Influence of Sulfur-Containing Compounds on Nitrate-Induced Rapid Detinning in Acid Fruit Cans

Serious problems arise in the rapid detinning of plain tinplate cans, particularly when the cans contain are tropical fruit with high nitrate concentrations poses. An investigation found that rapid detinning does not occur in presence of high nitrate concentrations, because the tin sulfide film form...

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Bibliographic Details
Published inHyōmen gijutsu Vol. 48; no. 3; pp. 355 - 361
Main Authors OHGA, Tomonari, OYAGI, Yashichi, NOGUCHI, Masatoshi
Format Journal Article
LanguageEnglish
Japanese
Published Tokyo The Surface Finishing Society of Japan 01.03.1997
Japan Science and Technology Agency
Subjects
L-cysteine
Nitrate
Rapid Detinning
Sulfur-containing Compounds
Tin Sulfide Film
Tinplate
Tropical Fruit
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Summary:Serious problems arise in the rapid detinning of plain tinplate cans, particularly when the cans contain are tropical fruit with high nitrate concentrations poses. An investigation found that rapid detinning does not occur in presence of high nitrate concentrations, because the tin sulfide film formed on the tinplate surface surpresses detinning. We confirmed that sulfur forming tin sulfide originates from cans contents, i.e. sulfur-containing compounds that determine fruit flavor and taste. Sulfur-containing compounds such as L-cysteine are particularly thermally unstable and decomposed by heat treatment. Tin sulfide film surpresses detinning, and tends to cause iron dissolution reaction, meaning that due care must be exercised.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0915-1869
1884-3409
DOI:10.4139/sfj.48.355