期刊
JOURNAL OF SUPERCRITICAL FLUIDS
卷 179, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.supflu.2021.105390
关键词
Supercritical fluid extraction; Pressurized liquid extraction; Antioxidant; Acetylcholinesterase; Anti-inflammatory
资金
- CNPq (National Council of Technological and Scientific Development, Brazil) [404347/2016-9]
- CAPES (Coordination for the Improvement of Higher-Level Personnel, Brazil) [CAPES/PROEX-1624/2018, CAPES/PRINT88887.310560/2018-00]
- MINECO (Ministery of Economy and Competitiveness, Spain) [AGL2017-89417-R]
- MINECO
In this study, antioxidant-rich extracts were obtained from Ora-pro-nobis leaves using compressed fluid technologies, showing high antioxidant potential and other biological activities. Compounds identified in the extracts from Ora-pro-nobis leaves belong to terpenoids and phenolic compounds, showcasing the potential of using compressed fluid technologies for extracting these promising compounds.
Ora-pro-nobis (Pereskia aculeata), an emerging unconventional food plant belonging to the Cactaceae family, is known as a source of protein with high nutritional value, traditionally used in folk medicine. In this study, different compressed fluid technologies were used to obtain antioxidant rich extracts from P. aculeata leaves. The recovered extracts from ora-pro-nobis leaves showed, in general, high antioxidant potential in DPPH and FRAP in vitro assays. Complementary, supercritical fluid extracts presented acetylcholinesterase inhibition and antiinflammatory activity. Overall, 11 compounds were identified from the non-polar extracts belonging to terpenoids and phenolic compounds. Metabolites like 2,4-Ditert-butylphenol, beta-sitosterol, campesterol, phytol, Vitamin E were already identified in other Pereskia sp. extracts, but compounds like fucosterol and lupeol were also tentatively identified in the present study. Terpenes and phenolic compounds are known for its biological activities, which shows the potentiality of the P. aculeata leaves extracts recovery by compressed fluids technologies.
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