Table 1.

Clinical characteristics of patients with Japanese apricot allergy

		Questionnaire answers: symptoms after JA ingestion
No. of case	Age/sex	Causative food and trigger	Cofactor	Symptoms	Food allergy	Other allergic histories
1	15/F	Walking for 30 min after ingestion of umeboshi intake	Walking	Ae, Ur, Dy	JA, peach*, cherry, strawberry	AD, BA, PO
2	18/F	Walking for 30 min after umeboshi intake	Walking	Or, Ur	JA, peach*, apple, strawberry	AD, PO
3	32/F	Drinking a glass of JA juice	None	Ae, Or, La	JA, peach*, fig, grape, pineapple, orange	None
4	39/M	Ingesting umeboshi after aspirin intake	Aspirin intake	Ae, Ur, La, Na, Dy	JA, peach*	PO
5	54/F	Walking for 1 h after drinking JA juice	Walking	Ae, Na	JA, peach*, cherry fig	PO
6	14/M	Swimming for 30 min after umeboshi intake	Swimming	Ur, Dy	JA*, peach, apple, orange, pear	PO
7	24/F	Jogging for 15 min after umeboshi intake	Jogging	Ae, La, Na, Dy, Co	JA, peach*, lemon, grape	PO
	Mean age 28.0 yrs; M:F = 2:5		6/7 (85.7%)	Ae, 5; Ur, 4; Dy, 4; Or, 2; Na, 3; La, 3; Co,1	JA, 7; peach, 7; cherry, 2; apple, 2; grape, 2; orange, 2; fig, 2; strawberry, 1; pear, 1; lemon, 1; pineapple, 1	PO, 6; AD, 2; BA, 1

JA, Japanese apricot; PO, pollinosis; BA, bronchial asthma; AD, atopic dermatitis; Ae, angioedema; Ur, urticaria; Or, oral symptom; La, laryngeal tightness; Na, nasal symptom; Dy, dyspnea; Co, loss of consciousness.

^*The causative food of the first episode is indicated in bold.