4.7 Article

Supercritical fluid extraction of oleoresin from Capsicum annuum industrial waste

期刊

JOURNAL OF CLEANER PRODUCTION
卷 297, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2021.126593

关键词

Industrial waste; Bioactive compounds; Supercritical CO2; Extraction kinetics; Jalapeno pepper

资金

  1. CAPES
  2. CNPq
  3. FAPEMIG
  4. FEQUI UFU

向作者/读者索取更多资源

This study aimed to explore the potential of supercritical fluid extraction (SFE) to obtain oleoresin from Capsicum annuum pepper (Jalapeno) industrial waste. The results showed that temperature variation and the addition of cosolvent significantly increased the extracted mass of oleoresin, while pressure did not have a significant effect. The extracted compounds contained bioactive components but showed no significant antioxidant activity. Economic assessment indicated that SFE of oleoresin from the studied industrial waste can be profitable.
This work aimed to explore the potential of supercritical fluid extraction (SFE) to obtain oleoresin from Capsicum annuum pepper (Jalapeno) industrial waste. SFE was carried out with CO2 at different conditions, exploring temperatures of 40 and 60 degrees C, pressures of 200 and 250 bar and the absence and presence of cosolvent (ethanol). Soxhlet extractions were performed using ethanol, acetone, and n-hexane for comparison purposes. The temperature variation and the addition of cosolvent (ethanol) were significant in increasing the total extracted mass of oleoresin, although the pressure did not have a significant effect. The total mass yields obtained by SFE varied between 9.38 and 10.08%, while for Soxhlet, the yields ranged between 8.45 and 15.5% (w/w). The extracts presented bioactive compounds such as phenolics, flavonoids, fatty acids, and carotenoids but did not show significant antioxidant activity. The kinetic behavior of SFE with CO2 was analyzed using the overall extraction curves and by fitting two kinetics models (logistic and spline) to the data. The models presented a good fit and allowed the calculation of important parameters. A brief economic assessment showed that SFE of oleoresin from the studied industrial waste can be considered profitable. (C) 2021 Elsevier Ltd. All rights reserved.

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