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 کاملAntibiotic growth promoters.
Sir, I was dismayed to see that Phillips et al. were defending what nearly all microbiologists know are grave abuses of antibiotics— their continuous use in feed as growth promoters and the needless widespread use of broad spectrum agents (fluoroquinolones). This is despite their acknowledgement that ‘the more an antibiotic is used, the more likely are resistant populations to develop’ and that...
متن کاملPharmaco-epidemiology of Stimulants
tion to treat child and adolescent disorders is causing concern in the community. This particularly applies to the use of stimulants such as amphetamines and methylphenidate. Is the prescription of stimulants restricted to conditions for which they are an effective treatment? Is the medical profession placing too much emphasis on the use of medication to treat childhood mental health problems a...
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ژورنال
عنوان ژورنال: Science
سال: 1951
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.114.2951.3