The effect of pH and temperature on growth, the antioxidants, phenols and flavonoids in Scenedesmus sp. microalgae

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HANACHI PARICHEHR; Aghababaei asieh; NOROOZI MOSTAFA

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Journal: Journal of Fisheries Year:2019 | Volume:72 | Issue:1 Page(s): 13-27

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Title

The effect of pH and temperature on growth, the antioxidants, phenols and flavonoids in Scenedesmus sp. microalgae

Author(s)

HANACHI PARICHEHR | Aghababaei asieh | NOROOZI MOSTAFA | Issue Writer Certificate

Keywords

FlavonoidsQ2

MicroalgaeQ1

FRAPQ1

phenolic compoundsQ1

Abstract

Microalgae are one of the rich sources of natural antioxidants in various applications in the food and pharmaceutical industries. In this study, the effects of temperature stress (23˚ c, 28˚ c, 33˚ c) and pH (5, 7, 8, 9) on antioxidant activity, phenolic and Flavonoids content and on the amount of colorants in the Microalgae Scenedesmus sp. were studied. Environmental conditions for all treatments were12: 12 light: dark, continuous aeration, and a 16-day period. The results showed that, the best conditions for antioxidant activity and flavonoid production occurred at high pH (8 and 9) and low temperature (23˚ c). Concerning phenolic content, the results indicated that temperature (23˚ C) plays significantly an effective role than pH in increasing the phenolic content of the algae (7/53 ± 0/06 mg GAE /g DW), and pH caused a significant decrease (p<0. 05) in phenolic content compared to control. Although pH and temperature did not affect the amount of chlorophyll α , but in general, the results indicate that pH and temperature can affect the antioxidants content of the Scenedesmus sp. Microalgae.

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APA: Copy

HANACHI, PARICHEHR, Aghababaei, asieh, & NOROOZI, MOSTAFA. (2019). The effect of pH and temperature on growth, the antioxidants, phenols and flavonoids in Scenedesmus sp. microalgae. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), 72(1 ), 13-27. SID. https://sid.ir/paper/162242/en

Vancouver: Copy

HANACHI PARICHEHR, Aghababaei asieh, NOROOZI MOSTAFA. The effect of pH and temperature on growth, the antioxidants, phenols and flavonoids in Scenedesmus sp. microalgae. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2019;72(1 ):13-27. Available from: https://sid.ir/paper/162242/en

IEEE: Copy

PARICHEHR HANACHI, asieh Aghababaei, and MOSTAFA NOROOZI, “The effect of pH and temperature on growth, the antioxidants, phenols and flavonoids in Scenedesmus sp. microalgae,” JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 72, no. 1 , pp. 13–27, 2019, [Online]. Available: https://sid.ir/paper/162242/en

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