starch-iodine test

starch-i·o·dine test

a test for sweating in which iodine in oil is painted on the skin, followed by dusting with a starch powder which turns blue-black in the presence of iodine and moisture.

starch-iodine test

A test for the presence of starch. When an iodine solution is applied to a substance or material that contains starch, a dark blue color appears.
References in periodicals archive ?
Both the pattern and absence of sweating was documented by using the starch-iodine test which followed the similar glove and stocking distribution (Figures 1 and 2).
Our case here shows a similar pattern of loss of sensation and sweating in the lepromatous pole which has been pictographically documented by the use of a starch-iodine test.
The results were assessed by the hyperhidrosis disease severity index, improvement of sweating on a scale of I to IV and the starch-iodine test.
On the questionnaire, none of the 24 patients said they experienced abnormal facial sweating, flushing, or warmth while eating, although 6 of the 12 patients in the nonflap group had a mildly positive starch-iodine test.
At follow-up, all patients completed a short questionnaire survey and underwent a starch-iodine test.
Positivity for Frey's syndrome on the starch-iodine test was classified as either mild, moderate, or strong according to criteria established by Taylor et al.
However, the starch-iodine test on the operated side was mildly positive in 6 of the 12 patients (50%) in the nonflap group, whereas none of the patients in the flap group had a positive result.