推荐回答(3个)
制作豆腐干放一些干燥剂是能保水分的,但是一定要少放食量放。
豆腐干制作方法
工艺流程:点浆→胀浆→上板→压榨→切块→半成品
点浆:采用盐卤点浆,浓度比做豆腐时使用的盐卤水浓度高2度,其用量为5%,点浆方法与北豆腐相似。但点浆速度要比北豆腐快,这样形成的豆脑大,保水性差,有利于压制和提高豆干白坯的硬度。点浆时豆浆的温度为75~80℃。
胀浆:点浆后需胀浆8~10分钟,用葫芦在缸内翻动3次,这样黄浆水就会浮在表层,待再胀浆5分钟后,用吸水管把黄浆水吸出,当豆脑露出后即停止吸水。
上板:豆干的压制,是用50厘米X50厘米X2.5厘米的方木板。上板时在木板上放一个45厘米见方的木框,木框高5厘米,木框上铺一块80厘米见方的豆包布。豆包布四角对准木框的四边,并把布压到木框底部,然后用葫芦瓢将豆脑舀到模子里,用一竹板把豆脑摊平充满四角,把豆包布封好取出模型框,即上好一板。如此操作数板后,将一缸内的豆脑全部上完,再将上好的板搬到压榨器上压制。
压榨:将浇好的豆腐脑移入液压榨床或机械榨床的榨位上压榨。开始3~4分钟内,压力不宜太大,待豆腐泔水适当排出、豆腐干表面略有结皮时,再逐渐增加压力。最后紧压约15分钟,到豆腐干的含水量基本达到质量要求时,即可放压脱榨。如果开始受压太大,会使豆腐干的表面过早结皮,影响内部水分的排泄,从而使产品含水量过多。
切块:各种不同的产品,有不同的规格,按照产品的需要将豆干白坯切成不同块形。切块方法有手工切制和机器切制两种。手工切制要求切得整齐,不连刀,切制后翻倒在半成品箱内,准备再加工。
规格质量:表皮光洁,豆香味浓,入口软糯,每块重65~75克。四角方整,厚薄均匀。水分不超过75%,蛋白质不低于16%,砷、铅、添加剂和微生物等指标同豆腐。
商品保养:豆腐干须盛放在透气的竹匾中,堆时应按顺序排放,乱堆乱叠容易变质变形。当天销售不完的商品,为防止变质,可放在开水里煮沸,以延长保存期。
白豆腐干制作方法 产品名称: 白豆腐干
加工工艺:
泡豆→磨浆→滤浆→煮浆→点浆→成型→压榨→切干(或包干)
加工这类产品时应该注意:
1. 豆浆浓度较稀,豆浆中的大豆蛋白比较分散,成形压榨时豆浆清水易析出。
2. 点浆时凝固作用又快又强,使大豆蛋白凝聚体的胶粒粗,网络紧密。
3. 在压榨时,加压要重,析出的清水较多,使豆制品品质硬实并有较强的韧性。生产中保温应适当,过高过低都易使凝胶软弱或不成交联,使制品碎裂、粘合,甚至不能成型。
4. 成型后必需冷却,使凝胶组织稳定,豆制品才能定型。
生产要点:
1. 浸泡大豆至煮浆工序与北豆腐基本相同。但在滤浆工序中,添加60℃温水的量比北豆腐多。不论滤浆几次,添加温水的总量为干豆重量的4倍。浆水搅拌均匀后再滤浆。
2. 每100公斤大豆磨出的豆浆,点脑时需要盐卤3公斤(先用10公斤冷水调制成卤水)。点卤时卤水应以细流加入,同时使浆液(品温以75-80℃为宜)上下翻滚,使卤水与浆水均匀混合,但不宜过猛翻动。当浆成脑后约需蹲脑10分钟。
3. 成型前,先将模型放在榨盘上,铺置包布后,再将豆腐脑均匀摊在包布上,然后将包布四角叠起来包好。上面再放一层木板和模型,按同样方法将豆腐脑包完。
4. 将模型放稳,压榨20分钟,除去大量水分,成大块白豆干。然后将豆腐干用板尺切成6.5×6.5×1.2厘米规格的小块,即白豆腐干。
这些都是覆盖能放什么?能够保水分这个我不怎么清楚,网上一个详细信息
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