Full Length Research Paper
Abstract
Secondary compounds, essential oils, and flavoring components of leaf tissues are often enhanced in response to environmental stress exposure. The objective of this study was to determine antioxidant contents of Omani basil under various water regimes including normal and stress conditions. The water stress increased antioxidant compounds in basil leaf tissues, and maximum amount of total phenolics and total flavonoids were observed at an irrigation intensity of 25%. The DDPH scavenging activity and reducing power of basil leaves extract was also higher at 25% water regime. Further decrease in water availability up to 12% caused reduction in antioxidant compounds and antioxidant activities of basil extracts.
Key words: Basil, deficit irrigation, antioxidants, phenolics, flavonoids.
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