Fig. 5. Salivary adenosine deaminase (ADA) activity from salivary gland homogenate
(SGH) of unfed and blood-fed sand flies and from punctured salivary glands. A
cuvette containing 20 µmol l1 adenosine in PBS was
scanned at 1.5 min intervals for 15 min following addition of salivary
homogenate equivalent to 0.2 pairs of salivary gland.