Tare da zuwan lokacin rani, kowane irin abubuwan sha a cikin lokacin tallace-tallace, yawancin masu amfani suna tambaya: wane kwalban abin sha ne ya fi aminci? Shin duk gwangwani sun ƙunshi BPA?
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Babban sakatare na kungiyar shirya kayan abinci ta kasa da kasa, kwararre kan kare muhalli Dong Jinshi ya shaidawa manema labarai cewa robobin polycarbonate dake dauke da bisphenol A yana da tsafta, mara saukin karyewa da sauran halaye. Masu kera suna amfani da shi wajen kera kayayyaki iri-iri, kamar kayan tebur na roba, kwalabe na ruwa, kwalabe na jarirai, gwangwani na ciye-ciye, da dai sauransu. Ana amfani da resin Epoxy mai dauke da bisphenol A a cikin kwantena na abinci da abin sha kamar gwangwani abinci da gwangwani. Dalilin da yasa akwatin marufi na gwangwani na ƙarfe da gwangwani na aluminum ya ƙunshi bisphenol A shine cewa bisphenol A yana da sakamako mai kyau na lalata kuma yana iya hana oxygen da microorganisms shiga cikin gwangwani.
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Dong Jinshi yana tunatar da cewa, a halin yanzu yana dauke da bisphenol A ba wai kawai aluminum ke iya cola ba, tare da iyawar ƙarfe,aluminum iya marufina poruel guda takwas, 'ya'yan itacen gwangwani da sauransu su ma suna dauke da bisphenol A. Sai dai kuma Dong Jinshi ya yi nuni da cewa, wannan ba yana nufin cewa dukkan gwangwani na dauke da BPA ba, wasu gwangwani a halin yanzu ana yin su ne da roba, matukar ba a yi su da PC ba. filastik, ba su ƙunshi BPA ba.

Gabatarwa zuwa Kimiyyar Kimiyya
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Bisphenol A, sunan kimiyya na 2, 2-di (4-hydroxyphenyl) propane, wani muhimmin kayan sinadari ne mai mahimmanci, phenol da acetone mahimman abubuwan da suka samo asali na bisphenol A kwayoyin sararin samaniya mai cike da samfurin, wanda aka fi amfani dashi a cikin samar da polycarbonate, epoxy guduro, polysulfone guduro, polyphenyl ether guduro, unsaturated polyester guduro da sauran polymer kayan. Hakanan za'a iya amfani dashi a cikin samar da filastik, mai hana wuta, antioxidant, mai daidaita zafi, antioxidant roba, magungunan kashe qwari, fenti da sauran samfuran sinadarai masu kyau.
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Bayanan sun nuna cewa bisphenol A wani ƙananan sinadari ne mai guba. Gwaje-gwajen dabbobi sun gano cewa bisphenol A yana da tasirin kwaikwayar estrogen, ko da adadin ya yi ƙasa sosai, zai iya sa dabbar ta samar da farkon mace balagagge, raguwar maniyyi, haɓakar prostate da sauran tasirin. Bugu da ƙari, an nuna cewa bisphenol A yana da wasu guba na amfrayo da kuma teratogenicity, wanda zai iya ƙara yawan ciwon daji na ovarian, prostate cancer, leukemia da sauran cututtuka na dabbobi.

Yadda ake zabar abin sha wanda ba bisphenol ba
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Kasuwar bisphenol A ba ta ɓace ba, kuma haɗarin haɗari na bisphenol A na iya kasancewa. Don haka, wanne marufi ne ya fi aminci a kasuwa? Yadda za a gano samfuran filastik da ke ɗauke da bisphenol A?
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Lokacin zabar abin sha mai gwangwani, yana da mahimmanci musamman don karanta lambobi a cikin alamar triangular a ƙasan kwalban filastik. Saboda kowane lamba yana wakiltar kayan filastik, kayan daban-daban, ayyuka daban-daban, yanayin amfani mai aminci kuma sun bambanta.
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Bisa ga ma'auni na ƙasa, "1" yana nufin PET (polyethylene terephthalate), wanda ake amfani dashi a cikin kwalabe na ruwa na ma'adinai da kwalabe na abin sha. Heat resistant 70 ℃, kawai dace da dakin zafin jiki sha ko daskararre abin sha, high zafin jiki ruwa ne mai sauki nakasawa, dogon lokaci maimaita amfani iya saki cutarwa gas; "3" yana wakiltar PVC (7810,15.00,0.19%) (polyvinyl chloride), wanda ba za a iya amfani dashi a cikin kayan abinci ba; "4" yana wakiltar LDPE (ƙananan polyethylene), wanda ake amfani dashi don fim ɗin cin abinci, fim ɗin filastik, da sauransu, lokacin da ya hadu da 110 ℃, za a sami yanayin narkewa mai zafi, don haka kafin amfani da tanda na microwave, tabbatar da cire fim ɗin abinci. na farko; "5" yana nufin PP (polypropylene), wanda ake amfani dashi a cikin akwatunan abincin rana na microwave kuma za'a iya mai tsanani; “6″ yana nufin PS (polystyrene), wanda ake amfani da shi don yin kwano na kwalayen noodle na gaggawa da akwatunan abinci mai sauri, amma ba za a iya yin zafi a cikin tanda na microwave ba, kuma ba za a iya amfani da shi don ɗaukar abubuwa masu ƙarfi na acid da alkaline ba; "7" yana nufin polycarbonate (PC) da sauran nau'ikan, wanda ke nufin cewa idan lambar a cikin triangle ya kasance 7, dole ne ya ƙunshi BPA.

Mu ne wanialuminum iyasamar da fitarwa na fiye da shekaru 15, shekaru da yawa na aluminum iya samar da kwarewa, mu kula da abinci aminci, ga aluminum iya shafi, duk da yin amfani da ciki shafi kayan cikin layi tare da kasa matsayin, don tabbatar da aminci, a Bugu da kari, mu ma. keraAluminum na BPA kyauta, maraba da abokan ciniki daga duk ƙasashe don su zo don tuntuɓar