啤酒中常用的麥芽有很多種，包括國產(chǎn)麥芽和進(jìn)口麥芽。國內(nèi)麥芽分為一級麥芽和二級麥芽。進(jìn)口麥芽主要是小麥。作為啤酒釀造的主要原料，如何判斷其品質(zhì)?，小麥的外觀是閃亮的，純淡黃色，帶有麥草的清香，種子飽滿而整齊，皮薄，有細(xì)紋。
There are many kinds of malt commonly used in beer, including domestic malt and imported malt. Domestic malt is divided into primary malt and secondary malt. The imported malt is mainly wheat. As the main raw material of beer brewing, how to judge its quality? First of all, the appearance of wheat is shiny, pure light yellow, with the fragrance of wheat grass, full and tidy seeds, thin skin, fine lines.
自動售酒機(jī)廠家告訴您釀造用大麥的要求有哪些?
What are the requirements of barley for brewing?
大麥
barley
第二:體格檢查
Second: physical examination
(1)千粒重35 ~ 45g。
(1) 1000 grain weight 35 ~ 45g.
(2)大于2.5mm的麥粒為一級大麥，2.2-2.5mm的麥粒為二級大麥。初級和次級大麥都可以用作釀酒原料。下腹部直徑2.2毫米是二次大麥，不用于釀造。
(2) the grain larger than 2.5mm is the first grade barley, and the grain 2.2-2.5mm is the second grade barley. Both primary and secondary barley can be used as brewing materials. The lower abdomen, 2.2 mm in diameter, is secondary barley and is not used for brewing.
(3)胚乳狀態(tài):胚乳切片為粉狀白色質(zhì)粒，淀粉含量高，吸水性好，易分解。胚乳部分為玻璃體或半玻璃體，吸水差，淀粉不易分解。
(3) endosperm state: the endosperm section is powdery white plasmid with high starch content, good water absorption and easy decomposition. Endosperm part is vitreous or semivitreous, poor water absorption, starch is not easy to decompose.
(4)發(fā)芽力和發(fā)芽率發(fā)芽率是指3天內(nèi)發(fā)芽的百分率，要求不低于90%。發(fā)芽率是指5天內(nèi)發(fā)芽的百分率，要求不低于95%。
(4) germination power and germination rate germination rate refers to the percentage of germination within 3 days, which shall not be less than 90%. Germination rate refers to the percentage of germination within 5 days, which shall not be less than 95%.
:化學(xué)測試
Last: chemical test
(1)大麥含水率應(yīng)小于13%，否則難以貯存。
(1) the moisture content of barley should be less than 13%, otherwise it is difficult to store.
(2)提取物的質(zhì)量分?jǐn)?shù)一般要求在72% ~ 80%(干物質(zhì)計數(shù))以上，與淀粉的質(zhì)量分?jǐn)?shù)相差約14.7%。
(2) the mass fraction of the extract should be over 72% - 80% (dry matter count), which is about 14.7% different from that of the starch.
(3)蛋白質(zhì)的質(zhì)量分?jǐn)?shù)一般要求為9% ~ 12%(干物質(zhì))，輔料用量可達(dá)13.5%。
(3) the content of protein is 9% - 12% (absolute dry matter), and the dosage of excipients is 13.5%.
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自動售酒機(jī) 2024-07-25 
