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Title Characterization and Valorization of the Agricultural Waste Obtained from Lavandula Steam Distillation for Its Reuse in the Food and Pharmaceutical Fields
ID_Doc 23935
Authors Truzzi, E; Chaouch, MA; Rossi, G; Tagliazucchi, L; Bertelli, D; Benvenuti, S
Title Characterization and Valorization of the Agricultural Waste Obtained from Lavandula Steam Distillation for Its Reuse in the Food and Pharmaceutical Fields
Year 2022
Published Molecules, 27, 5
Abstract The main focus of the current research was the characterization of the by-products from the steam distillation of Lavandula angustifolia Mill. (LA) and Lavandula x intermedia Emeric ex Loisel (LI) aerial parts, as they are important sources of bioactive compounds suitable for several applications in the food, cosmetic, and pharmaceutical industries. The oil-exhausted biomasses were extracted and the total polyphenol and flavonoid contents were, respectively, 19.22 +/- 4.16 and 1.56 +/- 0.21 mg/g for LA extract and 17.06 +/- 3.31 and 1.41 +/- 0.10 mg/g for LI extract. The qualitative analysis by liquid chromatography-electrospray tandem mass spectrometry (HPLC-ESI-MS) revealed that both the extracts were rich in phenolic acids and glycosylated flavonoids. The extracts exhibited radical scavenging, chelating, reducing activities, and inhibitory capacities on acetylcholinesterase and tyrosinase. The IC50 values against acetylcholinesterase and tyrosinase were, respectively, 5.35 +/- 0.47 and 5.26 +/- 0.02 mg/mL for LA, and 6.67 +/- 0.12 and 6.56 +/- 0.16 mg/mL for LI extracts. In conclusion, the oil-exhausted biomasses demonstrated to represent important sources of bioactive compounds, suitable for several applications in the food, cosmetic, and pharmaceutical industries.
PDF https://www.mdpi.com/1420-3049/27/5/1613/pdf?version=1646204582

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