Effects of salinity on beta-carotene production by Dunaliella tertiolecta DCCBC26 isolated from the Urmia salt lake, north of Iran.

Abstract:

:This study examined the effect of different salt concentrations (0.05-3 M of NaCl) on the kinetics of growth, total carotenoids and beta-carotene (all-trans and 9-cis) accumulated in Dunaliella tertiolecta DCCBC26, a microalgae strain isolated from the Urmia hypersaline lake, northwest of Iran. Results indicated that the highest amount of carotenoids detected (11.73 mg/l) was in the salinity of 0.5 M NaCl during the stationary growth phase. The percentage of the all-trans and 9-cis-beta-carotene in the exponential phase were 92% and 32% in salinities of 3 M and 0.5 M, respectively. However, only 23% of the beta-carotene was detected in the stationary growth phase of the microalgae in 0.5 M salinity and was 9-cis isomer.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Fazeli MR,Tofighi H,Samadi N,Jamalifar H

doi

10.1016/j.biortech.2005.10.037

subject

Has Abstract

pub_date

2006-12-01 00:00:00

pages

2453-6

issue

18

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(05)00517-1

journal_volume

97

pub_type

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