ATR-FTIR Spectra Fingerprinting of Medicinal Herbs Extracts Prepared Using Microwave Extraction

Topalăa C.M. Tătarua L.D



The present study aims to fingerprint 4 extracts of medicinal herbs: horsetail. (Equisetum arvense L.), milfoil (Achillea millefolium L.), comfrey (Symphytum officinale L.) and purple loosestrife (Lythrum salicaria L.) by ATR-FTIR spectroscopy. Extracts of medicinal plants were performed by Microwave-assisted extraction (MAE). In order to determine the fingerprint of each extract plants sample the FTIR was used and permit to characterize the presence of functional groups and to identify the specific fingerprint region. A good correlation was found between the concentration of total phenols calculated by UV-Vis spectrometry and FTIR method after calibration with gallic acid. Purple loosestrife has the highest phenol content.



ATR-FTIR, MAE, microwave-assisted extraction, Equisetum arvense, Achillea millefolium, Symphytum officinale, Lythrum salicaria

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ISSN: 2458-5920