Yuanrong Zheng

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Alpha-casein is the most important bioactive protein in processing technologies. This study investigated the digestibility, antioxidant and antihypertensive activities of α-casein when treated by high hydrostatic pressure (HPP), ultraviolet light-C (UV-C), and far-infrared radiation (FIR). The in vitro digestibility was modified after treatments, especially(More)
Spray dried bovine colostrum (SDBC) powders were packaged in aluminium-laminated polyethylene (ALPE) and polyethylene terephthalate (PET) pouches and then stored under different conditions (25 °C and 50 % relative humidity (RH), 4 °C and 40-70 % RH, 50 °C and 20-50 % RH). The shelf life of SDBC powder was evaluated as 425.5 and 86.5 days in ALPE and PET(More)
α-Casein was treated by high hydrostatic pressure (HHP), UV-C, or far-IR (FIR). These treatments increased roughness, α-helicity, and β-turn, but decreased β-sheet and IgE-binding reactivity. One 5-min cycle at 600-MPa pressure caused maximum α-helicity, β-turn, and surface hydrophobicity (Ho), but minimum stimulated intestinal fluid from α-casein. UV-C(More)
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