Study investigates the antioxidant activity of hemp leaves antioxidants_OA antioxidant hemp hempleaves health wellbeing
By Susha Cheriyedath, M.Sc.Jul 11 2023Reviewed by Danielle Ellis, B.Sc. In a recent study published in Antioxidants, researchers explored the antioxidant potential and extraction efficiency of active compounds from hemp leaves using different solvents and mixtures. Identifying cannabis varieties with superior antioxidant properties could produce antioxidant-rich leaves, promoting sustainability and minimizing waste.
About the study In the present study, three hemp varieties Bialobrzeskie, Henola, and Tygra were obtained from an experimental station. The plants were cultivated following recommended agriculture practices, including soil preparation, sowing, herbicide application, and fertilization. The extraction of cannabinoids from the hemp leaves was performed using two methods: maceration and ultrasound-mediated extraction.
Study results The researchers investigated the content of four cannabinoids and the antioxidant activity of cannabis leaf extracts. The results showed that the content of cannabinoids varied among different hemp varieties and extraction methods. Related StoriesTygra leaves extract obtained with methanol showed the highest antioxidant potential in the ABTS assays. Among macerated extracts with different solvents, methanol Bialobrzeskie leaves extract demonstrated the highest antioxidant activity in the DPPH, ABTS, and FRAP assays. In the CUPRAC assay, high potential antioxidant was observed in Tygra leaves extract macerated with isopropanol.
The analysis revealed that the variation in the samples was primarily explained by the first principal component , which negatively correlated with antioxidant results. PC2 negatively correlated with antioxidant activity and positively correlated with cannabinoid content.
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