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Potensi Ekstrak Kunyit dan Kencur sebagai Anti Mikroba dan Antioksidan

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Tumeric and galingale are kinds of spices that are often used in food processing as natural food additives. It is supposed that active compounds of tumeric (e.g. curcumoid) and galingale (e.g. caemferol) have abilities in inhibiting the growth of bacteria (anti-bacteria effect). The main aim of this rsearch is know the inhibiting effect of tumeric and galingale extracts ( solved by methanol 96%) on the growth of eschericia coli and staphylococcus aureus as well as the capacity of antioxidant of both spices. the method of this research was in vitro with random group design the assays that were used in this research are inhibition test using agar diffusion, total phenolic analysis (folin-ciocalteu method) and antioxidant capacity using spectrophotometer. this research showed that the highest ekstrac yield was gotten from wet tumeric extract, while the lowest yield was from dried tumeric extract (13,3% and 2,9% respectively). This research has not found the inhibition effect of both tumeric and galingale extract on the gowth of eschericia coli and staphilococcus aureus. the total fenolic content on tumeric extract was higher than galingale extract. the treatment of drying on tumeric had higher total phenolic content than other treatment such as grilling and fresh (332,55 mg/ml, 287,74 mg/ml, dan 109,08 mg/ml, respectively). The antioxidant capacity of dried tumeric extract was was highest (80,67%) than other treatments. In conclucion, eventhought the are no inhibition effect of tumeric and galingale extracts (solved by methanol 96%) in inhibiting the growth of eschericia coli and staphylococcus aureus, this research show that there is antioxidant potentional on dried tumeric in decreasing the oxidation reaction and free radical attacks

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Series Title

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Call Number

Jurnal Skala Husada, 8 (2) 2011 : 138-142

Publisher

Denpasar : Politeknik Kesehatan Denpasar Bersama., 2011

Collation

5p

Language

ISBN/ISSN

1693-931X

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Edition

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Subject(s)

plants, medicinal
antioxidants
Curcuma
ZINGIBERACAEA

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