منابع مشابه
Growth stimulants in plant extracts for Leuconostoc citrovorum.
The growth of Leuconostoc citrovorum ML 34, an isolate associated with the malo-lactic fermentation of wine, was stimulated in part by grape, orange, cabbage, and tomato juices. The stimulatory activity of tomato serum was associated with the carbohydrate fraction. Further purification of the fraction showed that fructose was the factor responsible for initiating growth. In addition to fructose...
متن کاملCharacterization of growth stimulants in corn steep for lactic streptococci.
The production of acid in milk cultures of lactic streptococci was stimulated by the addition of corn steep liquor. Separation by ion-exchange and paper chromatography indicated the presence of four major stimulatory components in the corn steep. Some variation was noted in the response of the lactic streptococci to the individual stimulatory components. The four components were further purifie...
متن کاملStimulants and growth in children with attention-deficit/hyperactivity disorder.
Initial suggestions that suppression of growth may be an intrinsic characteristic of attention-deficit/hyperactivity disorder (ADHD) have now largely been disproven. Although controversy persists regarding the possible negative effect of adrenergic stimulants on growth in children with ADHD, the consensus that appears to be reached in the scientific literature is that stimulant usage may cause ...
متن کاملMicrobial growth rates in nature.
INTRODUCTION ........................................................... Commitment to Nature..................................................... What is Nature? ............................................................ POPULATION PROBLEMS .............................................. ASSESSMENT OF MICROBIAL NUMBERS OR MASS......................... DEFINING BOUNDARIES OF THE HABITAT .........
متن کاملControlling Microbial Growth
In its strictest sense, sterilization refers to the removal or destruction of all microbes, including viruses and bacterial endospores, in or on an object. (The term does not apply to prions.) In practical terms, sterilization techniques eradicate harmful microbes, but some innocuous microbes may still be pres ent. The term aseptic describes an environment or procedure that is free of con tam...
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ژورنال
عنوان ژورنال: Nature
سال: 1958
ISSN: 0028-0836,1476-4687
DOI: 10.1038/181285a0