Production and characterization of rhamnolipids from Pseudomonas aeruginosa san-ai
Produkcija i karakterizacija ramnolipida soja Pseudomonas aeruginosa san-ai
dc.creator | Rikalović, Milena | |
dc.creator | Gojgić-Cvijović, Gordana | |
dc.creator | Vrvić, Miroslav | |
dc.creator | Karadžić, Ivanka | |
dc.date.accessioned | 2019-01-30T17:30:16Z | |
dc.date.available | 2019-01-30T17:30:16Z | |
dc.date.issued | 2012 | |
dc.identifier.issn | 0352-5139 | |
dc.identifier.uri | https://cer.ihtm.bg.ac.rs/handle/123456789/998 | |
dc.description.abstract | The production and characteristics of rhamnolipid biosurfactant obtained by the strain Pseudomonas aeruginosa san-ai were investigated. With regard to the carbon and nitrogen sources, several media were tested to enhance the production of rhamnolipids. Phosphate-limited proteose peptone-ammonium salt (PPAS) medium supplemented with sunflower oil as a source of carbon and mineral ammonium chloride and peptone as nitrogen sources greatly improved the production of rhamnolipid, from 0.15 on basic PPAS (C/N ratio 4.0) to 3 g L-1 on optimized PPAS medium (C/N ratio 7.7). Response surface methodology analysis was used for testing the effect of three factors, i.e., temperature, concentration of carbon and nitrogen source (mass %), in the optimized PPAS medium on the production of rhamnolipid. The isolated rhamnolipids were characterized by infrared (IR) spectroscopy and electrospray ionization mass spectrometry (ESI-MS). The IR spectra confirmed that the isolated compound corresponded to the rhamnolipid structure, whereas MS indicated that the isolated preparation was a mixture of mono-rhamno-mono-lipidic, mono-rhamno-di-lipidic and di-rhamno-di-lipidic congeners. | en |
dc.description.abstract | U ovom radu je opisana produkcija i karakterizacija ramnolipidnog biosurfaktanta soja Pseudomonas aeruginosa san-ai. Ispitan je uticaj različitih izvora ugljenika i azota na produkciju ramnolipida. Podloga proteoze pepton-amonijum soli sa ograničenom količinom fosfata (PPAS) sa suncokretovim uljem kao izvorom ugljenika i amonijum-hloridom i peptonom kao izvorom azota, znatno povećava produkciju ramnolipida, od 0,15, na PPAS sa standardnim sastavom (odnos C/N 4,0), do 3 g L-1 na optimizovanoj PPAS podlozi (odnos C/N 7,7). Metodom planiranog eksperimenta (response surface methodology) ispitan je efekat tri parametra: temperature, koncentracije izvora ugljenika i azota na optimizovanoj podlozi. Karakterizacija izolovanog preparata ramnolipida urađena je pomoću IR i ESI-MS analiza. IR analiza je potvrdila prisustvo strukturnih elemenata karakterističnih za ramnolipide. MS analiza pokazala je da reč o smeši u kojoj su prisutne mono-ramno-monolipidne, di-ramno-mono-lipidne i di-ramno-di-lipidne komponente. | sr |
dc.publisher | Serbian Chemical Society | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/43004/RS// | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Journal of the Serbian Chemical Society | |
dc.subject | rhamnolipids | en |
dc.subject | Pseudomonas aeruginosa | en |
dc.subject | renewable sources | en |
dc.title | Production and characterization of rhamnolipids from Pseudomonas aeruginosa san-ai | en |
dc.title | Produkcija i karakterizacija ramnolipida soja Pseudomonas aeruginosa san-ai | sr |
dc.type | article | |
dc.rights.license | BY-NC-ND | |
dcterms.abstract | Карадзиц, Иванка; Врвиц, Мирослав М.; Гојгић Цвијовић, Гордана; Рикаловиц, Милена Г.; Продукција и карактеризација рамнолипида соја Псеудомонас аеругиноса сан-аи; Продукција и карактеризација рамнолипида соја Псеудомонас аеругиноса сан-аи; | |
dc.citation.volume | 77 | |
dc.citation.issue | 1 | |
dc.citation.spage | 27 | |
dc.citation.epage | 42 | |
dc.citation.other | 77(1): 27-42 | |
dc.citation.rank | M23 | |
dc.identifier.doi | 10.2298/JSC110211156R | |
dc.identifier.fulltext | https://cer.ihtm.bg.ac.rs//bitstream/id/9567/996.pdf | |
dc.identifier.scopus | 2-s2.0-84858652979 | |
dc.identifier.wos | 000300386100004 | |
dc.type.version | publishedVersion |