Coffee: properties and benefits
Coffee, the drink known to all for its stimulant properties, is prepared with the seeds of the fruits produced by the coffee plant from the Rubiaceae family and named Coffea. The plant has small, round and green berries that once ripened become bright red. Arabica grows between 1,000 and 2,000 meters above sea level, is very delicate but more organoleptic properties, while the Canephora, also known by the name of Robusta is more resistant and grows at lower altitudes, between 150 and 600 meters. The most cultivated quality in the world is undoubtedly the Arabian representing about 75% of world production. It seems that the first news of the coffee come from Ethiopia and precisely from the plateau of Kaffa, where in fact comes from the first coffee plant. As for the drink, it has its origins in Yemen, around the year 1000.
Coffee Chemical Composition Originally, the state of grain, contains many substances including proteins, fats, minerals, carbohydrates but after roasting are drastically reduced to almost disappear. But we must emphasize that those that remain are substances with very useful properties for our body.
These are the main substances contained in 100 grams of espresso coffee: 0.18% fat, 0.1% fiber, 98% water and 0.3% ash.
Coffee: properties and benefits
Antioxidant is one of the richest food sources of natural substances with antioxidant properties, thanks to the abundance of chlorogenic acids and compounds derived from toasting. It is calculated that this drink contains more than 30 compounds with antioxidant activity, a cup can hold from 350 to 450 mg, a significant amount can make several benefits to our body. A study conducted at the University of Pamplona Spain claims that the coffee antioxidant capacity is 10 times higher than that of other beverages such as tea and wine.
The study states that the type of coffee with higher antioxidant properties is expressed. Anti-cancer: some studies published by ‘Harvard School of Public Health report interesting properties of coffee. A study published in May 2011 in the online edition of the Journal of the National Cancer Institute, says that drinking coffee regularly reduces the risk considerably to develop a lethal form of prostate cancer. Antidepressant: another study, again of ‘Harvard School of Public Health, published in July 2013 on The World Journal of Biological Psychiatry argues that drink a few cups a day reduces the risk of suicide by 50%, both in women as in men. Always this drink, would seem to have antidepressant properties on women, reducing the risk by 20%. It prevents the decline of brain: after several studies it was established that people who are regular users cafes develop better protection against various diseases such as Parkinson’s disease and brain decline due to old age. Caffeine fights the action of free radicals, which, as we know, can be linked to the occurrence of various diseases, even serious ones. Good for the heart, taken in moderate doses has properties that are beneficial for heart activity thereby improving the body’s resistance to prolonged effort. Very important action that exercises in reducing cardiovascular risk. Burns fat: studies on caffeine and its properties have shown its thermogenic effect, that is, its ability to burn energy and therefore fat. Helps breathing: other benefits of coffee: three cups a day may help those who have breathing problems due to the bronchi, as the coffee favors their expansion. Aids digestion: after lunch a cup increases the production of saliva and stimulates gastric secretion, thus promotes digestion. Regulates blood sugar: it helps regulate the amount of sugar in the blood thus representing an aid to the sufferers of type 2 diabetes. Diuretic: in coffee are present many components with diuretic properties (caffeine, theobromine, caffeic acid, chlorogenic acid and asparagine) that are used to counteract the water retention and therefore also used in slimming treatments. Moreover, thanks to the presence of methionine, coffee has also beneficial effects on the prevention of urinary tract infections. Recall that, as with all foods with good properties, the coffee is beneficial only if taken in moderation. Caffeine Caffeine is a natural alkaloid found in 60 different species of plants, including coffee, tea and cocoa. At room temperature is presented with a white solid appearance and without any odor. Once taken the body takes a few hours to metabolize. When taken in moderate doses, caffeine has stimulating beneficial effects on the human body: it increases the ability to concentrate, memory and strange to say, even the state of mood.
These minerals: magnesium, potassium, phosphorus, calcium, sodium, iron, zinc, copper and manganese. The vitamins: vitamins B1, B2, B3, B5, B6, vitamin C in a small percentage, and vitamin K. The caffeine is present in the amount of 212 mg per 100 grams. of coffee. In its leaves is present as beta-carotene. Other substances contained in the coffee are methionine and asparagine which are two amino acids, phytosterols, terpenes, tannins, pectin and cellulose, which are dietary fiber and volatile oils. It also contains acids such as aspartic acid, citric acid, stearic acid, glutamic acid, linoleic acid, palmitic acid, oleic acid, caffeic acid, chlorogenic acid and the ‘oxalic acid. caffeine Curiosity Caffeine has stimulant properties that act on the nervous system by delaying the feeling of fatigue. For this reason it is “drug” call and is used, together with other substances with similar characteristics, in the composition of energy drinks.
The caffeine content in coffee drink form depends largely on the method of preparation: Espresso 110/150 mg Moka 90/130 mg American 70-90 mg Soluble 40/108 mg
According to experts the optimal consumption of caffeine per day is estimated to be about 200-300 mg, and then equal to three, four cups in 24 hours. The amount of caffeine in coffee varies greatly depending on the mixture that is chosen: in a mixture of 100% arabica we find an average of 1.5% of caffeine, while robust in a mixture of the salt amounts to 3%. Qualities currently marketed are two: Coffea canephora and Coffea arabica. It is said that the coffee stimulant properties, have been discovered for the first time by a Yemeni shepherd who watched the strange behavior excited and restless of his sheep after having consumed the berries. Always starting from the assumption that it is always best not to overdo it, experts suggest that the upper limit of coffee in the number of four cups a day, this limit is not exceeded. A study of women in the “pregnant” has revealed that an excessive intake during pregnancy may make the unborn child the same alcohol and smoke damage. For those who are afraid of getting fat remember that a cup of coffee brings only 1 calorie. Although the various machining steps drastically diminish the presence of antioxidant, up to 90%, the remaining quantities are still respectable. In 100 ml. Coffee there is a presence of 250 mg. of chlorogenic acids. Represents one of the most widely consumed beverages in the world, globally, the average per capita is 7 kg, while in Italy is about 6 kg. Please note that other foods and drinks in addition to coffee may contain caffeine, such as chocolate black tea, cola-based drinks and energy drinks. In addition, the caffeine is present in supplements in some pain medication and diet products.
Coffee and Contraindications
Who is usually abuse of daily coffee consumption may develop an addiction called ceffeinismo whose symptoms are very similar to those of anxiety attacks: nervousness, headaches due to abstinence, palpitations, insomnia, irritability and nervousness. As for pregnant women the question is a bit ‘controversial. It is known that high doses of coffee can cause serious problems to the fetus and it is suspected that two or three cups a day may increase to have a baby in the birth weight. For these reasons it is always best to consult a doctor about whether to drink a bit ‘of coffee during pregnancy. During lactation through milk, the mother moved caffeine to the child and, in high doses, can be harmful. Also in this case the medical consultation is needed. Coffee should not be drunk by those persons who have conditions which may be aggravated by its intake. It should not drink sufferers: Hypertension Insomnia Anxiety Stress Heart problems Ulcer liver problems
Every 100 grams. coffee you have a calorie intake of 2 calories.