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Journal : Jurnal Matematika

Antimicrobial Activities of the Ethanol Extracts of Capsicum Fruits with Different Levels of Pungency Soediro Soetarno; Sukrasno Sukrasno; Elin Yulinah; Sylvia Sylvia
Jurnal Matematika & Sains Vol 2, No 2 (1997)
Publisher : Institut Teknologi Bandung

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Abstract

Ethanol extracts of the fruits of three kinds of Capsicum showed similar potencies in their antimicrobial activities against Gram (+) and Gram (-) bacterias, and fungi, although they contained different level of capsaicin. Bioautographic tests demonstrated that capsaicin was the main antimicrobial component. At least two other non-polar components of ethanol extract also contributed in the antimicrobial activity and very likely that these compounds were responsible for the activity toward Pseudomonas aeruginosa.
Kandungan Kapsaisin dan Dihidrokapsaisin Pada Berbagai Buah Capsicum Sukrasno Sukrasno; Siti Kusmardiyani
Jurnal Matematika & Sains Vol 2, No 1 (1997)
Publisher : Institut Teknologi Bandung

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Abstract

Search for the hotest chilli pepper (Capsicum) fruits which was based on their capsaisinoid contents has been conducted. Chilli pepper fruits were collected from various places in Indonesia and two of them from Japan. From the 25 kinds of chilli pepper analysed, it was found that all C. frutescens contained capsaicinoids while in some C. annuum these compounds were not detected. Capsaicinoid content in chilli pepper fruits is affected by the their age and the highest content found in mature fruits before ripening which is indicated by the change of colour from green or pale yellow to red.
Aktivitas Antidiabetika Ekstrak Etanol Herba Sambiloto (Andrographis paniculata Nees (Acanthaceae)) Elin Yulinah; Sukrasno Sukrasno; Muna Anom Fitri
Jurnal Matematika & Sains Vol 6, No 1 (2001)
Publisher : Institut Teknologi Bandung

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Abstract

Antidiabetic activity of the ethanol extract of Andrographis paniculata Nees herbs had been tested using glucose tolerance test in rat and alloxan induced diabetic mice. The extract reduced rat blood glucose at the dose of 2.0 g/kg bw but there was no effect observed at dose of 0.50 g/kg bw and 1.0 g/kg bw. It is interesting that the extract at doses 2.1 g/kg bw and 2.8 g/kg bw, and the effect was much lower at 3.5 g/kg bw also showed the capacity to reduce blood glucose level of alloxane induced diabetic mice.
Aktivitas Hipoglisemik Ekstrak Herba Sambiloto (Andrographis paniculata Nees, Acanthaceae) Soediro Soetarno; Elin Yulinah Sukandar; Sukrasno Sukrasno; Agung Yuwono
Jurnal Matematika & Sains Vol 4, No 2 (1999)
Publisher : Institut Teknologi Bandung

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Abstract

Hypoglycemic activity of hexane, ethylacetate, ethanol and aqueous extract of Andrographis paniculata herbs had been tested using glucose tolerance test. Extraction was conducted consecutively using hexane, ethylacetate and ethanol. Aqueous extract was obtained directly from the crude drug similar to the traditional use. At the dose level of 0.5 g/kg bw, hexane and ethylacetate extract did not show the hypoglycemic effect. Significant activity was shown by ethanol and aqueous extract and the activity of the latter was higher than the former.