Growth of microalgae (chlorella vulgaris) in the presence of olive leaf extract

Year 2020, Volume: 2 Issue: 2, 92 - 109, 31.12.2020

Şule Ören Zeynep Yıldız Merve Deniz Köse , Kübra Potuk Oguz Bayraktar

Abstract

Microalgae has been used for various applications in the literature. Microalgae can produce different biologically active metabolites due to their different morphological, physiological, and genetic traits. In this study, biotransformation of olive leaf extract by microalgae under biotic conditions was investigated. The results showed that incorporating the olive leaf extract into the growth medium changed the microalgae's specific growth rate and the total phenolic content of the medium. The effect of light type (white and red light) on the specific growth rate was also investigated. The obtained data showed that light type directly changed the specific growth rate of the microalgae. With microalgae growth under both white and red light, olive leaf extract amount in the growth medium decreased while the antioxidant capacity of the medium increased. This was attributed to the production of bioactive compounds as a result of the biotransformation of polyphenols by microalgae.

Keywords

microalgae, olive leaf extract, phenolic, biotransformation

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