Ginsenosides Rb1 and Rg1 suppress triglyceride accumulation in 3T3-L1 adipocytes and enhance beta-cell insulin secretion and viability in Min6 cells via PKA-dependent pathways - Park, S; Ahn, I S; Kwon, D Y; Ko, B S; Jun, W K (Biosci Biotechnol Biochem, 2008)