Journal
JOURNAL OF FOOD PROCESSING AND PRESERVATION
Volume 46, Issue 12, Pages -Publisher
WILEY-HINDAWI
DOI: 10.1111/jfpp.17252
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Funding
- Science and Engineering Research Board [EEQ/2020/000565, STR/2021/000019]
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This study examines the impact of infrared and dry-air roasting on sesame oil quality and stability characteristics. Dry-air roasting at 180 degrees C for 15 min proves effective in improving sesame oil stability and quality characteristics.
The present study reports the impact of infrared (IRR) and dry-air roasting (DAR) at 160, 180, and 200 degrees C for 5, 10, and 15 min on the moisture content of sesame seeds, oil extraction yield (OEY), chemical characteristics, oxidative stability index (OSI), viscosity, color, browning index (BI), pigments, radical scavenging activity (RSA), total flavonoid (TFC), and phenolic (TPC) content and fatty acid composition (FAC) of white sesame oil (WSO) and black sesame oil (BSO). The OEY, OSI, viscosity, BI, pigments, TPC, TFC, and RSA increased, whereas acid, peroxide, L*, and b* values of WSO and BSO declined by increasing DAR and IRR conditions. Fourier transform infra-red spectra exhibited a minor variation in peak intensities that relate to changes in FAC and p-AV of WSO and BSO. Both DAR and IRR techniques had improved WSO and BSO quality. However, DAR (180 degrees C for 15 min) is suggested for enhancing WSO and BSO yield and quality characteristics. Novelty impact statement Sesame oil is considered a highly nutritious and healthy oil owing to its desirable fatty acid composition. This study reported the impact of dry-air and infrared roasting on sesame oil quality and stability characteristics. Dry-air roasting at 180 degrees C for 15 min proved effective for improving sesame oil stability and quality characteristics.
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