Plants are a rich source of substances with antioxidant properties. including high amounts of polyphenolic compounds. as well as other substances that do not necessarily have antioxidant properties. The presented paper concerns the evaluation of the antioxidant properties of polyphenolics and their binary mixtures in the presence of other components of the system that do not exhibit a... https://allfixelectricales.shop/product-category/non-return-valve/