Definition of physalin in English:

physalin

Pronunciation /ˈfʌɪsəlɪn/ /ˈfɪsəlɪn/

noun

Biochemistry
  • A red carotenoid pigment, C₇₂ H₁₁₆ O₄, that is the bitter principle of the Chinese lantern plant, Physalis alkekengi; zeaxanthin dipalmitate. Also: any of various compounds related to or derived from this, many of which occur naturally in plants of the genus Physalis or other genera of the family Solanaceae.

Origin

Mid 19th century. From scientific Latin Physalis Physalis + -in.