EVALUATION OF IN VITRO LIPID AND CAROTENOID SYNTHESIS BY YEAST, RHODOSPORIDIUM DIOBOVATUM

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NASIRIAN N.; LEVIN D.B.

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Journal: JOURNAL OF NUTRITION SCIENCES & FOOD TECHNOLOGY Year:2018 | Volume:13 | Issue:1 Page(s): 85-94

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Title

EVALUATION OF IN VITRO LIPID AND CAROTENOID SYNTHESIS BY YEAST, RHODOSPORIDIUM DIOBOVATUM

Author(s)

NASIRIAN N. | LEVIN D.B. | Issue Writer Certificate

Keywords

BIOMASSQ1

CAROTENOIDQ2

LIPIDQ2

RHODOSPORIDIUM DIOBOVATUMQ1

FATTY ACIDQ2

Abstract

Background and Objectives: Recently, LIPID and CAROTENOID synthesis by microorganism has been considered as the alternative method to the conventional animal and plant based resources. This study is focused on the ability of in vitro synthesis of these high-value products usingRhodosporidium diobovatum yeast.Materials & Methods: Rate of BIOMASS production, LIPID and CAROTENOID content, were investigated for cell cultures in nitrogen-limiting medium containing glucose (217 mM) or glycerol (434 mM) during a five-day period of post inoculation (pi). The experiments were carried out at 30 °C and 150 rpm.Results: Regarding the BIOMASS yield (g dcw/g carbon consumed), no significant variation (5% probability) was observed in glucose (0.72±0.01) and glycerol (0.73±0.03) cell cultures after 120 h, but the glucose cultures synthesized more significant content of LIPID at different time-points, and reached to a slightly greater amounts of LIPID (46.29 ± 0.92 % dcw) than the glycerol cultures (44.57 ± 0.49 % dcw) at 120 h. In addition, the quantity of CAROTENOID production in glucose cultures was higher than those in glycerol cultures at 120 h pi (1987 ± 249 mg/L, versus 1758 ± 15 mg/L, respectively). Glucose grown cells produced 5.11% of mono-unsaturated FATTY ACID (MUFA) and 3.7% of polyunsaturated FATTY ACID (PUFA) more than those in glycerol fed cultures, whereas the saturated FATTY ACID (SFA) were synthesized 8.21% more in the glycerol cultures.Conclusion: The study shows extensive accumulation of neutral LIPIDs and CAROTENOID, and suggests that R. diobovatum could be an effective strain for production of feedstock for food, fuel and bio industries from various substrates.

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APA: Copy

NASIRIAN, N., & LEVIN, D.B.. (2018). EVALUATION OF IN VITRO LIPID AND CAROTENOID SYNTHESIS BY YEAST, RHODOSPORIDIUM DIOBOVATUM. JOURNAL OF NUTRITION SCIENCES & FOOD TECHNOLOGY, 13(1 ), 85-94. SID. https://sid.ir/paper/121490/en

Vancouver: Copy

NASIRIAN N., LEVIN D.B.. EVALUATION OF IN VITRO LIPID AND CAROTENOID SYNTHESIS BY YEAST, RHODOSPORIDIUM DIOBOVATUM. JOURNAL OF NUTRITION SCIENCES & FOOD TECHNOLOGY[Internet]. 2018;13(1 ):85-94. Available from: https://sid.ir/paper/121490/en

IEEE: Copy

N. NASIRIAN, and D.B. LEVIN, “EVALUATION OF IN VITRO LIPID AND CAROTENOID SYNTHESIS BY YEAST, RHODOSPORIDIUM DIOBOVATUM,” JOURNAL OF NUTRITION SCIENCES & FOOD TECHNOLOGY, vol. 13, no. 1 , pp. 85–94, 2018, [Online]. Available: https://sid.ir/paper/121490/en

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