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Effect of pasteurization on melatonin concentration in human breast milk

, , , ,  und   
22. Juni 2022

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COVER HERUNTERLADEN

Fig. 1

Comparing melatonin concentration before and after Holder pasteurization
Comparing melatonin concentration before and after Holder pasteurization

Fig. 2

Correlation between melatonin concentration before pasteurization and melatonin concentration after pasteurization (Spearman's rank correlation)
Correlation between melatonin concentration before pasteurization and melatonin concentration after pasteurization (Spearman's rank correlation)

Characteristics of tested milk samples with basic composition

Variable Median Min Max Interquartile range (IQR)
Age [year] 29.00 24.00 37.00 7.00
Lactation period [week] 12.00 3.00 40.00 14.00
Gestational age [week] 36.5 27.00 41.00 8.00
Melatonin pre-pasteurization [pg/mL] 9.58 0.65 26.24 12.72
Melatonin post-pasteurization [pg/mL] 9.98 0.80 29.58 11.26
Fat [g/100 mL] 2.95 1.70 3.80 0.60
Total protein [g/100 mL] 1.40 1.20 1.90 0.25
Carbohydrate [g/100 mL] 7.70 6.70 7.90 0.25
Dry matter [g/100 mL] 12.30 11.00 13.10 0.90
Energy value [kcal/100 mL] 65.50 54.00 72.00 6.00

Correlations of the tested parameters according to Spearman's rank order

Age [year] Gestational age [week] Lactation period [week] Melatonin pre-pasteurization [pg/mL] Melatonin post-pasteurization [pg/mL] Fat [g/100 mL] Total protein [g/100 mL] Carbohydrate [g/100 mL] Dry matter [g/100 mL] Energy value [kcal/100 mL]
Age [year] 1 0.329 0.276 0.068 −0.102 0.113 −0.052 −0.044 0.144 0.092
Lactation period [week] 0.276 0.687* 1 −0.263 −0.255 −0.175 −0.589* 0.013 −0.062 0.071
Melatonin pre-pasteurization [pg/mL] 0.068 −0.290 −0.263 1 0.797* −0.043 0.099 0.237 0.075 −0.104
Melatonin post-pasteurization [pg/mL] −0.102 −0.248 −0.255 0.797* 1 −0.128 0.300 −0.019 0.028 −0.127
Fat [g/100 mL] 0.113 0.173 −0.175 −0.043 −0.128 1 0.215 −0.153 0.789* 0.946*
Total protein [g/100 mL] −0.052 −0.215 −0.589* 0.099 0.300 0.215 1 −0.121 0.482* 0.459*
Carbohydrate [g/100 mL] −0.044 0.156 0.013 0.237 −0.019 −0.153 −0.121 1 0.211 −0.144
Dry matter [g/100 mL] 0.144 0.157 −0.062 0.075 0.028 0.789* 0.482* 0.211 1 0.871*
Energy value [kcal/100 mL] 0.092 0.178 0.071 −0.104 −0.127 0.946* 0.459* −0.144 0.871* 1
Sprache:
Englisch
Zeitrahmen der Veröffentlichung:
1 Hefte pro Jahr
Fachgebiete der Zeitschrift:
Biologie, Molekularbiologie, Mikrobiologie und Virologie, Medizin, Vorklinische Medizin, Grundlagenmedizin, Immunologie