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. 2014 Sep 15;9(9):e106568. doi: 10.1371/journal.pone.0106568

Figure 2. Physico-chemical characterization of HMW-bLf.

Figure 2

A) Fourier transform infra-red (FTIR) spectra of HMW-bLf indicating characteristic peaks and compared with other forms of bLf. B) Differential scanning calorimetry thermograms of the different bLf forms C) SDS-PAGE showing the comparative resistance of HMW-bLf to Omnizyme (human digestive enzyme cocktail) treatment. It also gives an indication that HMW-bLf is an oligomer made of bLf monomers; because upon digestion HMW-bLf besides dimers and trimers does not release any other fragments lower than ∼78 kDa apart from the ones produced from the digestion of commercially pure NM-bLf.