Different content of cholesterol, retinol, and tocopherols in human milk according to its fat content
2021
Duan, Beibei | So, Hee-Jin | Shin, Jung-Ah | Qin, Yan | Yang, Jiyeon | Lee, Ki-Teak
This study aimed at investigating the different content of the selected macro- and micronutrients in human milk (HM) according to its fat content. We collected 34 HM samples from Korean mothers, and classified them into 3 groups according to their fat content. Then, their protein, lactose, cholesterol, retinol, tocopherol, and mineral contents were compared. When their contents were presented as per 100 g of HM, cholesterol, retinol, and tocopherol contents increased significantly from group A–C (p < 0.05), suggesting their positive correlation with the fat content. Alternatively, when these contents were considered as per normalized gram of HM fat content, no significant difference was observed between retinol and tocopherol contents in the three groups (p > 0.05), whereas cholesterol content was significantly lower in group C compared to A and B (p < 0.05). However, the fat content seemed to not affect the HM protein and lactose contents. Most minerals did not show statistical difference among three groups (p > 0.05). In addition, strong correlations among cholesterol, retinol, and tocopherol contents were observed, whereas these components were negatively correlated with lactose content to a small extent, and unrelated to protein content.
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