Page 148 - Pharmacognosy-I (02-06-06-102)

Cinnamon powder :

It is dull yellowish brown with aromatic odour and sweet aromatic
taste, characterized by :

1- Phloem fibres, mostly isolated with thick lignified walls and
rarely exceeding 30  in diameter.

2- Sclereids, numerous, isodiametric, unequally thickened and
lignified.

3- Fragments of parenchyma, containing starch granules and minute
acicular crystals of CaOx and accompanied by occasional
isolated secretion cells.

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