Effect of different Cobalt (CoCl2) concentrations on cell growth, some biochemical composition, and fatty acids profile of the marine microalga Tetraselmis subcordiformis

IF 0.8 4区农林科学 Q3 FISHERIES Iranian Journal of Fisheries Sciences Pub Date : 2021-09-26 DOI:10.22092/IJFS.2021.124953

Hossein Skandarnia, M. S. Mehrgan, H. R. Islami, M. Soltani, A. Kamali

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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 0.001 mg L-1 of cobalt-deprived T. subcordiformis. The highest crude protein content (33.75 mg L-1) was observed in 0.001 mg L-1 cobalt. The highest and lowest lipid accumulation in T. subcordiformis was observed in 0.001 mg L-1 and 10 mg L-1 cobalt, respectively. Under cobalt deficient conditions, T. subcordiformis produced a large quantity of saturated fatty acids and the iodine and saponification value. Biodiesel characteristics were enhanced with Co+2 reduction. Also, biodiesel quality decreased with the increase of cobalt. The results showed that the maximum and minimum carotenoids were observed in 0.1 and 10 mg L-1 cobalt, respectively.

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不同浓度的钴(CoCl2)对海洋微藻四瓣藻细胞生长、部分生化组成和脂肪酸谱的影响

本研究的目的是确定钴浓度对海洋微藻四瓣藻细胞生长、部分生化组成和脂肪酸谱的影响。与对照组相比，钴剥夺没有引起生长光合作用活性的显着变化。使用0.001 mg L-1钴剥夺T. subcorformis诱导最大脂质生成。当钴含量为0.001 mg L-1时，粗蛋白质含量最高，为33.75 mg L-1。在0.001 mg L-1和10 mg L-1的钴浓度下，堇青虫的脂质积累最高和最低。在缺钴条件下，堇青花产生了大量的饱和脂肪酸和碘和皂化值。Co+2还原提高了生物柴油的特性。生物柴油的质量随钴含量的增加而下降。结果表明，在钴浓度为0.1 mg L-1和10 mg L-1时，类胡萝卜素含量最高和最低。

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来源期刊

Iranian Journal of Fisheries Sciences FISHERIES-

CiteScore

2.30

自引率

11.10%

发文量

审稿时长

3 months

期刊介绍： 1- Living various species (contains animals and vegetal species) in various aquatic ecosystems. 2- Health and diseases of aquatic species. 3- Determining the stocks and specific time and location for catching and reliable exploitation for sustainable development. 4- Methods of propagation and culture of high value aquatic resources. 5- Aquatic stock assessment and the methods of restocking the high value species and suggestion for rate, areas and the time for releasing fish and other aquatic organisms fries. 6- Pollutant agents and their effects to the environments of aquatic species. 7- Feed and feeding in aquatic organisms. 8- Fish processing and producing new products. 9- The economic and social aspects of fisheries.