Determination of γ-oryzanol, Phenolic total content, and (2,2-difenil-1-picrylhydrazyl) Radical Scavenging Activity in Different Varieties of Rice (Oryza sativa) in Yogyakarta, Indonesia

https://doi.org/10.22146/mot.33398

Erna Prawita Setyowati(1*), Andayana Puspitasari Gani(2)

(1) Faculty of Pharmacy, Universitas Gadjah Mada
(2) Faculty of Pharmacy, Universitas Gadjah Mada
(*) Corresponding Author

Abstract


In Indonesia, beras (Oryza sativa) has become the main ingredient in natural beauty products such as masks, scrubs, and cold powder. γ-oryzanol and phenolic compounds are the major components in beras that have many benefits, one of which as antioxidants. This study aims to determine the content of γ-oryzanol and total phenolic compounds in different beras cultivars in the area of Yogyakarta. The leveling was done by a TLC-densitometry method and Folin Ciocalteu. The results showed that the largest γ-oryzanol content found in red beras was 0.0843% by weight of the sample. The highest total phenolic content was found in red beras as much as 1.92% by weight of the sample. The antioxidants activity IC50 Red Beras is 0.591.

Keywords


Oryza sativa; γ-oryzanol; fenolik total; antioxidant; Yogyakarta

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DOI: https://doi.org/10.22146/mot.33398

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