........ contain nitrogen in form of heterocyclic ring but not derived from amino
acids

.......... which contain nitrogen (but not the nitrogen heterocycle) and also originate
from amino acids.

............ contain nitrogen in the heterocycle and originate from amino acids.

From the generic name of the plant yielding them as ........ (Atropa belladona)

From the specific name of the plant yielding them as ..........(Atropa belladona)

Alkaloids From their physiologic activity as emetine.

Examples of Trure alkaloids heterocyclic rings

Extraction involves the separation of the medicinally ............... of plants or animal tissues from
the inactive or inert component

in Extraction method using solvent(s) and by using one of the standard extraction procedures

Mechanism of extraction

Methods of extraction can be divided into

in Maceration Water is used because if the alkaloids present in a ...... form, they will dissolve in water.

Non-polar solvent like chloroform are used for the extraction of volatile oil and terpenes.

Advantages of Maceration:

Disadvantages of Maceration

In Percolation method The plant
material is much better to be soaked by the solvent about..... hr. before starting the procedure.

in Percolation method The solvent called .......... and the
extract we get it called p........ and the plant material left is called .........material

Advantages of Percolation

Disadvantages of Percolation