PENETAPAN KADAR FLAVONOID TOTAL EKSTRAK ETANOL KULIT BUAH ALPUKAT (Persea americana Mill.) DENGAN METODE SPEKTROFOTOMETRI UV-VIS
ABSTRACT: Avocado plant
(Persea americana Mill.), belongs to Lauraceae family which have medicinal
properties. Avocado peel contains flavonoid compounds that can be used to
protect and reduce the skin damage against UV rays.This study aimed to
determine the total flavonoids content of the ethanol extract of the avocado
peel using UV-Vis spectrophotometry. The ethanol extract of avocado peel was
obtained by maceration with ethanol. The qualitative analysis used FeCl3 by
forming green complex. The determination of total flavonoids content is
conducted based on AlCl3 method with total flavonoids expressed in QE
(Quercetin equivalent) at the maximum wavelength of 435 nm. The result showed
that the average content of flavonoid total is 4.0122 mgQE/g extract.
Keywords: Flavonoid Total,
Caucasian avocado (Persea americana Mill.), UV-Vis spectrophotometry
Penulis: Aminah, Nurhayati
Tomayahu, Zainal Abidin
Kode Jurnal: jpfarmasidd170407
