Journal
MOLECULES
Volume 27, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/molecules27093008
Keywords
metabolomics; nuclear magnetic resonance; magnetic resonance imaging; organic eggs; conventional eggs; nutritional component
Funding
- National Natural Science Foundation of China [82072015]
- Natural Science Foundation of Fujian Province of China [2018Y0078]
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This study used nuclear magnetic resonance (NMR) technique combined with multivariate statistical analyses to identify the differences in metabolite composition between organic eggs and conventional eggs. The results showed that organic eggs have higher nutrient content, especially beneficial for the growth and development of infants, while conventional eggs have advantages in promoting lipid metabolism.
The difference of nutrient composition between organic eggs and conventional eggs has always been a concern of people. In this study, H-1 nuclear magnetic resonance (NMR) technique combined with multivariate statistical analyses was conducted to identify the metabolite different in egg yolk and egg white in order to reveal the nutritional components information between organic and conventional eggs. The results showed that the nutrient content and composition characteristics were different between organic and conventional eggs, among which the content of glucose, putrescine, amino acids and their derivatives were found higher in the organic eggs yolk, while phospholipids were demonstrated higher in conventional eggs yolk. Organic acid, alcohol, amine, choline and amino acids were higher in conventional eggs white, but glucose and lactate in organic egg were higher. Our study demonstrated that there are more nutritive components and higher nutritional value in organic eggs than conventional eggs, especially for the growth and development of infants and young children, and conventional eggs have more advantages in promoting lipid metabolism, preventing fatty liver, and reducing serum cholesterol. Eggs have important nutritional value to human body, and these two kinds of eggs can be selected according to the actual nutrient needs.
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