期刊
INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES
卷 47, 期 -, 页码 38-45出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ifset.2018.01.012
关键词
Glucose; Gallic acid; Epicatechin; Antioxidant activity; Polyphenols
资金
- BiValBi (Biotechnologies to Valorize the regional food Biodiversity in Latin America) [PIRSES-GA-2013-611493]
- Portuguese Foundation for Science and Technology (FCT) [UID/BIO/04469/2013]
- COMPETE 2020 [POCI-01-0145-FEDER-006684]
- European Regional Development Fund under the scope of Norte2020 - Programa Operacional Regional do Norte [NORTE-01-0145-FEDER-000004]
Autohydrolysis process, an alternative technology that uses only water as extraction solvent, was evaluated for the extraction of glycosides and polyphenols from pineapple waste. A Box-Behnken design was carried out using different temperatures (150-200 degrees C), solid-liquid ratio (1:40-1:10 w/v) and reaction time (15-45 min). The best condition for the production of glucose (27.6 g/L) and fructose (33.8 g/L) was 150 degrees C, 30 min and 1:10 w/v while the highest amount of extracted total polyphenols (1.75 g/L) was obtained at 200 degrees C, 30 min and 1:10 w/v solidliquid ratio. In all treatments were detected gallic acid, hydroxybenzoic acid, chlorogenic acid, epicatechin, coumaric acid and caffeic acid. These results indicate autohydrolysis as a valuable alternative for the sustainable extraction of high value-added molecules for further use in industrial, food, cosmetic and health applications.
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