Antitumor Activity of Fermented Colostrum and Milk

Abstract
Male Swiss mice, implanted with Ehrlich ascites tumor cells, were fed each of the following test materials: fresh bovine colostrum, colostrum cultured with Lactobacillus acidophilus, colostrum cultured with Lactobacillus bulgaricus, colostrum cultured with L. bulgaricus and Streptococcus thermophilus, milk cultured with L. acidophilus and milk cultured with L. bulgaricus. Fresh colostrum had no significant effect when fed ad libitum for 7 consecutive days after tumor implantation. Colostrum fermented with L. acidophilus, L. bulgaricus or yogurt culture significantly (P< 0.05) inhibited tumor cell proliferation as indicated by a 16 to 40% decrease in cell counts and a 13 to 35% decrease in DNA synthesis. Similar effects were noted for whole milk fermented with either L. acidophilus or L. bulgaricus.

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