1. Miscellaneous Drugs
Linseed Oil
PH103.71

2. Department of Technical Education Andhra Pradesh
Name : B.Sri Rama Murty
Designation : Head of Pharmacy Section
Branch : PHARMACY
Institute : Govt.,Polytechnic for Women, Srikakulam
Year/Semester : I Year
Subject : Pharmacognosy
Subject code : PH103
Topic : Miscellaneous Drugs
Duration : 50 Mts
Sub Topic : Linseed Oil
Teaching Aids : PPT, Photographs
PH103.71
ER-91/PH-103/1 of 5

3. Objectives
On completion of this period you would be able to know about :
The monograph of Linseed
PH103.71

4. Known to Unknown What are edible oils? Name them.
Name one Non-edible oils
Does Linseed oil has high saponification value? (YES/NO)
PH103.71

5. LINSEED Boilogical Source :
It consists of fixed oil obtained from dried fully ripe seeds of
Linum usitatissimum
Family : Linaceae
Fig Linseed plant
PH103.71

6. Linseed Geographical source: India Egypt Algeria Spain Italy Greece
Turkey
Afghanistan
Russia
Fig Linseed
PH103.71

7. Linseed Organoleptic characters: Color : Yellow coloured clear liquid
Odour : Charcteristic
Taste : Pleasant
PH103.71

8. Linseed Standards: Specific gravity : 0.927 to 0.931
Refractive index : to
Saponification Value : 188 to 195
Iodine value : 160 to 200
Acid value : Not more than 4
Unsaponifiable matter : Not more than 1.5
PH103.71

9. Linseed Chemical constituents : Sterols, Tocopherol, Squalene
Palmitic, Stearic, Oleic, Linoleic & Linolenic acids
Sterols, Tocopherol, Squalene
Mucilage 5%
Fixed oil 20 to 40%
Fig.71.3
PH103.71

10. Linseed
Uses :
Used in the preparation of Non-staining Iodine ointment,
soaps, lotions, liniments
To treat Scabies and other skin diseases
Nutritive, Emollient
PH103.71

11. In this class we learnt about :
Summary
In this class we learnt about :
The monograph of Linseed
Linseed consists of fixed oil of dried fully ripe seeds of
Linum usitatissimum
It is used as preparation of Iodine ointments, lotions, Liniments and used for treating Scabies
PH103.71

12. Quiz Linseed belongs to family Liliaceae Solanaceae Linaceae
Gentianaceae
PH103.71

13. Quiz Main chemical constituents present in linseed Diosgenin
Picroside II
Kutkoside
Linamarin
PH103.71

14. Quiz 3. Linseed is used as Bitter tonic Treat scabies Febrifuge
All of the above
PH103.71

15. Frequently Asked Questions
Write the uses and constituents of linseed
Write the family and biological source of linseed
Write the monograph of linseed
PH103.70