KADARsIgA DAN LACTOFERRINAIR SUSU IBU
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Abstract
sIgALACTOFERRIN LEVEL IN BREAST MILK
Breast milk offers innumerable immunological components that are important for reduction of infant
morbidity and mortality. Breast milk protects against infections in breastfed newborns mainly via
secretory IgA (sIgA) antibodies, but also most likely via several other factors such as the bactericidal
lactoferrin. The purpose of this article is to determine the levels of sIgA and lactoferrin of breast milk
from Indonesian women in Pandeglang. sIgA and lactoferrin in breast milk were measured crosssectionally in postpartum women between lactation days 14 -28 using ELISA. Results showed that
the mean level of sIgA from 137 breast milk samples was 2.11 ± 3.5 mg/ml and that of lactoferrin from
138 samples was 3.73±4.05 mg/ml. The mean levels of sIgA and lactoferrin in this group are lower
when compared with other published values.
Keywords: breast milk, secretory IgA (sIgA), lactoferrin
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