2 butanol/obesity

CROSS-REFERENCE TO RELATED APPLICATION This application is a 371 of PCT/KR2009/007911, filed Dec. 29, 2009, the contents of which are incorporated herein by reference. TECHNICAL FIELD The present disclosure relates to fractions obtained from systematic fractionation of Polygonum Cuspidatum extracts,

BACKGROUND T cells, a class of lymphocytes developed in the thymus, are responsible for cell- and antibody-mediated immunity. Two major classes of T cells perform very different functions. CD8.sup.+ cytotoxic T cells kill infected cells or eliminated microorganisms, and CD4.sup.+ helper T cells help