College;
of;
Biology;
and;
Food;
Engineering,;
Dalian;
PolytechnicUniversity,;
Dalian;
116034,;
Liaoning;
,China;
Department;
of;
Biological;
Resources;
Chemistry,;
Faculty;
ofAgriculture,;
Okayama;
University,;
Okayama;
700-8530,;
Japan;