Talking Allergies • View topic - Nut allergy-Is witch ...

Jan 29, 2009 · Witch hazel is an astringent produced from the leaves and bark of the North American Witch Hazel shrub (Hamamelis virginiana) ... Witch hazel is mainly used externally on sores, bruises and swelling. The main constituents of the extract include tannin, gallic acid, catechins, proanthocyanins, flavonoids (kaempferol, quercetin), essential oil (carvacrol, eugenol, hexenol), choline, saponins, and ……

Hazelnuts - Anaphylaxis Campaign

Allergy to hazelnuts can be one of two types. The first type is considered to be a primary food allergy.   A person with this type of allergy will have had previous contact with hazelnuts, resulting in their immune system producing antibodies to hazelnut. This is known as sensitisation.…