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MICROBIOLOGICAL COMPLEX FOR MODELING PROCESSES IN THE GASTROINTESTINAL TRACT OF ANIMALS 用于模拟动物胃肠道过程的微生物复合物
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.551l
A. Lukyanov, D. Donskoy, M. Vernezi, M. Mazanko, Tatiana S. Onoyko
{"title":"MICROBIOLOGICAL COMPLEX FOR MODELING PROCESSES IN THE GASTROINTESTINAL TRACT OF ANIMALS","authors":"A. Lukyanov, D. Donskoy, M. Vernezi, M. Mazanko, Tatiana S. Onoyko","doi":"10.46793/sbt28.551l","DOIUrl":"https://doi.org/10.46793/sbt28.551l","url":null,"abstract":"In vivo modeling of digestive processes is not a standard mathematical modeling task, taking advanced technologies of several sciences. This article will consider a microbiological complex for modeling the processes occurring in the gastrointestinal tract of animals. The system belongs to mini-models with a working volume of up to 400 ml, the simulation of the dynamics of the mixing of the chyme is static, which significantly simplifies the methodology of conducting experiments, but imposes difficulties on the stages of pretreatment of food matrices. The following characteristics are achieved: reactor volume from 50 to 100 mL; a pH accuracy of ± 0.1; temperature accuracy of ± 0.063 °C.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129644240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CHEMICAL ANALYSIS OF DIFERENT BRANDS OF ORANGE JUICE IN SERBIAN MARKET 塞尔维亚市场上不同品牌橙汁的化学分析
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.503m
Jelena Mašković, G. Paunović, P. Mašković, Ivana Kaplarević
{"title":"CHEMICAL ANALYSIS OF DIFERENT BRANDS OF ORANGE JUICE IN SERBIAN MARKET","authors":"Jelena Mašković, G. Paunović, P. Mašković, Ivana Kaplarević","doi":"10.46793/sbt28.503m","DOIUrl":"https://doi.org/10.46793/sbt28.503m","url":null,"abstract":"The chemical analysis of five different brands of orange juice in the Serbian market were evaluated to determine their overall quality. Assays were evaluated for eight quantitative characters: pH value, moisture content, total solids, acidity, content of Ca2+, Mg2+, Cl- and Vitamin C at the laboratory of the Faculty of Agronomy, Čačak. The analyses were performed under the Ordinance on fruit juices and certain related products intended for human consumption (\"Official Gazette of RS\", No. 103/2018, 94/2019, 2/2020 - correction, 84/2020). Generally, the juice samples were within the regulatory specifications, and are fit for consumption.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132226985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CHEMICAL COMPOSITION OF LEMON GRASS EXTRACTS 柠檬草提取物的化学成分
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.509m
J. Mladenović, Đorđe E Jovanović, N. Pavlović, M. Đurić, L. Bošković-Rakočević, J. Zdravković
{"title":"CHEMICAL COMPOSITION OF LEMON GRASS EXTRACTS","authors":"J. Mladenović, Đorđe E Jovanović, N. Pavlović, M. Đurić, L. Bošković-Rakočević, J. Zdravković","doi":"10.46793/sbt28.509m","DOIUrl":"https://doi.org/10.46793/sbt28.509m","url":null,"abstract":"The plant lemon grass (Aloisia citrodora) was used as material in this work. The percentage of dry matter, organic acids and cellulose, was determined from the fresh plant material. Extracts are obtained from chopped dry lemongrass leaves. Extraction was done by maceration, Soxhlet and ultrasound. The content of extracted matter in the obtained extracts was determined, as was the content of vitamin C.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130813270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A MATHEMATICAL MODEL FOR CONTROLLING THE ACIDITY OF A SOLUTION IN A BIOREACTOR OF THE ARTIFICIAL GIT OF POULTRY 控制家禽人工饲料生物反应器中溶液酸度的数学模型
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.545l
A. Lukyanov, D. Donskoy, V. Filipović, T. B. Asten
{"title":"A MATHEMATICAL MODEL FOR CONTROLLING THE ACIDITY OF A SOLUTION IN A BIOREACTOR OF THE ARTIFICIAL GIT OF POULTRY","authors":"A. Lukyanov, D. Donskoy, V. Filipović, T. B. Asten","doi":"10.46793/sbt28.545l","DOIUrl":"https://doi.org/10.46793/sbt28.545l","url":null,"abstract":"Reactions of neutralization occur with significant nonlinearity, which determines the control algorithms in the mode of periodic dosing of a volume of acid or alkali. Such regulation may have little effectiveness due to the fluctuation or impossibility of regulation due to insufficient or excessive concentration. This article precisely regulates the hydrogen index in mini- bioreactors and proposes the use of a digital model of the acidity management system for the selection of concentrations of topped-up solutions, determination of the regulation methodology, and improvement of accuracy pH regulation in an in vitro mini-model of the gastrointestinal tract (GIT) of a static type.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"116 1 Suppl 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131660674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
UPTAKE OF HEAVY METALS BY WHEAT (Triticum aestivum L.): POT EXPERIMENT 小麦对重金属的吸收:盆栽试验
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.539m
Denis Mitov, Stefan Petrović, N. Đorđević, J. Mrmošanin, A. Pavlović, S. Tošić
{"title":"UPTAKE OF HEAVY METALS BY WHEAT (Triticum aestivum L.): POT EXPERIMENT","authors":"Denis Mitov, Stefan Petrović, N. Đorđević, J. Mrmošanin, A. Pavlović, S. Tošić","doi":"10.46793/sbt28.539m","DOIUrl":"https://doi.org/10.46793/sbt28.539m","url":null,"abstract":"In the present work, the uptake of some heavy metals by wheat grown on soils artificialcontaminated with Cd, Cr, Cu,Ni and Pb individually and in combination,was studied in a pot experiments. The samples were prepared by wet digestion and analyzed by ICP-OES and the obtained results were discussed based on the values of the obtained concentrations, enrichment factors (EFs) and translocation factors (TFs).","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132736415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
CLASSIFICATION OF FRUIT TREE LEAVES ACORDING TO PHENOLIC PROFILE USING PRINCIPAL COMPONENT ANALYSIS 用主成分分析法对果树叶片酚类成分进行分类
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.491m
M. Mitić, J. Mitic, J. Nikolić, P. Mašković
{"title":"CLASSIFICATION OF FRUIT TREE LEAVES ACORDING TO PHENOLIC PROFILE USING PRINCIPAL COMPONENT ANALYSIS","authors":"M. Mitić, J. Mitic, J. Nikolić, P. Mašković","doi":"10.46793/sbt28.491m","DOIUrl":"https://doi.org/10.46793/sbt28.491m","url":null,"abstract":"This study aimed to determine and compare a polyphenolic profile of the fruit tree leaves of ten commonly commercially and wildly consumed fruits: apricot, plum, peach, quince, apple, blackcurrant, redcurrant, blackberry, raspberry, and dog rose. The polyphenolic profile was determined using HPLCmethod.Inleaves were identified 17 individual phenolics. To evaluate relationships through various fruit tree leaves, Principal Component Analysis (PCA)was employed. Two statistically significant components were identified, grouping fruit tree leaves based on phenolic compounds content.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123783050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
COMPARISON OF COW’S MILK WITH PLANT-BASED MILK ALTERNATIVES: SELECTED CHEMICAL AND PHYSICAL ANALYSIS 牛奶与植物基牛奶替代品的比较:选定的化学和物理分析
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.517m
V. Milovanović, M. Petrović, V. Kurćubić, M. Petković, N. Miletić, I. Đurović
{"title":"COMPARISON OF COW’S MILK WITH PLANT-BASED MILK ALTERNATIVES: SELECTED CHEMICAL AND PHYSICAL ANALYSIS","authors":"V. Milovanović, M. Petrović, V. Kurćubić, M. Petković, N. Miletić, I. Đurović","doi":"10.46793/sbt28.517m","DOIUrl":"https://doi.org/10.46793/sbt28.517m","url":null,"abstract":"The aim of this paper is to make a chemical and physical comparison of cow's milk with plant-based milk alternatives. Selected chemical and physical parameters of animal milk (raw and pasteurized cow’s milk) and plant based milk (almond and soy milk) were done. The titratable acidity, pH, conductivity, viscosity and density were measured by using standardized techniques. Additional parameters such as proteins, fat, (solids-not-fat) SNF, and lactose were determined by milk analyser and compared. The results showed that plant-based milks contain low values of proteins, fat, SNF and significantly lower acidity in comparison with cow's milk.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"205 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123055973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
UPTAKE OF HEAVY METALS BY ALFALFA (Medicago sativa L.): POT EXPERIMENT 紫花苜蓿(Medicago sativa L.)重金属吸收的盆栽试验
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.533m
Denis Mitov, Stefan Petrović, Aleksandar Ranđelović, J. Mrmošanin, A. Pavlović, S. Tošić
{"title":"UPTAKE OF HEAVY METALS BY ALFALFA (Medicago sativa L.): POT EXPERIMENT","authors":"Denis Mitov, Stefan Petrović, Aleksandar Ranđelović, J. Mrmošanin, A. Pavlović, S. Tošić","doi":"10.46793/sbt28.533m","DOIUrl":"https://doi.org/10.46793/sbt28.533m","url":null,"abstract":"In this work, the uptake of some heavy metals (Cd, Cr, Cu, Ni and Pb) by alfalfa (Medicago sativa L.) was studied in a pot experiment. Alfalfa and soil samples were prepared by wet digestion and analyzed by ICP-OES. The obtained results were discussed based on the determined concentrations, translocation factors (TFs) and enrichment factors (EFs) values, showing that this plant species is able to uptake increased amounts of Cd by roots.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132621905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
KINETICS OF THE REACTION OF AN ARYLIDENE 2-THIOHYDANTOIN DERIVATIVE WITH SOME Pd(II) COMPLEXES 芳烯- 2-硫代海因衍生物与某些Pd(II)配合物反应动力学
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.497s
P. Stanić, Darko P Ašanin, M. Vasić, T. Soldatović, Biljana M Šmit
{"title":"KINETICS OF THE REACTION OF AN ARYLIDENE 2-THIOHYDANTOIN DERIVATIVE WITH SOME Pd(II) COMPLEXES","authors":"P. Stanić, Darko P Ašanin, M. Vasić, T. Soldatović, Biljana M Šmit","doi":"10.46793/sbt28.497s","DOIUrl":"https://doi.org/10.46793/sbt28.497s","url":null,"abstract":"Reactions of 3-(benzylideneamino)-2-thioxoimidazolidin-4-one with some palladium complexes (PdCl2, Pd(DMSO)2Cl2 and K2PdCl4) were monitored with NMR spectroscopy, which is used as a convenient and practical tool for determining the kinetic parameters of the reactions. Rate constants of the reactions were determined and reactivity of the complexes towards the 2-thiohydantoin derivative was compared.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129129219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THE INFLUENCE OF THE ENOLOGICAL TANNINS APPLICATION ON THE PHENOLIC COMPOSITION OF WINE 单宁用量对葡萄酒酚类成分的影响
1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings Pub Date : 2023-03-01 DOI: 10.46793/sbt28.523p
A. Petrovic, N. Lisov, Ivana Plavšić-Janjatović, Ivana Sredovic-Ignjatovic, Danka Mitrović
{"title":"THE INFLUENCE OF THE ENOLOGICAL TANNINS APPLICATION ON THE PHENOLIC COMPOSITION OF WINE","authors":"A. Petrovic, N. Lisov, Ivana Plavšić-Janjatović, Ivana Sredovic-Ignjatovic, Danka Mitrović","doi":"10.46793/sbt28.523p","DOIUrl":"https://doi.org/10.46793/sbt28.523p","url":null,"abstract":"The chemical composition of wine depends on the degree of maturity and quality of the grapes, as well as the agroecological conditions under which the grapes are grown. Tannins are of particular importance for wines, they are the source of the characteristic astringency of red wines. The main aim of this study was to investigate the influence of addition of enological tannins (0.05 g/L; 0.15 g/L; 0.3 g/L) on the phenolic composition of wine. The effect of the addition of differenttannins on the certain phenolic compounds (gallic acid, caffeic acid, ellagic acid and quercetin) was measured by HPLC analysis.Only forcontent of gallic and caffeic acid, there was a statistically significant difference between the control sample and all other samples with added tannins.","PeriodicalId":106266,"journal":{"name":"1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY: Proceedings","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131853872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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