But some bitter substances in It'such as elaterin are unacceptable.由于苦瓜含有苦瓜素等物质,苦味较重,令一些消费者难以接受.Stressed plants diminish osmotic potential by accumulating free amino acids, ions and dissolvable substances.被盐胁迫的植物因自由...
Scientists claim to have identified natural substances with cancer-combating properties.科学家们声称已经发现自然界的某些物质具有抗癌特性。The goal is complete abstention from all mind-altering substances.目标是彻底戒绝所有致幻物质。Most of these nourishing su...