1. Antiseptics And Disinfectants
Myrrh
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2. Department of Technical Education Andhra Pradesh
Name : BVSN Murty
Designation : Lecturer in Pharmacy
Branch : PHARMACY
Institute : Govt. Polytechnic for Women, Srikakulam
Year/Semester : I Year
Subject : Pharmacognosy
Subject code : PH-103
Topic : Antiseptics And Disinfectants
Duration : 50 Mts
Sub Topic : Myrrh
Teaching Aids : PPT, Photographs
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3. Recap In the last class we learnt about :
Benzoin is a balsamic resin obtained from the various species of Styrax
It is used as Irritating expectorant, Carminative, Diuretic and externally used as Antiseptic and Protective

4. Objectives
On completion of this lesson you would be able to learn about:
Definition of antiseptics and disinfectants and monograph of Myrrh
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5. Antiseptics and Disinfectants
Def : Antiseptics are the chemical sterilizing substances which are used to kill pathogenic microbes or for prevention of their growth
They are directly applied to tissues, to broken skin after burns and wounds
Disinfectants are the substances which are used for destruct the bacteria and their spores and are not directly applied to tissues due to their toxicity
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6. Myrrh Synonym : Gum Myrrh, Bol, Myrrha Family : Burseraceae
Biological source :
It is an Oleo-gum-resin obtained from
Commiphora molmol
Family : Burseraceae
Geographical source :
North east Africa, Southern Arabia
Fig.50.1 Myrrh plant
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7. Myrrh Description Colour : Externally reddish-brown Internally brown
Odour : Aromatic
Taste : Agreeable
Fig.50.2 Myrrh
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8. Myrrh Chemical constituents :
It contains about 10% of Volatile oil, 60% of Gum
25-40% of Resin and Bitter principle
Resin contains -  and  Commiphoric acids
The volatile oil contains Terpenes, Cuminic aldehyde Eugenol
The gum is associated with Oxydase enzyme
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9. Myrrh Identification tests :
When triturated with water, it forms yellowish brown emulsion
When the substance and sand are triturated with solvent ether, filtered and allowed to evaporate, the thin film formed gives Violet colour on contact with Bromine vapors
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10. Myrrh Uses : Stimulant Antiseptic Protective and Astringent
Its tincture is used in the mouth washes and gargles
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11. Summary In the last we learnt about :
Myrrh is an Oleo-gum-resin obtained from the various species of Commiphora
It is used as Stimulant, Antiseptic and Protective and Astringent to the mucous membrane hence Its tincture is used in the mouth washes and gargles
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12. Quiz Myrrh is obtained from Styrax species Curcuma longa
Melia azadirachta
Commiphora molmol
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13. Quiz 2. Myrrh is used as Carminative Antiseptic & disinfectant Antacid
All of the above
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14. Frequently Asked Questions
Write the Biological Source and uses of Myrrh
Give the list of Chemical constituents of Myrrh
Write the Identification and Macroscopy of Myrrh
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