Wani marubucin kimiyya na jaridar Amurka The Washington Post ya yi nazari kan kayayyaki daban-daban kuma ya gano waɗanne ne ya fi dacewa a saya kawai a cikin nau'i na "kwayoyin halitta", kuma waɗanda ba su da buƙata akan irin wannan bukata. An ba da kulawa ta musamman a cikin rahoton ga madara.
Wane madara ya fi lafiya? Shin madarar masana'antu tana ƙunshe da maganin kashe kwayoyin cuta da kari na hormonal? Shin yana da lafiya ga yara? Waɗannan da wasu tambayoyi ne wannan binciken ya amsa.
Ya bayyana cewa idan aka kwatanta da madara na yau da kullun (wanda aka samu a gonar masana'antu kuma ana sayar da shi a cikin jerin shaguna a cikin birni), madarar noma ta fi wadata a cikin lafiyayyen omega-3-unsaturated fatty acids - haka kuma, yawancin ciyawa da saniya ke ci a lokacin. shekara, da yawa daga cikinsu . An yi nazarin wasu ka'idojin abinci mai gina jiki don noma/madara na kasuwanci amma da alama ba su da kyau a cikin bayanan bincike.
Matsayin gurɓataccen ƙwayar cuta tare da maganin rigakafi a cikin gonaki da madarar masana'antu iri ɗaya ne - sifili: bisa ga doka, kowane jug na madara yana ƙarƙashin tabbatarwa ta wajibi ta hanyar ƙwararrun, idan akwai bambance-bambance, an rubuta samfurin (kuma yawanci ana zubawa) . Ba a ba shanun noma maganin rigakafi ba - kuma ana ba da shanu a gonakin masana'antu, amma kawai a lokacin rashin lafiya (saboda dalilai na likita) - kuma har sai an warke gaba daya kuma an daina maganin, madara daga waɗannan shanu ba a sayar da su ba.
Duk kayayyakin kiwo - gonaki da masana'antu - sun ƙunshi "ƙananan" (bisa ga bayanan gwamnati - a cikin Amurka) adadin DDE toxin - "sannu" daga baya, lokacin da a yawancin ƙasashe na duniya suka fara amfani da su. DDT sinadarai mai haɗari ba tare da wani dalili ba (sannan suka gane shi, amma ya yi latti – ya riga ya shiga ƙasa). A cewar masana kimiyya, abun ciki na DDE a cikin ƙasa noma a duniya za a rage zuwa m kawai a cikin shekaru 30-50.
Wani lokaci nonon yana zuwa kasuwa wanda ba a yi kiwo yadda ya kamata ba (kuskuren pasteurization) - amma babu bayanan da madara - masana'antu ko gonaki - wannan yana faruwa sau da yawa, a'a - duk wani madara daga kowace tushe dole ne a fara kawowa a tafasa. Don haka wannan abu kuma yana "daidaita" madarar noma tare da madarar masana'antu.
Amma idan yazo ga hormones - akwai babban bambanci! Ba a allurar shanun gonaki da magungunan hormonal - kuma shanun "masana'antu" ba su da sa'a sosai, an yi musu allurar hormone girma na bovin (bovin-stomatotropin - an rage shi a matsayin BST ko bambancinsa - recombinant bovin-stomatotropin, rBST).
Yadda irin wannan alluran "da amfani" ga saniya batu ne don nazarin daban, kuma ba ma hormone kanta ba ne mai haɗari ga mutane (saboda, a ka'idar, ya kamata ya mutu a lokacin pasteurization ko, a cikin matsanancin hali, a cikin m). muhallin cikin mutum), amma bangarensa, wanda ake kira “insulin-like growth factor-1” (IGF-I). Wasu nazarin sun danganta wannan abu zuwa tsufa da kuma ci gaban kwayoyin cutar daji a cikin jiki - wasu ba su goyi bayan irin wannan ƙarshe ba. A cewar ƙungiyoyi masu ba da izini na hukuma, matakin abun ciki na IGF-1 a cikin madarar da aka siya ba ta wuce ƙa'idar da aka halatta ba (ciki har da amfani da yara) - amma a nan, ba shakka, kowa yana da 'yanci don yanke shawarar kansa.