Page 84 - Pharmacognosy-I (02-06-06-102)
P. 84

Piperonyl Butoxide                    7.6 g
Deodorised kerosene of commerce     988.6 g

Pyrethrum Dusting Powder

Pyrethrum Extract                   16 g

Diatomite, of commerce, in fine powder 300 g

Purified Talc, in fine powder       684 g

Chloroform         A sufficient quantity

Pyrethrum Extract
24.5% to 25.5% w/w, of which not less than half consists of
pyrethrin I.

 Substitutes:
Persian insect flower (Caucasian insect flower):
It is collected from the wild plant of Chrysanthemum coccineum
family Asteraceae.

The flower-heads are distinguished by dark nearly black colour of
involucral bracts, the rose colour of the ray florets and the 10-
ribbed ovary.

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