Minerals concentration could be inadequate for preterms. Protein concentration decreases steadily to mature milk levels by the third week of PNA, regardless of birth GA. Therefore, from the third week of PNA onwards, protein content could be insufficient to satisfy needs of preterms born at 32 weeks or less. Feeding hind milk could increase caloric density and fat intake to better meet preterms' nutritional needs.
Three new diterpenoid alkaloids, isoazitine (1), 19-oxodihydroatisine (2), and 22-O-acetyl-19-oxodihydroatisine (3), and eight known alkaloids-azitine (4), dihydroatisine (5), delphinine, neoline, bullatine C (14-acetylneoline), chasmanine, 14-acetylchasmanine, and the quaternary base atisinium chloride (7)-were isolated from the aerial parts of Delphinium staphisagria. Structures of the new alkaloids were established mainly by 1D and 2D NMR spectroscopy, including (1)H COSY, HMQC, HMBC, and ROESY. The (1)H and (13)C NMR data for alkaloids 4 and 5 are also reported.
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