Table 1 Sources of allergic sera and testing methods determining mesquite sensitivity.

1.

PlasmaLab International, Everett, WA

Pharmacia CAP Method : IgE Class 4 response* (very high) of 20.4 kU/L specific to mesquite pollen

pollens (trees, grass and weeds), molds, epidermals, and foods

2.

PlasmaLab International, Everett, WA

Pharmacia CAP Method : IgE Class 3 response (high) of 17.0 kU/L (kilo units per liter) specific to mesquite pollen

pollens (trees and weeds), molds, epidermals and foods

3.

PlasmaLab International, Everett, WA

Pharmacia CAP Method : IgE Class 3 response (high) of 12.4 kU/L specific to mesquite pollen

pollens (trees, grass and weeds), molds, epidermals and foods

4.

Cliniqa Corporation, Fallbrook, CA

RAST Testing: Class 4 (501–1500 SIE units using the THABEST IgE Scoring System)**

pollens (trees, grass and weeds), molds, epidermals and foods

5.

Cliniqa Corportion, Fallbrook, CA

RAST Testing: Class 3 (151–500 SIE units using the THABEST IgE Scoring System)

pollens (trees, grass and weeds), molds, epidermals and foods

6.

Private Physician, Scottsdale, AZ

Positive scratch test using mesquite antigen from Greer Laboratories, Inc.

pollens and molds

7.

Private Physician, Winchester, VA

Positive (severely allergic) intradermal skin test using mesquite antigen from Greer Laboratories, Inc.

no other known allergies

8.

Private Physician, Winchester, VA

Positive (moderately allergic) intradermal skin test using mesquite antigen from Greer Laboratories, Inc.

milk allergy; no other known allergies

9.

Private Physician, Winchester, VA

Positive (moderately allergic) intradermal skin test using mesquite antigen from Greer Laboratories, Inc.

pollens (trees, grass and weeds), molds, epidermals and foods

10.

Seraplex, Inc., Duarte, CA

Pharmacia CAP Method Class 3 response (high) of 12.5 kU/L specific to mesquite pollen.

pollens (types unavailable) and foods