Coffee roasting (coffee roasting) means that through heating raw beans, starch in raw beans is converted into sugars and acids at high temperature, substances such as cellulose will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.
2015-01-08 Boutique coffee baking technology process hair raw response changeCoffee color change factors: coffee beans are light green, roasted will turn brown. This baking characteristic brown mainly comes from the brown pigment produced by oligosaccharins, amino acids and chlorogenic acids. The so-called brown pigment does not refer to a color or ingredient, but a general term for the many ingredients that make coffee different colors. Raw beans will gradually change color during baking.
2015-12-21 Coffee beans roasted medium change after why turn brown aroma coffeeCoffee roasting curve with the rapid heating of coffee beans in the roasting process, water begins to escape from the bean surface and evaporate. The escape rate depends on temperature, bean quantity, bean density and air circulation, while the standard rate of a normal roaster is 5-7 minutes when the water content of coffee beans is reduced from 11% to 2%. Coffee beans at the initial stage of roasting sometimes turn a little white or milky white, and then
2016-10-20 How understand coffee baking curve buck introductionCoffee has a rich, wide range of flavors. Coffee produced in different regions, different elevations, different climates and different producing areas has its own unique characteristics. Raw beans are fragrant and have no usual coffee taste at all; the taste of coffee comes from proper roasting. Show fruity (light roasting) or caramel sweetness (deep roasting). The lighter the baking, the more sour it tastes. Baking.
2014-11-14 Coffee knowledge coffee technology coffee roasting chemical reactionThe common side effects and allergic reactions are skin eczema, urticaria or xanthine structural asthma, and pleomorphic erythema-like drug eruption. People with high allergies often experience sudden restlessness, loss of consciousness, cyanosis in the lips, and then respiratory and heartbeat arrest during the injection. Drug overdose poisoning is more common in children with overdose or misuse, exceeding the maximum treatment dose (6mg/Kg/ times), early stage
2014-10-18 Coffee knowledge coffee health caffeineA few days ago, a post was forwarded crazily by netizens: I received a phone call from my mother in the morning and my brother died of a heart attack the night before last. At the same time of grief, I hope you know that drinking alcohol during taking anti-inflammatory drugs can cause fatal adverse reactions. Pharmaceutical experts remind you: if you use anti-inflammatory drugs, don't drink alcohol for a week. When alcohol enters the body, it is first treated with oxygen by ethanol dehydrogenase in hepatocytes.
2015-06-25 Experts tips take anti-inflammatory drugs one week not suitable drinking coffee a few days ago aChapter 2: chemical substances of raw beans author: Scott Rao translator: Huaxia coffee raw beans are strong and green seeds, 50% of which are different forms of carbohydrates, and the other 50% are composed of water, proteins, lipids, acids, and various biological bases. Coffee roasters can bake good coffee without knowing the many chemicals in raw beans, but
2016-04-28 Coffee roaster companions raw beans chemicals substances coffee beans institutions changes chapter 2Coffee has a rich, wide range of flavors. Coffee produced in different regions, different elevations, different climates and different producing areas has its own unique characteristics. Raw beans are fragrant and have no usual coffee taste at all; the taste of coffee comes from proper roasting. Show fruity (light roasting) or caramel sweetness (deep roasting). The lighter the baking, the more sour it tastes. Baking.
2014-08-06 Coffee roasted medium chemical reflective coffee owned rich extensive variableThe common side effects and allergic reactions are skin eczema, urticaria or xanthine structural asthma, and pleomorphic erythema-like drug eruption.
2014-07-12 Coffee knowledge caffeine allergy coffee encyclopediaOnce the coffee seed is planted, no one can change its final quality. However, the color, aroma, bioactive components and health characteristics of coffee are related to the roasting process. During the roasting process, coffee is heated at 190-220 degrees for 7-20 minutes, which helps to bake out its aroma and good taste, and helps to form lactone, nicotinic acid and resistance.
2015-01-08 Boutique coffee common sense baking steps process reaction onceCoffee has a rich, wide range of flavors. Coffee produced in different regions, different elevations, different climates and different producing areas has its own unique characteristics. Raw beans are fragrant and have no usual coffee taste at all; the taste of coffee comes from proper roasting. Show fruity (light roasting) or caramel sweetness (deep roasting). The lighter the baking, the more sour it tastes. Baking.
2015-03-25 Boutique coffee roasting medium chemistry reflection owned rich extensiveCoffee has a wide variety of flavors. Different regions, different altitudes, different climates, different origins of coffee production have their own unique characteristics, green beans are fresh and completely without the usual coffee taste; coffee taste comes from proper roasting, showing fruity (medium light roast) or caramel sweet (deep roast). The lighter the roast, the more sour the taste.
2015-05-12 coffee basics common sense roasting medium chemistry reflection possession richnessCoffee has a rich, wide range of flavors. Coffee produced in different regions, different elevations, different climates and different producing areas has its own unique characteristics. Raw beans are fragrant and have no usual coffee taste at all; the taste of coffee comes from proper roasting. Show fruity (light roasting) or caramel sweetness (deep roasting). The lighter the baking, the more sour it tastes. Baking.
2014-12-17 Boutique coffee baking common sense coffee beans medium chemistry reflection owningDifferent people and different bodies have different responses to coffee, and the human body has a wide range of responses to food and drinks (including coffee). There are different conditions at different times, and a few people do suffer from insomnia, tension, gastrointestinal discomfort, palpitations and other reactions after drinking one or two cups of coffee. Only about 1% of drinkers will have these reactions, but there is no certainty.
2015-03-05 Coffee knowledge human body what influence difference physique coffee reaction inconsistencyCaramelization reaction After drinking coffee, the dried coffee stains at the bottom of the cup are arranged into interesting patterns. Suddenly, a sweet smell of caramel flashes. Smell carefully. The sweet caramel taste actually comes from the bottom of the cup. Why does it have caramel sweetness? Later, it was discovered that black coffee itself is really sweet, especially caramel sweet most obvious! But the sweetness of each coffee
2016-06-08 coffee beans flavor robbs booth press pot size saccharification reaction finishGreen beans change color continuously during baking, depending on the amount of brown pigment and the size of the molecule. Brown pigments can be classified according to molecular size. Light baking mostly produces small molecular pigments. As the baking degree deepens, the total amount of pigments increases, and the proportion of large molecular pigments increases. Lightly roasted coffee beans mostly contain yellow
2016-07-11 light roast coffee beans coffee bitterness green beans supplier cafe ItalianGrowing environment: coffee grows in a treeless climate with medium rainfall and plenty of sunshine. The main coffee growing regions in the world are the Americas, Africa, the Arab region and Indonesia. Coffee is grown in about 80 countries in these regions. The fruit of the coffee tree will show a bright red when it is ripe, which is generally called coffee cherry.
2016-06-08 Coffee growth environment roasting saccharification reaction coffee requirementsThe heat of shallow roasting is mild, because the sour aroma of flowers and fruits is most preserved by fermentation, so it is easy to smell the sour aroma of coffee. If the baking continues, that is, from the end of the first explosion to the middle baking before the second explosion, or even the medium and deep baking from the first explosion to the second explosion, most of the sour aroma of the fermentation catalysis has been broken up, instead of the taste spectrum of the sugar browning reaction (Sugar Browning) and Mena reaction.
2016-06-03 Not suitable for drinking roasting coffee degree light roasting heat mild because fermentationCoffee has a rich, wide range of flavors. Coffee produced in different regions, different elevations, different climates and different producing areas has its own unique characteristics. Raw beans are fragrant and have no usual coffee taste at all; the taste of coffee comes from proper roasting. Show fruity (light roasting) or caramel sweetness (deep roasting). The lighter the baking, the more sour it tastes. Baking.
2015-06-08 Coffee beans basics common sense coffee roasting medium chemistry reflection ownershipBoutique coffee is fresh coffee. Whether it's food or drink, of course, the fresh the better, and so is boutique coffee. High-quality coffee should keep the coffee beans fresh before making, including the preservation of baked beans, and grind the coffee beans into powder before making, which is also to retain its original and best flavor. And the way of making hand-made coffee is such a way to make high-quality coffee.
2016-06-27 Rabbi Robes Booth Bean growing roasting caffeine Rudd response Saccharification Anti-