Study of the biological activity of hazelnut, cinnamon and barberry extracts

In this study, a plant-based mixture composed of hazelnut (Corylus avellana), cinnamon (Cinnamomum verum), and barberry (Berberis vulgaris) was formulated based on its antioxidant activity, and its bioactive and mineral composition was subsequently evaluated. Water-soluble vitamins, flavonoids, and macro- and microelements in the optimised mixture were quantified using high-performance liquid chromatography (HPLC) and inductively coupled plasma optical emission spectrometry (ICP-OES). The results revealed high levels of B-complex vitamins, particularly folic acid, niacin, and riboflavin, as well as potent antioxidant flavonoids such as apigenin, quercetin, and rutin. Essential minerals, including calcium, magnesium, iron, and zinc, were also present in significant concentrations, while the levels of heavy metals such as arsenic and cadmium remained within acceptable safety limits. Overall, the mixture demonstrates promising potential as a functional food or nutraceutical formulation due to its rich antioxidant and micronutrient content.

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