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1.	Arzami, Anis N., et al. (author) Narrow-leafed lupin (Lupinus angustifolius L.) : Characterization of emulsification and fibre properties 2022 In: FUTURE FOODS. - : Elsevier BV. - 2666-8335. ; 6 Journal article (peer-reviewed)abstract Lupin is among the most promising plant-based food protein sources due to its high protein and fibre content. The fibre fraction, especially from seed coats, is often seen as low in value (discarded as waste or as animal feed) and greater knowledge on its composition and structure are crucial to increase its usefulness. However, only one model of lupin fibre structure exists in the literature. Our sample of Finnish-grown narrow-leafed lupin seed consisted of fibre (43.3%), protein (31.3%), fat (8.1%) and starch (0.2%). According to the sugar analysis, rhamnogalacturonan-I, with branches of arabinan and galactan, constituted the main pectin population in the fibre fraction. A revised model of the overall fibre structure is proposed. At concentrations of 0.75% and 1.0%, both unrefined and defatted flour of whole lupin seeds produced stable suspensions and oil-in-water emulsions, demonstrating their application as potential emulsifiers. This study presents the knowledge and opportunity to support sustainability through the utilization of whole lupin seed for future industrial applications.

Arzami, Anis N., et al. (author)
Narrow-leafed lupin (Lupinus angustifolius L.) : Characterization of emulsification and fibre properties
2022
In: FUTURE FOODS. - : Elsevier BV. - 2666-8335. ; 6
Journal article (peer-reviewed)abstract
- Lupin is among the most promising plant-based food protein sources due to its high protein and fibre content. The fibre fraction, especially from seed coats, is often seen as low in value (discarded as waste or as animal feed) and greater knowledge on its composition and structure are crucial to increase its usefulness. However, only one model of lupin fibre structure exists in the literature. Our sample of Finnish-grown narrow-leafed lupin seed consisted of fibre (43.3%), protein (31.3%), fat (8.1%) and starch (0.2%). According to the sugar analysis, rhamnogalacturonan-I, with branches of arabinan and galactan, constituted the main pectin population in the fibre fraction. A revised model of the overall fibre structure is proposed. At concentrations of 0.75% and 1.0%, both unrefined and defatted flour of whole lupin seeds produced stable suspensions and oil-in-water emulsions, demonstrating their application as potential emulsifiers. This study presents the knowledge and opportunity to support sustainability through the utilization of whole lupin seed for future industrial applications.

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