citrin
(ˈsɪtrɪn)
[G. (L. Armentano et al. 1936, in Deutsche Med. Wochenschr. 14 Aug. 1362/1), f. citrus + -in1.]
A water-soluble flavonoid found in citrus fruits, formerly considered to be a source of vitamin P.
1936 Nature CXXXVIII. 7 Nov. 798/1 Twenty-one of the animals received 1 mgm. ‘Citrin’ daily, this substance being the crystalline flavone fraction of lemon juice. 1944 Hackh's Chem. Dict. (ed. 3) 205/1 Citrin, (1) Cucurbo citrin. A glucoside from watermelon seeds; used as a hypotensor. (2) Hesperidin. 1955 Sci. News Let. 26 Feb. 141/1 The chemicals are now called bioflavonoids. One of them..has been named vitamin P or Citrin. |