Selenite Foliar Application Increased the Accumulation of Medicinal Components in by Promoting Antioxidant Capacity, Reducing Oxidative Stress, and Improving Photosynthetic Capacity

Overview

Journal Photosynthetica

Date 2024 Dec 9

PMID 39651417

Authors

L X Zhang

Q S Chang

Y L He

X L Zhao

W Liu

Q Guo

K Chen

X G Hou

Affiliations

Soon will be listed here.

Abstract

The effects of selenite (0, 15, 30, 45 mg L) on physiological characteristics and medicinal components of were analyzed. The results showed that selenite application promoted the activity of superoxide dismutase and the contents of soluble sugar, proline, carotenoids, total flavonoids, and total polyphenols, and decreased the contents of reactive oxygen species, relative electrical conductivity, and malondialdehyde. In addition, selenite also increased chlorophyll content, improved electron transfer ability, PSI and PSII performance, and the coordination between PSI and PSII, which significantly improved photosynthetic capacity. Moreover, selenite treatment also greatly increased the contents of gallic acid, catechin, albiflorin, paeoniflorin, benzoic acid, and paeonol in Moutan cortex radicis (MCR). These results showed that selenite effectively protected the photosynthetic apparatus from photooxidative damage by enhancing antioxidant capacity, improving photosynthetic capacity, and increasing the content of the medicinal compounds in MCR.

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