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Figure 3: SDS-PAGE of standard egg powder and milk powder extracts. Lane 1: standard milk powder extracts (10 μg); Lane 2: standard egg powder extract (10 μg); Lane 3: recombinant human lactoferrin (rhLF, 400 ng); Lane 4: human lactoferrin (hLF, 400 ng); Lane 5: bovine lactoferrin (bLF, 400 ng); Lane 6: molecular weight marker (the standard weight band is 170 KD, 130 KD, 95 KD, 72 KD, 55 KD, 43 KD, 34 KD, 26 KD and 10 KD respectively). The rhLF, hLF and bLF were detected in the gel at a loaded dose of 400 ng
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