Effect of lemongrass water extract supplementation on atherogenic index and antioxidant status in rats

Open access

Abstract

Cymbopogon citratus (DC) Stapf., commonly known as lemongrass, possesses strong antioxidant and cardiotonic properties. Lemongrass water extract contains several polyphenolic compounds including gallic acid, isoquercetin, quercetin, rutin, catechin and tannic acid. Rutin, isoquercetin catechin and quercetin are the flavonoids most abundantly found in the extract. The extract significantly decreased total cholesterol, low-density lipoprotein and atherogenic index in rats after treatment (p < 0.05). Expression of genes and protein of sterol regulatory element binding protein-1c (SREBP1c) and HMG-CoA reductase (HMGR) was also lowered significantly in treated groups (p < 0.05). Moreover, serum antioxidant capacity increased in treated rats in comparison with untreated ones (p < 0.05) and was associated with decreased serum lipid peroxidation.

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