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Table 8 Heavy metal analysis of Costus afer and Palisota hirsuta

From: Pharmacognostic standardisation of the leaves of Costus afer Ker Gawl. (Zingiberaceae) and Palisota hirsuta (Thunb.) K. Schum. (Commelinaceae)

Heavy metal

Copper

Iron

Zinc

Manganese

Lead

Costus afer (mg/100 g)

0.71

43.94

5.71

14.38

0.00

Palisota hirsuta (mg/100 g)

1.09

29.38

14.38

266.80

0.00