TY - JOUR
T1 - Effect of processing and accelerated storage on the volatile composition and sensory profile of a tomato soup
AU - Strohla, Lena C.
AU - Hidangmayum, Krishnachandra S.
AU - Waehrens, Sandra S.
AU - Orlien, Vibeke
AU - Petersen, Mikael A.
PY - 2022
Y1 - 2022
N2 - The volatile and sensory profile of pasteurized (95 degrees C, 18 min) and sterilized (120 degrees C, 14 min) tomato soup and its changes at accelerated storage conditions (37 degrees C and 42 degrees C) were identified, characterized, and correlated by predictive models. Sterilization led to more profound changes over storage compared to pasteurisation, showing enhanced levels of 'dark' odour, 'burnt' flavour, and 'complexity', while pasteurized soup had more pronounced 'green' odour, 'vegetables' flavour, 'harmony', and 'freshness'. Over time, 'dark' and 'burnt' significantly increased for sterilized soups, whereas 'green' decreased significantly only for sterilized soup stored at 42 degrees C. The changes of 'dark', 'green', 'off-flavour', 'burnt', 'harmony', and 'freshness' were associated with formation of furans (furfural and 2-acetyl-5-methylfuran), and decline of unsaturated aldehydes like E-2-octenal and E,E-2,4-heptadienal. These compounds were identified to represent potential shelf-life markers, yet more studies on their odour activity in the tomato soup matrix are necessary to understand their contribution to the sensory quality. The construction of partial least squares models allowed the prediction of 'green', 'off-flavour', 'burnt', and 'freshness' based on selected volatiles. These models will be important tools in the process of predicting the end of shelf life, but need to be supplemented with consumer acceptability levels.
AB - The volatile and sensory profile of pasteurized (95 degrees C, 18 min) and sterilized (120 degrees C, 14 min) tomato soup and its changes at accelerated storage conditions (37 degrees C and 42 degrees C) were identified, characterized, and correlated by predictive models. Sterilization led to more profound changes over storage compared to pasteurisation, showing enhanced levels of 'dark' odour, 'burnt' flavour, and 'complexity', while pasteurized soup had more pronounced 'green' odour, 'vegetables' flavour, 'harmony', and 'freshness'. Over time, 'dark' and 'burnt' significantly increased for sterilized soups, whereas 'green' decreased significantly only for sterilized soup stored at 42 degrees C. The changes of 'dark', 'green', 'off-flavour', 'burnt', 'harmony', and 'freshness' were associated with formation of furans (furfural and 2-acetyl-5-methylfuran), and decline of unsaturated aldehydes like E-2-octenal and E,E-2,4-heptadienal. These compounds were identified to represent potential shelf-life markers, yet more studies on their odour activity in the tomato soup matrix are necessary to understand their contribution to the sensory quality. The construction of partial least squares models allowed the prediction of 'green', 'off-flavour', 'burnt', and 'freshness' based on selected volatiles. These models will be important tools in the process of predicting the end of shelf life, but need to be supplemented with consumer acceptability levels.
KW - Volatile composition
KW - sensory profile
KW - accelerated storage
KW - tomato soup
KW - shelf life
KW - prediction
KW - partial least dquares regression
KW - FLAVOR COMPOUNDS
KW - CHERRY TOMATO
KW - QUALITY
KW - PRODUCTS
KW - FURAN
U2 - 10.1093/fqsafe/fyac024
DO - 10.1093/fqsafe/fyac024
M3 - Journal article
VL - 6
JO - Food Quality and Safety
JF - Food Quality and Safety
SN - 2399-1399
M1 - 024
ER -