On the existence of solutions for vector quasiequilibrium problems

Tập 17, Số 12 (2020):
2273-2280 
2280 
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https://doi.org/10.2174/138955711794519492 
A STUDY OF LIPID PEROXIDATION INHIBITION OF ENDOPHYTIC FUNGI 
ISOLATED FROM Kandelia candel DERIVED FROM CAN GIO MANGROVE 
Tran Thi Minh Dinh
*
, Nguyen Ngoc Phuong, Nguyen Thi Hang, Duong Thuc Huy 
Ho Chi Minh City University of Education, Vietnam 
*
Corresponding author: Tran Thi Minh Dinh – Email: dinhttm@hcmue.edu.vn
 
Received: December 11, 2020; Revised: December 21, 2020; Accepted: December 29, 2020 
 
ABSTRACT 
Mangrove tree Kandelia candel has been shown to be rich in phenol and flavonoid 
compounds, resulting in strong antioxidant activity. Therefore, endophytic fungi isolated from this 
plant can be potentially used to produce antioxidants. In this study, we isolated endophytic fungi 
from the leaves and roots of K. candel, then investigated basic biological characteristics and the 
antioxidant activity by reducing power and lipid peroxidation inhibition activity. As a result, four 
endophytic fungal strains from K. candel leaves and roots were identified and preserved in the 
Biochemistry and Microbiology Laboratory of the Ho Chi Minh University of Education with the 
codes of UP-15, UP-16, UP-17, and UP-18. The ethyl acetate extracts from these four strains all 
show the reducing power. The ethyl acetate extract of the UP-15 strain exhibits the lipid 
peroxidation inhibition activity with an IC
50
 of 396 μg/ml. 
Keywords: antioxidant activity; Can Gio mangroves; endophytic fungi; Kandelia candel, 
lipid peroxidation inhibition