Antioxidant activity and phytochemical of agricultural waste from Cannabis sativa
Keywords:
Cannabis sativa, phytochemical, antioxidant activity, agricultural waste, gas chromatography mass spectrometryAbstract
Oxidative stress is a case of several diseases such as cancer, Alzheimer's disease, neuroinflammation and neurodegenerative diseases. The plant is an antioxidant agent that can inhibit the oxidative stress. Therefore, this study aimed to analyze the chemical composition and evaluate the antioxidant activity of waste parts from the Peanut Butter Breath strain, leaves, twig, roots, and stems. The results showed that cannabis leaves yielded the highest extract at 6.37% and exhibited the strongest antioxidant activity using DPPH and ABTS assays, with the IC50 values of 149.81 µg/mL and 39.06 µg/mL, respectively. Moreover, cannabis leaves contained the highest total phenolic compounds and total flavonoids with values of 83.44 mg GAE/g extract and 75.79 mg QE/g extract, respectively. Chemical composition analysis using gas chromatography mass spectrometry (GCMS) revealed a diversity of compounds in different plant parts. High levels of tetrahydrocannabinol (THC) and cannabinol (CBN) were found in leaves, while roots contained high amounts of triterpenes and sterols such as friedelan-3-one and friedelanol. This study highlights the potential of cannabis waste, particularly leaves, for development into antioxidant-rich products with possible applications in the pharmaceutical, cosmetic, and dietary supplement industries. Furthermore, utilizing cannabis waste aligns with the circular economy concept, adding value to agricultural byproducts and reducing environmental impact. However, further research on the safety and efficacy of extracts from various cannabis parts in real-world applications is necessary to develop high-quality and safe products for consumers.
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