Journal of Food, Agriculture and Environment
Vol 15,
Issue 2,2017
Online ISSN: 1459-0263
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Production of carotenoids from Rhodotorula mucilaginosa and their applications as colorant agent in sweet candy
Author(s):
R. M. Elsanhoty,
A. I. Al-Turki, M. M. Abd El-Razik *Recieved Date: 2017-01-02, Accepted Date: 2017-03-20
Abstract:Natural colour agents are increasingly being sought to replace synthetic agents. The aim of this study was to investigate the growth characteristics and carotenoids production of yeasts in order to assess its application as colorant agent in sweet candy. Pigmented yeasts were isolated from different sources from the Kingdom of Saudi Arabia and selected according their growth characteristics and their production of yellow to red pigment. Different biological characteristics of the isolated yeast strains were also evaluated. The selected yeast strain was identified as species of Rhodotorula mucilaginosa. The different growth characteristics of the isolated and identified yeast strain Rhodotorula mucilaginosa were evaluated. Optimum temperature, pH, carbon and nitrogen sources for growth and total carotenoids production were 28°C, 6.0, glucose and peptone, respectively. A laboratory fermentor technique, using date syrup as a fermentation medium, was used in a pilot production study of carotenoids from Rhodotorula mucilaginosa. The extracted carotenoids were identified through HPLC analysis and used as coloring agent during production of sweet candy jelly.
Keywords:Carotenoids,
date syrup, Rhodotorula mucilaginosa, yeastJournal: Journal of Food, Agriculture and Environment
Year: 2017
Volume: 15
Issue: 2
Category: Food and Health
Pages: 21-26
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