Organoleptic agents: Colors, flavors, sweeteners, and scents

Question 1

What are some uses of colors

Answer 1

Impart color
Improve patient adherence

Question 2

What is the chemical nature of colors

Answer 2

Natural
Synthetic (color from presence of unsaturated groups called chromophores, color and intensity can be altered by presence of auxochromes)

Question 3

What are the FDA categories of colors

Answer 3

FD&C dyes: food, drugs, cosmetics
D&C dyes: drugs and cosmetics
External D&C dyes: only in externally applied drugs and cosmetics

Question 4

What are the 4 primary tastes of flavors and sweeteners

Answer 4

Sweet
Sour
Salty
Bitter

Question 5

What is blending in oral preparations

Answer 5

combining flavors

Question 6

What is masking or overshadowing in oral preparations

Answer 6

adding intense and long-lasting flavor

Question 7

What are physical methods in oral preparations

Answer 7

Solubility taste requirement
Emulsified oils
Increase viscosity

Question 8

What is chemical methods in oral preparations

Answer 8

complexation
prodrug

Question 9

What is physiological methods in oral preparations

Answer 9

small quantity of anesthetizing agent
carbonization
refrigeration

Question 10

What are two scents

Answer 10

methyl salicylate (wintergreen)
Rose scent

Question 11

What are three sweeteners

Answer 11

polyhydroxy compounds
saccharin compounds
aspartame