[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.lomp.cz\/ovoce-susene-mrazem-neni-ochuzene-o-vitaminy\/#Article","mainEntityOfPage":"https:\/\/www.lomp.cz\/ovoce-susene-mrazem-neni-ochuzene-o-vitaminy\/","headline":"Ovoce su\u0161en\u00e9 mrazem nen\u00ed ochuzen\u00e9 o vitam\u00edny","name":"Ovoce su\u0161en\u00e9 mrazem nen\u00ed ochuzen\u00e9 o vitam\u00edny","description":"Jist\u011b je v\u00e1m zn\u00e1mo, \u017ee v mrazic\u00edm boxu z\u016fst\u00e1v\u00e1 kvalita potravin na vysok\u00e9 \u00farovni dlouhou dobu, a \u017ee je to vynikaj\u00edc\u00ed zp\u016fsob, jak bez pou\u017eit\u00ed konzerva\u010dn\u00edch p\u0159\u00edsad uchovat hotov\u00e1 j\u00eddla, polotovary, zeleninov\u00e9 sm\u011bsi do pol\u00e9vky atd. Konzervace mrazem je lidstvu zn\u00e1ma ji\u017e stovky let, ale ke skute\u010dn\u00e9mu pr\u016flomu do\u0161lo a\u017e s v\u00fdrobou chladic\u00edch za\u0159\u00edzen\u00ed a […]","datePublished":"2019-09-05","dateModified":"2023-05-01","author":{"@type":"Person","@id":"https:\/\/www.lomp.cz\/author\/#Person","name":"","url":"https:\/\/www.lomp.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/68b3ed45b3ae6ecdad6bfa25b4077e93536d7764172b2830acbdb661d7242512?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/68b3ed45b3ae6ecdad6bfa25b4077e93536d7764172b2830acbdb661d7242512?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"lomp.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.lomp.cz\/wp-content\/uploads\/img_a369966_w2372_t1581847621.jpg","url":"https:\/\/www.lomp.cz\/wp-content\/uploads\/img_a369966_w2372_t1581847621.jpg","height":0,"width":0},"url":"https:\/\/www.lomp.cz\/ovoce-susene-mrazem-neni-ochuzene-o-vitaminy\/","about":["Dovolen\u00e1"],"wordCount":406,"articleBody":"       Jist\u011b je v\u00e1m zn\u00e1mo, \u017ee v mrazic\u00edm boxu z\u016fst\u00e1v\u00e1 kvalita potravin na vysok\u00e9 \u00farovni dlouhou dobu, a \u017ee je to vynikaj\u00edc\u00ed zp\u016fsob, jak bez pou\u017eit\u00ed konzerva\u010dn\u00edch p\u0159\u00edsad uchovat hotov\u00e1 j\u00eddla, polotovary, zeleninov\u00e9 sm\u011bsi do pol\u00e9vky atd. Konzervace mrazem je lidstvu zn\u00e1ma ji\u017e stovky let, ale ke skute\u010dn\u00e9mu pr\u016flomu do\u0161lo a\u017e s v\u00fdrobou chladic\u00edch za\u0159\u00edzen\u00ed a tak\u00e9 s procesem zvan\u00fdm lyofilizace. Tento krkolomn\u00fd n\u00e1zev je ve skute\u010dnosti docela prost\u00fdm fyzik\u00e1ln\u00edm jevem \u2013 na po\u010d\u00e1tku dvac\u00e1t\u00e9ho stolet\u00ed s n\u00edm sezn\u00e1mili ve\u0159ejnost francouz\u0161t\u00ed v\u011bdci, kte\u0159\u00ed vyv\u00edjeli \u00fa\u010dinnou vakc\u00ednu proti vzteklin\u011b, a o p\u016fl stolet\u00ed pozd\u011bji se ji\u017e lyofilizovan\u00e9 slo\u017eky stravy objevily na palub\u011b kosmick\u00fdch lod\u00ed vesm\u00edrn\u00e9ho programu Mercury. Technologick\u00fd postup spo\u010d\u00edv\u00e1 v sublimaci tekut\u00fdch slo\u017eek (vody) v potravin\u00e1ch, je k tomu krom\u011b mrazu zapot\u0159eb\u00ed sn\u00ed\u017eit tlak vzduchu. Hlavn\u00ed v\u00fdhoda spo\u010d\u00edv\u00e1 ve vylou\u010den\u00ed procesu odpa\u0159ov\u00e1n\u00ed \u2013 zm\u011bny skupenstv\u00ed vody z kapaln\u00e9ho na plynn\u00e9, co\u017e je typick\u00fd projev klasick\u00e9ho su\u0161en\u00ed potravin, p\u0159i n\u011bm\u017e doch\u00e1z\u00ed k degradaci jednotliv\u00fdch slo\u017eek a k jejich \u010d\u00e1ste\u010dn\u00e9mu znehodnocen\u00ed. Dnes se t\u00edmto zp\u016fsobem dod\u00e1v\u00e1 na trh velmi \u017e\u00e1dan\u00e9 ovoce su\u0161en\u00e9 mrazem. M\u016f\u017ee to b\u00fdt cokoli, po\u010d\u00ednaje meru\u0148kami a broskvemi a kon\u010de t\u0159eba malinami \u010di brusinkami. Tolik jich nesn\u00edte \u2013 a\u010dkoli je cena lyofilizovan\u00e9ho ovoce pom\u011brn\u011b vysok\u00e1, odpov\u00edd\u00e1 to mno\u017estv\u00ed ovoce, kter\u00e9 su\u0161en\u00edm sn\u00ed\u017e\u00ed svou p\u016fvodn\u00ed hmotnost o des\u00edtky procent. Doch\u00e1z\u00ed pak k zaj\u00edmav\u00e9 iluzi, kdy si nasypete do dlan\u011b malou hrst su\u0161en\u00fdch ban\u00e1nov\u00fdch pl\u00e1tk\u016f, kter\u00e1 ve skute\u010dnosti znamen\u00e1 p\u011bt nebo \u0161est velk\u00fdch, \u010derstv\u00fdch a zral\u00fdch ban\u00e1n\u016f. Ide\u00e1ln\u00ed zp\u016fsob uchov\u00e1n\u00ed ovoce \u2013 lyofilizac\u00ed z\u016fstane v ovoci v\u011bt\u0161ina p\u016fvodn\u00edch cenn\u00fdch v\u00fd\u017eivov\u00fdch slo\u017eek \u2013 vitam\u00edn C, provitam\u00edn A, enzymy, to v\u0161e se ztr\u00e1c\u00ed klasick\u00fdm su\u0161en\u00edm, zat\u00edmco touto cestou nikoli. Neblah\u00fd vliv na rozpad bioaktivn\u00edch l\u00e1tek v ovoci m\u00e1 teplota nad 42 stup\u0148\u016f Celsia, naopak n\u00edzk\u00e9 teploty tyto ne\u017e\u00e1douc\u00ed jevy nezp\u016fsobuj\u00ed.                                                                                                                                                                                                                                                                                                                                                                                            4.7\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Ovoce su\u0161en\u00e9 mrazem nen\u00ed ochuzen\u00e9 o vitam\u00edny","item":"https:\/\/www.lomp.cz\/ovoce-susene-mrazem-neni-ochuzene-o-vitaminy\/#breadcrumbitem"}]}]