Flavour formation in the coffee substitute ‘lupin coffee’ related to the formation of acrylamide

A coffee substitute derived from sweet lupins (Lupinus angustifolius L.) was investigated for the first time with regard to the impact of the roasting process on flavour formation, acrylamide generation, and amino acid behaviour. Roasting was carried out batchwise at temperatures between 98 °C to 22...

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Main Authors: Sabrina Stranig, Zuzana Ciesarová, Kristína Kukurová, Jana Horváthová, Barbara Siegmund
Format: Article
Language:English
Published: Elsevier 2025-08-01
Series:Food Chemistry: X
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2590157525007667
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author Sabrina Stranig
Zuzana Ciesarová
Kristína Kukurová
Jana Horváthová
Barbara Siegmund
author_facet Sabrina Stranig
Zuzana Ciesarová
Kristína Kukurová
Jana Horváthová
Barbara Siegmund
author_sort Sabrina Stranig
collection DOAJ
description A coffee substitute derived from sweet lupins (Lupinus angustifolius L.) was investigated for the first time with regard to the impact of the roasting process on flavour formation, acrylamide generation, and amino acid behaviour. Roasting was carried out batchwise at temperatures between 98 °C to 220 °C. 55 volatile compounds were semi-quantified using headspace SPME GC–MS. Maillard reaction products, particularly substituted pyrazines and furans, constituted the majority of the volatiles formed. The flavour of “lupin coffee” was described as strongly roasted and reminiscent of coffee, though less complex than traditional coffee. Flavour development became evident at temperatures of 195 °C and above. The highest acrylamide concentration detected was 111 μg/kg at 220 °C which is considerably below the EU benchmark levels established for coffee substitutes. This work provides a solid foundation for future investigations aimed at minimising process contaminants while preserving the desired flavour.
format Article
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institution Kabale University
issn 2590-1575
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publishDate 2025-08-01
publisher Elsevier
record_format Article
series Food Chemistry: X
spelling doaj-art-6cafc18e08db4f1b9844d15a2e4dc4032025-08-24T05:14:27ZengElsevierFood Chemistry: X2590-15752025-08-013010291910.1016/j.fochx.2025.102919Flavour formation in the coffee substitute ‘lupin coffee’ related to the formation of acrylamideSabrina Stranig0Zuzana Ciesarová1Kristína Kukurová2Jana Horváthová3Barbara Siegmund4Graz University of Technology, Institute of Analytical Chemistry and Food Chemistry, Stremayrgasse 9/II A 8010 Graz, AustriaNational Agricultural and Food Centre, Food Research Institute, Priemyselná 4, 824 75 Bratislava, Slovak RepublicNational Agricultural and Food Centre, Food Research Institute, Priemyselná 4, 824 75 Bratislava, Slovak RepublicNational Agricultural and Food Centre, Food Research Institute, Priemyselná 4, 824 75 Bratislava, Slovak RepublicGraz University of Technology, Institute of Analytical Chemistry and Food Chemistry, Stremayrgasse 9/II A 8010 Graz, Austria; Corresponding author.A coffee substitute derived from sweet lupins (Lupinus angustifolius L.) was investigated for the first time with regard to the impact of the roasting process on flavour formation, acrylamide generation, and amino acid behaviour. Roasting was carried out batchwise at temperatures between 98 °C to 220 °C. 55 volatile compounds were semi-quantified using headspace SPME GC–MS. Maillard reaction products, particularly substituted pyrazines and furans, constituted the majority of the volatiles formed. The flavour of “lupin coffee” was described as strongly roasted and reminiscent of coffee, though less complex than traditional coffee. Flavour development became evident at temperatures of 195 °C and above. The highest acrylamide concentration detected was 111 μg/kg at 220 °C which is considerably below the EU benchmark levels established for coffee substitutes. This work provides a solid foundation for future investigations aimed at minimising process contaminants while preserving the desired flavour.http://www.sciencedirect.com/science/article/pii/S2590157525007667Coffee substituteLupin seeds (Lupinus angustifolius L.)RoastingFlavour formationAmino acidsAcrylamide
spellingShingle Sabrina Stranig
Zuzana Ciesarová
Kristína Kukurová
Jana Horváthová
Barbara Siegmund
Flavour formation in the coffee substitute ‘lupin coffee’ related to the formation of acrylamide
Food Chemistry: X
Coffee substitute
Lupin seeds (Lupinus angustifolius L.)
Roasting
Flavour formation
Amino acids
Acrylamide
title Flavour formation in the coffee substitute ‘lupin coffee’ related to the formation of acrylamide
title_full Flavour formation in the coffee substitute ‘lupin coffee’ related to the formation of acrylamide
title_fullStr Flavour formation in the coffee substitute ‘lupin coffee’ related to the formation of acrylamide
title_full_unstemmed Flavour formation in the coffee substitute ‘lupin coffee’ related to the formation of acrylamide
title_short Flavour formation in the coffee substitute ‘lupin coffee’ related to the formation of acrylamide
title_sort flavour formation in the coffee substitute lupin coffee related to the formation of acrylamide
topic Coffee substitute
Lupin seeds (Lupinus angustifolius L.)
Roasting
Flavour formation
Amino acids
Acrylamide
url http://www.sciencedirect.com/science/article/pii/S2590157525007667
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AT kristinakukurova flavourformationinthecoffeesubstitutelupincoffeerelatedtotheformationofacrylamide
AT janahorvathova flavourformationinthecoffeesubstitutelupincoffeerelatedtotheformationofacrylamide
AT barbarasiegmund flavourformationinthecoffeesubstitutelupincoffeerelatedtotheformationofacrylamide