{"id":222342,"date":"2021-04-27T09:38:47","date_gmt":"2021-04-27T08:38:47","guid":{"rendered":"http:\/\/zakrasnejsivimperk.cz\/?p=222342"},"modified":"2021-04-27T09:38:47","modified_gmt":"2021-04-27T08:38:47","slug":"dtest-tezke-kovy-a-morfin-polovina-testovanych-baleni-maku-propadla","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=222342","title":{"rendered":"dTest: T\u011b\u017ek\u00e9 kovy a morfin. Polovina testovan\u00fdch balen\u00ed m\u00e1ku propadla"},"content":{"rendered":"

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Nen\u00e1padnou ingredienci zpravidla najdeme ve sp\u00ed\u017e\u00edch v\u011bt\u0161iny \u010desk\u00fdch dom\u00e1cnost\u00ed. Spot\u0159ebitelskou organizaci dTest proto zaj\u00edmalo, jak si nakoupen\u00e9 vzorky m\u00e1ku povedou nejen s ohledem na po\u017eadavky vyhl\u00e1\u0161ky. Osmn\u00e1ct vzork\u016f se ocitlo pod drobnohledem laboratorn\u00edch p\u0159\u00edstroj\u016f a v\u00fdsledky testu nep\u0159\u00edjemn\u011b p\u0159ekvapily. V\u00edce ne\u017e p\u016flka vzork\u016f si toti\u017e kv\u016fli nadlimitn\u00edmu obsahu ne\u017e\u00e1douc\u00edch l\u00e1tek odnesla nedostate\u010dn\u00e9 hodnocen\u00ed.<\/h6>\n

\"\"Odborn\u00e1 laborato\u0159 prozkoumala deset vzork\u016f m\u00e1ku mlet\u00e9ho a osm s cel\u00fdmi semeny. Pokud si chcete u\u017e\u00edt lep\u0161\u00ed chu\u0165 i v\u016fni m\u00e1ku, v obchod\u011b nejsp\u00ed\u0161e s\u00e1hnete po tom cel\u00e9m, kter\u00fd si doma sami rozemelete. U mlet\u00e9ho m\u00e1ku m\u016f\u017eete narazit na hor\u0161\u00ed kvalitu, jeliko\u017e po\u017eadavky vyhl\u00e1\u0161ky na \u010distotu se na n\u011bj nevztahuj\u00ed. Senzoricky tak bude pravd\u011bpodobn\u011b v\u017edy hor\u0161\u00ed a tak\u00e9 n\u00e1chyln\u011bj\u0161\u00ed ke \u017eluknut\u00ed.<\/p>\n

Mlet\u00fd m\u00e1k je zpravidla o\u0161et\u0159en\u00fd takzvanou termostabilizac\u00ed. Jde o \u00fapravu mlet\u00fdch semen horkou p\u00e1rou, kter\u00e1 z\u00e1rove\u0148 m\u016f\u017ee negativn\u011b ovlivnit jejich chu\u0165 a v\u016fni. O t\u00e9to skute\u010dnosti v\u0161ak mus\u00ed b\u00fdt spot\u0159ebitel informov\u00e1n na obalu. Termostabilizace m\u00e1 zabr\u00e1nit necht\u011bn\u00fdm chemick\u00fdm proces\u016fm v poru\u0161en\u00fdch semenech a zhor\u0161ov\u00e1n\u00ed jejich kvality. Krom\u011b toho tento proces sni\u017euje obsah morfinu, kodeinu a dal\u0161\u00edch opiov\u00fdch alkaloid\u016f.<\/p>\n

\u201eMezi deseti vzorky mlet\u00e9ho m\u00e1ku, kter\u00e9 jsme otestovali, deklarovaly termostabilizaci v\u0161echny vyjma jednoho. \u0160est z nich z\u00e1rove\u0148 uv\u00e1d\u011blo jako p\u016fvod \u010ceskou republiku, t\u0159i zemi p\u016fvodu neuv\u00e1d\u011bly,”<\/em> uv\u00e1d\u00ed \u0161\u00e9fredaktorka \u010dasopisu dTest Hana Hoffmannov\u00e1.<\/p>\n

Vyhl\u00e1\u0161ka stanov\u00ed mimo jin\u00e9 nejvy\u0161\u0161\u00ed povolen\u00fd obsah vlhkosti, jeho\u017e smyslem je zabr\u00e1nit mno\u017een\u00ed mikroorganism\u016f. D\u00e1le pak maxim\u00e1ln\u00ed pod\u00edly ne\u017e\u00e1douc\u00edch p\u0159\u00edm\u011bs\u00ed, jako jsou nap\u0159\u00edklad ne\u010distoty nejr\u016fzn\u011bj\u0161\u00edho charakteru, semena jin\u00e9ho m\u00e1ku a jin\u00fdch pleveln\u00fdch \u010di jedovat\u00fdch rostlin.<\/p>\n

\u201ePolovina v\u00fdrobk\u016f nem\u011bla se spln\u011bn\u00edm po\u017eadavk\u016f v\u011bt\u0161\u00ed probl\u00e9my, \u010dty\u0159i si v\u0161ak odnesly dostate\u010dn\u00e9 hodnocen\u00ed, proto\u017ee n\u011bkter\u00e9 z p\u0159edepsan\u00fdch krit\u00e9ri\u00ed nedodr\u017eely. Nespln\u011bn\u00ed by\u0165 jedin\u00e9ho se pak negativn\u011b projevilo na celkov\u00e9m hodnocen\u00ed jakosti,”<\/em> vysv\u011btluje Hana Hoffmannov\u00e1. P\u0159\u00edli\u0161 vysokou vlhkost dTest zjistil u m\u00e1ku bio nebio nebo u vzork\u016f Allnature M\u00e1k modr\u00fd Bio a Country Life M\u00e1k modr\u00fd Bio.<\/p>\n

Tu\u010dn\u00e1 semena m\u00e1ku obsahuj\u00ed olej. Nejm\u00e9n\u011b i nejv\u00edce tuku dTest zjistil u cel\u00e9ho m\u00e1ku \u2013 bio nebio (39,1\u2009%) a Country Life (47 %). V testu v\u0161ak ne\u0161lo jen o obsah, ale tak\u00e9 o kvalitu tuku. V laborato\u0159i tak do\u0161lo na stanoven\u00ed takzvan\u00e9ho \u010d\u00edsla kyselosti, kter\u00e9 ud\u00e1v\u00e1 stupe\u0148 rozkladu tuku. Asi desetin\u00e1sobn\u011b vy\u0161\u0161\u00ed \u010d\u00edslo kyselosti ve srovn\u00e1n\u00ed s ostatn\u00edmi odhalil dTest u Natura M\u00e1k modr\u00fd mlet\u00fd. Za vysok\u00fdm \u010d\u00edslem kyselosti m\u016f\u017ee st\u00e1t nap\u0159\u00edklad nezralost semen, jejich po\u0161kozen\u00ed \u010di nevhodn\u00e9 skladovac\u00ed podm\u00ednky. \u017d\u00e1dn\u00fd ze vzork\u016f ov\u0161em svoj\u00ed hodnotou nevybo\u010doval z norm\u00e1lu.<\/p>\n

Nen\u00ed \u017e\u00e1dn\u00fdm tajemstv\u00edm, \u017ee m\u00e1k v nezral\u00fdch makovic\u00edch obsahuje a\u017e 80 opiov\u00fdch alkaloid\u016f, mezi ty nejzn\u00e1m\u011bj\u0161\u00ed pat\u0159\u00ed n\u00e1vykov\u00e1 l\u00e1tka morfin. Podle Ministerstva zem\u011bd\u011blstv\u00ed se obsah morfinu v semenech potravin\u00e1\u0159sk\u00e9ho m\u00e1ku pohybuje do 20 mg na kilogram.<\/p>\n

P\u0159esto\u017ee jsou odr\u016fdy \u010desk\u00e9ho potravin\u00e1\u0159sk\u00e9ho modr\u00e9ho m\u00e1ku vy\u0161lecht\u011bny tak, aby v nich byl obsah morfinu n\u00edzk\u00fd, a v samotn\u00fdch semenech se alkaloidy nenach\u00e1zej\u00ed, m\u016f\u017eou se do nich dostat spolu s makovinou. Celkov\u00fd sou\u010det morfinov\u00fdch alkaloid\u016f p\u0159\u00edpustn\u00fdch v potravin\u00e1\u0159sk\u00e9m m\u00e1ku limituje makov\u00e1 vyhl\u00e1\u0161ka na 25 mg na kilogram. Kv\u016fli vy\u0161\u0161\u00edm hodnot\u00e1m tak \u0161est vzork\u016f cel\u00e9ho i mlet\u00e9ho m\u00e1ku zcela propadlo.<\/p>\n

Vyhl\u00e1\u0161ka u m\u00e1ku stanov\u00ed i limity t\u011b\u017ek\u00fdch kov\u016f. \u201eDva zkouman\u00e9 vzorky kv\u016fli nadlimitn\u00edm hodnot\u00e1m propadly. Ar. Rashid M\u00e1k modr\u00fd nevyhov\u011bl obsahem arsenu, Albert M\u00e1k modr\u00fd pak p\u0159evy\u0161oval povolen\u00e9 mno\u017estv\u00ed obsa\u017een\u00e9ho kadmia, a to i se zapo\u010dten\u00edm nejistoty m\u011b\u0159en\u00ed v jejich prosp\u011bch,<\/em>” uzav\u00edr\u00e1 Hana Hoffmannov\u00e1.<\/p>\n

Text a foto: dTest<\/strong><\/p>\n

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