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Table 3 Aflatoxin and heavy metal contents of Nuna Kadugu (NK)

From: Acute toxicity and the 28-day repeated dose study of a Siddha medicine Nuna Kadugu in rats

Parameters NK Maximum Permissible Limit (as per AYUSH)
Aflatoxin (ppm)
B1 ND 0.5
B2 ND 0.1
G1 ND 0.5
G2 ND 0.1
Heavy metals   
Lead 0.34 10 ppm
Cadmium 0.02 0.3 ppm
Mercury 0.04 1 ppm
Arsenic ND 3 ppm
  1. ND: Not detected.