软骨胶; 软骨素
Chondrin \Chon"drin\, n. [Gr. ? cartilage.] (Physiol. Chem.) A colorless, amorphous, nitrogenous substance, tasteless and odorless, formed from cartilaginous tissue by long-continued action of boiling water. It is similar to gelatin, and is a large ingredient of commercial gelatin.
chondrin n : a substance that resembles gelatin and is obtained by boiling cartilage in water