The effects of lupin (Lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality

The grain legume Australian sweet lupin (Lupinus angustifolius; ASL) is gaining international interest as a functional food ingredient; however its addition to refined wheat bread has been shown to decrease bread volume and textural quality, the extent of which is influenced by ASL variety. The pres...

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Main Authors: Villarino, C., Jayasena, Vijay, Coorey, R., Chakrabarti-Bell, S., Foley, R., Fanning, K., Johnson, S.
Format: Journal Article
Published: Elsevier Ltd 2014
Online Access:http://hdl.handle.net/20.500.11937/34949
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author Villarino, C.
Jayasena, Vijay
Coorey, R.
Chakrabarti-Bell, S.
Foley, R.
Fanning, K.
Johnson, S.
author_facet Villarino, C.
Jayasena, Vijay
Coorey, R.
Chakrabarti-Bell, S.
Foley, R.
Fanning, K.
Johnson, S.
author_sort Villarino, C.
building Curtin Institutional Repository
collection Online Access
description The grain legume Australian sweet lupin (Lupinus angustifolius; ASL) is gaining international interest as a functional food ingredient; however its addition to refined wheat bread has been shown to decrease bread volume and textural quality, the extent of which is influenced by ASL variety. The present study evaluated the effects of ASL incorporation (20% of total flour) of the six commercial varieties; Belara, Coromup, Gungurru, Jenabillup, Mandelup and Tanjil, on the level of nutritional, phytochemical and bioactive composition and protein quality of refined wheat flour bread. Protein, dietary fiber, phenolic and carotenoid content, antioxidant capacity and protein digestibility corrected amino acid score (PDCAAS) were higher (p. <. 0.05), whereas available carbohydrate level was lower (p. <. 0.05) in ASL-wheat breads than the wheat-only bread, regardless of the ASL variety used. In addition, the blood-glucose lowering bioactive peptide ?-conglutin was detected in all ASL-wheat breads but not in wheat-only bread. The ASL variety used significantly (p. <. 0.05) affected the dietary fiber, fat, available carbohydrates and polyphenolic level, the antioxidant capacity and the PDCAAS of the ASL-wheat breads. These findings demonstrate the potential nutritional and health benefits of adding ASL to refined wheat bread and highlight the importance of selecting specific ASL varieties to maximise its nutritional attributes.
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spelling curtin-20.500.11937-349492017-09-13T15:28:49Z The effects of lupin (Lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality Villarino, C. Jayasena, Vijay Coorey, R. Chakrabarti-Bell, S. Foley, R. Fanning, K. Johnson, S. The grain legume Australian sweet lupin (Lupinus angustifolius; ASL) is gaining international interest as a functional food ingredient; however its addition to refined wheat bread has been shown to decrease bread volume and textural quality, the extent of which is influenced by ASL variety. The present study evaluated the effects of ASL incorporation (20% of total flour) of the six commercial varieties; Belara, Coromup, Gungurru, Jenabillup, Mandelup and Tanjil, on the level of nutritional, phytochemical and bioactive composition and protein quality of refined wheat flour bread. Protein, dietary fiber, phenolic and carotenoid content, antioxidant capacity and protein digestibility corrected amino acid score (PDCAAS) were higher (p. <. 0.05), whereas available carbohydrate level was lower (p. <. 0.05) in ASL-wheat breads than the wheat-only bread, regardless of the ASL variety used. In addition, the blood-glucose lowering bioactive peptide ?-conglutin was detected in all ASL-wheat breads but not in wheat-only bread. The ASL variety used significantly (p. <. 0.05) affected the dietary fiber, fat, available carbohydrates and polyphenolic level, the antioxidant capacity and the PDCAAS of the ASL-wheat breads. These findings demonstrate the potential nutritional and health benefits of adding ASL to refined wheat bread and highlight the importance of selecting specific ASL varieties to maximise its nutritional attributes. 2014 Journal Article http://hdl.handle.net/20.500.11937/34949 10.1016/j.foodres.2014.11.046 Elsevier Ltd restricted
spellingShingle Villarino, C.
Jayasena, Vijay
Coorey, R.
Chakrabarti-Bell, S.
Foley, R.
Fanning, K.
Johnson, S.
The effects of lupin (Lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality
title The effects of lupin (Lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality
title_full The effects of lupin (Lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality
title_fullStr The effects of lupin (Lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality
title_full_unstemmed The effects of lupin (Lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality
title_short The effects of lupin (Lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality
title_sort effects of lupin (lupinus angustifolius) addition to wheat bread on its nutritional, phytochemical and bioactive composition and protein quality
url http://hdl.handle.net/20.500.11937/34949