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Changes in the isoflavone profile and in the chemical composition of tempeh during processing and refrigeration PAB
Ferreira,Márcia Pires; Oliveira,Maria Cristina Neves de; Mandarino,José Marcos Gontijo; Silva,Josemeyre Bonifácio da; Ida,Elza Iouko; Carrão-Panizzi,Mercedes Concórdia.
The objective of this work was to analyze changes in the isoflavone profile, determined by high performance liquid chromatography, at different processing stages and after refrigeration of tempeh. For tempeh production, clean soybean grains from cultivars BR 36 (low isoflavone content) and IAS 5 (high) were dehulled, and the separated cotyledons were hydrated and then cooked in boiling water for 30 min. Spores of the fungus Rhizopus microsporus var. oligosporus were inoculated in the cooked and cooled cotyledons, and incubated at 32ºC for 6, 12, 18, and 24 hours in perforated polypropylene bags, for fermentation. The resulting tempeh was stored at 4ºC for 6, 12, 18, and 24 hours. After 24-hour fermentation, isoflavone glucosides were 50% reduced, and the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rhizopus microsporus var. oligosporus; Aglycone; Fermentation; Functional food; High performance liquid chromatography; Malonyl.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2011001100018
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