Abstract
The purpose of this study was to identify and characterize the chemical composition present in aerial parts of Prosopis farcta in petroleum ether and hydro-methanol extracts through LC-PDA-ESI-MS/MS and GC-MS techniques respectively for the first time. The plant samples were collected from northeast of Iran during maturity stage. LC-MS/MS profile revealed 47 phenolic compounds in hydro-methanol extracts, including phenolic acids, flavonoids, and their glycoside derivatives. Flavonoid-O-glycosides (19), flavonoid aglycones (11), phenolic acid derivatives (9), flavonoid-C-glycosides (4), and flavonoid-O, C-glycosides (1) were dominant class phenolics in all studied parts. The extracts contained a significant amount of major compounds, including gallic and vanillic acids, luteolin, apigenin, phloridzin, and vicenin-2. Also, GC-MS analysis of petroleum ether extracts showed that fatty acids, organic acids, steroids, terpenoids, and hydrocarbons were the group of major compounds in all parts. Twenty-four, 27, and 25 components were identified, which represent 99.2%, 96.1%, and 99.4% of the total composition in fruits, leaves, and stems, respectively. These results suggested that other genetic resources of P. farcta can be further explored to screen genotypes with high bioactive compounds and purification of phytochemical compounds, which are valuable to produce, expand, and develop natural antioxidants in production of bio-medicine and food.
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