最近英國推出利用海藻糖保存食品的新技術。英國農業、漁業和糧食部門經過相當長時間試驗之後,已正式批準使用這一新技術。
haizaotang,youchengjiaomutang,shiyizhongdantang,youlianggeputaotangfenzizhanjiezuheercheng。kexuejiayijingzaijiaomuzhongfaxianhetiquchuzhezhongtang。tadezhongyaotedianshi,jikeyifangzhishipinfulan變質,又可以保鮮,並且設備簡單,使用方便,在保存時間上可以大大延長。
現在普遍使用的保存食品方法,是冷凍或者使食品脫水(烘幹或曬幹)後加以密封等。這些方法會對食品造成損害。如色澤消失、味道改變、肉類幹硬變質、維(wei)生(sheng)素(su)被(bei)破(po)壞(huai)等(deng),而(er)且(qie)保(bao)存(cun)期(qi)很(hen)有(you)限(xian),時(shi)間(jian)一(yi)長(chang)會(hui)腐(fu)爛(lan)發(fa)黴(mei)。用(yong)海(hai)藻(zao)糖(tang)保(bao)存(cun)食(shi)品(pin),上(shang)述(shu)一(yi)切(qie)問(wen)題(ti)都(dou)能(neng)獲(huo)得(de)圓(yuan)滿(man)解(jie)決(jue)。同(tong)時(shi)加(jia)工(gong)程(cheng)度(du)也(ye)簡(jian)單(dan)得(de)多(duo),隻(zhi)要(yao)將(jiang)剛(gang)收(shou)獲(huo)的(de)各(ge)種(zhong)食(shi)品(pin)物(wu)除(chu)去(qu)雜(za)質(zhi)後(hou)撒(sa)入(ru)海(hai)藻(zao)糖(tang),攪(jiao)拌(ban)或(huo)翻(fan)動(dong)幾(ji)次(ci),使(shi)海(hai)藻(zao)糖(tang)均(jun)勻(yun)地(di)布(bu)滿(man)食(shi)品(pin)即(ji)處(chu)理(li)完(wan)畢(bi)。這(zhe)樣(yang)食(shi)品(pin)便(bian)可(ke)以(yi)擺(bai)上(shang)貨(huo)架(jia)出(chu)售(shou),或(huo)堆(dui)放(fang)在(zai)食(shi)品(pin)簍(lou)中(zhong)長(chang)時(shi)間(jian)保(bao)存(cun),不(bu)用(yong)擔(dan)心(xin)會(hui)變(bian)質(zhi)。食(shi)用(yong)時(shi),將(jiang)食(shi)品(pin)取(qu)出(chu)重(zhong)新(xin)洗(xi)滌(di),原(yuan)來(lai)的(de)色(se)澤(ze)會(hui)立(li)即(ji)恢(hui)複(fu),味(wei)道(dao)也(ye)鮮(xian)美(mei)如(ru)初(chu)。肉(rou)類(lei)所(suo)含(han)的(de)維(wei)生(sheng)素(su)保(bao)持(chi)完(wan)好(hao),其(qi)色(se)、味、香和營養成份都沒有改變,跟新鮮的食品相比絲毫不遜色。
海hai藻zao糖tang在zai食shi品pin保bao存cun技ji術shu上shang具ju有you如ru此ci美mei妙miao和he奇qi特te的de功gong效xiao。但dan這zhe種zhong神shen奇qi的de海hai藻zao糖tang究jiu竟jing是shi怎zen樣yang使shi食shi品pin達da到dao長chang期qi的de保bao鮮xian作zuo用yong呢ne?從cong初chu步bu研yan究jiu結jie果guo來lai看kan,是shi因yin為wei海hai藻zao糖tang屬shu於yu單dan糖tang,用yong於yu保bao存cun食shi品pin時shi,在zai常chang溫wen的de作zuo用yong下xia形xing成cheng一yi種zhong特te殊shu的de膜mo而er將jiang其qi密mi封feng,同tong時shi還hai會hui析xi出chu粘zhan液ye將jiang其qi粘zhan結jie和he滋zi潤run,以yi及ji將jiang原yuan有you的de細xi菌jun和he隨sui後hou沾zhan染ran的de細xi菌jun殺sha死si。這zhe種zhong保bao護hu膜mo在zai常chang規gui濕shi度du下xia非fei常chang穩wen定ding,並bing且qie還hai能neng將jiang外wai來lai的de熱re量liang輻fu射she出chu去qu。因yin此ci,利li用yong海hai藻zao糖tang保bao存cun食shi品pin不bu僅jin效xiao果guo非fei常chang理li想xiang,而er且qie不bu用yong什shen麼me設she備bei,操cao作zuo非fei常chang簡jian單dan。隻zhi要yao注zhu意yi處chu理li好hao食shi品pin,在zai保bao存cun中zhong不bu要yao被bei水shui滲shen入ru,在zai運yun輸shu中zhong不bu要yao被bei雨yu淋lin,就jiu能neng長chang期qi保bao存cun,永yong不bu變bian質zhi。
利li用yong海hai藻zao糖tang保bao存cun食shi品pin,使shi得de人ren類lei解jie決jue長chang時shi間jian地di儲chu備bei食shi品pin的de夢meng想xiang變bian成cheng了le現xian實shi。海hai藻zao糖tang的de來lai源yuan豐feng富fu,提ti取qu和he製zhi備bei很hen方fang便bian。海hai藻zao糖tang存cun在zai於yu酵jiao母mu中zhong,而er酵jiao母mu是shi可ke以yi大da量liang繁fan殖zhi的de。我wo國guo民min間jian繁fan殖zhi酵jiao母mu已yi有you很hen長chang曆li史shi,海hai藻zao糖tang是shi很hen容rong易yi獲huo得de的de,這zhe個ge技ji術shu在zai我wo國guo如ru果guo普pu遍bian采cai用yong,前qian景jing十shi分fen廣guang闊kuo。
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