What is "cydonin"

Cydonin \Cy*do"nin\ (s?-d?"n?n), n. (Chem.) A peculiar mucilaginous substance extracted from the seeds of the quince ( Cydonia vulgaris), and regarded as a variety of amylose.

n. (context organic compound English) A mucilaginous substance extracted from the seeds of the quince (''Cydonia oblonga''), regarded as a variety of amylose.