Daraus:
nasal lavage with Glycyrrhizae Radix et Rhizoma (licorice) significantly improved SNOT-22 scores (from 27.9 ± 15.5 to 13.2 ± 9.6, p < 0.001) and reduced nasal airway resistance (p < 0.001), with effects superior to those of corticosteroid or saline lavage.
„active constituents derived from single herbs, including quercetin and baicalein, have been demonstrated to exert anti-allergic effects“ ausserdem „classic Yupingfeng San (Jade Wind Screen Powder)“