期刊
FOOD & FUNCTION
卷 9, 期 11, 页码 5621-5628出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8fo01474d
关键词
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资金
- Foundation for Science and Technology (FCT, Portugal)
- FEDER under Programme PT2020 [UID/AGR/00690/2013]
- FEDER-Interreg Espana-Portugal programme [0377_Iberphenol_6_E]
Leaf fractions of Garcinia brasiliensis were evaluated concerning their antioxidant, antimicrobial, anti-inflammatory and cytotoxic properties, and the most active fraction was then fully characterized regarding its phenolic composition using HPLC-DAD-ESI/MSn. The ethyl acetate fraction from partitioning of the methanolic leaf extract revealed a strong antioxidant activity that was comparable to Trolox, the positive control. This fraction was also able to show a significant antimicrobial activity against Gram-positive and Gram-negative bacteria and the fungus Candida albicans. However, the dichloromethane fraction was found to present the highest anti-inflammatory (83 +/- 9 g mL(-1)) and cytotoxic activities, thus presenting slight toxicity using a non-tumor cell line. Regarding the phenolic profile, the ethyl acetate fraction presented twelve flavonoids, with morelloflavone-7-O-glucoside (52.1 +/- 0.4 mg g(-1)) and gardinia biflavonoid 2a glucoside (27.5 +/- 0.2 mg g(-1)) being the major compounds identified. These results indicate that leaves of G. brasiliensis might be a potential source of natural biomolecules for pharmaceutical and medicinal applications.
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