AKTIVITAS ANTIOKSIDAN METABOLIT SEKUNDER BAKTERI ENDOFIT AKAR TANAMAN Moringa oleifera L (Kelor)

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Title AKTIVITAS ANTIOKSIDAN METABOLIT SEKUNDER BAKTERI ENDOFIT AKAR TANAMAN Moringa oleifera L (Kelor)
 
Creator Kuntari, Zeta
Sumpono, Sumpono
Nurhamidah, Nurhamidah
 
Description [ANTIOXIDANT ACTIVITY OF SECONDARY METABOLITE FROM ENDOFIT BACTERIA OF  Moringa oleifera L (KELOR) ROOTS]  The purpose of this research was aims to isolate and measure the ability of antioxidant activity from secondary metabolites produced by endophytic bacteria that grow in the live tissue root  of Moringa oleifera L. (kelor). Endophytic bacteria were purified and cultured using a solid  Murashige-skoog (MS)  medium for 3 days at room temperature. Secondary metabolites were obtained by centrifugation process at a rate of 3000 rpm for 20 minutes. The bacterial fermentation process  using  Nutrient Broth  (NB) medium for 72 hours with a shaker speed at 170 rpm . The suspension supernatant was extracted with a maceration method using 86% ethyl acetate, followed by vacuum rotary evaporator concentration at 40 ° C. The extract antioxidant activity test  was performed using the DPPH (1,1-diphenyl-2-picrylhydrazyl) method using a UV-Vis spectrophotometer at 517 nm wavelength and ascorbic acid as standard. The result of DPPH test showed that the antioxidant activity of ethyl acetate extract of endophytic bacterial from root of M. oleifera L root has IC50 value at  315, 396 ppm.  Based on these results, it can be concluded that the secondary metabolite extract of endophytic bacterial from M. oleifera L root classified as weak antioxidant (IC50> 250 ppm).
 
Publisher FKIP University of Bengkulu
 
Contributor
 
Date 2017-12-17
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://ejournal.unib.ac.id/index.php/alotropjurnal/article/view/3483
 
Source Alotrop; Vol 1, No 2 (2017)
 
Language eng
 
Relation https://ejournal.unib.ac.id/index.php/alotropjurnal/article/view/3483/1856
 

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