1) Out of the combinations of INAH with one of the following drugs, DSM, PAS, TB
1, Vitamin-K, Ceharanthim Protomin, Z-Furan and Neo-Ninophagen-A. T. INAH+DSM, INAH+PAS, INAH+TB
1, INAH+Vitamin-K and INAH+Z-Furan showed synergistic effects. The effects were strongest in INAH+DSM and INAH+Vitamin-K. Combinations of 3 or 4 kinds of these drugs were also effective, and the combination of INAH+DSM+PAS was the most effective one. Combinations of 4 kinds of drugs were not more effective than the cornbinaticns of 3 kinds of drugs.
2) If DSM was added to one of the following dregs, PAS, TB
1, Vitamin-K, Cepharanthin, Protomin, Z-Furan and Neo Minophager-A. T., PAS, TB
1, Vitamin-K, Cepharanthin and Z-Furan groins showed synergistic effects. 4n the contrary, if ore of these drugs were added to DSM, only PAS, TB
1, Vitamin-K, Protomin and Z-Furan groups showed synergistic effects. In any case, DSM-PAS, or PAS-DSM was the most effective one.
Combinations of more than 3 kinds of drugs cut of DSM, INAH, PAS and TBr were effective, however, their antimicrobial activities were not higher than that of DSM+PAS.
3) Among the combinations of PAS with one of the following drugs, TBi, Vitamin-K, Cepharanthin, Protomin, Z-Furan and Neo-Minophagen-A. T., Vitamin-K+PAS and Z-Furan+PAS showed synergistic effects and Neo-Minophagen-A. T.+PAS gave antagonism. The combinations of 3 kinds or 4 kinds of these drugs were effective, and the antimicrobial effects of PAS became highest at PAS+INAH+DSM, however lower effects were obtained at the combinations of 4 drugs.
4) If TB
1 was added to one of the following drugs, Cepharanthin, Protomin, Z-Furan and Neo-Minophagen-A. T. only Z-Furan+TB
1 group showed synergistic effect, while Cepharanthin +TB
1, Protomin+TB
1 and Neo-Minophagen-A. T.+TB
1 showed antagonism, and Vitamin-K+TB
1 showed antagonism even at low density. When TB
1 was added to one of the other drugs, synerid in was observed in Z-Furan
1TB
1 group, meanwhile antagonism was seen in Vitamin-K+TB
1 and Protomin+TB
1 groups and a little synergistic effect was obtained in Cepharanthin+TB
1 at high density and antagonistic effect at thin density. In the combinations of 3 or 4 of TB
1, INAH, DSM and PAS, the antimicrobial action was highest in the combination of 4 kinds of drugs.
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