4.7 Article

Sambucus ebulus (Elderberry) Fruits Modulate Inflammation and Complement System Activity in Humans

Journal

Publisher

MDPI
DOI: 10.3390/ijms24108714

Keywords

herbs; Sambucus; anthocyanins; immunomodulatory; inflammation; complement; intervention

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This study evaluated the immunomodulatory potential of Sambucus ebulus fruit infusion in healthy humans. The results showed that the infusion decreased the levels of pro-inflammatory markers and complement activity, indicating its immune-modulatory activity in healthy individuals.
Sambucus ebulus (SE) fruits are used for immune stimulation and amelioration of gastrointestinal inflammatory conditions. Currently, there is no scientific evidence of their effects on various aspects of the immune response mechanisms in humans. The purpose of this study was to evaluate the immunomodulatory potential of SE fruit infusion intake in healthy humans. Anthocyanin content was determined with UPLC-ESI-MS/MS. Fifty-three volunteers enrolled in a 4-week SE infusion intake intervention. Blood count, serum total protein, Interleukin 1 beta (IL-1 beta), Interleukin 6 (IL-6), Tumor Necrosis Factor Alpha (TNF alpha), High-sensitivity C-reactive protein (hs-CRP), C3, and C4 levels were measured on automatic analyzers, and Interleukin 8 (IL-8) was measured manually with an ELISA kit. Cyanidin-3-O-galactoside (48.15 mg/g DW), followed by cyaniding-3-sambubioside (43.41 +/- 1.07 mg/g DW), were the most abundant anthocyanins in SE samples. A significant decrease in total protein (2.82%), IL-6 (20.15%), TNF alpha (5.38%), IL-8 (5.50%), C3 (4.16%), and C4 (14.29%) was established in the whole group. Total protein, IL-8, TNF alpha, and C4 decreased in women (3.11%, 4.76%, 5.09%, and 11.11%), and IL-6 decreased (40.61%) in men. Hb (1.20%) and hematocrit (1.55%) levels decreased in the whole group and in the women group (1.61% and 2.20%). SE fruits exert immune-modulatory activity as revealed by decreased pro-inflammatory status and complement activity markers in healthy volunteers after a 4-week intervention.

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