koji extract

例句：

1. 1. This koji extract is highlyconcentrated and has a strong flavor.
   这种柚子提取物浓度很高，味道很浓。
2. 2. Thekoji extract is used in skincareproducts to improve skin texture and tone.
   这种柚子提取物被用于护肤产品中，以改善皮肤质地和肤色。
3. 3. Thekoji extract is also used as anatural preservative in food processing.
   这种柚子提取物也被用作食品加工中的天然防腐剂。