One slice of matcha vanilla cake now sits at the intersection of dessert and functional food. The same matcha powder that builds its umami and slight bitterness also delivers measurable catechins, a class of polyphenols studied for antioxidant and immune‑modulating effects.Food scientists point to epigallocatechin gallate, or EGCG, as a key active compound. In controlled settings, EGCG has been li...More