Comparison of the total amount of eggshell pigments in Dongxiang brown-shelled eggs and Dongxiang blue-shelled eggs.
Based on the knowledge of the heme bio-synthetic and metabolic pathway and the structures of biliverdin and protoporphyrin, experiments were carried out to compare the difference between the total quality of eggshell pigments in blue-shelled eggs and brown-shelled eggs from the same population (Dongxiang, China) and to analyze the correlation between the quantity of protoporphyrin and biliverdin in the 2 kinds of eggshells. It was found that there was no significant difference between the total quantity of eggshell pigments in Dongxiang blue-shelled eggs and Dongxiang brown-shelled eggs (P = 0.9006), and a highly significant positive correlation between the quantity of protoporphyrin and biliverdin in blue eggshells (P < 0.01) and a significant positive correlation between the quantity of protoporphyrin and biliverdin in brown eggshells (P < 0.05). These results suggested that eggshell protoporphyrin and eggshell biliverdin probably derived from common precursor material.
Wang
X T
XT
College of Animal Science and Technology, China Agricultural University, Beijing, China.
Zhao
C J
CJ
Li
J Y
JY
Xu
G Y
GY
Lian
L S
LS
Wu
C X
CX
Deng
X M
XM
D000818:Animals; D001664:Biliverdine / Q000737:chemistry; D002645:Chickens / Q000502:physiology*; D004531:Eggs / Q000032:analysis*; D015394:Molecular Structure; D010860:Pigments, Biological / Q000737:chemistry*; D011524:Protoporphyrins / Q000737:chemistry
D010860:Pigments, Biological; D011524:Protoporphyrins; D001664:Biliverdine