ArticleScientific reports2026
Partial characterization and evaluation of antioxidant and antibacterial activities of a water soluble polysaccharide isolated from Euphorbia hebecarpa roots.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Euphorbia hebecarpa has been valued in traditional Iranian medicine; however, its carbohydrate composition has remained largely unexplored. The present study aimed to isolate, identify, and investigate selected biological properties of a carbohydrate fraction (EHC-1) from E. hebecarpa. EHC-1 was extracted using hot water extraction, followed by a two-step chromatographic procedure utilizing DEAE-52 cellulose and Sephadex G-200 columns. Partial structural characterization was performed using gas chromatography-mass spectrometry (GC-MS), high-performance liquid chromatography- refractive index (HPLC-RID), Fourier transform infrared spectroscopy (FT-IR), and gas chromatography-flame ionization detection (GC-FID). In addition, X-ray diffraction (XRD) confirmed the semi-crystalline nature of the polysaccharide, and thermogravimetric analysis (TGA) was employed to evaluate its thermal stability. Compositional analyses identified EHC-1 as a polysaccharide with an average molecular weight of approximately 148 kDa. The relative monosaccharide composition comprised glucose (51.50%), fructose (35.70%), galactose (5.79%), arabinose (5.86%), and galacturonic acid (1.13%), as determined by the corrected peak area method incorporating relative response factors (RRFs). In vitro assays revealed that EHC-1 demonstrated concentration-dependent antioxidant activity in DPPH, ABTS, and hydroxyl radical scavenging assays, with relatively higher efficacy against hydroxyl radicals (IC
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