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Pharmaciana: Jurnal Kefarmasian
Published by Universitas Ahmad Dahlan
ISSN : 20884559     EISSN : 24770256     DOI : 10.12928
Core Subject : Health,
Medicine & Pharmacology
Pharmaciana is a scientific journal published by the University of Ahmad Dahlan worked closely with Ikatan Apoteker Indonesia (IAI). Pharmaciana published three times a year, namely March, July and November. with ISSN 2088-4559 and e-ISSN 2477-0256. The article published in the Journal Pharmaciana selected by editors and reviewed by the reviewer. Articles published in Pharmaciana must not be published in other journals or have been previously published. Pharmaciana is indexed in google scholar, ACI (Asean Citation Index), Dimension (Crossreff), Garuda, Sinta, Sherpa Romeo, Index Copernicus International, DOAJ, and BASE. Pharmaciana is accredited by DIKTI (DGHE) of Indonesia No. 105/E/KPT/2022 April 07, 2022
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 11 Documents
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Search results for , issue " Vol 2, No 1 (2012): Pharmaciana" : 11 Documents clear
VALIDASI METODE ANALISA PENETAPAN KADAR EPIGALOKATEKIN GALAT DENGAN KLT DENSITOMETRI Sugihartini, Nining; Fudholi, Achmad; Pramono, Suwidjiyo; Sismindari, Sismindari
Pharmaciana Vol 2, No 1 (2012): Pharmaciana
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (81.542 KB) | DOI: 10.12928/pharmaciana.v2i1.656

Abstract

TLC Densitometry is one of method which was used to measure amount of activesubstance. Active substance of epigallocathechin gallate is one of in green tea extractcream. Method of analysis must be validated to prove that method will give the dataclose with the real value. Aim of this research is to prove that TLC Densitometry methodhave liniearity, precision and accuration that fulfill the requirement. This study usedconcentration 600, 1800 and 3000 ug/ml with 3 replications to measure precision(based on value of CV) and accuration (based on value of recovery). Liniearity wasknown based on value of r of curve regression between concentration and wide area ofchromatogram. LOD and LOQ was calculated based on curve regression. Researchshowed that method of analyse had liniearity with r= 0,98. Value of CV concentrationof 600, 1800 and 3000 ug/ml were 8,18%; 3,19% and 1,53%, respectively and recoverywere 88,10%; 99,65% dan 111,33%, respectively. Value of LOD was 827,01 µg/ml andLOQ was 2756,69 µg/ml.

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