Compared with the control group , the Chlorella group exhibited remarkable changes in total cholesterol ( Chlorella -@ % ; placebo @ % ; P = @ ) , triglycerides ( Chlorella -@ % ; placebo @ % ; P = @ ) , lutein/zeaxanthin ( Chlorella @ % ; placebo -@ % ; P < @ ) , and - carotene ( Chlorella @ % ; placebo @ % ; P < @ ) .