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- Title
Biscuits Prepared with Enzymatically-Processed Soybean Meal Are Rich in Isoflavone Aglycones, Sensorially Well-Accepted and Stable during Storage for Six Months.
- Authors
Barreto, Nathália Martins Bomfim; Sandôra, Diego; Braz, Bernardo Ferreira; Santelli, Ricardo Erthal; de Oliveira Silva, Fabricio; Monteiro, Mariana; Perrone, Daniel
- Abstract
Soybean meal (SBM) is a co-product of the soybean oil industry that is rich in bioactive compounds, such as isoflavones. We aimed to study the effects of processing SBM by fermentation (Saccharomyces cerevisiae) (FSBM) and enzymatic hydrolysis (CelluMax C, a commercial cellulase) (ESBM) on its chemical composition, with emphasis on isoflavones. Fermentation increased protein content by 9%, ash content by 7%, dietary fiber by 11% and minerals by up to 38%, except for iron, which decreased by 26%. Fermentation completely removed oligosaccharides from SBM, while enzymatic processing decreased oligosaccharides by 45% in SBM. Both processes converted glycosylated isoflavones into the corresponding aglycones, the content of which increased by up to 7.7-fold. Biscuits containing SBM, FSBM and ESBM could be labeled as dietary sources of dietary fibers, potassium, phosphorous, calcium and zinc, as well as high in proteins, copper, iron, manganese and magnesium. While FSBM biscuits had lower sensory scores compared to SBM biscuits, ESBM biscuits had equivalent scores. During storage for 180 days at room temperature, the isoflavone profile of all biscuits remained stable. Moreover, storage did not impair microbiological and sensory qualities of any biscuits. Altogether, ESBM biscuits show great marketing potential.
- Subjects
SOYBEAN meal; AGLYCONES; ISOFLAVONES; BISCUITS; SOYBEAN industry; SOY oil; TRACE elements; IRON
- Publication
Molecules, 2022, Vol 27, Issue 22, p7975
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules27227975