91.   Yams have much less beta carotene, but then they are seldom seen in this country, despite the labels in supermarket produce aisles and on cans.

92.   Although the laboratory rice may have sufficient beta carotene, levels could vary in the varieties that are bred from it, Guerinot said.

93.   Beta carotene is converted by the body to vitamin A as needed.

94.   For instance, some studies have shown that beta carotene, an antioxidant found in foods such as carrots, can help prevent some forms of cancer.

95.   Flamingoes are fed foods containing a high level of beta carotene, which helps them maintain their rosy pink color, and monkeys munch on biscuits made with bran.

96.   Half of those studied also took daily beta carotene plus vitamins E and C.

97.   It also looked at the influence of vitamin C, beta carotene, citrus fruit and fruit juices.

98.   Researchers have spliced three genes into the Golden Rice to make it rich in beta carotene, the source of vitamin A, and other carotenoids.

99.   Rice naturally produces its own beta carotene, but it is lost in the milling process.

100.   Beta carotene did not have any effect on the proteins.

n. + carotene >>共 4
beta 97.09%
bird 0.97%
process 0.97%
weapon 0.97%
beta + n. >>共 65
carotene 28.41%
blocker 22.44%
version 7.95%
interferon 4.55%
software 3.13%
amyloid 2.84%
tester 2.84%
drug 1.99%
radiation 1.99%
supplement 1.70%
每页显示:    共 99