Pharmacology: Cinchona Bark and Alkaloids

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What is the minimum percentage of Cinchona alkaloids yielded by Cinchona bark?

4.0 %

3.0 %

5.0 % (correct)

6.0 %

What is the elevation range where Cinchona trees are found in the Andes?

3000 to 9000 feet (correct)

2000 to 4000 feet

4000 to 12000 feet

5000 to 15000 feet

What is the characteristic of the outer surface of the stem bark?

Rough with longitudinal corky ridges (correct)

Yellowish-brown and striated

Smooth and gray

Fissured and scaly

What is the color of the inner surface of the stem bark?

Pale yellowish-brown Signup and view all the answers

What is the characteristic of the powder of Cinchona bark?

Yellowish-brown with a faint characteristic odor Signup and view all the answers

What is the taste of Cinchona bark?

Bitter to very bitter Signup and view all the answers

What is the characteristic microscopic feature of phloem fibers?

Thick stratified lignified walls showing funnel-shaped pits Signup and view all the answers

What is the primary use of quinine?

As an antimalarial Signup and view all the answers

What is the characteristic of quinovin?

It is a bitter amorphous glycoside Signup and view all the answers

What is the result of heating the powder of Cinchona in a dry test tube?

Reddish fumes are evolved Signup and view all the answers

What is the result of adding ferric chloride solution to Cinchona powder?

It gives a greenish-black color Signup and view all the answers

What is the result of the Thalleoquine Reaction?

An emerald green color is given Signup and view all the answers

What is the purpose of using pomegranate bark?

To expel tape worms Signup and view all the answers

What is the result of adding a drop of FeCl3 to the pomegranate bark filtrate?

A bluish black precipitate is formed Signup and view all the answers

What is the origin of Cinnamon?

It is indigenous to and cultivated in Ceylon Signup and view all the answers

What is the characteristic of the outer surface of cinnamon?

It is yellowish-brown in color Signup and view all the answers

What is the fracture of cinnamon like?

It is short and splintery Signup and view all the answers

What is the color of powdered cinnamon?

It is yellowish-brown or light brown in color Signup and view all the answers

What is the characteristic shape of Cassia bark?

Channeled pieces or single quills Signup and view all the answers

What is the percentage of cinnamic aldehyde in the volatile oil of Cinnamon?

55-65% Signup and view all the answers

What is the diameter range of starch granules in Cinnamon?

4-8 µ Signup and view all the answers

What is the width limit of fibers in Cassia bark?

30 µ Signup and view all the answers

What is the color of the outer surface of Cassia bark?

Dull earthy brown Signup and view all the answers

What is the use of Cinnamon as a flavoring agent?

Flavoring agent Signup and view all the answers

What is the main characteristic of the fracture of Cascarilla bark?

It is short Signup and view all the answers

What is the percentage of foreign organic matter allowed in Cascarilla?

Not more than 5.0% Signup and view all the answers

What is the shape of Cascarilla bark?

Single quill or channeled Signup and view all the answers

What is the use of Cascarilla as a fumigant?

As a fumigant Signup and view all the answers

What is the percentage of volatile oil in Cascarilla?

About 1% Signup and view all the answers

What is the characteristic of the powder of Cascarilla?

It has a pale brown color and pleasant aromatic odor Signup and view all the answers