[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.spacium.cz\/je-potravina-ohrata-v-mikrovlnce-skutecne-znehodnocena\/#Article","mainEntityOfPage":"https:\/\/www.spacium.cz\/je-potravina-ohrata-v-mikrovlnce-skutecne-znehodnocena\/","headline":"Je potravina oh\u0159\u00e1t\u00e1 v mikrovlnce skute\u010dn\u011b znehodnocena?","name":"Je potravina oh\u0159\u00e1t\u00e1 v mikrovlnce skute\u010dn\u011b znehodnocena?","description":"Zda j\u00eddlo oh\u0159\u00edvan\u00e9 v mikrovlnce je \u010di nen\u00ed \u0161kodliv\u00e9, d\u011bl\u00ed spole\u010dnost na dva t\u00e1bory. Jedni jsou jej\u00ed zast\u00e1nci, druz\u00ed by ji nikdy nepou\u017eili. Pak je tu mo\u017en\u00e1 je\u0161t\u011b jedna skupina, kter\u00e9 je to jedno. Zkusme se na mikrovlnn\u00fd oh\u0159ev pod\u00edvat, jak to s n\u00edm vlastn\u011b je Na jak\u00e9m principu prob\u00edh\u00e1 oh\u0159ev v mikrovlnce Mikrovlnka se li\u0161\u00ed podle v\u00fdrobce,...","datePublished":"2019-11-27","dateModified":"2023-05-25","author":{"@type":"Person","@id":"https:\/\/www.spacium.cz\/author\/#Person","name":"","url":"https:\/\/www.spacium.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/163f6c65c8acab43fa062eaf19866aeb6d6c2adc4d5c2462700a89e6feec77a0?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/163f6c65c8acab43fa062eaf19866aeb6d6c2adc4d5c2462700a89e6feec77a0?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"spacium.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.spacium.cz\/wp-content\/uploads\/img_a359301_w3371_t1573323245.png","url":"https:\/\/www.spacium.cz\/wp-content\/uploads\/img_a359301_w3371_t1573323245.png","height":0,"width":0},"url":"https:\/\/www.spacium.cz\/je-potravina-ohrata-v-mikrovlnce-skutecne-znehodnocena\/","about":["Zdrav\u00ed"],"wordCount":485,"articleBody":"Zda j\u00eddlo oh\u0159\u00edvan\u00e9 v mikrovlnce je \u010di nen\u00ed \u0161kodliv\u00e9, d\u011bl\u00ed spole\u010dnost na dva t\u00e1bory. Jedni jsou jej\u00ed zast\u00e1nci, druz\u00ed by ji nikdy nepou\u017eili. Pak je tu mo\u017en\u00e1 je\u0161t\u011b jedna skupina, kter\u00e9 je to jedno. Zkusme se na mikrovlnn\u00fd oh\u0159ev pod\u00edvat, jak to s n\u00edm vlastn\u011b je\tNa jak\u00e9m principu prob\u00edh\u00e1 oh\u0159ev v mikrovlnce\tMikrovlnka se li\u0161\u00ed podle v\u00fdrobce, zna\u010dky a velikosti. Trouba vyd\u00e1v\u00e1 elektromagnetick\u00e9 vln\u011bn\u00ed o frekvenci p\u0159ibli\u017en\u011b 2,5 Ghz. Toto vln\u011bn\u00ed rozpohybuje molekuly vody, kter\u00e9 jsou p\u0159\u00edtomn\u00e9 – by\u0165 jen ve stopov\u00e9m mno\u017estv\u00ed – v ka\u017ed\u00e9 potravin\u011b. Molekuly vody se rozkmitaj\u00ed, p\u0159i pohybu se o sebe t\u0159ou a t\u00edm vznik\u00e1 teplo. Okraje potravin jsou su\u0161\u0161\u00ed, proto je potravina oh\u0159\u00edvan\u00e1 v mikrovlnce d\u0159\u00edve tepl\u00e1 uprost\u0159ed, kde je nejv\u00edce vody.  \tNev\u00fdhodou tohoto oh\u0159evu vody v potravin\u011b je zm\u011bna chuti. Oh\u0159\u00e1t\u00e1 voda se postupn\u011b vypa\u0159uje a t\u00edm doch\u00e1z\u00ed ke zm\u011bn\u011b chuti. Na rozd\u00edl p\u0159i oh\u0159evu j\u00eddla klasick\u00fdm zp\u016fsobem, kdy prob\u00edh\u00e1 oh\u0159ev z venku, ke zm\u011bn\u011b chuti nedoch\u00e1z\u00ed. Tento zp\u016fsob oh\u0159evu z venku uzav\u0159e p\u00f3ry na potravin\u011b, \u010d\u00edm\u017e se zamez\u00ed v\u00fdparu vody a v potravin\u011b z\u016fst\u00e1v\u00e1 st\u00e1le stejn\u00e9 mno\u017estv\u00ed vody.\tJe j\u00eddlo z mikrovlnky zdravotn\u011b znehodnocen\u00e9?\tOp\u011bt na tuto ot\u00e1zku odpov\u00ed molekuly vody. Oh\u0159ev v mikrovlnce dos\u00e1hne maxim\u00e1ln\u011b 100°C, tedy varn\u00e9ho bodu vody. Oproti klasick\u00e9mu oh\u0159evu, kter\u00fd je d\u00e1n horn\u00ed hranic\u00ed plot\u00fdnky a dosahuje o mnoho vy\u0161\u0161\u00ed teploty. Plyne z toho, \u017ee p\u0159i oh\u0159evu potravin na spor\u00e1ku, si ponechaj\u00ed svoji chu\u0165, ale pouze v p\u0159\u00edpad\u011b, \u017ee nebude potravina p\u0159eh\u0159\u00e1t\u00e1 a\u017e p\u0159ip\u00e1len\u00e1. P\u0159i p\u0159eh\u0159\u00edv\u00e1n\u00ed, p\u0159\u00edpadn\u011b p\u0159ipalov\u00e1n\u00ed, mohou z tuk\u016f a cukr\u016f, vznikat karcinogenn\u00ed l\u00e1tky.\t\tZat\u00edmco mikrovlnka takto potravinu znehodnotit nedok\u00e1\u017ee (d\u00edky varn\u00e9mu bodu vody). Ovliv\u0148uje chu\u0165 potravin, ale ve sv\u00e9 podstat\u011b se jedn\u00e1 o oh\u0159ev v p\u00e1\u0159e. Ve vodn\u00ed p\u00e1\u0159e potraviny.\tZm\u011bn\u011b chuti b\u011bhem mikrovlnn\u00e9ho oh\u0159evu lze snadno p\u0159edej\u00edt pomal\u00fdm oh\u0159evem. T\u00edm nedojde k dosa\u017een\u00ed vysok\u00e9ho stupn\u011b teploty vyvol\u00e1vaj\u00edc\u00ed v\u011bt\u0161\u00ed odpa\u0159ov\u00e1n\u00ed vody a j\u00eddlo si zachov\u00e1 svou chu\u0165.\tTato skute\u010dnost vysv\u011btluje, \u017ee oh\u0159ev potravin v mikrovlnce, je zdravou variantou oh\u0159evu. Stejn\u011b tak jako p\u0159i oh\u0159\u00edv\u00e1n\u00ed na spor\u00e1ku. Ov\u0161em zde mus\u00edme b\u00fdt opatrn\u00ed p\u0159ed p\u0159\u00edpadn\u00fdm p\u0159eh\u0159\u00e1t\u00edm nebo dokonce p\u0159ip\u00e1len\u00edm potravin.                                                                                                                                                                                                                                                                                                                                                                                        4.6\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Je potravina oh\u0159\u00e1t\u00e1 v mikrovlnce skute\u010dn\u011b znehodnocena?","item":"https:\/\/www.spacium.cz\/je-potravina-ohrata-v-mikrovlnce-skutecne-znehodnocena\/#breadcrumbitem"}]}]