ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Abstract

Determination of Tannins Content and Antibacteria Activity Test of Ethanol Extract of Sirih Merah (Piper crocatum Ruiz and Pav.) Leaf from North Sumatera Province Indonesia

Kasta Gurning1*, Risanti Febrine Ropita Situmorang2, Efereddy Temen Sinaga1, Nurbaiti Singarimbun1, Suharni Pintamas Sinaga1 and Saronom Silaban3

DOI : http://dx.doi.org/10.13005/ojc/380418


Abstract:

Sirih merah (Piper crocatum Ruiz & Pav.) leaves has traditionally been used as a medicinal plant. The content of secondary metabolites contained is assessed to show pharmacological activity. The secondary metabolites in question include tannins, alkaloids, flavonoids, steroids/triterpenoids and saponins. This study aimed to determine the total tannin content and the potential antibacterial activity of the ethanol extract of P. crocatum leaves. Extraction process by maceration using ethanol, measurement of total tannin content by colorimetric method using UV-Vis spectrophotometry at a maximum wavelength of 745 nm and determination of antibacterial activity by disc diffusion. The results of this study showed that the ethanolic extract of P. crocatum leaves contained about 0.118±0.003 mg TAE/g of dry ethanolic extract. The results of activity testing against Escherichia coli and Staphylococcus aureus showed activity as antibacterial.

Keywords:

Antibacterial; Escherichia coli; Sirih merah; Staphylococcus aureus; Tannins content

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