a by-product of olive oil production, in food industry was studied. Methods: Taking the yield of olive leaf polyphenols as the evaluation index, on the basis of single factor experiment, the effects of water bath temperature, extraction time and solid-liquid ratio on the yield of polyphenols were analyzed by Box-Behnken response surface method, the effects of olive leaf polyphenols on the oxidative stability of camellia seed oil were studied with peroxide value and acid value as indexes. Results: The optimum extraction conditions of polyphenols from olive leaves by water bath were …
Optimization Of The Biotransformation Process Pumpkin Polysaccharide By Using Lactobacillus Plantarum, Li Xiao-Jie, Guo Yi, Ma Qing, Wang Pu, Xiao Ping
Optimization Of The Biotransformation Process Pumpkin Polysaccharide By Using Lactobacillus Plantarum, Li Xiao-Jie, Guo Yi, Ma Qing, Wang Pu, Xiao Ping
Food and Machinery
Objective: This study aimed to improve the technological conditions of antioxidant activity of pumpkin polysaccharide. Methods:The effects of temperature, pumpkin powder/distilled water ratio of solid to liquid, inoculation amount and shaking speed on the extraction rate of bio-transformed pumpkin polysaccharide were investigated, and the scavenging ability of pumpkin polysaccharide on DPPH free radical was studied. Results:The optimal conditions were inoculation amount 1% and solid-liquid ratio 1∶30 (g/mL), with shaking speed of 100 r/min at 37 ℃. Under the control of these conditions, the scavenging rate of DPPH free radical was (54.61±1.58)%. The in vitro antioxidant activity of the …
Study On Anti-Fatigue Activities Of Chick-Pea Oligopeptides, Jia Qian-Sheng, Liu Yuan-Yang, Li Dan
Study On Anti-Fatigue Activities Of Chick-Pea Oligopeptides, Jia Qian-Sheng, Liu Yuan-Yang, Li Dan
Food and Machinery
Objective:The purpose of this study was to explore the antioxidative activity in vitro experiments and the anti-fatigue activity of chickpea oligopeptides in mice. Methods:In this study, the antioxidant capacity of chickpea oligopeptide was detected by in vitro method, and the anti-fatigue capacity of chickpea oligopeptide was comprehensively evaluated by detecting physiological and biochemical indexes of mice. Results:The superoxide anion radical scavenging ability IC50of chickpea oligopeptide was 4.26 mg/mL, which was significantly higher than that of GSH positive control group (P<0.05); The reducing power of chickpea oligopeptide was significantly higher than that of GSH positive control …
Study On Physicochemical Properties, Antioxidant And Relieve Hyperchlorhydria Of Alkaline Electrolyzed Water With Different Negative Orp Value, Xia Rui, Zhong Geng, Li Tian, Yang Wang-Fu, Gao Yu-Ge
Study On Physicochemical Properties, Antioxidant And Relieve Hyperchlorhydria Of Alkaline Electrolyzed Water With Different Negative Orp Value, Xia Rui, Zhong Geng, Li Tian, Yang Wang-Fu, Gao Yu-Ge
Food and Machinery
Objective:Alkaline electrolyzed water (AEW) produced by drinking water electrolysis with three different negative REDOX potential values was used to study its physical and chemical properties, antioxidant and gastric acid relieving capacity.Methods:The pH value, oxidation-reduction potential (ORP), total dissolved solids (TDS) and mineral content of AEW were determined, and the free radical scavenging rate and anti-lipid peroxidation ability of AEW were studied by spectrophotometry. The acid capacity of different water samples in vitro was studied by artificial gastric model.Results:The negative ORP value of AEW is positively correlated with the pH value (P<0.01). The scavenging …
Nutrition Components And Active Substance Content And Antioxidant And Antibacterial Activity Of Acer Tegmentosum Maxim Bark, Guo Yu-Yuan, Jin Tie-Yan, Zhang Zhi-Yong
Nutrition Components And Active Substance Content And Antioxidant And Antibacterial Activity Of Acer Tegmentosum Maxim Bark, Guo Yu-Yuan, Jin Tie-Yan, Zhang Zhi-Yong
Food and Machinery
Objective:This study aimed to enrich the source of natural antioxidants and antibacterial agents and explore the development potential of the biological activity of Aceraceae. Methods:The nutrition components ofAcer tegmentosum Maxim (AT) bark and the total phenols content and total flavonoid content of ethanol extract (ATEE) and water extract (ATWE) were measured, and the contents of salidroside and tyrosol were determined by HPLC. DPPH radical, ABTS cationic radical, hydroxyl radical scavenging ability and ferric reducing power of extracts were determined. The antibacterial activity was evaluated by measuring the minimal inhibitory concentration (MIC) againstStreptococcus mutans,Staphylococcus aureus andEscherichia coli. Results:The …
Purification Processing Of Pigment From Boletus Eduliswith Macroporous Resin And Its Antioxidant Capacity, Guo Lei, Zi Lu-Xi, Cui Qi, Zhou Yu, Qiu Hui-Ting, Kan Huan
Purification Processing Of Pigment From Boletus Eduliswith Macroporous Resin And Its Antioxidant Capacity, Guo Lei, Zi Lu-Xi, Cui Qi, Zhou Yu, Qiu Hui-Ting, Kan Huan
Food and Machinery
Objective:The aim of this work is to obtain the optimal purification process of pigment from Boletus edulis by macroporous resin, and study its antioxidant activity. Methods:Based on the static and dynamic test, the influence of resin type, sample concentration, pH, loading flow ratio, ethanol concentration and elution flow ratio on the adsorption and desorption activity of Boletus edulis pigment were investigated to determine the optimal purification conditions. Then the structure, the DPPH·, ABTS+· and ·OH scavenging activity of the Boletus edulis pigment purified was also evaluated. Results:AB-8 was the most suitable type of macroporous resin and the optimum …
Antioxidant Activity And Qualitative Analysis Of Wheat Bran Polyphenols Purified Using Hpd 600 Macroporous Resin, Tian Fu-Lin, Huang Wen-Jing, Zhang Chi, Shen Wang-Yang, Wu Fan
Antioxidant Activity And Qualitative Analysis Of Wheat Bran Polyphenols Purified Using Hpd 600 Macroporous Resin, Tian Fu-Lin, Huang Wen-Jing, Zhang Chi, Shen Wang-Yang, Wu Fan
Food and Machinery
Objective: A process was developed for the purification of bran polyphenols from HPD 600 macroporous resin. The purity and antioxidant activity of the extracts were analyzed before and after purification, and the polyphenol fractions in the purified products were characterized. Methods: The bound polyphenols in wheat bran were extracted by alkali hydrolysis, and the dynamic adsorption-desorption conditions of the macroporous resin were optimized by single-factor test to determine the optimal purification process. The antioxidant activity fraction was determined by ABTS and DPPH radical scavenging rate. The characterization of the polyphenol fraction in the purified product was completed by UPLC-MS/MS. Results: …
Study On Antioxidant Activity And Probiotic Proliferation Of Lycium Barbarum Oligosaccharides In Vitro, Liu Hao, Cui Bo, Yu Bin
Study On Antioxidant Activity And Probiotic Proliferation Of Lycium Barbarum Oligosaccharides In Vitro, Liu Hao, Cui Bo, Yu Bin
Food and Machinery
Objective: To improve the development and utilization rate of Lycium barbarum in the saline-alkali land of the Yellow River Delta. Methods: Ultraviolet spectrophotometer was used to determine the scavenging effect of Lycium barbarum oligosaccharide on free radicals and its effect on the growth curve and pH value of Bifidobacterium adolescentis, so as to determine its antioxidant performance and the ability to proliferate probiotics. Results: The concentration of Lycium barbarum oligosaccharide reached 2.0 mg/mL, the maximum scavenging rates of DPPH·, ABTS+ and hydroxyl radical reached (65.32±0.03)%, (99.93±0.05)% and (21.86±0.01)%, respectively, when the concentration was between 0.1~0.5 mg/mL, it showed …
Optimization And Antioxidant Study Of Protein Film Prepared From Corn Germ Pulp, Zhang Jin-Feng, Wang Yan-Wen, Fan Heng-Jun, Zhang Yu-Ting
Optimization And Antioxidant Study Of Protein Film Prepared From Corn Germ Pulp, Zhang Jin-Feng, Wang Yan-Wen, Fan Heng-Jun, Zhang Yu-Ting
Food and Machinery
Objective: This study aimed to prepare a zein film from the gliadin in corn-germ pulp and study its process, performance and antioxidant properties. Methods: The corn-germ pulp was used as raw material, and zein was extracted from corn germ pulp by alkali-soluble acid precipitation. A certain amount of ethanol solution was added, and then an appropriate amount of plasticizer and reducing agent was added by using the ultrasonic assist method. After the membrane solution was in a water-bath at room temperature for 30 minutes, the membrane solution was cast into a zein membrane. The influence of the four factors of …
Essential Oil Yield, Composition, And Bioactivity Of Sagebrush Species In The Bighorn Mountains, Valtcho D. Zheljazkov, Charles L. Cantrell, Ekaterina A. Jeliazkova, Tess Astatkie, Vicki Schlegel
Essential Oil Yield, Composition, And Bioactivity Of Sagebrush Species In The Bighorn Mountains, Valtcho D. Zheljazkov, Charles L. Cantrell, Ekaterina A. Jeliazkova, Tess Astatkie, Vicki Schlegel
Department of Food Science and Technology: Faculty Publications
Sagebrush (Artemisia spp.) are dominant wild plants in large areas of the U.S., Canada and Mexico, and they include several species and subspecies. The aim was to determine if there are significant differences in essential oil (EO) yield, composition, and biological activity of sagebrush within the Bighorn Mountains, U.S. The EO yield in fresh herbage varied from 0.15 to 1.69% for all species, including 0.25–1.69% in A. tridentata var. vaseyana, 0.64–1.44% in A. tridentata var. tridentata, 1% in A. tridentata var. wyomingensis, 0.8–1.2% in A. longifolia, 0.8–1% in A. cana, and 0.16% in A. ludoviciana. There was …
Antioxidant Synergism Between Α-Tocopherol And A High Phosphatidylserine Modified Lecithin, Harshika Arora
Antioxidant Synergism Between Α-Tocopherol And A High Phosphatidylserine Modified Lecithin, Harshika Arora
Masters Theses
Phospholipids, such as phosphatidylserine (PS) have been shown to work synergistically with tocopherols to extend the shelf life of oil-in-water emulsions. However, the high cost of PS prevents it from being used as a food additive. This work investigated the potential use of a high PS enzyme-modified lecithin to be used along with α-tocopherol to extend the lag phase of oil-in-water emulsions stabilized using Tween 20. Phospholipase D from Streptomyces sp. and L-serine were used to modify lecithin to increase PS concentration. Enzyme activity was optimized as a function of pH and temperature using a high PC soybean lecithin. The …
Insects As A Source Of Phenolic Compounds And Potential Health Benefits, M C. Nino, Lavanya Reddivari, C Osorio, I Kaplan, A M. Liceaga
Insects As A Source Of Phenolic Compounds And Potential Health Benefits, M C. Nino, Lavanya Reddivari, C Osorio, I Kaplan, A M. Liceaga
Department of Food Science Faculty Publications
The use of insects in traditional medicine and unveiling the chemical structure of the bright pigments in butterfly wings led to the discovery of bioactive phenolic compounds in the insect bodies. These metabolites have been found not only due to the insect absorption and metabolisation of the plant-derived phenolic present in their diet, but also from the ability of insects to synthesise phenolic compounds de novo through the sclerotisation process. Plant phenolics are secondary metabolites involved in the protection of tissues against UV radiation, herbivores, and pathogens, as well as pigmentation of fruits and flowers. These bioactive compounds exhibit antioxidant, …
Bibliometric Analysis Of The 200 Most Cited Articles On Antioxidant From 1976-2020, Ghouse Modin Nabeesab Mamdapur Mr., Neelesh Kumar Nema Dr., Baby Kumaranthara Chacko Dr., Jose Paul Dr.
Bibliometric Analysis Of The 200 Most Cited Articles On Antioxidant From 1976-2020, Ghouse Modin Nabeesab Mamdapur Mr., Neelesh Kumar Nema Dr., Baby Kumaranthara Chacko Dr., Jose Paul Dr.
Library Philosophy and Practice (e-journal)
Antioxidant helps to reduce various disorders and control pathological conditions such as cancer, aging, cardiovascular disease, cataracts, immune system decline, and brain dysfunction etc. In this study, the top 200 highly cited articles (citations 327,657) with total 647 authors were retrieved from Elsevier’s Scopus database (105,440 hits) by the keyword “antioxidant” published across the worldwide for the timespan 1976-2020 years. The data were analysed through bibliometric indicators by using VOSviewer and biblioshiny tools to explore various parameters i.e. keywords co-occurrence, authors contribution, highly cited journals, affiliations/organization engaged and worldwide collaboration. In the year 2001 and 1996, maximum number of …
Antioxidant Properties Of Pecan Shell Bioactive Components Of Different Cultivars And Extraction Methods, Cameron Cason, Veerachandra K. Yemmireddy, Juan Moreira, Achyut Adhikari
Antioxidant Properties Of Pecan Shell Bioactive Components Of Different Cultivars And Extraction Methods, Cameron Cason, Veerachandra K. Yemmireddy, Juan Moreira, Achyut Adhikari
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
Pecan shells are a rich source of various bioactive compounds with potential antioxidant and antimicrobial properties. This study investigated the effect of pecan variety and method extraction on the antioxidant property of shell extracts. Twenty different varieties of pecan shells were subjected to either aqueous or ethanolic extraction and were examined for total phenolics and antiradical activity. The phenolic content and antiradical activity of shell extracts were significantly (p < 0.05) varied with different pecan cultivars. The total phenolic content of ethanol extracts ranged from 304.2 (Caddo) to 153.54 (Cherokee) mg GAE/g of dry extract and was significantly greater (p < 0.05) than those obtained by aqueous extraction. The antiradical activity of ethanol extracts ranged from 840.6 (Maramec) to 526.74 (Caper Fear) mg TEg−1, while aqueous extracts ranged from 934.9 (Curtis) to 468.3 (Elliot) mg TEg−1. Chemical profiling of the crude and acid hydrolyzed extracts was performed by reverse phase high performance liquid chromatography and flow injection electrospray ionization mass spectrometry. Lignin degradation products such as lignols, dilignols, trilignols, and oligolignols were found to be the major components of tested extracts. Phenolic content and antiradical activity of pecan shell extracts are significantly varied with cultivars and methods of extraction.
Seaweeds Polysaccharides In Active Food Packaging: A Review Of Recent Progress, Carina Dietz, Shubham Sharma, Amit Jaiswal, Swarna Jaiswal
Seaweeds Polysaccharides In Active Food Packaging: A Review Of Recent Progress, Carina Dietz, Shubham Sharma, Amit Jaiswal, Swarna Jaiswal
Articles
Background
Due to its short lifetime, food packaging leads to a rapid accumulation of plastic in our surroundings and thereby also has a huge impact on environmental pollution. To reduce these effects and create a more sustainable approach towards food packaging, biodegradable and biobased polymers have been developed and are emerging on the market.
Scope and approach
This review provides the current state of research regarding active packaging and the incorporation of seaweed into food packaging. Further, it summarises the resulting consequences of the seaweed incorporation on mechanical, physical, thermal, antioxidant, antimicrobial, and chemical properties, as well as the release …
Antioxidant Properties And Anti-Cancer Effects Of Polyphenols In Sweetpotato Leaves, Josue Bolanos
Antioxidant Properties And Anti-Cancer Effects Of Polyphenols In Sweetpotato Leaves, Josue Bolanos
Graduate Theses and Dissertations
Although the root is widely consumed, sweetpotato leaves (SPL) are often discarded and are only consumed in a few countries. In the United States, SPL consumption is limited to private gardens, particularly in the Southeastern United States. Not only are SPL a good source of nutrients such as vitamins and minerals, but they also contain polyphenol compounds including the caffeoylquinic acid derivatives and carotenoids such as lutein. Several studies have shown the polyphenol contents and antioxidant capacities of SPL, which vary based on year and variety, while few studies have shown anti-colon cancer effects of SPL. Therefore, this study investigated …
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
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 …