After 12 months , there were no significant changes in the blood pressures and general biochemical profiles in both groups , however , there was a remarkable decrease in serum low density lipoprotein ( LDL ) cholesterol ( -6.92 % ) and total cholesterol ( TC ) ( -5.85 % ) in the D&G group compared with the placebo group ( -3.21 % and -3.42 % ) when compared with the baseline .