| 摘要 |
PURPOSE:To obtain the titled substance comprising a conjugated nontoxic essential protein, by removing a carcinogenic tar, a foreign enzyme protein and a foreign oriented protein from a protein component. CONSTITUTION:A raw biological substance, e.g. blood, urine or the whole individual animal including a fish and a shellfish having all kinds of essential amino acids and soybean or other plants, is detoxicated by removing a foreign enzyme protein and a foreign oriented protein, from the substance under such conditions as not to produce a carcinogenic tar. The remaining substance is recovered to afford a nontoxic interferon inducing substance comprising at least ont type selected from three MIT proteinaceous substances of a conjugated nontoxic essential protein (MIT), an MIT protein derivative from MIT and an MIT-induced protein from MIT. The resulting substance can induce interforon in a nontoxic form in vivo, and is usable for inhibiting the growth of cancer and treating leukemia.
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