Usefulness of open mixed nut challenges to exclude tree nut allergy in children

Table 1 Challenge protocol of mixed nut challenges

			Mixture A^a	Mixture B^b
Portion	Time (min)	Mixture dose (g)	Tree nuts dose (g)	Tree nuts dose (g)
1	0	1	0,2	0,1
2	15	4	0,7	0,5
3	30	11	2,2	1,5
4	60	33	6,7	4,4
5	90	100	20,1	13,3
6	150	Open challenge with whole nuts (2 almonds, 2 half walnuts,2 half pecans, 1 Brazil nut, 2 cashew nuts, 2 pistachios)	ca. 21	ca. 17
		Total	51	37

* Only in mixture A
^aMixture A: 5 g of each nut (almond, walnut, cashew, pistachio, pecan, Brazil nut) and 120 g apple sauce.
^bMixture B: 5 g of each nut (almond, walnut, pecan, Brazil nut) and 130 g apple sauce.

ISSN: 2045-7022