Journal
FOOD CHEMISTRY-X
Volume 13, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.fochx.2022.100228
Keywords
Hot peppers; Supercritical fluid extraction; Pressurized liquid extraction; Capsaicinoids; Carotenoids
Categories
Funding
- Sao Paulo Research Foundation - FAPESP [2015/18119-0, 2017/16903-0, 2018/02132-5, 2019/10432-1, 2020/15000774-5]
- Coordenacao de Aperfei-coamento de Pessoal de Nivel Superior-Brasil (CAPES) [001]
- CNPq [306461/2017-0, 151005/2019-2]
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Peppers of the Capsicum genus are widely consumed and have a rich nutritional composition. Supercritical fluid technologies, such as supercritical fluid extraction and supercritical fluid-assisted ultrasound, are being used for pepper processing due to their advantages of using less solvents, short extraction times, specificity, and scalability.
Peppers of the Capsicum genus have a rich nutritional composition and are widely consumed worldwide. Thus, they find numerous applications in the food, pharmaceutical and cosmetic industries. One commercial application is oleoresin production, a nonpolar fraction rich in bioactive compounds, including capsaicinoids and carotenoids. Among the technologies for pepper processing, special attention is given to supercritical fluid technologies, such as supercritical fluid extraction (SFE) with pure solvents and CO2 plus modifiers, and SFE assisted by ultrasound. Supercritical fluid-based processes present advantages over the classical extraction techniques like using less solvents, short extraction times, specificity and scalability. In this review, we present a brief overview of the nutritional aspects of peppers, followed by studies that apply supercritical fluid technologies to produce extracts and concentrate bioactives, besides oleoresin encapsulation. Furthermore, we present related phase equilibrium, cost estimation, and the gaps and needs for the full use of peppers from a sustainable perspective.
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