A sugar free fermented tea particle structure contains a core of fermented tea ferment essence, which contains complex fermented tea enzyme particles, and the outer layer of the fermented tea essence core is covered with a moisture proof protective layer, which is a water-soluble fiber. Therefore, the sugar free fermented tea particle structure is used for oxidation resistance and can be used to eliminate free radicals. Protect cells from free radical damage and other advantages.一種無糖發酵茶葉微粒結構，其包含有一發酵茶葉酵素精華核心，其係內設有複數發酵茶葉酵素微粒，且該發酵茶葉酵素精華核心之外層包附有一防潮保護層，該防潮保護層係為水溶性纖維，藉此，該無糖發酵茶葉微粒結構係以供抗氧化，且可用來消除自由基，以保護細胞免受自由基破壞等優點。
