Lactoferrin (LF) is known to show various useful biological features such as antimicrobial, antiviral, antitumor and anti-inflammatory effects. However, orally administered LF undergoes enzymatic degradation in the gastrointestinal tract, resulting in extensive decrease of such functions. The purpose of this study is to develop a useful oral delivery system of LF. Also, chitosan (Ch) was adopted as a carrier because it is yielded abundantly and a safe polymer…

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