摘要:
The invention provides compositions containing cladosporin and/or analogs of cladosporin. Said composition in the form of treated feed compositions or treated drinking water promote and accelerate the growth of animals and improve feedstuff utilization.
摘要:
The new antibiotic Nikkomycin is produced by culturing the strain Streptomyces tendae Ettlinger et al Tu 901 in a nutrient medium at a pH of about 5.5 to 8 under aerobic conditions and isolation by cation exchange from the culture filtrate, followed by elution. The antibiotic is believed to have the structural formula ##STR1## and is characterized by fungicidal activity.
摘要:
R.sup.2 is H or OH;R.sup.3 is H, OH, OCH.sub.3, CH.sub.3 or NH.sub.2 ;Rhu 4 is H, OH, OCH.sub.3, NH.sub.2 or ##STR2## The compounds of the formula I are prepared by fermentation of the strain Streptomyces parvulus DSM 40722 in the presence of substituted benzoic acids of the general formula II ##STR3## where R.sup.1 is H or OH;R.sup.2 is H or OH;R.sup.3 is H, OH, OCH.sub.3, CH.sub.3 or NH.sub.2 ;R.sup.4 is H, OH, OCH.sub.3 or NH.sub.2,and they inhibit Leukocyte elastase and can be used as pharmaceuticals.
摘要:
The new antibiotic Nikkomycin is produced by culturing the strain Streptomyces tendae Ettlinger et al Tu 901 in a nutrient medium at a pH of about 5.5 to 8 under aerobic conditions and isolation by cation exchange from the culture filtrate, followed by elution. The antibiotic is believed to have the structural formula ##STR1## and is characterized by fungicidal activity.