Studies on Human Milk (Part 6)

Effects of days post partum, age of mothers and sampling volume on the chemical compositions of human milk

Abstract

Effects of days post partum, age of mothers and sampling volume on the chemical compositions of human milk in 551 samples were tested statistically by the sequential classification.
Analysis of variance showed that days post partum had significant effects on pH value, tit ratable acidity, solids-not-fat content, total nitrogen compounds content, protein content, non-protein nitrogen compounds content, casein content, ash content and phosphorus content, that age of mothers had significant effects on total nitrogen compounds co ntent, protein content and phosphorus content, and that sampling volume had significant effects on specific gravity, total solids content, fat content, non-protein nitrogen compounds content and casein content.