{"id":2254,"date":"2026-06-08T13:57:24","date_gmt":"2026-06-08T05:57:24","guid":{"rendered":"https:\/\/en.ntsquare.com\/?p=2254"},"modified":"2026-08-23T21:14:33","modified_gmt":"2026-08-23T13:14:33","slug":"freezing-rate","status":"publish","type":"post","link":"https:\/\/en.ntsquare.com\/tr\/iqf\/freezing-rate\/","title":{"rendered":"Donman\u0131n Nem Kayb\u0131n\u0131 Nas\u0131l \u00d6nledi\u011fi: Bilim, Y\u00f6ntemler ve End\u00fcstri Etkileri"},"content":{"rendered":"<p class=\"wp-block-paragraph\">H\u0131zl\u0131 dondurma, g\u0131dalar\u0131n dokusunu korumas\u0131nda yard\u0131mc\u0131 olur \u00e7\u00fcnk\u00fc bu i\u015flemde k\u00fc\u00e7\u00fck buz kristalleri h\u0131zla olu\u015fur. Bu k\u00fc\u00e7\u00fck kristaller g\u0131da h\u00fccrelerine daha az zarar verir. Sonu\u00e7 olarak, g\u0131da dondurulduktan ve \u00e7\u00f6z\u00fcld\u00fckten sonra daha az su kaybeder ve daha iyi \u015feklini korur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u0131zl\u0131 dondurma, g\u0131dalar\u0131n depolama s\u0131ras\u0131nda a\u011f\u0131rl\u0131klar\u0131n\u0131, nemlerini ve yap\u0131s\u0131n\u0131 korumas\u0131nda da yard\u0131mc\u0131 olur. Yava\u015f dondurma ise buz kristalleri i\u00e7in daha fazla zaman sa\u011flar. B\u00fcy\u00fck buz kristalleri h\u00fccre duvarlar\u0131n\u0131 k\u0131rabilir; bu da eriyikten sonra g\u0131dalar\u0131n kuruyup yumu\u015fak veya p\u00fcr\u00fczs\u00fcz hale gelmesine neden olabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Temel g\u0131da bilimi ve so\u011fuk zincir uygulamalar\u0131na dayanarak, bu k\u0131lavuz dondurma h\u0131z\u0131n\u0131n buz kristallerini, damla kayb\u0131n\u0131, su tutulmas\u0131n\u0131 ve dondurucu yanmas\u0131n\u0131 nas\u0131l etkiledi\u011fini a\u00e7\u0131klar. Ayr\u0131ca hangi g\u0131dalar\u0131n nemi kolay kaybedebilece\u011fini ve hangi dondurma ko\u015fullar\u0131n\u0131n dokuyu korumaya yard\u0131mc\u0131 oldu\u011funu a\u00e7\u0131kl\u0131yor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Dondurulmu\u015f G\u0131dalar\u0131n Nem Kayb\u0131 Nedir?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Donmu\u015f g\u0131dalar\u0131n nem kayb\u0131 iki ana yolla ger\u00e7ekle\u015fir. Birincisi, s\u00fcblimasyondur. Bu durum donma veya depolama s\u0131ras\u0131nda y\u00fczeydeki buzun do\u011frudan buhar haline d\u00f6nmesiyle olu\u015fur. Bu durum dondurucuda yanma yapabilir. \u0130kincisi ise damlama kayb\u0131d\u0131r. Bu durum hasarl\u0131 g\u0131da h\u00fccrelerinin \u00e7\u00f6z\u00fclme s\u0131ras\u0131nda su emmesiyle olu\u015fur. S\u0131zan su, g\u0131dalar\u0131n a\u011f\u0131rl\u0131\u011f\u0131n\u0131, dokusunu ve kalitesini d\u00fc\u015f\u00fcrebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yiyecek dondu\u011funda i\u00e7indeki su buz kristallerine d\u00f6n\u00fc\u015f\u00fcr. Bu kristallerin boyutu, yiyece\u011fin yap\u0131s\u0131na ne kadar zarar verece\u011fini belirler.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yava\u015f donma s\u0131ras\u0131nda b\u00fcy\u00fck buz kristalleri olu\u015fur. Bu kristaller h\u00fccre duvarlar\u0131n\u0131 deler ve nemin d\u0131\u015far\u0131 ka\u00e7mas\u0131na olanak tan\u0131r. Yiyecek eriyince bu durum damla kayb\u0131na neden olur; bu damla yiyecek tabakaya ya da paket i\u00e7inde biriken s\u0131v\u0131dan olu\u015fur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u0131zl\u0131 donma s\u0131ras\u0131nda k\u00fc\u00e7\u00fck buz kristalleri olu\u015fur. Bu durum h\u00fccre yap\u0131s\u0131na daha az zarar verir ve nemi g\u0131dada daha etkili bir \u015fekilde tutar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Nem kayb\u0131n\u0131n yiyece\u011fe verdi\u011fi zarar<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nem kayb\u0131n\u0131n etkileri birka\u00e7 \u015fekilde g\u00f6r\u00fcl\u00fcr:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u00fctle bozulmas\u0131<\/strong>Yiyecek kuruyak\u0131\u015f\u0131r, sertle\u015fir veya p\u00fcr\u00fczl\u00fc hale gelir<\/li>\n\n\n\n<li><strong>Damlama kayb\u0131<\/strong>Yava\u015f donmu\u015f etlerde \u00e7\u00f6z\u00fclme s\u0131ras\u0131nda 8% kg'a kadar a\u011f\u0131rl\u0131k kaybedilebilir.<\/li>\n\n\n\n<li><strong>Besin kayb\u0131<\/strong>Su ile \u00e7\u00f6z\u00fcn\u00fcr vitaminler s\u0131v\u0131yla birlikte d\u0131\u015far\u0131 akar.<\/li>\n\n\n\n<li><strong>Oksidasyon<\/strong>A\u00e7\u0131k y\u00fczeyler kuruyup dondurucu yanmas\u0131na neden olur.<\/li>\n\n\n\n<li><strong>G\u0131da kalitesi d\u00fc\u015f\u00fc\u015f\u00fc<\/strong>Lezzet zay\u0131fl\u0131yor ve daha az \u00e7ekici hale geliyor<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Donmu\u015f depolama s\u0131ras\u0131nda nem ta\u015f\u0131nmas\u0131 devam eder. Buz kristalleri zamanla yeniden kristalle\u015fme ile daha b\u00fcy\u00fck boyutlara ula\u015f\u0131r. Su molek\u00fclleri daha k\u00fc\u00e7\u00fck kristallerden daha b\u00fcy\u00fck kristallere ge\u00e7er, bu da h\u00fccre yap\u0131s\u0131n\u0131n daha da zarar g\u00f6rmesine neden olur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Su aktivitesi, bu de\u011fi\u015fikliklerin ne kadar h\u0131zl\u0131 ger\u00e7ekle\u015fti\u011fini etkiliyor. Su i\u00e7eri\u011fi y\u00fcksek g\u0131dalar daha \u015fiddetli nem kayb\u0131 ya\u015far. Depolama s\u0131cakl\u0131klar\u0131 de\u011fi\u015fti\u011finde veya ambalajlama sayesinde hava temas\u0131na izin verildi\u011finde s\u00fcblimle\u015fme oran\u0131 artar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Flash dondurma, 50 mikron alt\u0131ndaki kristaller olu\u015fturarak bu sorunlar\u0131n \u00e7o\u011funu \u00f6nler; b\u00f6ylece end\u00fcstriyel IQF sistemleri, proses i\u00e7indeki nem kayb\u0131n\u0131 \u00fcr\u00fcn\u00fcn orijinal a\u011f\u0131rl\u0131\u011f\u0131n\u0131n %1'inin alt\u0131nda tutabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>H\u0131zl\u0131 dondurma nem kayb\u0131n\u0131 nas\u0131l \u00f6nler?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u0131zl\u0131 dondurma, k\u00fc\u00e7\u00fck buz kristalleri olu\u015fturarak nem kayb\u0131n\u0131 \u00f6nler; bu da h\u00fccre hasar\u0131n\u0131 azalt\u0131r ve suyun g\u0131dan\u0131n y\u00fczeyine ta\u015f\u0131nmas\u0131n\u0131 s\u0131n\u0131rland\u0131r\u0131r. Dondurma h\u0131z\u0131, buz kristalinin boyutunu, y\u00fczeydeki dehidrasyonu ve genel nem tutulumunu belirler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u201cEn B\u00fcy\u00fck Buz Kristal Olu\u015f Alan\u0131\u201d Nedir?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En y\u00fcksek buz kristali olu\u015fumu b\u00f6lgesi 32\u00b0F ile 23\u00b0F (0\u00b0C ile -5\u00b0C) aras\u0131nda de\u011fi\u015fmektedir. G\u0131dadaki suyun b\u00fcy\u00fck b\u00f6l\u00fcm\u00fc bu s\u0131cakl\u0131k aral\u0131\u011f\u0131nda donar. Bu b\u00f6lgede uzun s\u00fcre kalan g\u0131dalar b\u00fcy\u00fck buz kristallerine d\u00f6n\u00fc\u015f\u00fcr.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00fcy\u00fck buz kristalleri h\u00fccre duvarlar\u0131n\u0131 ve membranlar\u0131n\u0131 delmektedir. Bu hasar g\u00f6ren h\u00fccreler \u00e7\u00f6z\u00fcnd\u00fc\u011f\u00fcnde i\u00e7sel nemlerini damla kayb\u0131 \u015feklinde salmaktad\u0131r. Normal donma i\u015flemi bu b\u00f6lgeyi yava\u015f\u00e7a hareket ettirerek g\u0131dalar\u0131 birka\u00e7 saatte tamam\u0131yla \u00e7\u00f6zmektedir. Bu daha uzun s\u00fcre maruziyet, su molek\u00fcllerinin bir araya gelip b\u00fcy\u00fck, alt\u0131gen buz kristalleri olu\u015fturabilmeleri i\u00e7in zaman tan\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u0131zl\u0131 dondurma y\u00f6ntemleri (flash freezing) ve <a href=\"https:\/\/en.ntsquare.com\/tr\/iqf-freezer\/\"><em><strong>Bireysel dondurulmu\u015f<\/strong><\/em><\/a> (IQF) teknolojisi bu kritik b\u00f6lgede ge\u00e7en s\u00fcreyi en aza indirir. H\u0131zl\u0131 s\u0131cakl\u0131k d\u00fc\u015f\u00fc\u015f\u00fc, su molek\u00fcllerinin b\u00fcy\u00fck olu\u015fumlar olu\u015fturmas\u0131n\u0131 engeller.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Neden H\u0131zl\u0131 Dondurma 30 Dakikadan Az Bir S\u00fcrede Bunu A\u015fmal\u0131?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En fazla buz kristal olu\u015fumu b\u00f6lgesini 30 dakikadan daha k\u0131sa s\u00fcrede ge\u00e7mek, h\u00fccre yap\u0131lar\u0131n\u0131n k\u0131r\u0131lmas\u0131na yol a\u00e7abilecek kadar k\u00fc\u00e7\u00fck buz kristalleri \u00fcretir. 30 dakikal\u0131k e\u015fik de\u011feri, nem kayb\u0131na neden olan b\u00fcy\u00fck kristal olu\u015fumunu engeller. 0\u00b0F (-18\u00b0C) veya daha d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda h\u0131zl\u0131 donma bu s\u00fcreci h\u0131zland\u0131r\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Su molek\u00fclleri kristal yap\u0131ya d\u00f6n\u00fc\u015fmeleri i\u00e7in zaman gerekir. H\u0131zl\u0131 donma ise b\u00fcy\u00fck kristaller olu\u015fmadan bu d\u00fczeni bozuyor. IQF sistemleri ile i\u015flenen donmu\u015f meyveler ve meyveler bu ge\u00e7i\u015fi 10 ila 20 dakika i\u00e7inde tamaml\u0131yor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yava\u015f konvansiyonel dondurma i\u015flemi, nihai depolama s\u0131cakl\u0131\u011f\u0131na ula\u015fmak i\u00e7in 3 ila 72 saat s\u00fcrebilir. Bu uzam\u0131\u015f s\u00fcre, yeniden kristalle\u015fme ad\u0131 verilen bir s\u00fcre\u00e7le buz kristalleri olu\u015fmas\u0131n\u0131 sa\u011flar. Daha k\u00fc\u00e7\u00fck kristaller daha b\u00fcy\u00fck kristallerle birle\u015fir; bu da h\u00fccre hasar\u0131n\u0131 ve \u00e7\u00f6z\u00fclme s\u0131ras\u0131nda damlac\u0131k kayb\u0131n\u0131 art\u0131r\u0131r. H\u0131zl\u0131 dondurma i\u015flemi ise \u00fcr\u00fcn\u00fc h\u0131zl\u0131 bir \u015fekilde stabilize ederek bu b\u00fcy\u00fcme a\u015famas\u0131n\u0131 ortadan kald\u0131r\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>H\u0131zl\u0131 dondurma y\u00fczeydeki dehidrasyonu ve dondurucu yanmas\u0131n\u0131 nas\u0131l engeller?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u0131zl\u0131 dondurma, nemi g\u0131da h\u00fccrelerinin i\u00e7inde tutarak onu y\u00fczeye ta\u015f\u0131madan \u00f6nce bu i\u015flemi ger\u00e7ekle\u015ftirir. Y\u00fczeyde kuruluk ise g\u0131da yava\u015f\u00e7a dondu\u011funda ve suyun y\u00fczeye do\u011fru hareket etmesiyle olu\u015fur. Baz\u0131 y\u00fczey buzlar\u0131 \u00f6nce eriyip ard\u0131ndan buhar haline d\u00f6n\u00fc\u015febilir. Bu buhar g\u0131da d\u0131\u015f\u0131na \u00e7\u0131kabilir ve paket veya dondurucu duvar\u0131nda yeniden donabilir. G\u0131da y\u00fczey nemini kaybederken d\u0131\u015f k\u0131sm\u0131 kuruyup solukla\u015f\u0131r, sertle\u015fir veya dondurucu taraf\u0131ndan yanm\u0131\u015f hale gelir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dondurucu yanmas\u0131 doku kayb\u0131na, renk solumas\u0131na ve lezzet bozulmas\u0131na neden olur. Hasar g\u00f6rm\u00fc\u015f y\u00fczey alanlar\u0131 kurur ve renk de\u011fi\u015ftirir. H\u0131zl\u0131 dondurma oranlar\u0131, t\u00fcm \u00fcr\u00fcn\u00fc tek par\u00e7a halinde kat\u0131la\u015ft\u0131rarak bu ge\u00e7i\u015fi engeller. H\u0131zl\u0131 s\u0131cakl\u0131k d\u00fc\u015f\u00fc\u015f\u00fc, nemi orijinal yerinde tutan bir bariyer olu\u015fturur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u0131zl\u0131 ve yava\u015f dondurma aras\u0131ndaki temel farklar:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Fakt\u00f6r<\/strong><\/td><td><strong>H\u0131zl\u0131 Dondurma<\/strong><\/td><td><strong>Konvansiyonel Dondurma<\/strong><\/td><\/tr><tr><td><strong>Serinleme zaman\u0131<\/strong><\/td><td>10-30 dakika<\/td><td>3-72 saat<\/td><\/tr><tr><td><strong>\u0130nek kristalleri boyutu<\/strong><\/td><td>20-65 mikrometre<\/td><td>170 mikrometrenin \u00fcst\u00fc<\/td><\/tr><tr><td><strong>Nem kayb\u0131<\/strong><\/td><td>1%'in alt\u0131ndaki (end\u00fcstriyel IQF)<\/td><td>5-10%<\/td><\/tr><tr><td><strong>Dondurucu yanma riski<\/strong><\/td><td>D\u00fc\u015f\u00fck<\/td><td>Y\u00fcksek<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>H\u0131zl\u0131 Donma S\u0131ras\u0131nda Nem Tutulmas\u0131n\u0131 Belirleyen \u0130\u015fletme Parametreleri Nelerdir?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Temperatur, hava h\u0131z\u0131 ve temas y\u00f6ntemi, h\u0131zl\u0131 dondurman\u0131n nemi ne kadar etkili bir \u015fekilde korudu\u011funu belirler. End\u00fcstriyel h\u0131zl\u0131 dondurma i\u00e7in dondurucu, t\u00fcnel s\u0131cakl\u0131klar\u0131n\u0131 -35 \u00b0C (\u221231 \u00b0F) veya daha d\u00fc\u015f\u00fck seviyelerde tutmal\u0131; kriyojenik sistemler ise bu seviyelerden \u00e7ok daha d\u00fc\u015f\u00fck seviyelerde \u00e7al\u0131\u015fmal\u0131d\u0131r. D\u00fc\u015f\u00fck s\u0131cakl\u0131klar dondurma h\u0131z\u0131n\u0131 art\u0131r\u0131r ve buz kristal boyutunu azalt\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Patlamal\u0131 so\u011futucularda hava ak\u0131\u015f\u0131, \u0131s\u0131 transfer h\u0131z\u0131n\u0131 do\u011frudan etkiliyor. Saniyede 3 ila 6 metre h\u0131zda \u00e7al\u0131\u015fan sistemler, sote hava ak\u0131\u015f\u0131n\u0131 koruyarak \u0131s\u0131y\u0131 verimli bir \u015fekilde uzakla\u015ft\u0131r\u0131r ve bu sayede y\u00fczeydeki kurakl\u0131k olu\u015fmas\u0131n\u0131 engeller. Bu aral\u0131\u011f\u0131n \u00fczerinde bulunan a\u015f\u0131r\u0131 hava ak\u0131\u015f\u0131, nem kayb\u0131n\u0131 \u00f6nlemek yerine h\u0131zland\u0131r\u0131r. Bu h\u0131zl\u0131 \u0131s\u0131 uzakla\u015ft\u0131rma i\u015flemi, g\u0131dan\u0131n t\u00fcm y\u00fczeyindeki donma s\u00fcrecini h\u0131zland\u0131r\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">End\u00fcstriyel h\u0131zl\u0131 dondurma sistemleri farkl\u0131 yollarla \u00e7al\u0131\u015f\u0131r. <a href=\"https:\/\/en.ntsquare.com\/tr\/akiskan-yatakli-dondurucu\/how-to-use-fluidized-bed-iqf-freezer-to-freeze-fruits-and-vegetables\/\"><strong><em>Ak\u0131\u015fkan yatakl\u0131 IQF buzdolaplar\u0131<\/em><\/strong><\/a> \u00c7ilek, bezelye ve do\u011franm\u0131\u015f sebzeler gibi k\u00fc\u00e7\u00fck ve benzer b\u00fcy\u00fckl\u00fckteki yiyecekler i\u00e7in s\u0131kl\u0131kla kullan\u0131l\u0131r. Bu t\u00fcr yiyecekler genellikle 10 dakikadan k\u0131sa s\u00fcrede dondurulabilir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/en.ntsquare.com\/wp-content\/uploads\/1-149.jpg\" alt=\"1\" class=\"wp-image-1943\" srcset=\"https:\/\/en.ntsquare.com\/wp-content\/uploads\/1-149.jpg 800w, https:\/\/en.ntsquare.com\/wp-content\/uploads\/1-149-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Spiral IQF buzdolaplar\u0131<\/strong> ve <strong>T\u00fcnel IQF buzdolaplar\u0131<\/strong> B\u00fcy\u00fck \u00fcr\u00fcnleri de i\u015fleyebilirler. Bu \u00fcr\u00fcnler yakla\u015f\u0131k 10 g ile 5 kg aras\u0131nda a\u011f\u0131rl\u0131\u011f\u0131ndaki g\u0131dalar i\u00e7in kullan\u0131l\u0131r. Dondurma s\u00fcresi \u00fcr\u00fcnlere g\u00f6re 15 dakika ile 3 saat aras\u0131nda de\u011fi\u015febilir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/en.ntsquare.com\/wp-content\/uploads\/2-119.jpg\" alt=\"2\" class=\"wp-image-1944\" srcset=\"https:\/\/en.ntsquare.com\/wp-content\/uploads\/2-119.jpg 800w, https:\/\/en.ntsquare.com\/wp-content\/uploads\/2-119-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dcr\u00fcn kal\u0131nl\u0131\u011f\u0131 da \u00f6nemlidir. 50 mm'den daha kal\u0131n olan g\u0131dalar genellikle daha e\u015fit \u015fekilde donar. Bu, g\u0131dada olu\u015fan nemin e\u015fit \u015fekilde da\u011f\u0131lmas\u0131n\u0131 engeller ve bu durum \u00e7\u00f6z\u00fclmeden sonra damlama kayb\u0131na yol a\u00e7abilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Yava\u015f donma neden bu kadar fazla nem kayb\u0131na neden oluyor?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Yava\u015f donma, b\u00fcy\u00fck buz kristallerinin olu\u015fmas\u0131 nedeniyle nem kayb\u0131na neden olur. Bu kristaller yiyece\u011fin i\u00e7indeki h\u00fccre duvarlar\u0131n\u0131 y\u0131kar. Yiyecek eriyerken hasarl\u0131 h\u00fccreler suyu tutamaz, bu nedenle s\u0131v\u0131 damla kayb\u0131 \u015feklinde d\u0131\u015far\u0131 s\u0131zar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Yava\u015f dondurma ile k\u0131yasland\u0131\u011f\u0131nda h\u0131zl\u0131 dondurma ile ne kadar nem kayb\u0131 \u00f6nlenir?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u0131zl\u0131 dondurma, yava\u015f dondurma y\u00f6ntemlerine k\u0131yasla nem kayb\u0131n\u0131 yakla\u015f\u0131k -90 oran\u0131nda azaltabilir. Patlama dondurmas\u0131 ve IQF dondurma gibi h\u0131zl\u0131 y\u00f6ntemler \u00e7ok daha k\u00fc\u00e7\u00fck buz kristallerini olu\u015fturur. Bu kristaller yakla\u015f\u0131k 20-65 mikrometre geni\u015fli\u011finde olabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mekanik IQF sistemleri, \u00e7ok so\u011fuk hava, h\u0131zl\u0131 hava ak\u0131\u015f\u0131 ve geni\u015f so\u011futma y\u00fczeyleri kullanarak g\u0131dalar\u0131 h\u0131zl\u0131 bir \u015fekilde donat\u0131r. Baz\u0131 sistemler \u00fcr\u00fcn \u00e7ekirde\u011fini 3-15 dakika i\u00e7inde -18\u00b0C'nin alt\u0131na indirebilir. Bu h\u0131zl\u0131 i\u015flem, g\u0131da h\u00fccrelerine daha az zarar veren k\u00fc\u00e7\u00fck kristallerin olu\u015fmas\u0131na yard\u0131mc\u0131 olur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spiral dondurucular, t\u00fcnel dondurucular ve ak\u0131\u015fkan yatakl\u0131 IQF dondurucular gibi ticari sistemler genellikle \u221235\u00b0C veya daha d\u00fc\u015f\u00fck hava s\u0131cakl\u0131klar\u0131 kullan\u0131r. IQF sistemleri ayr\u0131ca yiyecek par\u00e7alar\u0131n\u0131n birbirinden ayr\u0131lmas\u0131n\u0131 sa\u011flar, b\u00f6ylece b\u00fcy\u00fck bir blok halinde donmazlar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">End\u00fcstriyel vakum dondurucular veya IQF sistemleri ile dondurulan g\u0131dalar\u0131n \u00e7\u00f6z\u00fclmesinden sonra damlama kayb\u0131, evde dondurulan g\u0131dalara g\u00f6re daha az olur. Ev dondurucular\u0131 genellikle yakla\u015f\u0131k 0\u00b0F veya -18\u00b0C s\u0131cakl\u0131kta \u00e7al\u0131\u015f\u0131r ve g\u0131dalar\u0131 daha yava\u015f dondurur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>S\u0131k\u00e7a Sorulan Sorular<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Neden h\u0131zl\u0131 dondurma, yava\u015f dondurmadan daha iyi bir g\u0131da dokusu korur?<\/strong><strong><br><\/strong>H\u0131zl\u0131 dondurma dokuyu daha iyi korur \u00e7\u00fcnk\u00fc daha k\u00fc\u00e7\u00fck buz kristalleri olu\u015fur ve bu da h\u00fccrelere daha az zarar verir. Bu k\u00fc\u00e7\u00fck kristaller yiyece\u011fin yap\u0131s\u0131n\u0131 korumaya yard\u0131mc\u0131 olur ve \u00e7\u00f6z\u00fclmeden sonra nem kayb\u0131n\u0131 azalt\u0131r. Yava\u015f dondurma ise daha b\u00fcy\u00fck kristaller olu\u015fturarak h\u00fccreleri y\u0131prat\u0131r ve k\u00f6p\u00fckl\u00fc veya kuru dokulara neden olur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Buza kristal b\u00fcy\u00fckl\u00fc\u011f\u00fc ve olu\u015fum h\u0131z\u0131 donmu\u015f g\u0131dalar\u0131n saklanma kapasitesini nas\u0131l etkiliyor?<\/strong><strong><br><\/strong>K\u00fc\u00e7\u00fck buz kristalleri donmu\u015f yiyeceklerin \u00e7\u00f6z\u00fclmesinden sonra daha fazla su tutmas\u0131n\u0131 sa\u011flar. H\u0131zl\u0131 dondurma kristal olu\u015fumunu s\u0131n\u0131rland\u0131r\u0131r; bu nedenle h\u00fccre duvarlar\u0131 daha sa\u011flam kal\u0131r. Yava\u015f dondurma ise kristallerin b\u00fcy\u00fcmek i\u00e7in daha fazla zaman vermesini sa\u011flar; bu da h\u00fccrelere zarar verir ve s\u0131v\u0131n\u0131n s\u0131zmas\u0131n\u0131 sa\u011flar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u0131zl\u0131 dondurma i\u00e7in genellikle hangi s\u0131cakl\u0131k ve ko\u015fullar kullan\u0131l\u0131r?<\/strong><strong><br><\/strong>H\u0131zl\u0131 dondurma i\u015flemleri genellikle ev tipi buzdolaplar\u0131nda \u221218 \u00b0C (0 \u00b0F) veya daha d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda ger\u00e7ekle\u015ftirilir; end\u00fcstriyel h\u0131zl\u0131 dondurma sistemleri ise \u221235 \u00b0C (\u221231 \u00b0F) veya daha d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda \u00e7al\u0131\u015f\u0131r. \u0130yi hava sirk\u00fclasyonu ve paketler aras\u0131ndaki mesafe de g\u0131dalar\u0131n daha h\u0131zl\u0131 donmas\u0131n\u0131 sa\u011flar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Yava\u015f dondurma i\u015flemi, yiyecek \u00e7\u00f6z\u00fcl\u00fcrken damlama kayb\u0131na neden olur mu?<\/strong><strong><br><\/strong>Yava\u015f donma, h\u00fccre zaralar\u0131n\u0131 bozacak b\u00fcy\u00fck buz kristalleri olu\u015fturarak damla kayb\u0131na neden olur. G\u0131da eriyerken, hasarl\u0131 h\u00fccreler s\u0131v\u0131lar\u0131n\u0131 tutamaz hale gelir. Serbest kalan nem damla olarak biriktirilir ve bu durum meyve suyu k\u0131vam\u0131n\u0131 ve dokusunu d\u00fc\u015f\u00fcr\u00fcr.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Donma ve \u00e7\u00f6z\u00fclme s\u0131ras\u0131nda hangi g\u0131dalar nem kayb\u0131na daha fazla e\u011filimlidir?<\/strong><strong><br><\/strong>Y\u00fcksek su tutma \u00f6zelli\u011fine sahip yiyecekler donma ve \u00e7\u00f6z\u00fclme s\u0131ras\u0131nda nem kayb\u0131na daha fazla e\u011filimlidir. Meyveler, sebzeler, bal\u0131k ve ya\u011fs\u0131z etler h\u00fccreler zarar g\u00f6rd\u00fc\u011f\u00fcnde kolayca s\u0131v\u0131 kaybedebilir. \u00c7ilekler ve yaprakl\u0131 sebzeler \u00f6zellikle hassas olduklar\u0131ndan daha fazla risk alt\u0131ndad\u0131r \u00e7\u00fcnk\u00fc h\u00fccre duvarlar\u0131 hassast\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"<p>Rapid freezing helps food keep its texture because it forms small ice crystals quickly. These small crystals cause less damage to food cells. As a result, the food loses less water and holds its shape better after freezing and thawing. Fast freezing also helps food keep its weight, moisture, and structure during storage. Slow freezing [\u2026]<\/p>\n","protected":false},"author":3,"featured_media":1945,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[52],"tags":[],"class_list":["post-2254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iqf"],"acf":[],"_links":{"self":[{"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/posts\/2254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/comments?post=2254"}],"version-history":[{"count":1,"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/posts\/2254\/revisions"}],"predecessor-version":[{"id":2692,"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/posts\/2254\/revisions\/2692"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/media\/1945"}],"wp:attachment":[{"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/media?parent=2254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/categories?post=2254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/en.ntsquare.com\/tr\/wp-json\/wp\/v2\/tags?post=2254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}