Synergistic Effect of Vespa Amino Acid Mixture on Lipolysis in Rat Adipocytes
SHINOZAKI, Fumika | Abe, Takashi
The effect of Vespa amino acid mixture (VAAM) on the release of lipolytic products was examined in isolated rat adipocytes. Concentrations of 112.5 to 225 ppm of VAAM showed significantly greater release of non-esterified fatty acids (NEFA) and glycerol than the same concentrations of casein amino acid mixture (CAAM). The integrated relative release of NEFA and glycerol was lower in response to individual administration of amino acids comprising VAAM than to VAAM itself. Further, amino acids mixtures deficient in a single amino acid comprising VAAM showed significantly lower release of lipolytic products than VAAM. These data suggest that the synergistic effect of VAAM on the release of lipolytic products is a function of concurrent exposure to the unique composition of amino acids found in VAAM as compared to the effect of exposure to the same individual un-mixed amino acids or to a mixture lacking one of the amino acids comprising VAAM.
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