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'<p><img src="https://gafei.com/uploadfile/ueditor/image/202506/17487570191cd777.jpg" title="浓缩油脂11" alt="浓缩油脂11"/></p><p><br/></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);">意式濃縮咖啡給人的大多數印象是又苦又澀,能出現這種情況的,很可能是製作的流程出現了問題。這時,就會有人問道前街咖啡,製作意式濃縮咖啡不是很簡單的事情嗎,只要是有手都能做的,不是嗎?well,不可否認,是的。但是並不是隨隨便便就能出一杯令人滿意的濃縮咖啡,裏面的學問可多了。接下來,前街咖啡就來跟你講講萃取一份意式濃縮咖啡都有些什麼學問。<br/> <br/><span style="color: rgb(0, 0, 0); font-size: 16px;"><strong>初代濃縮機</strong></span><br/>得益於歐洲工業革命的創新浪潮,由機器製作的初代濃縮咖啡在1901年左右誕生。濃縮機最初的概念是爲了快速地準備咖啡。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><img src="https://gafei.com/uploadfile/ueditor/image/202506/17487570381f9bee.jpg" title="意式浓缩fbac" alt="意式浓缩fbac"/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/>米蘭發明家路易吉·貝扎拉(Luigi Bezzara)註冊了一項機器專利,該機器具有多個獨立的衝煮頭,可以將裝有咖啡粉的把手裝在上面。這是第一次通過機器快速爲客人制作咖啡。而這項專利於1905年被德西德羅&middot;帕沃尼(Desidero Pavoni)買下,並投資生產了第一臺商用濃縮咖啡機:Ideale。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/>據前街咖啡翻閱資料瞭解,第一臺商用濃縮機的參數跟我們如今使用的可是有大大的區別。第一臺商用濃縮機的衝煮頭,溫度高達140℃,壓力7.5bar,萃取時間約爲45秒。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><img src="https://gafei.com/uploadfile/ueditor/image/202506/1748757071dfc477.jpg" title="意式浓缩6e21" alt="意式浓缩6e21"/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/>在這裏,前街要跟大家科普一下現代意式濃縮咖啡機的工作原理。以92攝氏度的熱水,藉由9bar高壓衝過研磨成很細的咖啡粉末來衝出咖啡。而意式濃縮咖啡剛萃取完出來的上面那層漂亮的油脂,則是由9bar的壓力壓出來的,而世界上第一臺商用濃縮機的壓力僅爲7.5bar,那就以爲着當年的濃縮咖啡,濃度和味道跟現代的滴漏咖啡接近。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/>隨着新機器的出現和普及,“espresso”一詞在1920年左右被收錄進意大利語詞典。詞典內的解釋是“濃縮咖啡,用加壓機或過濾器製成,現在很常見。”<br/> </span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><img src="https://gafei.com/uploadfile/ueditor/image/202506/17487571231849c0.png" title="咖啡机历史429" alt="咖啡机历史429"/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"> <br/><strong>現代濃縮機</strong><br/>上世紀3、40年代,意大利咖啡的消費量下降,但針對濃縮咖啡機的技術改進依舊進行。1947年,手動加壓意式咖啡機的出現,使咖啡粉中的油脂和膠質物質更多地萃取出來,自此,油脂成爲濃縮咖啡的靈魂所在。1961年,飛馬E61意式咖啡機發售。飛馬E61是世界上第一臺半自動機器,也是現代濃縮咖啡之父。<br/> <br/> <br/>講完它的歷史,接下來就跟大家說說前街怎麼製作一份意式濃縮咖啡了。<br/>前街使用的是Lelit V3濃縮咖啡機:<br/>溫度:90.5~96摄氏度<br/>時間:20~30 sec<br/>粉水比例:1:1.7~1:2<br/>粉量: 20g<br/>萃取濃縮量:20ml(單份)40ml(雙份)</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><img src="https://gafei.com/uploadfile/ueditor/image/202506/17487571990d5084.jpg" title="浓缩分流" alt="浓缩分流"/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);">第一步,打開研磨機,讓粉落到粉碗裏。根據粉碗的的容納量決定粉量。例如,前街選擇填充20克咖啡粉爲標準,那麼每次的萃取都應該保持20克咖啡粉(精確到0.1克)。<br/><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);">第二步,布粉。在咖啡粉研磨好之後,將咖啡粉手動打入粉碗內並使其均勻分佈的過程。<br/>布粉的最終目的,就是要在壓粉前將咖啡均勻地布在整個粉碗中,不僅是表面的平整,在粉碗內部和邊緣也要均勻無空隙。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"> <img src="https://gafei.com/uploadfile/ueditor/image/202506/17487571459f264b.jpg" title="布粉48e" alt="布粉48e"/></span></p><p><br/><span style="color: rgb(0, 0, 0);"><strong><span style="font-size: 14px; color: rgb(0, 0, 0);">第三步,將粉碗扣上去,然後開始萃取。</span></strong><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/> <br/> <br/>看起來是不是很簡單。先別急,裏面大有學問。有九個因素能夠影響到一杯意式濃縮咖啡的味道。<br/> <br/>【水壓】<br/> </span></span></p><p></p><p><br/><span style="font-size: 14px; color: rgb(0, 0, 0);">前街咖啡一直都有說萃取一杯意式濃縮咖啡的原理。 Espresso理想水壓一般在9 BAR,這也是大家公認的最理想的氣壓。<br/> <br/> <br/>【鍋爐壓力】<br/> <br/>鍋爐壓力關係到製作咖啡的水溫和蒸汽的衝力大小。鍋爐壓力越高,則水溫越高,且蒸汽的衝力也更大;反之則水溫更低,蒸汽也會變小。鍋爐壓力一般在1 BAR左右,當然這個數值目前依然存在很多爭議,每位咖啡師的理解都不一樣。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><img src="https://gafei.com/uploadfile/ueditor/image/202506/1748757103891f74.jpg" title="咖啡机压力表fa5" alt="咖啡机压力表fa5" style="text-wrap-mode: wrap;"/> <br/> <br/>【水溫】<br/> <br/>水溫需要根據不同咖啡豆的品種需求而定,有些會受制於鍋爐壓力,有些則較靈活的精確設置。根據大多數咖啡師的經驗,水溫在90至92攝氏度之間,每位咖啡師都可以根據自己的理解和需求進行靈活的調整,可以通過自己的雙手做屬於自己風格的Espresso。<br/> <br/> <br/>【填壓力量】</span><span style="color: rgb(0, 0, 0);"> </span></p><p><br/><span style="font-size: 14px; color: rgb(0, 0, 0);">填壓有各種風格的填壓,這個世界幾乎沒有兩個人的填壓會是一摸一樣的,一般而言如果是重壓,要求的壓力會是25kg/m2這樣的壓力,但填壓確實是黃金規則中最最自由的一項參數。因爲我們使用的是定壓粉錘,壓粉力度基本一致。<br/> <br/> <br/>【咖啡豆研磨粗細】<br/> <br/>研磨粗細會和氣候、咖啡豆烘焙度、新鮮度、溼度、磨豆機的新舊等諸多因素有關,行內一直流傳着一句話:“正確的是研磨粗細一隻在變,錯誤的是研磨的一成不變”。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><img src="https://gafei.com/uploadfile/ueditor/image/202506/1748757218153b85.jpg" title="意式咖啡研磨b7" alt="意式咖啡研磨b7"/> <br/> <br/>【粉量】<br/><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);">前街咖啡的粉碗尺寸的合理容量是在20克。若粉量少了,萃取時間過段,容易造成萃取不足;若粉量多了,除了會裝不下之外,即使裝得下,粉碗的體積就那麼大,粉壓實後,顆粒之間的空隙減少,水流出的速度就慢了,萃取時間過長,從而導致過度萃取。<br/> <br/> <br/>【萃取時間】</span></p><p><span style="color: rgb(0, 0, 0);"> <span style="font-size: 14px; color: rgb(0, 0, 0);"></span></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);">黃金規則的萃取時間規定在25——28秒之間,但萃取時間其實是填壓、粉量和研磨度的綜合表現,需要靠咖啡師對於的理解進行調節。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><img src="https://gafei.com/uploadfile/ueditor/image/202506/1748757240046f76.jpg" title="意式 手柄8bfb84" alt="意式 手柄8bfb84"/> <br/>【萃取量】<br/> <br/>以前街咖啡萃取濃縮咖啡爲例,20克的咖啡粉萃取出40克的濃縮咖啡液,粉液比爲1:2。比例並不是絕對的,具體要視乎當初的風味決定的。如果萃取更多的咖啡液,那麼咖啡會表現爲偏薄,苦味更明顯。如果萃取更少的咖啡液,那麼咖啡會表現爲粘稠,濃郁,味道更集中且不完整。</span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><br/></span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);"><img src="https://gafei.com/uploadfile/ueditor/image/202506/1748757253eadffd.jpg" title="意式浓缩油脂9e540" alt="意式浓缩油脂9e540"/> <br/> <br/>【油脂】<br/> </span></p><p><span style="font-size: 14px; color: rgb(0, 0, 0);">咖啡油脂的複雜不是三言兩語能說清的,簡單而言就是需要有豐厚而呈金黃色偏褐色的油脂纔是一杯好的Espresso。而前街覺得Crema對一杯濃縮咖啡來說有着不可替代的地位。作爲符號,它標識着一杯濃縮咖啡的特徵,一杯好喝的濃縮咖啡其Crema的賣相也佔據一個評判因素。而油脂的狀態也告訴咖啡師這杯咖啡萃取的效果如何,例如豆子、新鮮度、烘焙度、研磨度等都會產生不同狀態的油脂。<br/> <br/><br/></span></p>' |
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'field' =>
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