1 College of Pharmacy and Medical Research Center, Chungbuk National University, 194-31 Osongsaemgmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju 361-951, Chungbuk, Republic of Korea
2 College of Oriental Medicine, Gachon University, San 65, Bokjeong-dong, Sujeong-gu, Seongnam 461-701, Gyeonggii-do, Republic of Korea
3 Department of Food Science Technology, Korea National University of Transportation, Jeungpyeong 368-701, Republic of Korea
4 Department of Chemistry, Utah Valley University, 800 W University Pkwy, Orem 84058, UT, USA
5 Department of Obstetrics and Gynecology, Daejeon St. Mary¿s Hospital, College of Medicine, The Catholic University of Korea, 64 Daeheung-ro, Daejeon 301-723, Jung gu, Republic of Korea