大豆的儲藏技術
(一) 儲藏特性
dadouyoujiaohuangdou,shiwoguozhuyaodeyouliaozuowuzhiyi,dadouhanyoufengfudedanbaizhihezhifang,zhifangbuxishui,zilizhongdeshuifendoujizhongzaifeizhifangbufen,yincizaitongyangshuifenxia,dadouzhongfeizhifangbufendehanshuiliangbiyibanheguleiliangshidexiangduiyaogao,jiazhedanbaizhishiyizhongqinshuiwuzhi,zaichaoshidehuanjingxiajiyixishui,dadouzhongpideyakongjiaoda,zaixiangduishidujiaogaoshi,dadouyouxishixingbiyumi、小麥都強,平衡水分也比玉米、小xiao麥mai高gao,所suo以yi大da豆dou保bao管guan,要yao特te別bie注zhu意yi防fang潮chao。特te別bie是shi過guo夏xia時shi,大da豆dou更geng容rong易yi喪sang失shi發fa芽ya率lv,水shui分fen愈yu高gao,溫wen度du越yue高gao,發fa芽ya率lv喪sang失shi得de就jiu越yue快kuai。在zai高gao溫wen下xia儲chu藏zang大da豆dou能neng引yin起qi大da豆dou變bian色se,在zai靠kao臍qi的de部bu位wei顏yan色se變bian紅hong,之zhi後hou紅hong色se變bian深shen和he擴kuo大da,一yi般ban叫jiao作zuo"紅眼"或赤變,並且會產生"走油",子葉變得蠟狀透明。變色和走油的大豆,出油率減少,如做豆腐則有酸敗味。
大豆種皮緊硬,光滑,一般在儲藏中不易長蟲,對黴菌也有較強的抵抗力。
(二) 儲藏技術
chuzangdadouzaiguanjianshiyaozhuaganzaohediwen。jiangdidadoudehanshuiliang,shidadouanquanchuzangdezhongzhongzhizhong。yibanguoxiachangqichuzangzaidadou,huabeidiquqishuifenyaokongzhizai12%以內,黑龍江控製在13%以內,超過這個水分則容易發黴,並且有黴孌的危險。
大(da)豆(dou)水(shui)分(fen)高(gao)時(shi)可(ke)以(yi)用(yong)日(ri)曬(shai)來(lai)降(jiang)水(shui),但(dan)最(zui)好(hao)采(cai)取(qu)低(di)溫(wen)攤(tan)晾(liang),或(huo)春(chun)秋(qiu)日(ri)光(guang)不(bu)太(tai)強(qiang)的(de)情(qing)況(kuang)下(xia)晾(liang)曬(shai)。如(ru)日(ri)光(guang)較(jiao)強(qiang),在(zai)曬(shai)糧(liang)麵(mian)上(shang)可(ke)覆(fu)蓋(gai)一(yi)層(ceng)席(xi)子(zi),以(yi)免(mian)影(ying)響(xiang)品(pin)質(zhi)。
新(xin)收(shou)獲(huo)大(da)豆(dou)有(you)後(hou)熟(shu)作(zuo)用(yong),生(sheng)理(li)活(huo)動(dong)比(bi)較(jiao)旺(wang)盛(sheng),糧(liang)堆(dui)內(nei)部(bu)濕(shi)熱(re)容(rong)易(yi)積(ji)集(ji),同(tong)時(shi)正(zheng)值(zhi)氣(qi)溫(wen)下(xia)降(jiang)季(ji)節(jie),極(ji)易(yi)產(chan)生(sheng)結(jie)露(lu)或(huo)不(bu)分(fen)轉(zhuan)移(yi)的(de)現(xian)象(xiang),所(suo)以(yi)應(ying)加(jia)強(qiang)通(tong)風(feng),及(ji)時(shi)散(san)發(fa)濕(shi)熱(re),防(fang)止(zhi)造(zao)成(cheng)發(fa)熱(re)黴(mei)變(bian)。為(wei)了(le)達(da)到(dao)安(an)全(quan)儲(chu)藏(zang)的(de)要(yao)求(qiu),最(zui)好(hao)能(neng)在(zai)入(ru)庫(ku)20-30天左右後出風或倒倉,並結合過篩除雜一次,以提高儲藏穩定性。
dadouyicaiyongdiwenmibichuzang。jiangfuheanquanshuifenbiaozhundedadou,zaidongjiqihouganzaohediwentiaojianxia,duiqiduifengbingjiehechuza,jiangdadouwendujiangdihouzairukuchuzang,bingyagaimibiyibaochiqidiwenzhuangtai。zheyangnengfangzhidadoudexishizengshui、走油和赤變。
大da豆dou的de幹gan燥zao還hai可ke采cai取qu帶dai莢jia曬shai幹gan,脫tuo粒li後hou再zai進jin一yi步bu曬shai幹gan的de方fang法fa,它ta有you利li於yu保bao護hu大da豆dou光guang澤ze,也ye可ke防fang止zhi或huo減jian輕qing大da豆dou走zou油you。大da豆dou也ye可ke采cai用yong烘hong幹gan降jiang水shui的de方fang法fa幹gan燥zao,但dan烘hong幹gan易yi使shi大da豆dou產chan生sheng焦jiao斑ban、破皮或光澤減退,大豆烘幹溫度不宜過高(一般低於600C),否則易引起蛋白質變性。http://98fo.cn



