Health Benefits Of Drinking Coffee
Coffee beans contain small amount of vegetable fats in limited increase blood cholesterol. Much depends upon how the coffee is ready. Moreover, the effect is so limited that it in fact is only relevant for people who already have
elevated cholesterol.
Cholesterol-promoting substances
Coffee contains no cholesterol, but cholesterol-enhancing substances, mainly diterpenes cafestol and kahweol naturally in the fat of the coffee bean occur. These substances dupe galwerking, thus reducing bile acid is separated and less cholesterol in the liver can be processed, and ultimately more cholesterol in the blood.
Cafestol is the most powerful cholesterol-enhancing substance in our diet occurs. Research has shown that 10 mg cafestol per day for 4 weeks with total cholesterol 0.13 mmol / l increases. In an average cholesterol of 5.5 mmol / l so that means an increase of approximately 2%. Especially the (bad) LDL-cholesterol is increased, the (good) HDL cholesterol remains approximately constant or decreases slightly. Prolonged consumption, the smaller increase in cholesterol, which in some alignment of the body may indicate. The cholesterol-raising effect is temporary: after stopping drinking coffee normalizes cholesterol itself over time.
See also Article: Watch your cholesterol
Different types of coffee
The amount of cafestol in coffee is heavily dependent on the preparation and to lesser extent the type of coffee.
Preparation
With filter, put paper filter, cafestol and kahweol remain largely in the filter, and there is no or hardly any effect on cholesterol levels. Even in Senseo machine, which is not much pressure built up, these substances remain largely behind in the filter paper. A cup of Senseo coffee filter contains an average 0.1 mg cafestol.
Cooking Coffee (prepared by boiling ground coffee with water and pouring off the preposition without filtering) and coffee with the boiling water and the coffee is poured through metal filter is pressed down (Cafetière coffee), containing contrast relatively high cholesterol enhancing substances (or 4 to 6 and 3 mg to 4 mg cafestol per cup). The metal filters to keep the fat is not, so the substances in the coffee chain. Turkish and Greek coffee also contains relatively high concentrations of cafestol and kahweol (4 to 5 mg cafestol per cup) and cholesterol is also increasing. The same goes for coffee percolator which is cooked long. This means that 3 cups of Turkish coffee or caffetièrekoffie cholesterol by about 2% increase.
Espresso coffee is situated somewhere in the middle: although the coffee is not filtered, but because the water is pressed through the coffee and only briefly in contact with the coffee, cafestol is less taken: 1 cup espresso coffee contains on average approximately 1 to 2 mg cafestol. That would greatly depend on the precise mechanism. When called fresh brew machines (with freshly ground coffee with water through paper or metal filter is pressed), the cafestol content may be higher than in espresso machines that use paper pads or capsules.
Instant coffee and (automatic) coffee-based liquid coffee concentrate hardly contain diterpenes and have little or no effect on cholesterol levels.
Coffees
The type of coffee is important. Arabica beans contain more terpenes than robusta beans. The differences between the different races are relatively small. Moreover, most coffee is mixture of different races and from different countries.
It makes no sense to switch to caffeine free coffee because the caffeine has no effect on cholesterol levels. In fact, according to 2005 study by the National Institutes of Health would caffeine free coffee (slightly) raise the bad LDL-cholesterol compared with people who are not regular or (filter) coffee drinking (an average of 6 cups day for 3 months). But this effect is partly offset by the increase of (good) HDL-cholesterol in obese individuals (BMI greater than 25) that caffeine-free coffee. In non-obese beneficial effects that coffee drinkers were not found strangely enough.
Effect on cardiovascular disease
According to famous rule of thumb implies an increase in the (total) cholesterol by 1% (theoretical) increase the risk of heart disease by 2%. Someone who is 10 mg / day cafestol gets (about 3 cups of unfiltered coffee or 5 to 6 espresso cups), would be seen to rise by 2% cholesterol and thus this model was 4% higher risk for heart ailment. If we assume that man of 55 8% chance of heart attack for his 65th, then that is 8.32% (104 x 8%) for someone with great coffee drinks. For diabetic patient who has 40% chance of heart attack before his 70th birthday means so much coffee drinking increased the risk to 41.6% (104 x 40%). The coffee risk should certainly not be exaggerated, compared to such diet rich in saturated fats.
Moreover, this involves theoretical model so far has been no immediate link between daily coffee consumption and show an increased risk of heart disease or the prognosis after heart attack. On the contrary, some previous studies suggest lower risk of death from heart disease in coffee drinkers. Possible antioxidants in coffee could inhibit inflammatory processes and the risk of heart disease may decrease. Also there is evidence that type 2 diabetes – major risk factor for heart disease – less common among regular coffee drinkers.
For healthy people, there is therefore no objection to (moderate) coffee consumption (= 4 to 5 bags per day).
People suffering from disorder of lipid or suffering from elevated cholesterol levels, do best to be prudent to avoid excessive drinking coffee and Senseo coffee filter or prefer to use. A cup of espresso coffee is still another possibility: reduced consumption of espresso, 2 to 3 cups per day, will barely affect cholesterol. Given the cholesterol raising effect of Turkish coffee and caffetièrekoffie is rather not recommended in people with high cholesterol.
Other effects of coffee on cardiovascular disease
Blood Pressure
Caffeine causes temporary, slight rise in blood pressure after several hours is normalized. The impact on long-term studies give conflicting results. Probably regular consumption of coffee limited or no effect on blood pressure in people with normal blood pressure. In the elderly and people with high blood pressure (hypertension), high consumption would (more than 5 bags per day) an increase in blood pressure can cause. A normal coffee consumption (4 to 5 bags) would not be problem: study in people with hypertension have shown that moderate consumption increases blood pressure does not go, stop and reverse the coffee does not lower blood pressure. May offset the potassium and magnesium in coffee the pressor effect of caffeine.
Homocysteine
Another potential risk factor for heart disease is increased homocysteine levels. Drinking large quantities of coffee (6-10 cups day), resulted in some studies to an increase in homocysteine levels. When people just to stop drinking coffee, lowers homocysteine levels. We do not know what caused it, possibly this reflects the components chlorogeenzuur coffee or caffeine.
Cardiac Arrhythmias
Excessive use (more than 10 cups day) may cause some people heart palpitations and cardiac arrhythmias. However, no evidence that coffee consumption, the risk of death due to cardiac arrhythmia increases.
Related posts:
What is Your Opinion?