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....

elaterin的音标：elaterin的英式发音音标为：[ɪ'lætərɪn]elaterin的美式发音音标为：[ɪ'lætərɪn]...

n.西洋苦瓜素...