Research Article: Effect of different cobalt (CoCl۲) concentrations on cell growth, some biochemical composition, and fatty acids profile of the marine microalga, Tetraselmis subcordiformis
Publish place: Iranian Journal of Fisheries Sciences، Vol: 20، Issue: 6
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIFRO-20-6_004
تاریخ نمایه سازی: 23 بهمن 1400
Abstract:
The aim of this study was to determine the effects of cobalt concentration on cell growth, some biochemical composition, and fatty acids profile of the marine microalga Tetraselmis subcordiformis. Cobalt deprivations did not cause a considerable change in growth photosynthesis activity as compared to the control group. Induction of maximum lipid production was achieved using ۰.۰۰۱ mg L-۱ of cobalt-deprived T. subcordiformis. The highest crude protein content (۳۳.۷۵ mg L-۱) was observed in ۰.۰۰۱ mg L-۱ cobalt. The highest and lowest lipid accumulation in T. subcordiformis was observed in ۰.۰۰۱ mg L-۱ and ۱۰ mg L-۱ cobalt, respectively. Under cobalt deficient conditions, T. subcordiformis produced a large quantity of saturated fatty acids and iodine and saponification value. Biodiesel characteristics were enhanced with Co+۲ reduction. Also, biodiesel quality decreased with increase of cobalt. The results showed that the maximum and minimum carotenoids were observed in ۰.۱ and ۱۰ mg L-۱ cobalt, respectively.
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Authors
H. Eskandarnia
Department of Fisheries, Science and Research Branch, Islamic Azad University, Tehran, Iran
M. Shamsaie Mehrgan
Department of Fisheries, Science and Research Branch, Islamic Azad University, Tehran, Iran
H. Rajabi Islami
Department of Fisheries, Science and Research Branch, Islamic Azad University, Tehran, Iran
M. Soltani
Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
A. Kamali
Department of Fisheries, Science and Research Branch, Islamic Azad University, Tehran, Iran
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