{"id":9514,"date":"2024-08-26T12:21:12","date_gmt":"2024-08-26T12:21:12","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9514"},"modified":"2024-08-26T12:21:12","modified_gmt":"2024-08-26T12:21:12","slug":"pregelatinized-starch","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/tr\/pregelatinized-starch\/","title":{"rendered":"Prejelatinize ni\u015fastalar\u0131n preparatlar\u0131, \u00f6zellikleri ve g\u0131da end\u00fcstrisindeki uygulamalar\u0131 nelerdir?"},"content":{"rendered":"<p>Yenilenebilir bir kaynak olarak ni\u015fasta, end\u00fcstri i\u00e7in \u00f6nemli bir hammadde haline gelmi\u015ftir. \u00c7in'in mevcut ni\u015fasta \u00fcretimi 1,5 milyon tona ula\u015fm\u0131\u015ft\u0131r, ni\u015fasta ve derin i\u015flenmi\u015f \u00fcr\u00fcnleri g\u0131da, tekstil, ka\u011f\u0131t, ila\u00e7, yem, petrol sondaj\u0131, d\u00f6k\u00fcm, in\u015faat ve di\u011fer end\u00fcstrilerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n<p>Orijinal ni\u015fastan\u0131n bir\u00e7ok do\u011fal \u00f6zelli\u011fi (so\u011fuk suda \u00e7\u00f6z\u00fcnmezlik, asitte hamurla\u015fma, \u0131s\u0131, kesme vb.) nedeniyle, ni\u015fasta performans\u0131n\u0131 art\u0131rmak, uygulama kapsam\u0131n\u0131 geni\u015fletmek i\u00e7in end\u00fcstrideki ni\u015fasta uygulamalar\u0131 \u00fczerindeki k\u0131s\u0131tlamalar, fiziksel, kimyasal, enzim ve di\u011fer y\u00f6ntemlerle i\u015flenebilir. modifiye ni\u015fasta haz\u0131rlamak, ni\u015fastan\u0131n do\u011fal \u00f6zelliklerini de\u011fi\u015ftirmek, i\u015flevselli\u011fini art\u0131rmak veya end\u00fcstriyel geli\u015fimin ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131lamak i\u00e7in yeni \u00f6zelliklerin tan\u0131t\u0131lmas\u0131.<\/p>\n<p>Prejelatinize ni\u015fasta, \u03b1-ni\u015fasta olarak da bilinen fiziksel olarak modifiye edilmi\u015f bir ni\u015fasta t\u00fcr\u00fcd\u00fcr; ni\u015fasta hamurunun da\u011f\u0131lmas\u0131ndan ve ni\u015fasta molek\u00fcllerinin yeniden d\u00fczenlenmesi i\u00e7in \u00e7ok ge\u00e7 kalmas\u0131ndan sonra h\u0131zl\u0131 dehidrasyon ve kurutma ile elde edilen bir t\u00fcr g\u00f6zenekli, g\u00f6r\u00fcn\u00fcr olmayan kristal ni\u015fasta gran\u00fcl\u00fcd\u00fcr. Prejelatinize ni\u015fasta g\u00f6zenekli, hidrojen ba\u011f\u0131 k\u0131r\u0131c\u0131 bir yap\u0131ya sahip oldu\u011fundan ve so\u011fuk suda \u00e7\u00f6z\u00fcnme, iyi so\u011fuk su stabilitesi ve g\u00fc\u00e7l\u00fc su tutma \u00f6zelliklerine sahip oldu\u011fundan, bir\u00e7ok end\u00fcstriyel sekt\u00f6rde kullan\u0131lmaktad\u0131r.<\/p>\n<p><strong>Prejelatinize ni\u015fasta hammaddesi ve haz\u0131rlama y\u00f6ntemi<\/strong><\/p>\n<p>Prejelatinize ni\u015fasta, belirli bir miktarda su veya hidrofilik \u00e7\u00f6z\u00fcc\u00fc varl\u0131\u011f\u0131nda \u0131s\u0131t\u0131lan orijinal ni\u015fastad\u0131r. Molek\u00fcller aras\u0131 hidrojen ba\u011f\u0131n\u0131n k\u0131r\u0131lmas\u0131n\u0131 sa\u011flamak i\u00e7in su veya hidrofilik \u00e7\u00f6z\u00fcc\u00fcn\u00fcn kullan\u0131lmas\u0131, misel yap\u0131s\u0131n\u0131n d\u00fczenli d\u00fczenini yok eder, tamamen yap\u0131\u015ft\u0131r\u0131r ve daha sonra hidrojen ba\u011f\u0131 k\u0131r\u0131lmas\u0131, g\u00f6zenekli, ni\u015fasta partik\u00fcllerinin belirgin bir kristalle\u015fmesini elde etmek i\u00e7in y\u00fcksek s\u0131cakl\u0131kta h\u0131zla kurutur.<\/p>\n<p><strong>Yap\u0131\u015ft\u0131rma i\u015flemi \u00fc\u00e7 a\u015famaya ayr\u0131labilir:<\/strong><\/p>\n<p><strong>(1) Tersinir su emme a\u015famas\u0131.<\/strong><\/p>\n<p>Nem, ni\u015fasta gran\u00fcl\u00fcn\u00fcn amorf k\u0131sm\u0131na girer, hacim hafif\u00e7e geni\u015fler, bu s\u0131rada so\u011futma ve kurutma, gran\u00fcl geri y\u00fcklenebilir ve \u00e7ift k\u0131r\u0131lma olgusu de\u011fi\u015fmez;<\/p>\n<p><strong>(2) Geri d\u00f6nd\u00fcr\u00fclemez su emme a\u015famas\u0131.<\/strong><\/p>\n<p>S\u0131cakl\u0131ktaki art\u0131\u015fla, ni\u015fasta mikrokristalin interstisyel i\u00e7ine su, geri d\u00f6n\u00fc\u015f\u00fcms\u00fcz su emilimi, \u00e7ift k\u0131r\u0131lma fenomeni yava\u015f yava\u015f bulan\u0131kla\u015farak kaybolur, kristalle\u015fme \"\u00e7\u00f6z\u00fcnme\" olarak da bilinir, ni\u015fasta gran\u00fclleri orijinal hacminin 50 ila 100 kat\u0131 kadar \u015fi\u015fer;<\/p>\n<p><strong>(3) Ni\u015fasta gran\u00fcllerinin son par\u00e7alanmas\u0131, ni\u015fasta molek\u00fcllerinin tamam\u0131 \u00e7\u00f6zelti haline gelir.<\/strong><\/p>\n<p>Macundan sonra ni\u015fasta alfa-kimyasal ni\u015fasta olarak da bilinir.<\/p>\n<p>\u00d6n jelatinle\u015ftirilmi\u015f ni\u015fasta \u00fcretimi i\u00e7in hammaddeler aras\u0131nda patates ni\u015fastas\u0131, tatl\u0131 patates ni\u015fastas\u0131, ma\u015f fasulyesi ni\u015fastas\u0131, bu\u011fday ni\u015fastas\u0131, tapyoka ni\u015fastas\u0131, m\u0131s\u0131r ni\u015fastas\u0131, mumsu m\u0131s\u0131r ni\u015fastas\u0131, yulaf ni\u015fastas\u0131 vb. gibi ham ni\u015fastan\u0131n yan\u0131 s\u0131ra tohum mahsul\u00fcnden elde edilen bitkisel ni\u015fasta ve \u00e7apraz ba\u011fl\u0131 ni\u015fasta, modifiye yap\u0131\u015fkan m\u0131s\u0131r ni\u015fastas\u0131 vb. gibi kimyasal olarak modifiye edilmi\u015f ni\u015fasta bulunur.<\/p>\n<p>Di\u011fer prejelatinize ni\u015fastalarla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, patates prejelatinize ni\u015fastas\u0131 g\u00fc\u00e7l\u00fc yap\u0131\u015fma ve iyi film olu\u015fturma \u00f6zelliklerine sahiptir. Tapyoka ni\u015fastas\u0131 da prejelatinize ni\u015fasta \u00fcretiminde yayg\u0131n olarak kullan\u0131lmaktad\u0131r, \u00f6rne\u011fin 2002 y\u0131l\u0131nda Sheng ve ark. kimyasal modifikasyonla haz\u0131rlanan modifiye prejelatinize tapyoka ni\u015fastas\u0131n\u0131 tan\u0131tm\u0131\u015f ve daha sonra viskozite, \u00e7ekme uzunlu\u011fu, viskoz diren\u00e7 vb. gibi modifiye prejelatinize tapyoka ni\u015fastas\u0131 performans\u0131 elde etmek i\u00e7in prejelatinize edilmi\u015ftir. Tayland Thai Flower marka prejelatinize tapyoka ni\u015fastas\u0131ndan daha fazla, ayn\u0131 zamanda yerli prejelatinize tapyoka ni\u015fastas\u0131ndan \u00e7ok daha iyi.<\/p>\n<p>Geleneksel \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta \u00fcretimi, ni\u015fasta gran\u00fcllerini macun haline getirmek i\u00e7in esas olarak orijinal ni\u015fastay\u0131 \u0131s\u0131tmak ve ard\u0131ndan h\u0131zl\u0131 kurutma, \u00f6\u011f\u00fctme, eleme ve paketlemedir. \u00d6zellikle i\u015flem rotas\u0131n\u0131 kullanarak: ni\u015fasta ve su, bir ni\u015fasta em\u00fclsiyonu, bir past\u00f6rizasyon, bir kurutma, bir ezme, bir paketleme. Tambur kurutma y\u00f6ntemi ve ekstr\u00fczyon y\u00f6ntemi i\u00e7in en yayg\u0131n kullan\u0131lan \u00fcretim y\u00f6ntemleri olup, bunlardan en yayg\u0131n olan\u0131 tambur y\u00f6ntemidir. Bu y\u00f6ntem 1908 y\u0131l\u0131nda Avrupal\u0131 Wulkank Supf taraf\u0131ndan icat edilmi\u015f olup, 1920 y\u0131l\u0131nda resmi olarak sanayile\u015fmi\u015f \u00fcretime uygulanm\u0131\u015ft\u0131r, ekstr\u00fczyon y\u00f6ntemi ise genellikle d\u00f6rt laboratuvar i\u00e7in ge\u00e7erlidir.<\/p>\n<p><strong>1, tamburlu kurutma y\u00f6ntemi<\/strong><\/p>\n<p>Tamburlu kurutma y\u00f6ntemi s\u0131cak tambur y\u00f6ntemi olarak da bilinir. Tambur yap\u0131s\u0131na g\u00f6re farkl\u0131d\u0131r ve tek silindirli ve \u00e7ift silindirli iki t\u00fcre ayr\u0131l\u0131r. \u00c7ift silindirli tambur tersine d\u00f6ner, buhar tambur \u0131s\u0131tmas\u0131na girer, b\u00f6ylece tamburun y\u00fczey s\u0131cakl\u0131\u011f\u0131 150 \u2103 ~ 180 \u2103'ye kadar \u00e7\u0131kar, tambur y\u00fczeyinde 40% veya daha fazla ni\u015fasta em\u00fclsiyonu da\u011f\u0131l\u0131m\u0131 konsantrasyonu, tambur d\u00f6n\u00fc\u015f\u00fcnde d\u00fczg\u00fcn bir ince tabaka olu\u015fturur. Is\u0131tma alt\u0131nda ni\u015fasta, nem 5%'ye d\u00fc\u015fene kadar hamurla\u015fmaya, kurumaya ba\u015flad\u0131, ni\u015fasta tabakas\u0131n\u0131 soymak i\u00e7in bir kaz\u0131y\u0131c\u0131 kullanabilirsiniz, ezdikten, eledikten sonra \u00f6nceden past\u00f6rize edilmi\u015f ni\u015fasta elde edebilirsiniz.<\/p>\n<p>Operasyon s\u00fcreci, ni\u015fasta kaplama kal\u0131nl\u0131\u011f\u0131, tambur h\u0131z\u0131, tambur y\u00fczey s\u0131cakl\u0131\u011f\u0131, \u00fcr\u00fcn nihai nemi ve di\u011fer parametreler gibi nitelikli \u00f6n jelatinle\u015ftirilmi\u015f ni\u015fasta haz\u0131rlaman\u0131n anahtar\u0131d\u0131r ve \u00f6n jelatinle\u015ftirilmi\u015f ni\u015fastan\u0131n kalitesini etkileyecektir. Ni\u015fasta kaplama filminin i\u00e7i ve d\u0131\u015f\u0131 aras\u0131ndaki s\u0131cakl\u0131k fark\u0131n\u0131 iyile\u015ftirmek ve \u0131s\u0131 transferini h\u0131zland\u0131rmak i\u00e7in, ni\u015fasta em\u00fclsiyonu \u00f6nce jet veya \u0131s\u0131 e\u015fanj\u00f6r\u00fc ile \u00f6nceden \u0131s\u0131t\u0131labilir ve ard\u0131ndan tambur y\u00fczeyine sokulabilir.<\/p>\n<p><strong>2\u3001Vida ekstr\u00fczyon y\u00f6ntemi<\/strong><\/p>\n<p>G\u0131da i\u015flemede vidal\u0131 ekstr\u00fczyon teknolojisinin te\u015fvik edilmesi ve yayg\u0131nla\u015ft\u0131r\u0131lmas\u0131yla, \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta da ekstr\u00fczyon y\u00f6ntemiyle \u00fcretilebilir. Ni\u015fasta \u00f6nce \u0131slat\u0131l\u0131r, b\u00f6ylece yakla\u015f\u0131k 20% nem i\u00e7eri\u011fi ekstr\u00fcdere verilir, ekstr\u00fcder \u0131s\u0131tma k\u0131sm\u0131 120 \u2103 ~ 200 \u2103 s\u0131cakl\u0131\u011fa kadar \u00e7\u0131kar, bas\u0131n\u00e7 3-10MPa'ya kadar \u00e7\u0131kabilir.<\/p>\n<p>Ni\u015fasta, ekstr\u00fcderdeki vida taraf\u0131ndan ileri do\u011fru itilir ve ekstr\u00fcderin birka\u00e7 milimetrelik kal\u0131p deli\u011finden serbest b\u0131rak\u0131l\u0131r. Ekstr\u00fcderin i\u00e7i ile d\u0131\u015f atmosfer aras\u0131ndaki y\u00fcksek bas\u0131n\u00e7 fark\u0131 nedeniyle, ni\u015fasta an\u0131nda \u015fi\u015fer ve \u00f6n jelatinle\u015fme etkisini elde etmek i\u00e7in kurutulur. Vidal\u0131 ekstr\u00fczyon y\u00f6ntemi, \u00fcretim s\u00fcreklili\u011fi, d\u00fc\u015f\u00fck enerji t\u00fcketimi, d\u00fc\u015f\u00fck girdi ve basit ekipman ile karakterize edilir; ancak, nihai \u00fcr\u00fcn\u00fcn viskozitesi, ekstr\u00fczyon i\u015fleminde mekanik kesmenin neden oldu\u011fu glikozidik ba\u011f\u0131n ve molek\u00fcl i\u00e7indeki ba\u011f\u0131n di\u011fer k\u0131sm\u0131n\u0131n k\u0131r\u0131lmas\u0131ndan dolay\u0131 silindir kurutma y\u00f6nteminden daha d\u00fc\u015f\u00fckt\u00fcr.<\/p>\n<p><strong>Prejelatinize ni\u015fastan\u0131n \u00f6zellikleri<\/strong><\/p>\n<p>Do\u011fal ni\u015fasta mikrokristalin bir yap\u0131ya sahiptir, so\u011fuk suda \u00e7\u00f6z\u00fcnmez veya \u015fi\u015fmez ve amilaza kar\u015f\u0131 duyars\u0131zd\u0131r. Do\u011fal ni\u015fastan\u0131n belirli bir miktar su ile \u0131s\u0131t\u0131lmas\u0131, kolloidal yap\u0131n\u0131n d\u00fczenli d\u00fczeninin zarar g\u00f6rmesine, molek\u00fcller aras\u0131 hidrojen ba\u011f\u0131n\u0131n k\u0131r\u0131lmas\u0131na neden olabilir. \u0130\u00e7indeki su molek\u00fclleri, kristal yap\u0131 kaybolur, \u00e7ift k\u0131r\u0131lma fenomenini kaybeder ve enzimin etkisine duyarl\u0131d\u0131r, bu i\u015flem ni\u015fasta hamurudur. Tamamen yap\u0131\u015ft\u0131r\u0131lm\u0131\u015f ni\u015fasta h\u0131zla kurutulur ve y\u00fcksek s\u0131cakl\u0131kta dehidre edilir ve hidrojen ba\u011flar\u0131 k\u0131r\u0131lm\u0131\u015f, g\u00f6zenekli \u015fekle sahip ve belirgin bir kristalle\u015fme olgusu olmayan ni\u015fasta gran\u00fclleri, yani \u00f6nceden past\u00f6rize edilmi\u015f ni\u015fasta elde edilir.<\/p>\n<p>Yap\u0131 \u00e7al\u0131\u015fmas\u0131, \u00f6nceden jelatinize edilmi\u015f ni\u015fastada \u00e7ok say\u0131da submikrokristalin yap\u0131 oldu\u011funu ve bu submikrokristalin yap\u0131lar\u0131n, ni\u015fasta hamurunun kurutma i\u015flemi s\u0131ras\u0131nda ni\u015fasta molek\u00fcler zincirleri aras\u0131ndaki ortalama mesafenin azalmas\u0131yla kademeli olarak olu\u015ftu\u011funu ortaya koymu\u015ftur. Submikrokristallerin olu\u015fumu nedeniyle, \u00f6nceden jelatinize edilmi\u015f ni\u015fastan\u0131n X-\u0131\u015f\u0131n\u0131 k\u0131r\u0131n\u0131m e\u011frisi, da\u011f\u0131n\u0131k kristalin k\u0131r\u0131n\u0131m piki ile da\u011f\u0131n\u0131k amorf k\u0131r\u0131n\u0131m pikinin bir kombinasyonunu g\u00f6sterir.<\/p>\n<p>\u00d6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta haz\u0131rlama kurutma i\u015flemi s\u0131ras\u0131nda ni\u015fasta hamurunun de\u011fi\u015fimi, x-\u0131\u015f\u0131n\u0131 k\u0131r\u0131n\u0131m e\u011frisinde ortaya \u00e7\u0131kan, \u00e7ift pik olu\u015fumu ve ay\u0131rma i\u015flemidir. Bunlar aras\u0131nda, da\u011f\u0131n\u0131k kristalin k\u0131r\u0131n\u0131m piki hi\u00e7 yoktan baz\u0131lar\u0131na, k\u00fc\u00e7\u00fckten b\u00fcy\u00fc\u011fe do\u011frudur ve pik konumu kristalin k\u0131r\u0131n\u0131m yasas\u0131na g\u00f6re azalan k\u0131r\u0131n\u0131m a\u00e7\u0131s\u0131 y\u00f6n\u00fcne do\u011fru hareket eder; da\u011f\u0131n\u0131k amorf k\u0131r\u0131n\u0131m piki ise b\u00fcy\u00fckten k\u00fc\u00e7\u00fc\u011fe do\u011frudur ve sonunda stabilize olma e\u011filimindedir ve pik konumu amorf k\u0131r\u0131n\u0131m yasas\u0131na g\u00f6re artan k\u0131r\u0131n\u0131m a\u00e7\u0131s\u0131 y\u00f6n\u00fcne do\u011fru hareket eder.<\/p>\n<p>Prejelatinize ni\u015fasta, orijinal ni\u015fastaya k\u0131yasla g\u00f6zenekli, hidrojen ba\u011f\u0131 k\u0131r\u0131c\u0131 bir yap\u0131ya sahip oldu\u011fundan, g\u0131da maddelerine uygulanabilen y\u00fcksek da\u011f\u0131labilirlik, y\u00fcksek ya\u011f emilimi, y\u00fcksek hidrasyon oran\u0131, y\u00fcksek viskozite ve y\u00fcksek \u015fi\u015fme \u00f6zelliklerine sahiptir. Prejelatinize ni\u015fastan\u0131n performans\u0131 viskozite, partik\u00fcl boyutu, yap\u0131\u015ft\u0131rma derecesi, beyazl\u0131k ve pH de\u011feri, jel g\u00fcc\u00fc ve elastikiyet ile \u00f6l\u00e7\u00fclebilir. G\u0131da i\u00e7in kullan\u0131lan prejelatinize ni\u015fastan\u0131n ana performans indeksleri a\u015fa\u011f\u0131daki gibidir:<\/p>\n<p><strong>1\u3001Yap\u0131\u015ft\u0131rma derecesi (\u03b1 derecesi)<\/strong><\/p>\n<p>Belirli say\u0131da \u00fcr\u00fcndeki prejelatinize ni\u015fasta oran\u0131n\u0131 ifade eder ve \u03b1-derecesinin de\u011feri \u00fcr\u00fcn kalitesini do\u011frudan etkiler. \u03b1-derecesi \u00e7ift k\u0131r\u0131lma y\u00f6ntemi ve enzim analizi y\u00f6ntemi ile belirlenir.<\/p>\n<p><strong>2\u3001Par\u00e7ac\u0131k boyutu<\/strong><\/p>\n<p>\u00d6nceden jelatinize edilmi\u015f ni\u015fastan\u0131n partik\u00fcl boyutu, \u00fcr\u00fcn\u00fcn viskozitesini, rehidrasyonunu ve y\u00fczey kalitesini do\u011frudan etkiler. Genel olarak, ince partik\u00fcl boyutu, \u00fcr\u00fcn y\u00fcksek viskoziteli so\u011fuk macun, d\u00fc\u015f\u00fck viskoziteli s\u0131cak macun olu\u015fturmak i\u00e7in suda \u00e7\u00f6z\u00fcl\u00fcr, y\u00fczey parlakl\u0131\u011f\u0131 da iyidir: ancak rehidrasyon \u00e7ok h\u0131zl\u0131d\u0131r, organizasyon su ile temas ettirilemez, bu da d\u00fczensiz da\u011f\u0131l\u0131mla sonu\u00e7lan\u0131r, aglomerasyon fenomenine e\u011filimlidir. Kaba partik\u00fcl boyutu, \u00fcr\u00fcn so\u011fuk suda daha yava\u015f \u00e7\u00f6z\u00fcn\u00fcr, su transfer s\u00fcresi \u00e7ok uzundur, bu nedenle nihai \u00fcr\u00fcn uygun \u015fekilde partik\u00fcl boyutu kontrol edilmelidir. Partik\u00fcl boyutu genellikle eleme y\u00f6ntemi ile \u00f6l\u00e7\u00fcl\u00fcr.<\/p>\n<p><strong>3\u3001Viskozite<\/strong><\/p>\n<p>Farkl\u0131 molek\u00fcler zincir yap\u0131s\u0131 nedeniyle ni\u015fasta hamurunun farkl\u0131 hammadde \u00e7e\u015fitleri ve farkl\u0131 bir viskozite de\u011ferine sahiptir; \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta \u00fcretiminin farkl\u0131 y\u00f6ntemleri ile ayn\u0131 hammadde, viskozite de\u011feri tam olarak ayn\u0131 de\u011fildir. Ayn\u0131 ko\u015fullar alt\u0131nda, \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta viskozitesi \u00fcretmek i\u00e7in hammadde olarak patates ni\u015fastas\u0131 en b\u00fcy\u00fck ve iyi stabilitedir. Viskozite genellikle Brabender viskozimetre ve En tipi viskozimetre ile \u00f6l\u00e7\u00fcl\u00fcr.<\/p>\n<p><strong>\u00d6n jelatinle\u015ftirilmi\u015f ni\u015fastan\u0131n g\u0131da end\u00fcstrisindeki uygulamalar\u0131<\/strong><\/p>\n<p>1, \u00f6n jelatinle\u015ftirme i\u015fleminde, su molek\u00fclleri ni\u015fasta molek\u00fcllerinin hidrojen ba\u011f\u0131n\u0131 yok eder, b\u00f6ylece ni\u015fasta par\u00e7ac\u0131klar\u0131n\u0131n kristal yap\u0131s\u0131n\u0131 yok eder, b\u00f6ylece ak\u0131nt\u0131 suda \u00e7\u00f6z\u00fcl\u00fcr ve bu nedenle insan sindirimine ve emilimine elveri\u015fli amilaz etkisi olmas\u0131 kolayd\u0131r. \u00d6nceden jelatinle\u015ftirilmi\u015f ni\u015fastan\u0131n bu \u00f6zelli\u011fi, ya\u015fl\u0131lar ve bebekler i\u00e7in g\u0131da \u00fcretiminde kullan\u0131labilir.<\/p>\n<p>2, geleneksel g\u0131dalarda \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fastan\u0131n belirli uygulama avantajlar\u0131 vard\u0131r.<\/p>\n<p>Baz\u0131 ara\u015ft\u0131rmac\u0131lar, patates \u00f6n jelatinle\u015ftirilmi\u015f ni\u015fastan\u0131n iyi viskoelastisiteye sahip oldu\u011funu, undaki gl\u00fctenin yerini alabilece\u011fini, bu\u011fday ni\u015fastas\u0131na eklenen 8% un a\u011f\u0131rl\u0131\u011f\u0131n\u0131n daha iyi buharda pi\u015firilmi\u015f ekmek \u00fcretilebilece\u011fini bulmu\u015flard\u0131r. ABD patent raporlar\u0131na g\u00f6re, hamura eklenen d\u00fcz zincirli amiloz \u00f6n jelatinize ni\u015fasta i\u00e7erecek, morfolojik \u00f6zelliklerini geli\u015ftirebilir. Buna ek olarak, eri\u015ftelere do\u011fru miktarda \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta eklemek, eri\u015fte kafas\u0131n\u0131 azaltabilir ve h\u0131zl\u0131 bir \u015fekilde pi\u015firilebilir, \u00f6zellikle manyok fosfat \u00e7apraz ba\u011fl\u0131 ni\u015fastan\u0131n en iyi etkisi, 10% miktar\u0131.<\/p>\n<p>3\u3001\u00d6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta g\u00fc\u00e7l\u00fc su tutma \u00f6zelli\u011fine sahiptir ve unlu mamullerin kalitesini art\u0131rmak i\u00e7in kullan\u0131labilir.<\/p>\n<p>Kek yaparken, belirli miktarda \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta ekleyerek, tozu kar\u0131\u015ft\u0131r\u0131rken hamur olu\u015fturmak kolayd\u0131r ve \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta su emilimini art\u0131rd\u0131\u011f\u0131 ve gaz \u00fcretim kapasitesini art\u0131rd\u0131\u011f\u0131 i\u00e7in, kekin iyi bir hacme sahip olmas\u0131n\u0131 sa\u011flar ve bitmi\u015f \u00fcr\u00fcn\u00fcn tazeli\u011fini ve yap\u0131sal homojenli\u011fini art\u0131r\u0131r, bu da \u00fcr\u00fcn\u00fc kabar\u0131k ve iyi bir dokuya sahip yapar.<\/p>\n<p>4\u3001\u00d6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta iyi bir donma stabilitesine sahiptir ve dondurulmu\u015f g\u0131dalar\u0131n i\u00e7 yap\u0131s\u0131n\u0131 stabilize etmek i\u00e7in kullan\u0131labilir.<\/p>\n<p>Dondurulmu\u015f g\u0131dalara uygun miktarda \u00f6n jelatinle\u015ftirilmi\u015f ni\u015fasta eklenmesi, dondurma s\u00fcrecinde \u00fcr\u00fcn\u00fcn \u00e7atlamas\u0131n\u0131 \u00f6nleyebilir ve verimi art\u0131rarak \u00fcretim maliyetini d\u00fc\u015f\u00fcrebilir.<\/p>\n<p>Buna ek olarak, \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta, k\u00f6ftenin elastikiyetini art\u0131rabilen, k\u00f6ftenin \u015feklini koruyabilen ve k\u00f6ftenin \u00e7\u00f6kmesini \u00f6nlemeye yard\u0131mc\u0131 olan iyi viskoelastisiteye ve \u015fekil tutma \u00f6zelli\u011fine sahiptir.<\/p>\n<p>5\u3001\u00d6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta, pirin\u00e7 krakerleri ve ince krakerler gibi bo\u015f zaman yiyecekleri i\u00e7in iyi bir hammaddedir ve normal ni\u015fastadan daha iyidir.<\/p>\n<p>Bunun nedeni, ni\u015fastan\u0131n bir k\u0131sm\u0131 suyu emdi\u011finde \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta kar\u0131\u015f\u0131m\u0131 bo\u015fluklar\u0131ndan yap\u0131l\u0131r, pi\u015firme, ni\u015fasta par\u00e7ac\u0131klar\u0131ndan ka\u00e7mak i\u00e7in su, geni\u015fleme ile sonu\u00e7lan\u0131r. Ayr\u0131ca, bazen, daha iyi sonu\u00e7lar elde etmek i\u00e7in, \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta \u00fczerinde denat\u00fcrasyon da kullan\u0131l\u0131r.<\/p>\n<p>6, \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta so\u011fuk suda \u00e7\u00f6z\u00fclebilir, belirli bir viskozite macunu dispersiyonunun olu\u015fumu iyidir ve kal\u0131nla\u015ft\u0131r\u0131c\u0131 ve stabilize edici bir etkiye sahiptir, kullan\u0131m\u0131 kolayd\u0131r, bu nedenle \u00e7e\u015fitli haz\u0131r g\u0131dalarda yayg\u0131n olarak kullan\u0131l\u0131r. Pi\u015firme ve \u0131s\u0131tma t\u00fcketiminde ve ayr\u0131ca koyula\u015ft\u0131rma etkisine sahiptir, tad\u0131 iyile\u015ftirir; ve \u00e7e\u015fitli besleyici macunlarda, haz\u0131r \u00e7orbalarda, re\u00e7ellerde ve elmal\u0131 turta dolgusunda uygulan\u0131r.<\/p>\n<p>\u00d6rne\u011fin, \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta form\u00fcle edilmi\u015f haz\u0131r tah\u0131l, badem ezmesi, tavuk \u00f6z\u00fc, vb. kullan\u0131m\u0131, \u0131l\u0131k su ile, genellikle 5% ila 10% re\u00e7el ve tatl\u0131 turta dolum dozaj\u0131nda yemek i\u00e7in al\u0131nabilir. \u00d6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta jeli, Avrupa ve Amerika Birle\u015fik Devletleri'nde puding jeli yerine belirli bir g\u00fcce sahiptir, temel malzeme olarak \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta, belirli miktarda ni\u015fasta \u015fekeri, besin artt\u0131r\u0131c\u0131lar, tatland\u0131r\u0131c\u0131 maddeler vb. eklenir. haz\u0131r puding tozu \u00e7ok satan bir haz\u0131r g\u0131dad\u0131r.<\/p>\n<p>7, \u00f6nceden jelatinize edilmi\u015f ni\u015fasta olduk\u00e7a emicidir, macun ve viskoelastisite daha y\u00fcksektir, elastikiyeti artt\u0131rmak, kal\u0131plama \u00f6zelliklerini geli\u015ftirmek ve su kayb\u0131n\u0131 \u00f6nlemek i\u00e7in surimi serisi \u00fcr\u00fcnler, jambon, sosis ve di\u011fer g\u0131da \u00fcr\u00fcnleri i\u00e7in de kullan\u0131labilir. Bal\u0131k k\u00f6ftesi yaparken belirli bir oranda \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta eklerseniz, yap\u0131\u015ft\u0131r\u0131c\u0131 olarak kullan\u0131labilir ve bal\u0131k k\u00f6ftesi aras\u0131ndaki yap\u0131\u015fmay\u0131 \u00f6nleyebilir ve bal\u0131k k\u00f6ftelerinin yap\u0131s\u0131, rengi, tad\u0131 ve dokusu b\u00fcy\u00fck \u00f6l\u00e7\u00fcde iyile\u015ftirilir, b\u00f6ylece \u00fcr\u00fcn tam ve p\u00fcr\u00fczs\u00fcz olur: ancak katk\u0131 maddesi miktar\u0131 10% ila 40% i\u00e7in uygundur ve \u00e7ok fazla ise ya\u015flanmas\u0131 kolayd\u0131r.<\/p>\n<p>So\u011fuk suda \u00e7\u00f6z\u00fcn\u00fcrl\u00fck, y\u00fcksek viskozite ve y\u00fcksek genle\u015fme \u00f6zelliklerine sahip \u00f6nceden jelatinle\u015ftirilmi\u015f ni\u015fasta, b\u00f6ylece kullan\u0131m\u0131 son derece geni\u015ftir, yabanc\u0131 \u00fclkeler g\u0131da, ila\u00e7, kimya end\u00fcstrisi, yem, d\u00f6k\u00fcm, petrol sondaj\u0131, tekstil, ka\u011f\u0131t ve di\u011fer end\u00fcstrilerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r. \u00c7in'in \u00f6nceden jelatinize edilmi\u015f ni\u015fasta end\u00fcstrisi h\u0131zla geli\u015fmektedir, mevcut y\u0131ll\u0131k \u00fcretim kapasitesi yakla\u015f\u0131k 200.000 tona ula\u015fm\u0131\u015ft\u0131r, ancak hammadde, ekipman ve teknoloji \u00fcretimi nedeniyle, \u00c7in'in \u00f6nceden jelatinize edilmi\u015f ni\u015fasta \u00fcretiminin kalitesi, hem \u00fcr\u00fcn kalitesi hem de \u00fcretim a\u00e7\u0131s\u0131ndan uluslararas\u0131 ileri seviyenin gerisinde kalmaktad\u0131r, \u00c7in pazar\u0131n\u0131n talebini kar\u015f\u0131layamamaktad\u0131r.<\/p>\n<p>Prejelatinize ni\u015fasta hammadde se\u00e7imi, yap\u0131\u015ft\u0131rma y\u00f6ntemleri ve ko\u015fullar\u0131, g\u0131dadaki di\u011fer bile\u015fenler ni\u015fasta yap\u0131\u015ft\u0131rma etkisini etkileyecektir ve farkl\u0131 g\u0131dalar\u0131n viskozite, ge\u00e7irgenlik, donma ve \u00e7\u00f6z\u00fclme gibi prejelatinize ni\u015fastan\u0131n do\u011fas\u0131 \u00fczerinde farkl\u0131 gereksinimleri vard\u0131r; m\u00fckemmel prejelatinize ni\u015fasta, haz\u0131rl\u0131k i\u00e7in \u00f6zel gereksinimlerle birle\u015ftirilmelidir. Prejelatinize ni\u015fasta \u00fcretim teknolojisinin nas\u0131l geli\u015ftirilece\u011fi, prejelatinize ni\u015fastan\u0131n kalitesinin nas\u0131l art\u0131r\u0131laca\u011f\u0131 ve g\u0131da end\u00fcstrisindeki uygulamas\u0131n\u0131n nas\u0131l daha fazla te\u015fvik edilece\u011fi, \u00c7in'in ni\u015fasta end\u00fcstrisinin geli\u015fimi i\u00e7in b\u00fcy\u00fck \u00f6nem ta\u015f\u0131maktad\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"<p>Yenilenebilir bir kaynak olarak ni\u015fasta, end\u00fcstri i\u00e7in \u00f6nemli bir hammadde haline gelmi\u015ftir. \u00c7in'in mevcut ni\u015fasta \u00fcretimi 1,5 milyon tona ula\u015fm\u0131\u015ft\u0131r, ni\u015fasta ve derin i\u015flenmi\u015f \u00fcr\u00fcnleri g\u0131da, tekstil, ka\u011f\u0131t, ila\u00e7, yem, petrol sondaj\u0131, d\u00f6k\u00fcm, in\u015faat ve di\u011fer end\u00fcstrilerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Orijinal ni\u015fastan\u0131n bir\u00e7ok do\u011fal \u00f6zelli\u011fi nedeniyle (so\u011fuk suda \u00e7\u00f6z\u00fcnmezlik, [...]<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the preparations, properties of pregelatinized starches and their applications in the food industry? - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/tr\/pregelatinized-starch\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the preparations, properties of pregelatinized starches and their applications in the food industry? - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"As a renewable resource, starch has become an important raw material for industry. 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