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All Journal Agroland : Jurnal Ilmu-Ilmu Pertanian KOVALEN: Jurnal Riset Kimia AGROLAND: The Agricultural Sciences Journal Jurnal Pengolahan Pangan Abditani : Jurnal Pengabdian Masyarakat
Chitra Anggriani Salingkat
Universitas Tadulako
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry

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Journal : KOVALEN: Jurnal Riset Kimia

 1 
PENGARUH RASIO PELARUT TERHADAP EKSTRAKSI DARI KULIT BUAH NAGA MERAH (Hylocereus polyrhizus) Amalia Noviyanty; Chitra Anggriani Salingkat; Syamsiar Syamsiar
KOVALEN: Jurnal Riset Kimia Vol. 5 No. 3 (2019): Edisi Desember
Publisher : Chemistry Department, Mathematics and Natural Science Faculty, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (642.486 KB) | DOI: 10.22487/kovalen.2019.v5.i3.14029

Abstract

This study aims to determine the effect of the ratio of solvents to extract yield, phenolics total and IC50 values ​​of red dragon fruit peel and also get the optimal solvent ratio to obtain extract yield, phenolics total and the highest or best IC50 values ​​of red dragon fruit peel extracts. The solvent ratio used there are 6 levels of the ratio: 2:1; 3:1; 4:1; 5:1; 6:1 and 7:1 (v/w). The data obtained were analyzed using a Completely Randomized Design that was applied to observations of extract yield, phenolics total and IC50 values, if the treatment had a very significant or significant effect followed by continued Tukey HSD test at 1% or 5% level. The results showed that the solvent ratio very significantly affected the extract yield, phenolics total and IC50 value of red dragon fruit peel extract. The solvent ratio of 4:1 (v/w) produced extract yield, phenolics total and IC50 values the highest or best i.e 26.22%, 71.56 ppm, and 124.62 ppm. Keywords : IC50, the red dragon fruit skin, solvent ratio, phenolics total
PENGARUH JENIS PELARUT TERHADAP EKSTRAKSI DARI KULIT BUAH NAGA MERAH (Hylocereus polyrhizus) Amalia Noviyanty; Chitra Anggriani Salingkat; Syamsiar Syamsiar
KOVALEN: Jurnal Riset Kimia Vol. 5 No. 3 (2019): Edisi Desember
Publisher : Chemistry Department, Mathematics and Natural Science Faculty, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (667.879 KB) | DOI: 10.22487/kovalen.2019.v5.i3.14037

Abstract

This study aims to determine the effect of the type of solvent on extract yield, total phenolics and IC50 values of the skin of red dragon fruit and also obtain the best type of solvent that provides extract rendement, total phenolics and the highest or best IC50 value for extracting red dragon fruit peels. There are 3 types of solvents used (95% ethanol, ethyl acetate and acetone: water (7: 3) with a sample-solvent ratio (5:1 v/b). The data obtained were analyzed using a Completely Randomized Design that was applied to observations of extract rendemen, phenolics total and IC50 values, if the treatment had a very significant or significant effect followed by continued BNJ test at 1% or 5% level. The results showed that the solvent ratio very significantly affected the extract rendemen, phenolics total and IC50 value of red dragon fruit peel extract. Ethanol 95% solvent is the best solvent for extracting dragon fruit peels because it has the highest yield (26.15%), total phenolic (64.75 ppm) and antioxidant activity (IC50 value) (120.53 ppm) highest or best. Keywords : IC50, the red dragon fruit skin, solvent ratio, extract yield, phenolics total
Co-Authors Abdul Rahim Amalia Noviyanty Andri Gatot Siswo Hutomo Made Tangkas Putri Andini Rosmianti Sulmi Sulmi Syamsiar Syamsiar Syamsiar