| 摘要 |
PROBLEM TO BE SOLVED: To provide a skin external preparation comprising a natural substance having ultraviolet ray hazard mitigating action which independently exhibits the ultraviolet ray hazard mitigating action. SOLUTION: The skin external preparation comprises mannoprotein which independently exhibits excellent ultraviolet ray hazard mitigating effect. Mannoproptein is a sugar protein constituted of mannan mainly comprisingα-mannan and a protein and is a water-soluble, white, odorless sugar protein obtained by recovering a mannoprotein releasing yeast strain by a technique such as centrifugal separation, filtration, and ethanol precipitation, followed by freeze-drying. COPYRIGHT: (C)2008,JPO&INPIT
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