birch buds lie in a wooden spoon on a white background

antibacterial antiflu antihelminthic antimicrobial antipyretic antispasmodic aromatherapy backgrounds benefits birch bud buds collection contraindications diaphoretic diuretic dried dry earrings expectorant flavonoids folk fresh growth hair harm healer herbal herbalist homeopathy leaf medicinal medicine nature plant properties slimming smell spoon tea tincture treatment vitamin wooden