WOOL FAT - PARMACOGNOSY

This presentation contains information about wool fat which falls under the topic of lipids and fats.

1. WOOL FAT
Pharmacognosy and Phytochemistry
SELVA DIDTOSESELVA DIDTOSE
BY -
2ND YEAR
PHARM.D

2. Wool fat, Anhydrous lanolin,
purified wool fat.
Synonyms

3. BIOLOGICAL
SOURCE:
Hydrous wool fat is the purified
fat-like substance obtained from
the wool of Ovis aries.

4. Family:
Bovidae.

5. GEOGRAPHICAL
SOURCE:


LANOLIN IS COMMERCIALLY
MANUFACTURED IN AUSTRALIA,
THE U.S.A., AND TO A VERY
LESS EXTENT IN INDIA.

6. 1.
Colour - whitish-yellow.
Odour - faint and characteristic.
2.
DESCRIPTION:

Taste - bland.
3.
Solubility - insoluble in water-soluble
in chloroform and solvent ether.
4.

8. METHOD OF PREPARATION:


Raw wool contains 31% wool fibers, wool sweat(
potassium salts of fatty acids), 32% earthy matter, and
25% wool grease.
Crude lanolin is separated by washing with sulphuric acid
or suitable organic solvent or soap solution.

9. Hydrous wool fat is prepared by mixing an anhydrous
product with 30% water.
It is further purified and bleached.
The product is known as anhydrous lanolin or wool fat.

10. CHEMICAL
CONSTITUENTS:
It contains mainly esters of
cholesterol and hydrous wool fat also
contains oleic, myristic, palmitic, and
lanopalmitic acids.
It also contains 50% water.

11. DEEP GREEN COLOR INDICATES THE
PRESENCE OF CHOLESTEROL.
IDENTIFICATION TEST:
0.5G WOOL FAT IN CHLOROFORM + 1 ML
ACETIC ANHYDRIDE+ 2 DROPS OF
SULPHURIC ACID.

12. USES:
USED AS WATER ABSORBABLE OINTMENT BASE.
USED AS A COMMON INGREDIENT AND BASE FOR
WATER-SOLUBLE CREAMS AND COSMETICS.
LANOLIN IS OFTEN USED AS A RAW MATERIAL FOR
PRODUCING VITAMIN D.
IT'S ALSO USED AS A MOISTURIZER.