Welcome to HCM,
There are no food which can reduce cholesterol (LDL) instantly,If your LDL is 271 mg/dl we must know all other parameters also like Total cholesterol
.Triglycerides, and HDL.
Please take care of diet there are food items which help to reduce LDL and control Lipid Profile
Oatmeal, oat bran and high-fiber foods,Fish and omega-3
fatty acids, Walnuts, almonds,Olive oil & Margarines, orange juice and yogurt drinks with added plant sterols
If LDL is so high it best to take HMG coA inhibitors Statins like Atorvastatin
Taking care of diet and medicines you have to exercise daily 1 hour at least.
Please avoid animal fats and smoking and Alcohol.
You should have totak cholesterol 45 and TG should be
Please consult Physician and take proper medicine along with proper diet with exercise so that it can be controlled.