Vitamin C

PMID: 31369223

Abstract:

Vitamin C is a normal component of human milk and is a key milk antioxidant. The recommended vitamin C intake in lactating women is 120 mg daily, and for infants aged 6 months or less is 40 mg daily.[1] High daily doses up to 1000 mg increase milk levels, but not enough to cause a health concern for the breastfed infant and is not a reason to discontinue breastfeeding. Nursing mothers may need to supplement their diet to achieve the recommended intake or to correct a known deficiency. Maternal doses of vitamin C in prenatal vitamins at or near the recommended intake do not alter milk levels.
Donor milk subjected to Holder pasteurization (62.5 degrees C for 30 minutes) has lower vitamin C levels than levels reported in fresh milk and lower than unpasteurized milk.[2][3][4] Holder pasteurization does not reduce biochemical signals of donor milk lipid oxidation status.[4] However, the relative antioxidant contribution of donor milk vitamin C content compared to vitamin E after pasteurization has not been studied. The flash-heat method of treating breastmilk to reduce HIV transmission (placing a container of expressed milk in a water bath and brining the water to a rolling boil) does not change the milk vitamin C content.[5]
Freezing (-20 decrees C) freshly expressed mature milk from hospitalized mothers of term and preterm infants does not change milk vitamin C levels for at least 3 months of freezer storage.[6] After 6 to 12 months of freezing (-20 degrees C), vitamin C levels can decrease by 15 to 30%. Storage at -80 degrees C preserves vitamin C levels for up to 8 months, with 15% loss by 12 months.[7]

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42410583	Vitamin K1-4a,5,6,7,8,8a-13C6			Price

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