Egg Yolk

Question 1

LIPOVITELLIN

Answer 1

High density LP
16-18 egg yolk
Alpha beta forms
40-60 neutral lipids and phospholipids

Question 2

Phosvitin

Answer 2

5-6% of yolk solids.

for 80% of the protein phosphorus of yolk.
Rich in serine and phosphorus esterified to AA
Binds to ferric ions to form soluble complex
Iron carrier of yolk

Question 3

Livetin

Answer 3

Protein - alpha beta gamma
Water soluble
4-10%
Rich in sulphur
Different in molecular weight

Question 4

Low density lipoprotein

Answer 4

0.98 density
LDL 1 and 2
74-26 neutral lipids and phospholipids

Question 5

Fats

Answer 5

Triglyceride
Fatty acids- linoleic, palmitic, stearic, oleic
Phospholipids lecithin

Question 6

Green tinge in egg yolk ?

Answer 6

Ovoflavin
More riboflavin more green color

Question 7

Egg nutrition value

Answer 7

Eggs- lecithin- EFA
Arachidonic acid and linoleic fatty acids
A D E

12-14 proteins
Highest BV
Supplement plant protein foods

Question 8

Most abundant mineral in egg?

Answer 8

Calcium it’s concentrated
Zinc iron phosphorus present
Iron bound to conalbumin hence less present
Zinc good source