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Kusumoto, Kazue; Baba, Tsugio; Saito, Minoru; Akehashi, Hachiro

doi:10.3358/shokueishi.20.391

J. Food Hyg. Soc. Jpn

1979

DOI: 10.3358/shokueishi.20.391

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Kazue Kusumoto

Tsugio Baba

Minoru Saito

et al.

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Alkylphenol and bisphenol A levels in rubber products

Ozaki

Baba²

2003

Food Additives and Contaminants

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Levels of p-t-butylphenol (PTBP), p-t-octylphenol (PTOP), p-nonylphenol (NP) and bisphenol A (BPA) in rubber products in food-contact use, infant-related use and other uses are reported. Of 60 rubber products tested, PTOP was found in three in a concentration range of 2.2-37 microgram g(-1), and NP in 15 in a concentration range of 2.6-513 microgram g(-1). PTBP and BPA were not found in any sample. PTOP and NP were not detected in any infant-related sample, regardless of the material type. In contrast, among the samples with food contact and with other uses, the percentages containing PTOP or NP were 33 and 43%, respectively. A migration test was performed on eight samples containing NP and used in food-contact environments. The migration level of NP from spatulas to n-heptane was 0.83-1.52 microgram ml(-1). The average migration rates to water, 20% ethanol and n-heptane were 0.03, 0.7 and 6.6%, respectively.

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Alkylphenol and bisphenol A levels in rubber products

Ozaki

Baba²

2003

Food Additives and Contaminants

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Extraction and clean‐up of contaminants and toxicants from food for mass spectrometric analysis—a literature review

1986

Food Additives and Contaminants

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This report presents a review of the literature on the extraction and clean-up procedures used prior to the analysis, by mass spectrometry, of organic contaminants and toxicants in foods and food-related materials. It includes a brief description of the uses of a mass spectrometer and shows how the mode of operation of the machine can influence the amount of clean-up necessary before a sample is presented for analysis. The review covers a variety of contaminants of different compound types in a wide range of foods and not only discusses sample preparation techniques that have been used for contaminant analysis by mass spectrometry but also considers some that could be used. The most commonly used techniques involve solvent extraction followed by a clean-up using liquid-liquid partition or column chromatography or both, although a number of newer methods being evolved are moving towards the ideal of a single-step extraction and clean-up process.

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Residual Chemicals in Natural Rubber Products for Food Contact Use.

Kawamura

Nakajima²,

Yamada³

2001

Journal of the Food Hygienics Society of Japan

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Cited by 3 publications

References 0 publications

Alkylphenol and bisphenol A levels in rubber products

Alkylphenol and bisphenol A levels in rubber products

Extraction and clean‐up of contaminants and toxicants from food for mass spectrometric analysis—a literature review

Residual Chemicals in Natural Rubber Products for Food Contact Use.

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