Jurnal Health Sains
Vol. 2 No. 9 (2021): Jurnal Health Sains

Potensi Antioksidan Menggunakan Metode DPPH Ekstrak Beras Hitam (Oryza Sativa L Indica) dan Penghambatan Tirosinase




Article Info

Publish Date
23 Sep 2021

Abstract

Black Rice (Oryza sativa L. Indica) is a rice commonly used to improve health. Black rice has a physical shape similar to rice in general, but the surface of this rice is blackish purple. The study aimed to test the antioxidant activity and tyrosinase inhibitors in black rice extract. The study was conducted from February 2019 to August 2019. Using experimental methods. Black rice is extracted by the maceration method using 96% solvent ethanol, then several tests are performed using spectrophotometry. Observed parameters include phytochemical test results, antioxidant activity, and tyrosinase inhibition activity. Tests of antioxidant activity and inhibition of tyrosinase were observed from IC50 (inhibitor concentration) values. The results of phytochemical analysis showed that black rice extract contains flavonoids, tannins, and triterpenoids. The antioxidant activity test is performed using the DPPH (2,2-diphenyl-1-picrihydracil) method which has very strong antioxidant activity with an IC value of < 10 ppm. Brown rice extract has inhibition of tyrosinase. The conclusion that can be from this study is that black rice extract phytochemicalally contains flavonoids, tannins, and triterpenoids that are included in antioxidant compounds.

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Journal Info

Abbrev

jhs

Publisher

Subject

Dentistry Health Professions Medicine & Pharmacology Nursing Public Health Veterinary

Description

Jurnal Health Sains adalah jurnal yang diterbitkan sebulan sekali oleh Ridwan Institute. Jurnal Health Sains akan menerbitkan artikel ilmiah dalam lingkup ilmu kesehatan. Artikel yang diterbitkan adalah artikel dari penelitian, studi atau studi ilmiah kritis dan komprehensif tentang isu-isu penting ...