Author: "Hiroko Sekine" / Publisher: japanese society for food hygiene and safety - Searchworks@Jio Institute Digital Library Search Results

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Start Over Author "Hiroko Sekine" Publisher japanese society for food hygiene and safety

Author: Yuko Saito, Hiroko Sekine, Toshiaki Fujii, Hiroshi Ishida, and Shigezi Sekiya
Subjects: Hydrolysis, chemistry.chemical_compound, Chromatography, Chemistry, Organic chemistry, Dulcin, General Medicine, Gas chromatography
Published: 1990
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Author: Shigeji Sekiya, Hiroko Sekine, Shigeru Kimura, and Hiroshi Ishida
Subjects: Chromatography, Chemistry, medicine, General Medicine, Gas chromatography, Theobromine, medicine.drug
Published: 1986
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Author: Shigeji Sekiya, Hiroshi Hashida, Hiroko Sekine, Shigeru Kimura, Toshiaki Fujii, and Hiroshi Ishida
Subjects: Hydrolysis, chemistry.chemical_compound, Aqueous solution, Chromatography, chemistry, Basic solution, Gluconic acid, General Medicine, Gas chromatography, δ lactone
Abstract: Analytical conditions for the determination of glucono-δ-lactone in soybean curd by gas chromatography were examined, and a standard method is proposed. The method is shown in Scheme 2.Glucono-δ-lactone is hydrolyzed gradually in aqueous solution, and partially decomposed to gluconic acid, so that glucono-δ-lactone and gluconic acid co-exist in solution. Since glucono-δ-lactone in basic solution is wholly transformed to gluconic acid, it was converted to, and determined as, gluconic acid. The coefficient of variation was 2.36% and the average recovery was 98%.
Published: 1984
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