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Antioxidant capacity and phenolic content of holy basil

Author(s): Wiwat Wangcharoen | Wallaya Morasuk

Journal: Songklanakarin Journal of Science and Technology
ISSN 0125-3395

Volume: 29;
Issue: 5;
Start page: 1407;
Date: 2007;
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Keywords: holy basil | antioxidant capacity | phenolic content

The antioxidant capacity of white and red holy basil leaves (Ocimum sanctum Linn., white and red varieties) from fresh markets in Chiang Mai was estimated by three different methods; ferric reducing antioxidant power (FRAP) assay, improved ABTS radical cation decolorization assay, and DPPH free radical scavenging activity; together with their total phenolic contents. Water and 95% ethanol ratios of extraction solvents were also studied, and it was found that 57 and 76% ethanol solvents were more suitable in this study. All three antioxidant capacity assays showed that red holy basil was higher in antioxidant capacity than white holy basil (p

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