{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T23:33:56Z","timestamp":1780097636283,"version":"3.54.0"},"reference-count":59,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2020,6,19]],"date-time":"2020-06-19T00:00:00Z","timestamp":1592524800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100009873","name":"Regione Autonoma della Sardegna","doi-asserted-by":"publisher","award":["ASSE PRIORITARIO I \u201cRICERCA SCIENTIFICA, SVILUPPO TECNOLOGICO E INNOVAZIONE\u201d Azione 1.1.4 Sostegno alle attivit\u00e0 collaborative di R&S per lo sviluppo di nuove tecnologie sostenibili, di nuovi prodotti e servizi, project \u201cINNOQUINOA\u201d"],"award-info":[{"award-number":["ASSE PRIORITARIO I \u201cRICERCA SCIENTIFICA, SVILUPPO TECNOLOGICO E INNOVAZIONE\u201d Azione 1.1.4 Sostegno alle attivit\u00e0 collaborative di R&S per lo sviluppo di nuove tecnologie sostenibili, di nuovi prodotti e servizi, project \u201cINNOQUINOA\u201d"]}],"id":[{"id":"10.13039\/501100009873","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Foods"],"abstract":"<jats:p>The present study investigates the effect of partial or total substitution of rice flour (RF) with quinoa flour (QF) (at 25%, 50%, 75% and 100%) on the chemical-physical, nutritional, and sensory characteristics, as well as the volatile compounds, of ladyfinger biscuits. All quinoa-based formulations positively affected the crust colour, endowing it with lower \u2018lightness\u2019 and higher \u2018redness\u2019 values, giving the biscuits a more appealing crust colour. Biscuits with higher percentages of QF also had better structure, as they were softer. The substitution of RF with QF significantly improved the nutritional profile of the biscuits, as a result of the increase in protein, lipid, ash, total soluble (SP) and insoluble polyphenol (IP), flavonoid, and antioxidant activity levels, which increased linearly with the substitution rate. Quinoa supplementation led to an increase in volatile compounds that were nearly always characterised by positive olfactory attributes. Sensory analysis revealed that the maximal substitution rate of QF able to maintain an adequate consumer acceptability rating is probably 50%, as higher percentages impaired acceptability due to the presence of herbaceous and bitter tastes, even if the consumers also rated these samples as healthier and softer to touch.<\/jats:p>","DOI":"10.3390\/foods9060808","type":"journal-article","created":{"date-parts":[[2020,6,19]],"date-time":"2020-06-19T10:43:58Z","timestamp":1592563438000},"page":"808","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":51,"title":["Effect of Substitution of Rice Flour with Quinoa Flour on the Chemical-Physical, Nutritional, Volatile and Sensory Parameters of Gluten-Free Ladyfinger Biscuits"],"prefix":"10.3390","volume":"9","author":[{"given":"Michela","family":"Cannas","sequence":"first","affiliation":[{"name":"Dipartimento di Agraria, Universit\u00e0 degli Studi di Sassari, Viale Italia 39\/A, 07100 Sassari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simone","family":"Pulina","sequence":"additional","affiliation":[{"name":"Dipartimento di Agraria, Universit\u00e0 degli Studi di Sassari, Viale Italia 39\/A, 07100 Sassari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paola","family":"Conte","sequence":"additional","affiliation":[{"name":"Dipartimento di Agraria, Universit\u00e0 degli Studi di Sassari, Viale Italia 39\/A, 07100 Sassari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandra","family":"Del Caro","sequence":"additional","affiliation":[{"name":"Dipartimento di Agraria, Universit\u00e0 degli Studi di Sassari, Viale Italia 39\/A, 07100 Sassari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9800-7478","authenticated-orcid":false,"given":"Pietro Paolo","family":"Urgeghe","sequence":"additional","affiliation":[{"name":"Dipartimento di Agraria, Universit\u00e0 degli Studi di Sassari, Viale Italia 39\/A, 07100 Sassari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0309-5936","authenticated-orcid":false,"given":"Antonio","family":"Piga","sequence":"additional","affiliation":[{"name":"Dipartimento di Agraria, Universit\u00e0 degli Studi di Sassari, Viale Italia 39\/A, 07100 Sassari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6666-9079","authenticated-orcid":false,"given":"Costantino","family":"Fadda","sequence":"additional","affiliation":[{"name":"Dipartimento di Agraria, Universit\u00e0 degli Studi di Sassari, Viale Italia 39\/A, 07100 Sassari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,6,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2380","DOI":"10.1002\/jsfa.7101","article-title":"Nutritional aspects of gluten-free products","volume":"95","author":"Pellegrini","year":"2015","journal-title":"J. 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