Bidens parviflora

Spanish needles have also been found to have anti-allergy action at the level of mast cells and other allergy mediators.4 Spanish needles contains quercetin and ethyl caffeate, both of which have previously been shown to possess in vitro anti-inflammatory or anti-allergic mediator action.23,24 Quercetin5 has also been shown to stabilize mast cells and basophils, decrease leukotriene formation, and reduce release of histamine and other mediators.24,25 Anti-inflammatory effects have been demonstrated in rats after receiving aqueous extracts of Spanish needles leaves and stems.26,27 A related species, Bidens parviflora, has been reported to inhibit histamine release from rat mast cells in vitro.6 Spanish needles have been shown to inhibit the inflammatory mediator nuclear transcription factor kappaB (NF-kappaB) and its downstream inflammatory mediators in vitro.23... 

Wang, N., Yao, X., Ishii, R., and Kitanaka, S. Antiallergic agents from natural sources. 3. Structures and inhibitory effects on nitric oxide production and histamine release of five novel polyacetylene glucosides from Bidens parviflora Willd. Chem Pharm Bull (Tokyo), 49(8), 938-942, 2001. 

Bidens bipinnata L. B. parviflora Willd. Kuei Chen Gao (Blackjack) (whole plant) Flavonoids, essential oils.48 Treat bug bites, diarrhea, snakebite. 

A. officinalis, Aspidium falcatum, A. gmelini, Atractylis chinensis, A. lancea, A. lyrata, A. ovata, Atractylodes lancea, Bidens bipinnata, B. parviflora, Biota chinensis, B. orientalis, Bletilla hyacinthina,... 

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