{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T02:54:47Z","timestamp":1772765687658,"version":"3.50.1"},"reference-count":85,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2021,9,22]],"date-time":"2021-09-22T00:00:00Z","timestamp":1632268800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004963","name":"Seventh Framework Programme","doi-asserted-by":"publisher","award":["245058"],"award-info":[{"award-number":["245058"]}],"id":[{"id":"10.13039\/501100004963","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UID\/Multi\/04551\/2020"],"award-info":[{"award-number":["UID\/Multi\/04551\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biomolecules"],"abstract":"<jats:p>In Portugal, maize has been used for centuries to produce an ethnic bread called broa, employing traditional maize varieties, which are preferred by the consumers in detriment of commercial hybrids. In order to evaluate the maize volatiles that can influence consumers\u2019 acceptance of broas, twelve broas were prepared from twelve maize varieties (eleven traditional and one commercial hybrid), following a traditional recipe. All maize flours and broas were analyzed by HS-SPME-GC-MS (headspace solid-phase microextraction) and broas were appraised by a consumer sensory panel. In addition, the major soluble phenolics and total carotenoids contents were quantitated in order to evaluate their influence as precursors or inhibitors of volatile compounds. Results showed that the major volatiles detected in maize flours and broas were aldehydes and alcohols, derived from lipid oxidation, and some ketones derived from carotenoids\u2019 oxidation. Both lipid and carotenoids\u2019 oxidation reactions appeared to be inhibited by soluble phenolics. In contrast, phenolic compounds appeared to increase browning reactions during bread making and, consequently, the production of pyranones. Traditional samples, especially those with higher contents in pyranones and lower contents in aldehydes, were preferred by the consumer sensory panel. These findings suggest that, without awareness, consumers prefer broas prepared from traditional maize flours with higher contents in health-promoting phenolic compounds, reinforcing the importance of preserving these valuable genetic resources.<\/jats:p>","DOI":"10.3390\/biom11101396","type":"journal-article","created":{"date-parts":[[2021,9,22]],"date-time":"2021-09-22T09:14:57Z","timestamp":1632302097000},"page":"1396","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Shedding Light on the Volatile Composition of Broa, a Traditional Portuguese Maize Bread"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3047-0586","authenticated-orcid":false,"given":"Andreia","family":"Bento-Silva","sequence":"first","affiliation":[{"name":"FCT NOVA, Faculdade de Ci\u00eancias e Tecnologia, Campus da Caparica, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"},{"name":"ITQB NOVA, Instituto de Tecnologia Qu\u00edmica e Biol\u00f3gica Ant\u00f3nio Xavier, Universidade Nova de Lisboa, Avenida da Rep\u00fablica, 2780-157 Oeiras, Portugal"},{"name":"DCFM, Departamento de Ci\u00eancias Farmac\u00eauticas e do Medicamento, Faculdade de Farm\u00e1cia da Universidade de Lisboa, Av. das For\u00e7as Armadas, 1649-003 Lisboa, Portugal"},{"name":"iMed.ULisboa, Instituto de Investiga\u00e7\u00e3o do Medicamento, Faculdade de Farm\u00e1cia, Universidade de Lisboa, Avenida Prof. Gama Pinto, 1649-003 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3119-8745","authenticated-orcid":false,"given":"No\u00e9lia","family":"Duarte","sequence":"additional","affiliation":[{"name":"iMed.ULisboa, Instituto de Investiga\u00e7\u00e3o do Medicamento, Faculdade de Farm\u00e1cia, Universidade de Lisboa, Avenida Prof. Gama Pinto, 1649-003 Lisboa, Portugal"}]},{"given":"Maria","family":"Belo","sequence":"additional","affiliation":[{"name":"ITQB NOVA, Instituto de Tecnologia Qu\u00edmica e Biol\u00f3gica Ant\u00f3nio Xavier, Universidade Nova de Lisboa, Avenida da Rep\u00fablica, 2780-157 Oeiras, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2340-6244","authenticated-orcid":false,"given":"Elsa","family":"Mecha","sequence":"additional","affiliation":[{"name":"ITQB NOVA, Instituto de Tecnologia Qu\u00edmica e Biol\u00f3gica Ant\u00f3nio Xavier, Universidade Nova de Lisboa, Avenida da Rep\u00fablica, 2780-157 Oeiras, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5941-8749","authenticated-orcid":false,"given":"Bruna","family":"Carbas","sequence":"additional","affiliation":[{"name":"INIAV, Instituto Nacional de Investiga\u00e7\u00e3o Agr\u00e1ria e Veterin\u00e1ria, Avenida da Rep\u00fablica, Quinta do Marqu\u00eas, 2780-157 Oeiras, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1949-172X","authenticated-orcid":false,"given":"Carla","family":"Brites","sequence":"additional","affiliation":[{"name":"INIAV, Instituto Nacional de Investiga\u00e7\u00e3o Agr\u00e1ria e Veterin\u00e1ria, Avenida da Rep\u00fablica, Quinta do Marqu\u00eas, 2780-157 Oeiras, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8469-7508","authenticated-orcid":false,"given":"Maria Carlota","family":"Vaz Patto","sequence":"additional","affiliation":[{"name":"ITQB NOVA, Instituto de Tecnologia Qu\u00edmica e Biol\u00f3gica Ant\u00f3nio Xavier, Universidade Nova de Lisboa, Avenida da Rep\u00fablica, 2780-157 Oeiras, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5016-4634","authenticated-orcid":false,"given":"Maria Ros\u00e1rio","family":"Bronze","sequence":"additional","affiliation":[{"name":"ITQB NOVA, Instituto de Tecnologia Qu\u00edmica e Biol\u00f3gica Ant\u00f3nio Xavier, Universidade Nova de Lisboa, Avenida da Rep\u00fablica, 2780-157 Oeiras, Portugal"},{"name":"iMed.ULisboa, Instituto de Investiga\u00e7\u00e3o do Medicamento, Faculdade de Farm\u00e1cia, Universidade de Lisboa, Avenida Prof. Gama Pinto, 1649-003 Lisboa, Portugal"},{"name":"iBET, Instituto de Biologia Experimental e Tecnol\u00f3gica, Avenida da Rep\u00fablica, Quinta do Marqu\u00eas, Esta\u00e7\u00e3o Agron\u00f3mica Nacional, Apartado 12, 2780-157 Oeiras, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2021,9,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1555","DOI":"10.1007\/s10722-006-9168-3","article-title":"Collecting Maize (Zea Mays L. 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