30 Questions
What is the minimum percentage of Cinchona alkaloids yielded by Cinchona bark?
5.0 %
What is the elevation range where Cinchona trees are found in the Andes?
3000 to 9000 feet
What is the characteristic of the outer surface of the stem bark?
Rough with longitudinal corky ridges
What is the color of the inner surface of the stem bark?
Pale yellowish-brown
What is the characteristic of the powder of Cinchona bark?
Yellowish-brown with a faint characteristic odor
What is the taste of Cinchona bark?
Bitter to very bitter
What is the characteristic microscopic feature of phloem fibers?
Thick stratified lignified walls showing funnel-shaped pits
What is the primary use of quinine?
As an antimalarial
What is the characteristic of quinovin?
It is a bitter amorphous glycoside
What is the result of heating the powder of Cinchona in a dry test tube?
Reddish fumes are evolved
What is the result of adding ferric chloride solution to Cinchona powder?
It gives a greenish-black color
What is the result of the Thalleoquine Reaction?
An emerald green color is given
What is the purpose of using pomegranate bark?
To expel tape worms
What is the result of adding a drop of FeCl3 to the pomegranate bark filtrate?
A bluish black precipitate is formed
What is the origin of Cinnamon?
It is indigenous to and cultivated in Ceylon
What is the characteristic of the outer surface of cinnamon?
It is yellowish-brown in color
What is the fracture of cinnamon like?
It is short and splintery
What is the color of powdered cinnamon?
It is yellowish-brown or light brown in color
What is the characteristic shape of Cassia bark?
Channeled pieces or single quills
What is the percentage of cinnamic aldehyde in the volatile oil of Cinnamon?
55-65%
What is the diameter range of starch granules in Cinnamon?
4-8 µ
What is the width limit of fibers in Cassia bark?
30 µ
What is the color of the outer surface of Cassia bark?
Dull earthy brown
What is the use of Cinnamon as a flavoring agent?
Flavoring agent
What is the main characteristic of the fracture of Cascarilla bark?
It is short
What is the percentage of foreign organic matter allowed in Cascarilla?
Not more than 5.0%
What is the shape of Cascarilla bark?
Single quill or channeled
What is the use of Cascarilla as a fumigant?
As a fumigant
What is the percentage of volatile oil in Cascarilla?
About 1%
What is the characteristic of the powder of Cascarilla?
It has a pale brown color and pleasant aromatic odor
This quiz covers the origin, properties, and composition of Cinchona bark, including its alkaloids, quinine, and cinchonidine. Learn about the botany and characteristics of Cinchona trees and their uses.
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