Studies on the Contents of Water-soluble Chlorides and Water-soluble Sulfates in Food Color Aluminum Lakes

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  • NAKANO Maki
    Division of Food Chemistry, Osaka Branch, National Institute of Health Sciences Ikeda Laboratory, AnGes MG Inc.
  • FURUKAWA Mizuki
    Division of Food Chemistry, Osaka Branch, National Institute of Health Sciences Tokyo Center, Japan Inspection Association of Food and Food Industry Environment
  • TSUJI Sumiko
    Division of Food Chemistry, Osaka Branch, National Institute of Health Sciences National Institute of Health Sciences
  • TONOGAI Yasuhide
    Division of Food Chemistry, Osaka Branch, National Institute of Health Sciences Test Inspection Center, Osaka Pharmaceutical

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  • 食用タール色素アルミニウムレーキ中の水溶性塩化物および水溶性硫酸塩の含有量について
  • ショクヨウ タール シキソ アルミニウム レーキ チュウ ノ スイヨウセイ エンカブツ オヨビ スイヨウセイ リュウサンエン ノ ガンユウリョウ ニ ツイテ

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Abstract

Japan's Specifications and Standards for Food Additives, 7th Edition (JSFA-VII) does not set limits for total contents of water-soluble chlorides and water-soluble sulfates (water-soluble inorganic salts) in food color aluminum lakes (FC-Als). However, the regulatory limit is 2% in JECFA and CFR. We used column switching suppressor-type ion chromatography (CSS-IC) for determination of anions. The total contents of water-soluble inorganic salts in FC-Als (112 qualified samples) were determined using the modified CSS-IC from fiscal year 1998 to fiscal year 2003. Total contents of water-soluble inorganic salts in four samples exceeded 2%. From an international point of view, it is desirable that the total content of water-soluble inorganic salts in FC-Al should again be regulated in Japan.

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