Volume 10, Issue 4 (2021)                   JFST 2021, 10(4): 470-482 | Back to browse issues page

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Ahmadi A, Ahmadifard N, imani A, Pirsa S, Atashbar B. The effect of gibberellin phytohormone on growth parameters, pigments, photosynthetic factors and biochemical compounds of Tetraselmis suecica. JFST 2021; 10 (4) : 5
URL: http://jfst.modares.ac.ir/article-6-51666-en.html
1- Phd candidate.
2- Associate Professor , nasrollah@gmail.com
3- Associate Professor
4- Associated professor, Department of Food Science and Technology
5- Associated professor
Abstract:   (1501 Views)
In the present study, the effect of phytohormone gibberellin on some physiological parameters of Tetraselmis suecica microalgae was investigated. Algae culture was performed under standard conditions with Gillard culture medium, temperature 25 ± 2 C°, light intensity 16: 8 (light/dark), salinity 25 ± 2 mg / l, and 24-hour aeration for ten days. Concentrations of 10, 20, 40, and 60 mg / l were added to the algae culture medium. Growth factors, pigments, photosynthetic factors, and biochemical composition were measured in the log phase. Based on results,  the highest rate of cell growth was observed in the treatment of 60 mg / l, although in other treatments there was a significant difference with the control (P <0.05). The highest amount of protein and carbohydrates was observed in the treatment of 60 mg / l (P <0.05). ). Total lipid content increased from 15.23 in control to 18.53 in 60 mg / l (P <0.05). Antioxidant potential, pigments, photosynthetic factors, and dry weight also showed a significant difference in the concentration of 60 mg / l compared to the control (P <0.05). The highest amount of chlorophyll a and chlorophyll b was observed at concentrations of 60 mg / l (P <0.05). Based on the results, gibberellin has a high potential for cell division, final density, antioxidant potential, cell size, and biochemical composition of Tetraselmis suecica. Also, Tetraselmis suecica can be a good candidate for marine aquatic larvae, drugs, antioxidants, and a rich source of compounds in biofuels.
Article number: 5
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Article Type: Original Research | Subject: Aquaculture
Received: 2021/04/14 | Published: 2022/01/15

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