Amounts of Acesulfame K, Saccharin and Aspartame Used in Foods

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  • 食品中のアセスルファムK, サッカリン及びアスパルテームの含有量
  • ショクヒンチュウ ノ アセスルファム K サッカリン オヨビ アスパルテーム

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The contents of three sweeteners [acesulfame K (AK), saccharin (SA) and aspartame (APM)] in 203 samples of foods, either imported, purchased on a trip abroad, or made in Japan, were examined. In soft drinks, we detected both SA and APM in three samples manufactured in the U. S. A., AK and APM in three samples manufactured in the U. K. and only APM in three samples manufactured in Japan. In powdered soft drinks, we detected AK and APM, and SA and APM in British and Japanese products, respectively. In solid foods, we detected SA in three pickles and a confectionery (all Japanese-made).<br>Confirmation of AK was carried out as follows: samples were dialyzed against 0.1N hydrochloric acid, and AK was extracted with ethyl acetate from the dialyzate. It was methylated with ethereal diazomethane, and analyzed by gas chromatography-mass spectrometry.

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