Abstract

Leaves of four species of Myrtaceae family were collected and essential oil isolated using hydrodistillation process. The essential oil was estimated for its total phenol content and antioxidant activity using in vitro assays such as DPPH, ABTS, FRAP, hydrogen peroxide and hydroxyl scavenging of leaf oil. Among the four species Syzygium calophyllifolium showed higher total phenolic content (311.85 mg FAE/100g) and higher scavenging activity of DPPH (66.42 %) and FRAP (92.19 %). Syzygium grande showed higher activity against hydrogen peroxide (96.29 %) and ABTS (44.35 %). Syzygium makul exhibited higher scavenging ability for hydroxyl radical (94.83 %). The present result showed higher antioxidant activity of leaf essential oil from Syzygium species compared to Eugenia species.

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