BENZOIN Flashcards
Define benzoin
It is the balsamic resin that is gotten exudes from the bark of a styrax tree
What bark of tree produces benzoin
Bark of a styrax tree
What are the 2 commercial varieties of benzoin
Sumatra benzoin
Siam benzoin
Define Sumatra benzoin
It is obtained from the incised stem of styrax benzoin dryander or styrax parallelo Perkins
Family. Styraceae
It contains 25p of total balsamic acids calculated as cinnamic acids
Synonyms of Sumatra benzoin
Gum Benjamin
Benzonium
Luban(Hindi)
Benzoin
What is the biological source of Sumatra benzoin
Sumatra benzoin is obtained from the incised stem of Styrax benzoin dryander or Styrax parallelo perkins
Family styraceae
What is the geographical source of sumatra
Sumatra
Java
Malaya
What are the characteristics of Sumatra benzoin
Based on it’s brittle mass, balsamic odour and slightly acrid taste
What are the chemical constituents of Sumatra benzoin
It consists of free balsamic acids( 25p of cinnamic and benzoic acids), the amount of cinnamic acids is usually double that of the benzoic acid, others are traces of vanillin, cinnamate, cinnamyl cinnamate
Uses of Sumatra benzoin
Similar uses with that of general benzoin uses
In incense
For respiratory disorders like cough
Antiseptic
Perfumery
Improve taste in pharmaceutical industries
What is the allied drug or the inferior quality of Sumatra benzoin
Palembang benzoin
What is used as a source of natural benzoic acid
Palembang benzoin
What is Palembang benzoin
We consider the definition, collection, and the properties
Palembang is an inferior quality of benzoin produced in Sumatra, it is collected from isolated trees from which the resin has not been stripped for some time.
Properties
Color. Reddish brown
Form. Light weight and breaks with irregular porous fracture
It has few tears embedded in it
Define Siam benzoin
It is the balsamic resin obtained from the stem of Styrax tonkinesis Craib
Family. Styraceae
What is the geographical source of Siam benzoin
North Vietnam and Thialand
What are the characteristics of Siam benzoin
It has a balsamic odour
It has a vanilla like taste
Its form is in tears or in blocks
What are the chemical constituents of Siam benzoin
The principal constituent is coniferyl benzoate 60 to 80p also known as 3 methoxy 4 hydroxy cinnamyl alcohol, 10p of benzoic acids, benzyl cinnamate, vanillin
Use of Siam benzoin
Expectorant
Perfumery
Antiseptic
Culinary
In marketed products, Siam benzoin is one of the ingredients in the preparation of
Friar’s balsam
What are the chemical tests for benzoin
It is divided based on general tests and individual tests and combined tests
For general test heat is used
For Sumatra 10p aqu KMNO4 is used
For Siam, benzoin alcoholic ferric chloride is used BAFC
- White dense fumes due to acid
- Bitter almond like benzaldehyde odour due to cinnamic acids
- green, coniferyl benzoate
