the qualitative and quantitative distribution of carotenoids of the floral parts of three monocotyledons , the narcissus scarlet elegance , the daffodil king alfred and the tulip golden harvest , were studied . beta-carotene , lutein or epoxy-beta-carotenes were usually the main pigments , depending on the floral part and on the flower .
C0007271
carotenoids
C0053396
beta-carotenes