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All Journal Jurnal Farmasi Higea
Junuarty Jubahar
Fakultas Farmasi Universitas Andalas Padang
Medicine & Pharmacology

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Penetapan Kadar Vitamin C Dari Buah Cabe Rawit (Capsicum frutescens L.) Dengan Metode Kromatografi Cair Kinerja Tinggi (KCKT) Junuarty Jubahar; Yuliana Astuti; Netty Suharti
Jurnal Farmasi Higea Vol 7, No 2 (2015)
Publisher : STIFARM Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (603.53 KB) | DOI: 10.52689/higea.v7i2.131

Abstract

The study of vitamin C than ripe fruit cayenne pepper (Capsicum frutescens L.) family solanaceae. Isolation of vitamin C with maceration method using ethanol 70% and performed three repetitions with the same solvent. Purification of vitamin C using semi-polar solvent is chloroform (CHCl3) pro analysis and obtained crystalline vitamin C (202 mg). Crystals obtained qualitative and quantitative testing. Testing quantitative with HPLC method. The study as a comparison of vitamin C using of products from Shadhong Bio Technology in the batch number 371-22109. HPLC data turns cayenne pepper ripe fruit contains vitamin C 0.1180% ± 0.0107 with a retention time of 2.557 and an area of 215843.
Penetapan Kadar Tanin Pada Teh Celup Yang Beredar Dipasaran Secara Spektrofotometri UV-Vis Anzharni Fajrina; Junuarty Jubahar; Stevani Sabirin
Jurnal Farmasi Higea Vol 8, No 2 (2016)
Publisher : STIFARM Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (525.491 KB) | DOI: 10.52689/higea.v8i2.145

Abstract

The assay was conducted on tannins tea bag on the market Ultraviolet Visible spectrophotometry method. The samples used was tea bags with brand TM, TS, TP, TR, TJ and pure tea as a comparison. Tea powder sample were extracted using 70 % ethanol.to determine the type and content of tannin used catechins. On the quantitative test is obtained maximum wavelength of 222.00 nm catechins. The calibration curve cathecin is y = 0.04943x + 0.06692. with the value count r = 0.9995. The result showed levels of tannins in tea bag brand TM (0.00919 %), TS (0.00882 %), TP (0.00863 %), TR (0.00766 %), TJ (0.01184 %) and pure tea (0.01207 %). The research shows. kruscal wallis test results showed significant difference (P<0,05) between all brands of used tea bag with pure tea and significant difference between each tea bag.
Co-Authors Anzharni Fajrina Netty Suharti Stevani Sabirin Yuliana Astuti