The present study determines the antioxidant activity of
different parts of A. catechu and their effect on GST
activity in vitro in male Sprague Dawley rats. Two different
extracts of A. catechu, namely methanolic and aqueous
were evaluated for their antioxidant activity and effect on
GST. The calculated % yields of extracts from dry weight
of various part of areca plants in various solvents are
shown in Table 1. The % yields of methanol extracts were
higher than water extracts. Unripe seeds methanol extract
had the highest yield, 4.204 % and root aqueous extract
had the lowest yield 0.094 %. The yield extract ranged
from 0.094 % to 4.204. These indicated that substances
in A. catechu were quite polar and lot of polar compounds
dissolved in polar solvents.