菹草类胡萝卜素的研究——菹草与红心鸭蛋类胡萝卜素特性的初步比较

用菹草喂养蛋鸭能生产优质红心蛋,通过薄层层析及紫外可见吸收光谱等研究,发现菹草含有一类特殊的红色类胡萝卜素,菹草红色类胡萝卜素及部分黄色类胡萝卜素与红心蛋色素有很好的对应关系,证明了红心鸭蛋的红色素来源于菹草;菹草红色类胡萝卜素易溶于丙酮、乙醇、甲醇等极性溶剂,其丙酮溶液的可见吸收光谱峰波长为480nm;菹草和红心鸭蛋中都含有β-胡萝卜素;对菹草类胡萝卜素的部分特性作了初步研究。

Studies on the Carotenoids in Potamogeton Potamogeton Crispus Comparisons on the Characteristics of Carotenoids between Potamogeton crispus and Red-yolk Duck Eggs

The ducks fed Potamogeton crispus could produce good red-yolk eggs. A kind of special red carotenoid pigmentswas found in Poamogeton crispus, and its red and some yellow pigments were in correspondence with the pigments in red-yolkeggs of ducks fed Potamogeton crispus as assayed by thin-layer chromatography (TLC) and UV-Vis spectroscopy. The redpigments in Potamogeton crispus were solubilized easily in acetone, alcohol and methyl acohol, and the wavelength of maximumabsorption (λmax) of it in acetone was 480nm. There was β-carotene found in both Potamogeton crispus and red-yolk duckseggs. Some characteristics of carotenoids in Potamogeton crispus were studied.