Hele Christopher Njopin

Optimization of the Synergistic Antioxidant Activity of Clove (Syzygium aromaticum) Flower Bud Extract, Turmeric (Curcuma longa) Rhizome Extract, Vitamin C, and Vitamin E Using a Non-Factorial Central Composite Design

Hele Christopher Njopin, Akat Heroine Ma-Ndip, Gujung Sharone Afumbi, Chedjou Jean Paul, Arrey Oben Ebob Ashu, Achidi Aduni Ufuan & Eric Akum Achidi · European Journal of Nutrition & Food Safety · 2026

Oxidative stress plays a central role in the development of metabolic disorders, prompting increased interest in synergistic antioxidant formulations derived from natural and synthetic sources. This study aimed to evaluate and optimise the antioxidant potential of vitamin C, vita...