Basil is a plant known worldwide for its culinary and health attributes. It counts more than a hundred and fifty species and many more chemo-types due to its easy cross-breeds. Each species and each chemo-type have a typical aroma pattern and selecting the proper one is crucial for the food industry. Twelve basil varieties have been studied over three years (2018–2020), as have four different cuts. To characterize the aroma profile, nine typical basil flavour molecules have been selected using a gas chromatography–mass spectrometry coupled with an olfactometer (GC–MS/O). The concentrations of the nine selected molecules were measured by an ultra-fast CG e-nose and Principal Component Analysis (PCA) was applied to detect possible differences among the samples. The PCA results highlighted differences between harvesting years, mainly for 2018, whereas no observable clusters were found concerning varieties and cuts, probably due to the combined effects of the investigated factors. For this reason, the ANOVA Simultaneous Component Analysis (ASCA) methodology was applied on a balanced a posteriori designed dataset. All the considered factors and interactions were statistically significant (p < 0.05) in explaining differences between the basil aroma profiles, with more relevant effects of variety and year.

Characterization of Basil Volatile Fraction and Study of its Agronomic Variation by ASCA / D'Alessandro, Alessandro; Ballestrieri, Daniele; Strani, Lorenzo; Cocchi, Marina; Durante, Caterina. - In: MOLECULES. - ISSN 1420-3049. - 26:13(2021), pp. 3842-3856. [10.3390/molecules26133842]

Characterization of Basil Volatile Fraction and Study of its Agronomic Variation by ASCA

D'ALESSANDRO, ALESSANDRO;Strani, Lorenzo;Cocchi, Marina
;
Durante, Caterina
2021

Abstract

Basil is a plant known worldwide for its culinary and health attributes. It counts more than a hundred and fifty species and many more chemo-types due to its easy cross-breeds. Each species and each chemo-type have a typical aroma pattern and selecting the proper one is crucial for the food industry. Twelve basil varieties have been studied over three years (2018–2020), as have four different cuts. To characterize the aroma profile, nine typical basil flavour molecules have been selected using a gas chromatography–mass spectrometry coupled with an olfactometer (GC–MS/O). The concentrations of the nine selected molecules were measured by an ultra-fast CG e-nose and Principal Component Analysis (PCA) was applied to detect possible differences among the samples. The PCA results highlighted differences between harvesting years, mainly for 2018, whereas no observable clusters were found concerning varieties and cuts, probably due to the combined effects of the investigated factors. For this reason, the ANOVA Simultaneous Component Analysis (ASCA) methodology was applied on a balanced a posteriori designed dataset. All the considered factors and interactions were statistically significant (p < 0.05) in explaining differences between the basil aroma profiles, with more relevant effects of variety and year.
2021
24-giu-2021
26
13
3842
3856
Characterization of Basil Volatile Fraction and Study of its Agronomic Variation by ASCA / D'Alessandro, Alessandro; Ballestrieri, Daniele; Strani, Lorenzo; Cocchi, Marina; Durante, Caterina. - In: MOLECULES. - ISSN 1420-3049. - 26:13(2021), pp. 3842-3856. [10.3390/molecules26133842]
D'Alessandro, Alessandro; Ballestrieri, Daniele; Strani, Lorenzo; Cocchi, Marina; Durante, Caterina
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1247002
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