ISOLATION AND STRUCTURAL ELUCIDATION OF CUCURBITAXANTHIN A AND B FROM PUMPKIN CUCURBITA MAXIMA

Article abstract of DOI:10.1016/S0031-9422(00)83753-X

Two new carotenoids, cucurbitaxanthin A <(3S,5R,6R,3'R)-3,6-epoxy-5,6-dihydro-β,β-carotene-5,3'-diol> and cucurbitaxanthin B <(3S,5R,6R,3'S,5'R,6'S=-3,6,5',6'-diepoxy-tetrahydro-β,β-carotene-5,3'-diol)> have been isolated from the pumpkin Cucurbita maxima.Key Word Index-Cucurbita maxima; Cucurbitaceae; pumpkin; carotenoid; cucurbitaxanthin A; cucurbitaxanthin B.