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  • Title: Multidirectional insights on polysaccharides from Schinus terebinthifolius and Schinus molle fruits: Physicochemical and functional profiles, in vitro antioxidant, anti-genotoxicity, antidiabetic, and antihemolytic capacities, and in vivo anti-inflammatory and anti-nociceptive properties.
    Author: Feriani A, Tir M, Hamed M, Sila A, Nahdi S, Alwasel S, Harrath AH, Tlili N.
    Journal: Int J Biol Macromol; 2020 Dec 15; 165(Pt B):2576-2587. PubMed ID: 33096174.
    Abstract:
    The aim of the current study was to compare crude polysaccharides extracted from Schinus terebinthifolius Raddi (PSTF) and S. molle L. (PSMF) fruits based on their structures, physicochemical characteristics, monosaccharide composition, as well as in vitro and in vivo assays. The extraction yield of PSTF (4.26%) was higher than that of PSMF (3.56%). Remarkable variability was detected in the content of carbohydrates (80.64 ± 0.98%), protein (1.80 ± 0.28%), fat (0.04 ± 0.005%) and ash (6.32 ± 0.26%). FT-IR assay and 1H and 13C NMR spectroscopy revealed that fruits extract showed similar structural characteristics. Thin layer chromatography together with HPLC-RID analysis showed that the monosaccharide composition varied significantly between species. Both contained arabinose (40.55-42.03%) galacturonic acid (31.21-41.15%), and fucose (10.90-17.63%), but PSTF had glucose (9.13%) whereas PSMF had galactose (7.40%). Functional analyses demonstrated that samples exhibited favorable water- and oil-retention capacity, emulsifying properties, and foaming qualities. PSTF exhibited the highest antioxidant effects. Both of them showed a remarkable in vitro antidiabetic effect. PSMF highly mitigated H2O2-induced hemolysis and exhibited ~80% antihemolytic activity. The extracted polysaccharides showed potent inhibitory activity against AAPH-induced plasmid DNA damage. PSTF and PSMF revealed interesting in vivo antinociceptive and anti-inflammatory capacities.
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