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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2015, Volume 66, Issue 10,





ALINA MIHALCEA, ADRIAN ONU, CATALIN TUCUREANU, CAMELIA UNGUREANU,SILVIU RAILEANU, AURORA SALAGEANU, OVIDIU MUNTEAN
Extraction of Torularhodin from Rhodotorula rubra
Yeast Using Sunflower Oil

Abstract:

Yeasts are an important source of natural carotenoids (a group of oil soluble pigments). These solubilization characteristics of carotenoids have led to studies on recovery of these pigments from vegetable oils such as sunflower oil, soy oil, Palm oil, etc. Torularhodin is one of the carotenoid pigments produced by the yeast Rhodotorula sp., with a terminal carboxylic group considered now-a-days as a powerful antioxidant In this paper we extract the torularhodin from Rhodotorula rubra yeast using sunflower oil. Approximately 97% of the cellular mass is disintegrated over five cycles through the high pressure IKA WERKE homogenizer at a pressure from 1500 to 2000 bar. The HPLC analysis proves a good capacity for extracting the total carotenoid pigments in sunflower oil by obtaining a high value of 958.68 mg/mL medium from which a percentage of 70.29 % is represented by torularhodin. Keywords: torularhodin, carotenoids, extraction, Rhodotorula rubra, sunflower oil


Issue: 2015, Volume 66, Issue 10
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