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Inhibition of Five Natural Products From Chinese Herbs on the Growth of Chattonella Marina

Inhibition of Five Natural Products From Chinese Herbs on the Growth of Chattonella Marina

Fei Liu, Zheng-Bing He, Hong-Ye Li, Jie-Sheng Liu, Wei-Dong Yang

Environ Sci Pollut Res Int. 2016 Sep;23(17):17793-800.

PMID: 27250087

Abstract:

The effects of five natural products from Chinese herbs including evodiamine, curcumin, 4-methoxysalicylaldehyde, esculin hydrate, and gramine on the growth of Chattonella marina, one of the most noxious red tide algae, were observed. Among them, gramine exhibited the highest inhibitory rate with LC50, 96h of 0.51 mg/l. After exposure to gramine, the activities of superoxide dismutase (SOD) and catalase (CAT), and content of malondialdehyde (MDA) increased in C. marina, suggesting that gramine could induce microalgae oxidative stress. In addition, chlorophyll a and the maximum quantum yield of photosynthesis (Fv/Fm) decreased following exposure to gramine, indicating the inhibition of photosynthesis activity in the microalgae. Combined with the fast inhibition against the algal cells and environmentally friendly character of gramine, we proposed that gramine might be a potential algaecide against marine harmful algae and that the oxidative damage and photosynthesis inhibition might be responsible for the toxicity of gramine on harmful algae.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
ALP531759-A	Esculin hydrate		531-75-9 (anhydrous)	Price

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