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All Journal Jurnal Farmasi Higea
Anisa Nurul Fitria
Sekolah Tinggi Ilmu Farmasi (STIFARM) Padang
Medicine & Pharmacology

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Pengaruh Lama Pencucian Terhadap Kadar Vitamin B1 Pada Beras Putih Dan Beras Merah Secara Spektrofotometer Visibel Roslinda Rasyid; Anisa Nurul Fitria; Humaira Fadhilah
Jurnal Farmasi Higea Vol 6, No 2 (2014)
Publisher : STIFARM Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (141.47 KB) | DOI: 10.52689/higea.v6i2.107

Abstract

A research about analysis of vitamin B1 on the effeccts of long leaching on levels of vitamin B1 on white rice and red rice using UV-Visible spectrophotometry. Vitamin B1 reacted with bromthymol blue for compose ion-association complex. For improve solubility of Vitamin B1 complex compounds with bromthymol blue be added polivinyl alcohol as a solubilization substance, and added amonia buffer as pH buffer, that measured with wavelength of maximum absorbance was 431,0 nm. Average (%) Vitamin B1 level of white rice after leaching minutes 1 is 0,0166. Average vitamin B1 level of red rice after leaching minutes 1 is 0,0262. The highest level of vitamin B1 from the white rice and red rice was found on minute 1 after leaching. From the statistical analysis one way ANOVA using SPSS 17 program found a significant difference (p<0,05) from each sample.
Co-Authors Humaira Fadhilah Roslinda Rasyid