Page 17 - Pharmacognosy-II (06-PG 303)

are present as a patch, only in the central region of the commissural
side.
c- Endocarp, is composed of single layer of narrow elongated cells with
no parquetry arrangement (parallel).
d- Endosperm is formed of thick-walled cellulosic cells containing fixed
oil, aleurone grains, and micro-rosette crystals of ca ox.

Diagram of T.S of Anise

Powdered Anise :

It is greenish-brown or yellowish-brown in colour with characteristic
sweet agreeable and aromatic odour and taste. Characterized by the presence
of :

1- Numberous unicellular non-glandular conical curved hairs with thick
walls, bluntly pointed spices and finely warty cuticle.

2- Fragments of mesocarp with yellowish-brown branching vittae, usually
crossed by cells of the endocarp.

3- Numerous colourless fragments of endosperm cells with thick
cellulosic walls and containing fixed oil globules, aleurone and micro-
rosette crystals of calcium oxalate.

4- Fragments of epicarp formed of polygonal cells with striated cuticle and
anomocytic stomata in addition to few vascular structures.

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