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STUDY OF ANTIOXIDANT PROPERTIES OF SOME TYPES OF PACKAGED COFFEE

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

CC BY-NC 4.0 This work is licensed under Creative Commons Attribution–NonCommercial International License (CC BY-NC 4.0).

Abstract

In this work, several varieties of instant and ground, roasted black packaged coffee were studied. Various extraction methods were used to obtain extracts. The caffeine content was investigated by UV-Vis absorption spectroscopy and HPLC chromatography. The antioxidant properties of the extracts were studied by the method of competitive reactions.

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