Identification of key odorant compounds in starch-based polymers intended for food contact materials
Resumen: Biopolymers used for food contact materials must be evaluated in order to ensure food safety and quality. In this work, the aroma profile of starch-based packaging materials, presented as pellets and films has been characterized. Headspace solid phase microextraction (HS-SPME) technique and gas chromatography coupled to both mass spectrometry and a sniffing port (GC-MS-O) were used for identification. In total, 35 odorant compounds were detected. The results showed that aldehydes were the odorants with the highest aromatic impact in starch-based films. Eight odorant compounds, such as trimethylamine, 1-octen-3-one, sotolon, (Z) and (E)-2-nonenal, p-vinylguaiacol, eugenol and 1-undecanol, defined as aroma-impact compounds, obtained modified frequency values (MF%) above 60% in at least 3 out of 4 films. A sensory panel evaluated the toasted, sweet/fruity, green, flower, distasteful, fat and spices notes in the films and it was observed that the quality of all samples decreased when the toasted and spices notes increased.
Idioma: Inglés
DOI: 10.1016/j.foodchem.2019.01.157
Año: 2019
Publicado en: Food Chemistry 285 (2019), 39-45
ISSN: 0308-8146

Factor impacto JCR: 6.306 (2019)
Categ. JCR: CHEMISTRY, APPLIED rank: 5 / 70 = 0.071 (2019) - Q1 - T1
Categ. JCR: NUTRITION & DIETETICS rank: 10 / 89 = 0.112 (2019) - Q1 - T1
Categ. JCR: FOOD SCIENCE & TECHNOLOGY rank: 6 / 138 = 0.043 (2019) - Q1 - T1

Factor impacto SCIMAGO: 1.775 - Analytical Chemistry (Q1) - Medicine (miscellaneous) (Q1) - Food Science (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA/T10
Financiación: info:eu-repo/grantAgreement/EUR/INTERREG-POCTEFA/FOODYPLAST-EFA099-15
Financiación: info:eu-repo/grantAgreement/ES/MINECO/AGL2015-67362-P
Tipo y forma: Artículo (PostPrint)
Área (Departamento): Área Química Analítica (Dpto. Química Analítica)

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