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作者曾发现从棕榈油提取的天然胡萝卜素能抑制各种人类恶性肿瘤细胞的增殖,恶性肿瘤细胞有GOTO(神经母细胞瘤)、PANC-1(胰腺癌)、A172(胶质母细胞瘤)和HGC-27(胃癌)。已知棕榈油中的胡萝卜素组分及其百分比几乎与胡萝卜中的相同,含有30%的α-胡萝卜素、60%的β-胡萝卜素及10%的其它类胡萝卜素。为了比较α-胡萝卜素与β-胡萝卜素对恶性肿瘤细胞增殖的影响,作者进行了该项体外实验研究。将人神经母细胞瘤细胞株GOTO接种于添加10%胎牛血清的Dulbecco氏改良Eagle
The authors have found that the natural carotene extracted from palm oil can inhibit the proliferation of various human malignant cells. GOTO (neuroblastoma), PANC-1 (pancreatic cancer), and A172 (glioblastoma) are malignant tumor cells. And HGC-27 (gastric cancer). It is known that the composition and percentage of carotene in palm oil is almost the same as in carrots, containing 30% of α-carotene, 60% of β-carotene, and 10% of other carotenoids. To compare the effects of α-carotene and β-carotene on the proliferation of malignant tumor cells, the authors performed this in vitro study. Inoculation of human neuroblastoma cell line GOTO in Dulbecco’s modified Eagle supplemented with 10% fetal bovine serum