Wood Anatomy and Guaifenesin

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Questions and Answers

What can be observed in the transverse section of a wood element?

M.R. and Annular rings only

Pith only

Tangential longitudinal section and M.R.

Annular rings and pith (correct)

What is the term for the arrangement of wood elements shown in the diagram?

Tangential longitudinal section

Annular rings

Radial longitudinal section

Transverse section (correct)

What is the center of the wood element represented by?

Tangential longitudinal section

Annular rings

M.R.

Pith (correct)

Which of the following sections is not shown in the diagram?

Radial longitudinal section Signup and view all the answers

What is the term 'M.R.' an abbreviation for?

Medullary ray Signup and view all the answers

What is the primary use of Anthelmintic as an enema?

To eliminate thread worms Signup and view all the answers

Which of the following is NOT a common use of Anthelmintic?

Treating fungal infections Signup and view all the answers

In which field is Anthelmintic commonly applied as a pesticide?

Horticulture Signup and view all the answers

What is another term for Anthelmintic?

Vermicide Signup and view all the answers

Which of the following is a common application of Anthelmintic?

Enema against thread worms Signup and view all the answers

What is the primary use of the substance as an incense?

To repel insects Signup and view all the answers

In the perfumery industry, what role does the substance play?

Coloring agent Signup and view all the answers

What is the medical use of the substance as a diaphoretic?

To induce sweating Signup and view all the answers

What is the use of the substance in the production of alcoholic beverages?

Coloring agent Signup and view all the answers

What is the secondary use of the substance as an insecticide?

To repel insects in indoor spaces Signup and view all the answers

What is the primary function of guaifenesin?

As an expectorant Signup and view all the answers

From which plant is guaiac resin derived?

Guajacum officinale Signup and view all the answers

What type of enzyme is detected by an alcoholic solution?

Oxidase and peroxidase Signup and view all the answers

What is the chemical name of guaifenesin?

All of the above Signup and view all the answers

What is the primary source of guaifenesin?

Guaiac resin Signup and view all the answers

What is the primary component of the volatile oils found in the heartwood of Santalum album?

Santalol Signup and view all the answers

What is the primary function of the heartwood of Pterocarpus santalinum?

To store blood-red pigments Signup and view all the answers

What is the approximate percentage of volatile oils found in the heartwood of Santalum album?

2.5 % Signup and view all the answers

What is the name of the pigment found in the heartwood of Pterocarpus santalinum?

Santalin Signup and view all the answers

What is the family of the tree species that produces Red Sandalwood?

Leguminosae Signup and view all the answers

Study Notes

Arrangement of Wood Elements

M.R. (Medullary Rays) can be seen in Transverse section and Tangential longitudinal section
Annular rings are present in the wood structure
Pith is a part of the wood anatomy

Guaifenesin

Derived from Guaiacum officinale wood
An expectorant
Constituent of guaiac resin
Also known as Guaiacol glyceryl ether, Guaiphenesin, or Glycerol guaiacolate

Uses of Guaifenesin

Anthelmintic (vermicide) against thread worms
Pesticide against flies and aphids in Horticulture
Treatment for head lice infestation (Pediculosis)
Detection of blood stains, oxidase, and peroxidase enzymes using an alcoholic solution

Sandalwood

Yellow Sandalwood

Heartwood of Santalum album (family Santalaceae)
Active constituents: Volatile oils (2.5%) containing 95% Santalol
Uses:
- Coloring agent for alcoholic preparations
- In perfumery industry and as incense
- Diaphoretic
- Insecticidal

Red Sandalwood

Heartwood of Pterocarpus santalinum (family Leguminosae)
Active constituents: Blood-red pigments (16%): Santalin, deoxysantalin

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Description

This quiz covers the arrangement of wood elements, including M.R. and annular rings, and the uses of Guaifenesin, a derivative of Guaiacum officinale wood.