Article Per Year (5 Year)
p-Index From 2020 - 2025
0.444
P-Index
This Author published in this journals
All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Journal Syifa Sciences and Clinical Research (JSSCR) Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram
Yayuk Andayani
Program Studi Magister Pendidikan IPA, Program Pascasarjana Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Other

Published : 3 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 3 Documents
Search

 1 
Antioxidant Activity of Fruit Extract Powder Beans (Phaseolus vulgaris L.) Using DPPH Method Rizki Nugrahani; Yayuk Andayani; Aliefman Hakim
Jurnal Penelitian Pendidikan IPA Vol. 6 No. 2 (2020): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v6i2.409

Abstract

Free radical effect is one of many factors that can cause coronic desease, heart coronary desease, diabetes militus.  Beans plant (Phaseolus vulgaris L.) countant antioxidant compound. Antioxidants could inhibit oxidation reaction, that is cousing free radical compounds. The objective of this research was to determine the potential of bean extracts as an antioxidant. DPPH method was used to measure antioxidant activity, absorbances was measured using UV-Vis spectroscopy. Scrining phytochemical used to identified secondary metabolites in samples. The result showed IC50 1268.18; 2512; 1698.18 and 4442.75 μg/mL for all variety of stroge (less 1, 1, 2, 3 months) and IC50 control BHT was 1.744 μg/mL. Extract of bean powder sample classified as very weak antioxidant activity, variety of storage could effect to antioxidant activity. Phytochemical screening results obtained flavonoids, phenols, alkaloids, saponins, steroids and terpenoids present in the sample, while tannin are not included in the sample
Karakteristik Fisik Serbuk Ekstrak Buncis (Pheseolus vulgaris L) dengan Variasi Lama Penyimpanan Rizki Nugrahani; Yayuk Andayani; Aliefman Hakim
Journal Syifa Sciences and Clinical Research Vol 3, No 1 (2021): Volume 3 Edisi 1 2021
Publisher : State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37311/jsscr.v3i1.9850

Abstract

Research has been carried out on the analysis of physic properties of green bean extract powder (Phaseolus vulgaris L). This study aims to determine the physical characteristics of the bean extract powder that has been stored in a predetermined time variation. The physic properties tested included water content, solubility and organoleptic tests. The results of the sample water content test with storage variations of less than 1, 1, 2 and 3 months respectively were 5.55%, 2.86%, 3.83% and 3.54% and the solubility was 42.67%, 33, 84%, 44.51% and 34.33% for Artificial Gastrid Fluid (AGF) solvents and 31.79%, 35.08%, 43.24 and 34.52% for Water solvents. The results of the organoleptic test showed that the color of the bean extract powder sample with a storage time of ± 2 months was the most preferred by the panelists, Fresh samples had the highest average scores for taste and aroma, of the panelist samples preferred the samples that had been stored for ± 3 months
APPLICATION OF THIN LAYER CHROMATOGRAPHY (Tlc) AND GASS CHROMATOGRAPHY-MASS SPEKTROSCOPY (GC-MS) AS ANALYSIS TECHNIQUE OF PHITOSTEROL COMPOUNDS IN WATER EXTRACT OF BEAN FRUIT (Phaseolus vulgaris L.) Hilyatul Jannah; I Made Sudarma; Yayuk Andayani
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 1, No 2: December 2013
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (683.104 KB) | DOI: 10.33394/j-ps.v1i2.1012

Abstract

Phytosterols are vegetable sterols, included in secondary metabolite compounds and have broad benefits in the health field. Sources of natural ingredients containing phytosterol compounds have been widely used as medicinal ingredients, one of which is beans (Phaseolus vulgaris L.). This research is an exploratory research, aimed to analyze the content of phytosterol compounds in water extract, and the result of partition of water extract of beans using TLC and GC-MS technique. The result of phytochemical test showed that from 13 extracts of partition result with n-hexane solvent, DCM, ethyl acetate, and methanol, only 5 extracts showed positive steroid, including water extract, hexane residue, DCM residue, methanol extract, and methanol residue. The TLC test results on the hexane residue of the partition from the water extract were suspected as stigmasterol compound because it has the price of Rf = 0.9 equal to the standard Rf compound of stigmasterol, whereas the GC-MS product showed negative phytosterol.
Co-Authors Aliefman Hakim Hilyatul Jannah I MADE SUDARMA Rizki Nugrahani, Rizki