Each coffee bean contains about 200000 individual cells, each of which operates like a tiny pressure vessel, like a small reaction device. In the early stage of roasting, the moisture in the raw beans dissipates quickly, and the living water in the coffee begins to evaporate. With the increase of the temperature of coffee beans, the evaporation of water will put pressure on the cell wall. In this process, water plays a leading role, and the oil in coffee.
2016-07-20 Coffee roasting beans importance coffee powder boutique coffee beans eachCoffee has deeply affected the Chinese way of life. It is a refreshing drink, a symbol of romance, and even for some people, it is as important as three meals a day. Starbucks Minister he Yifei will tell us how to make a perfect cup of coffee by hand. [step] 1. Put the filter paper into the filter cup, and the filter paper is attached to the cup wall. two。 Warm the cup wall, soak the filter paper and
2015-11-03 Hand brew coffee fresh nostrils beautiful a day start already deepLet me explain a little bit now that this is actually related to the problem of uniform extraction. But before I begin, I want you to refer to my previous diary about powder pressing. (http://www.douban.com/note/177204875/) I took great pains to mention the extract in the extraction article.
2016-04-27 Italian coffee powder attention matters how concentrateI thought it had been described in my early diary, but later I found that it seemed simple and clear. I was negligent. Yes, it's easy to explain the problem. But I like the way this friend asks questions, because he mentioned in his email that many authoritative baristas suggested not to do so, but I don't know why. Let me explain a little bit now that this is actually related to the uniform extraction.
2014-10-14 Coffee knowledge coffee brewing coffee technology coffee powderKenya round beans: 13 grams, cup baking degree (belongs to 1 burst beans); 93 degrees water temperature (cooling by changing pots, cold water to hot water loss is 2%); powder-to-water ratio is 1VR 16.66; after grinding, it is corrected by No. 20 screen. Water consumption: conversion according to the ratio of gouache: 13g x 16.66mm 216.58g; change to 93 degrees hot water: 216.58 X 0.98g (1-0.02g) = 212.25 g, the total water is 212.25 g, in
2015-09-01 Kenya coffee round bean hand brewing pot making experience hand brewing processIrish Coffee Ingredients: Hot Coffee 7 Minutes Full Whipped Cream 1 Bag Whisky 1/2 Ounce Colorful Rice A Little Preparation Method: Remove Irish grill, put 1 bag of sugar in Irish glass, 1/2 Ounce Whisky; then rotate roast glass until sugar adheres evenly to glass wall. Light the spirit lamp, place the Irish glass on the grill, light the whiskey in the Irish glass, and spin.
2015-05-25 fancy coffee method of making Ireland ingredients 7 minutes full milkIrish Coffee Ingredients: Hot Coffee 7 Minutes Full Whipped Cream 1 Bag Whisky 1/2 Ounce Colorful Rice A Little Preparation Method: Remove Irish grill, put 1 bag of sugar in Irish glass, 1/2 Ounce Whisky; then rotate roast glass until sugar adheres evenly to glass wall. Light the spirit lamp, place the Irish glass on the grill, light the whiskey in the Irish glass, and spin.
2014-07-15 fancy hot coffee hot coffee fancy coffee makingIrish coffee ingredients: hot coffee 7 full of whipped cream sugar bag 1 bag of whisky 1 ounce of whisky 1 ounce of colorful rice method: first take out the Irish grill, put 1 bag of sugar in the Irish cup, 1 ounce of whiskey, then rotate the baking cup so that the sugar is evenly attached to the cup wall. Light the alcohol lamp, put the Irish cup on the grill, then light the whisky in the Irish cup and spin.
2015-02-28 Fancy Coffee making method Common sense Ireland ingredients 7 points full CreamIrish coffee ingredients: hot coffee 7 full of whipped cream sugar bag 1 bag of whisky 1 ounce of whisky 1 ounce of colorful rice method: first take out the Irish grill, put 1 bag of sugar in the Irish cup, 1 ounce of whiskey, then rotate the baking cup so that the sugar is evenly attached to the cup wall. Light the alcohol lamp, put the Irish cup on the grill, then light the whisky in the Irish cup and spin.
2014-12-04 Winter cafes menus fancy styles coffee production methods Ireland ingredientsOn September 1, the first China Medical Materials Association Health Bank Guangdong Station came to Zhongshan Zhongzhi Pharmaceutical Group, the second destination of the trip. In a short period of two days, 10 editors from 8 media across the country visited Zhongshan Zhongzhi Pharmaceutical headquarters, Zhongshan Zhongzhi University Pharmacy headquarters and the national key research laboratory of broken wall slices. The media praised the free delivery of medicine at Zhongzhi University Pharmacy on the afternoon of September 1.
2016-09-18 Health care yes coffee the same convenientWhen steaming, the range is limited to the size of a fifty-cent coin, mainly because the powder layer in the middle is the thickest, so it is necessary to ensure that the particles can eat hot water evenly, and the next amount of water should not be too much. because at this time, it is necessary to maintain the area of adding water in the original steaming range, and also inject the water column from the middle, slowly.
2023-06-15 What hand flushing step coffee extractionFounded by Wouter Strietman and made in the Netherlands, the Stiretman ES3 household wall-mounted pulling machine has an open boiler design and detachable piston technology, which makes maintenance easy, heating water with electricity and setting water temperature with an adjustable thermostat.
2014-07-25 Coffee supplies wall-mounted coffee machine coffee machineI have been using the central water injection method since I touched the hand, that is, I only inject water in the center without spreading it, and a small hole will be formed after extraction.
2014-07-23 Coffee knowledge hand brewing coffee hand brewing technology central water injection-1-Wall-mounted coffee machine there are many kinds of coffee machines on the market, among which the ES3 Espresso coffee maker brought by STRIETMAN recently is very interesting. It is small and exquisite, and for wall-mounted design, you only need to pour in water and coffee powder in order, wait for the built-in heater to heat, press the handle, and a cup of Espresso can be enjoyed. -2.-caffeine spray
2015-05-27 Coffee five latest design product brain open wall-mounted coffee maker noodleMany friends feel that the central water injection method may not be able to extract completely, but my feeling is that the central water injection can extract completely, but the immersion method will be lighter.
2014-07-10 Coffee by hand coffee by hand coffee by hand.Is the freshly baked coffee the best? Can we make a good cup of coffee from freshly roasted coffee beans? Our opinion is that it is best to wait more than 6 hours for coffee extracted without pressure apparatus (single coffee of origin) (cup test requires 8-12 hours), while for Espresso coffee it takes more than 5 days. The exhaust effect of coffee beans began only 3 hours after the completion of baking and did not release any.
2016-10-17 Coffee beans roasting astringency bean cultivation importance introduction1. Siphon coffee is best made without hot water or boiled water, because the more dissolved oxygen in the water (there is almost no dissolved oxygen in hot and boiled water) and the higher the hardness of calcium and magnesium ions in the water (calcium and magnesium ions, not copper, iron, lead and mercury ions), the deeper the metasomatism replacement reaction between water and the good substances in coffee powder, the easier it is to replace the good taste. I added a high calcium and magnesium ion here.
2014-08-05 Coffee knowledge siphon pot coffee encyclopedia1. Siphon coffee is best made without hot water or boiled water, because the more dissolved oxygen in the water (there is almost no dissolved oxygen in hot and boiled water) and the higher the hardness of calcium and magnesium ions in the water (calcium and magnesium ions, not copper, iron, lead and mercury ions), the deeper the metasomatism replacement reaction between water and the good substances in coffee powder, the easier it is to replace the good taste. I added a high calcium and magnesium ion here.
2015-07-29 How a cup delicious siphon coffeeFirst of all, we need to make two points clear: 1. The coffee powder in the cup is actually honeycomb, and the water can pass through the coffee powder because of the honeycomb gap. Thus, the hand flushing technique to extract the water-soluble substance from the coffee is to inject water into the center. 2. The taste of the coffee depends on the soaking time. The taste of the coffee depends on the soaking process of the coffee powder in the water, that is, the coffee powder is fully soaked and the taste is strong.
2016-07-12 Hand flushing manipulation center water injection soaking time brewing taste coffee takeNostalgia is in vogue now, and some people just want to experience how ancient people drank coffee.
2014-05-23 Coffee news coffee knowledge wall-mounted coffee machine