Dual role of betel leaf extract on thyroid function in male mice.

Abstract:

:The effects of betel leaf extract (0.10, 0.40, 0.80 and 2.0 g kg-1 day-1 for 15 days) on the alterations in thyroid hormone concentrations. lipid peroxidation (LPO) and on the activities of superoxide dismutase (SOD) and catalase (CAT) were investigated in male Swiss mice. Administration of betel leaf extract exhibited a dual role, depending on the different doses. While the lowest dose decreased thyroxine (T4) and increased serum triiodothyronine (T3) concentrations, reverse effects were observed at two higher doses. Higher doses also increased LPO with a concomitant decrease in SOD and CAT activities. However, with the lowest dose most of these effects were reversed. These findings suggest that betel leaf can be both stimulatory and inhibitory to thyroid function, particularly for T3 generation and lipid peroxidation in male mice, depending on the amount consumed.

journal_name

Pharmacol Res

journal_title

Pharmacological research

authors

Panda S,Kar A

doi

10.1006/phrs.1998.0398

subject

Has Abstract

pub_date

1998-12-01 00:00:00

pages

493-6

issue

6

eissn

1043-6618

issn

1096-1186

pii

S1043-6618(98)90398-X

journal_volume

38

pub_type

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