Essential Oil Content and Antioxidant Activity of Methanolic Rhizome Extract Of Two Zingiberace Plants In The Hill Of Manipur
Journal Title: International Journal of Pharmaceutical Science Invention - Year 2018, Vol 7, Issue 4
Abstract
In the present work, essential oil content, phytochemical constituents of rhizomes of two wild aromatic plants of Zingiberaceae family were tested in vitro. Protocols such as water distillation, 1,1-diphenyl2-picryl hydrazyl radical(DPPH), Folin-Ciocalteu method, Aluminum Chloride have been used for evaluation. Rhizome extract were prepared with methanol by Soxhelt apparatus and essential oil extract with distilled water by Clevenger apparatus. The study reveals that the highest oil content was observed in Alpinia officinarum(0.3%). The total phenol content of Alpinia galangal showed the higher value (63.870 ± 0.353). Total flavonoid content of methanolic extract of Alpinia officinarum ,Alpinia galangal in terms of Quercetin equivalent (QE) was 33.66±1.87, 29.537±2.151 of the extract respectively. In DPPH assay of Alpinia galanga (625.123±0.155) showed the higher free radical scavenging activity compared with Alpinia officinarum (195.30±0.52).
Authors and Affiliations
Kh. Ujala Devi, Th. Inaocha Devi, S. Joylani Devi
Keywords
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