According to the British ICO (International Coffee Organization) surveys per year in Taiwan, person consumes about 0.7 kg of coffee beans, a Japanese person consumes about 3.5 kg, the United States, the Italian is about 4.5 to 4.8 kg respectively. The figures show that the amount of coffee drinking in Taiwan also would have more rooms to grow, and many people's "coffee addiction" is getting heavier nowadays. The past about the health effects of coffee, stays in the cause palpitations, insomnia and other negative impression, but in fact, the health benefits of coffee is also a lot of research, more and more studies have shown that seemingly dark drink this cup , is not simple.
Passwords : Coffee is for health or Harmful?
Decoding : After another study found that coffee can reduce the Alzheimer's disease, senile dementia, Parkinson's disease risk, and can reduce the formation of gallstones or the occurrence of gout, and even prevention of dental caries.
Mid-May 2012, "New England Journal of Medicine" reported that day to drink 2-3 cups of coffee (with or without caffeine), the higher the chances of longevity, 10% higher chance of longevity for male drinking coffee than those who do not drink, women compared with 13%. However, this is the epidemiological statistical analysis of data collected 40 million people observed this phenomenon, but cannot say that drink 2 to 3 cups of coffee a day will be relatively long-lived, there is no kind of analysis shown which kind of coffee may take, a cup of latte or black coffee without sugar, creamer and so on.
In addition, Japan also has two research indicates that people who drink coffee have less cancer, but this is also the epidemiological statistics, can not prove a causal relationship between the two.
Of course, coffee is not without harm, may cause palpitations, gastritis, ulcers, reflux esophagitis, causing sleep disturbance, and with iron deficiency anemia, increased low-density lipoprotein cholesterol, high blood pressure, osteoporosis and so on.
Because coffee and health research innovation, not solely on a study on the set of coffee on health is positive or negative, standing medical professional standpoint, it is recommended people like to drink coffee, or moderate drinking, but not drink too much, because one does not have to Review findings on the "superstition" coffee efficacy; without those who like to drink coffee, do not force yourself to build drinking habits.
Password two : Coffee, in addition to caffeine, what else?
Decoding : Cup of aromatic black coffee, ingredients may not so simple, in addition to well known caffeine, there are many complex substances, summarized as follows:
Caffeine: Every 100 grams of coffee contains about 0.6-3.2%
Caffeine stimulates the central nervous system, cardiovascular, respiratory, gastrointestinal, muscle, etc., also cause cell metabolism rate.
Tannins: Every 100 grams of coffee contains about 9%
Tannic acid which is in grape juice and red wine are also some studies have shown that anti-virus and anti-bacterial function.
Fat: every 100 grams of coffee contains about 7.4-17%
Protein: every 100 grams of coffee contains about 12%
Carbohydrates: 100 grams of coffee contains about 60%
Moisture: beans contains about 11% water, but approximately 2.5% after roasting.
Trigonelline (trigonelline): for every 100 grams of coffee contains about 0.3-1.3%
This is the main source of bitter coffee, is one of a traditional Chinese medicine, is considered for the treatment of diabetes, studies have shown this compound to avoid bacterial adhesion to teeth, protect teeth against bacterial attack.
Other: Coffee and Vitamin B, a small amount of nicotinic acid and other ingredients.
Password three : Who does not fit to drink coffee?
Decoding : Have high blood pressure, ulcers or reflux esophagitis, heart disease, iron deficiency anemia or chronic insomnia is not suitable to drink coffee. In addition, for pregnant women, if drinking too much coffee (more than 5 cups), may increase the risk of miscarriage.
Password four : Coffee addictive?
Decoding : Strictly speaking, the word is not coffee addiction. Many people used to drink coffee every day, just because coffee can provide a warm feeling, a special flavor and slight refreshing effect, which defined the general psychiatric drug addiction (DSM -IVR) is not the same. Long-term consumption of coffee does not exhibit uncontrollable urge to drink some coffee. Using the "coffee dependence" of the word, may be more appropriate to describe this group of people.
However, people who once used to drink every day, suddenly stops drinking coffee, one may experience headaches, drowsiness, restless feeling, the mind is not clear, inability to concentrate and other phenomena, called caffeine withdrawal symptoms. Even a daily consumption of 100 mg of caffeine withdrawal syndrome may still occur. These symptoms usually stop drinking occurs after 12 to 24 hours, to 48 hours would be peaked, and in re-achieve remission after drinking. So, you want to reduce the reliance on coffee, you should gradually reduce caffeine intake, avoid withdrawal syndrome.
Password Five : Coffee contain harmful substances?
Decoding : The Department of Health will be set for a commercially available coffee products "ochratoxin A" (Ochratoxin A) residue standards, the latest announcement on the draft standard limit set 5ppb less.
What is ochratoxin A? Impact on the human body?
Ochratoxin is a certain fungi such as Aspergillus ochraceus by a toxin produced can be divided into A, B, C, D four kinds, of which the most toxic ochratoxin A, with renal toxicity, immunotoxicity, will lead to immune inhibition, prone to cause birth defects and cancer formation, they were classified as possible carcinogens. Mice was found in the diet by adding ochratoxin A, will lead to rat liver and kidneys cancer, but studies in humans are not many.
Including coffee beans, soybeans, peanuts, corn and other agricultural products and even medicine, if it is stored unconditionally with ocher Aspergillus contamination, may produce ochratoxin A, however, the Department of Health has been testing a commercially available wheat, rice and beans class products tested. This toxin is not high. Among them, the beans after baking, you can eliminate most of ochratoxin, but may still be a few remain. To avoid this problem, roasted coffee beans to be long enough, the temperature is high enough, and adopt vacuum sealed and clearly marked finished unpacking how long should eat in order to avoid ochratoxin drink sinks. After opening the coffee beans or ground coffee, the best kept sealed in a refrigerator safer.
Recommended intake of caffeine
Different temperature and brewing time will influence the concentration of caffeine. A simple rule of thumb is the longer brewing, extracted from the coffee powder in the coffee will be more, caffeine is also higher. DH reference to the EU data, recommended per person daily caffeine intake should not exceed 300 mg, and require operators must be clearly labeled caffeine and caffeine should not be included in nutrition labeling, so that consumers mistakenly Coffee due to nutrients.
Long-term borrowing coffee for refreshing, what side effects?
Each person reacts differently to caffeine, some people drink coffee may have sleep disorders, causing anxiety, or because caffeine caused vasoconstriction, increased blood pressure, heart rate and even arrhythmia; Caffeine also stimulates gastric acid secretion, resulting in reflux esophagitis. When one takes more than 500 milligrams of caffeine a day, prones to irritability, anxiety, irritability, palpitations, nausea, and increased urine poisoning phenomenon. Even have no such reaction, but refreshing drink coffee only an expedient measure, the fundamental issue should find out the reasons for fatigue, symptomatic treatment.
Coffee is apt to cause GERD do?
There are possible. GERD is acid reflux to the esophagus from the stomach to the throat symptoms include a burning sensation, foreign body sensation in the throat, easy to choke, cough, severe or even bleeding. Not only coffee, as long as caffeinated drinks, such as tea, cola, chocolate, soft drinks, etc., are likely to lead to reflux esophagitis. This is because the caffeine will reduce the lower esophageal sphincter pressure, once the sphincter to relax, and the food will cause a small amount of acid reflux into the esophagus. Plus, caffeine can promote gastric acid secretion, when the stomach is full of acid, and immediately lay down more easily lead to acid reflux.
In addition, caffeine can lead to γ-aminobutyric acid (GABA) reduce the effect, γ-aminobutyric acid in the body cope with stress, there will relieve pressure, gastrointestinal effects, but caffeine and γ-aminobutyric acid acid interactions and reduce its functionality. For these reasons, if they drink coffee by intestinal upset stomach will feel is not appropriate then drink coffee.
Coffee worry cause bone loss, so drink with milk latte or cappuccino is better?
Some observational studies have shown that ingestion of caffeinated beverages and reduced bone mineral density, increased fracture risk, so the elderly and postmenopausal women must avoid caffeine intake. However, although caffeine on intestinal calcium absorption with a weak inhibitory effect, but does not increase urinary calcium excretion; therefore coffee with milk, how much you can improve this problem.
drinking coffee can cure a headache?
caffeine and headaches associated with like a double-edged sword, although for some people, caffeine can alleviate the effects of a headache, but if the long-term, daily consumption of more than 500 milligrams of caffeine, once the sudden reduction or stop drinking, will lead to withdrawal of the syndrome and cause headaches, so best not to rely on caffeine to treat headaches.