Abstract
Sulistyorini F, Andriani M, Utami R. 2008. The effect of various rice varieties to antimicrobial activity of red mould rice by Monascus purpureus. Biofarmasi 9: 50-54. This research had been done at Food and Nutrient Laboratory and Manipulated of Process Laboratory, Agriculture Product Technology Department, Agriculture Faculty, Sebelas Maret University in Surakarta, started from May until September 2008. The aim of this research was to determine the antimicrobial activity of red mould rice from white rice, red rice and black rice. This research used a factorial experiment that arranged in a Completely Randomized Design (CRD) factorial with two experimental factors. The first factor was three levels of rice variety, i.e. white rice (B1), red rice (B2) and black rice (B3). The second factor was fourth levels of extract concentrations, i.e. 2.5% (K1), 5.0% (K2), 7.5% (K3) and 10% (K4). The observation variables included colonies total of Pseudomonas aeruginosa and Escherichia coli, with a plate count method. The result of this research showed that the interaction of rice variety of red mould rice and the extract concentration effected to Pseudomonas aeruginosa and not effected to Escherichia coli. The extract of red mould rice from black rice with 10% concentration extract, had the highest antimicrobial activity to Pseudomonas aeruginosa. The conclusion of this research was red mould rice had an antimicrobial activity. Red mould rice from black rice had an antimicrobial activity higher than red mould rice from red rice and red mould rice from white rice.
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More From: Biofarmasi Journal of Natural Product Biochemistry
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