Coffee And Heart Disease Part 10

Healthy Coffee

Coffee Benefits


The effects of drinking different types of coffee on blood lipid levels including total, low density lipoprotein (LDL) and high density lipoprotein (HDL) cholesterol have been reviewed (1). The authors summarised the evidence that the diterpenes cafestol and kahweol are the cholesterol-raising factors in coffee and classified coffee brews as containing low, moderate or high levels of diterpenes.

Filtered coffee and instant coffee contain low levels of diterpenes. In some intervention trials, neither filtered coffee (2) nor instant coffee (3) had any effect on blood lipid levels. In one intervention trial, however, filtered coffee elevated both LDL- and HDL-cholesterol levels so that the ratio of LDL to HDL and hence the risk of cardiovascular disease did not change (4). Mocha coffee, common in Italy and Spain, and Espresso coffee contain moderate levels of diterpenes.

Intervention trials have demonstrated that neither Mocha coffee (5) nor Espresso coffee (6) had any effect on total, LDL or HDL cholesterol levels. Boiled coffee and cafetiere coffee contain high levels of diterpenes. Intervention trials have demonstrated that both boiled coffee (2) and cafetiere coffee (7) raise total and LDL-cholesterol levels.

However, the second of these studies has been criticised (8, 9) because the effect was small and within the normal diurnal and seasonal variation in cholesterol levels, the effect was of marginal statistical significance and there was evidence at the end of the 24-week study that cholesterol levels were falling again implying adaptation to coffee intake.

Aurora, Colorado, USA
Malawi, Lilongwe,
Gold Coast, Queensland,
Russia, Moscow,
City of Canada Bay, Australia,
Western Sahara, El Aaiun,
Egypt, Cairo: city limits,
Bangladesh, Dhaka City,
Jordan, Amman,
Trinidad and Tobago, Port-of-Spain

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