UbuhleIzimonyo

Parabens izimonyo - kuyingozi noma cha

Eminyakeni yamuva, ososayensi abaningi abavelele baye bazwakalisa inkolelo yokuthi parabens izimonyo - kuyingozi, kodwa ezingeni zomthetho awukwazi abeke kuvinjelwe ukusetshenziswa kwazo. Izinkampani ezinkulu yezimonyo ozama ukuxazulula le nkinga futhi kancane kancane ukuqeda ukusetshenziswa nezivimbelakuvunda imikhiqizo yabo.

Ngakho-ke yini parabens izimonyo, kuyingozi ngempela noma umane sihloko unwound for ingxoxo?

Ngokuthi parabens amakhemikhali, okuyinto ngenxa impahla yayo ukuvimbela ukubukeka nisebancane isikhunta namagciwane. Zisetshenziswa hhayi kuphela izimonyo, kodwa futhi ukudla kanye nezimboni zezokwelapha. Ezinye parabens zitholakala ngisho nemvelo, kodwa parabens izimonyo - kukhona imikhiqizo engama synthetic.

Emazweni amaningi athuthukile, inani parabens izimonyo akuvunyelwe ezilawulwayo. Ngokwesibonelo, parabens ezifana propyl - methyl -, butyl -, ethylparaben futhi isoforms zabo ezihlukahlukene akuvumelekile isamba asisikhulu kunenkosi 0.4% futhi kufanele kube paraben kuphela umkhiqizo. Uma parabens esebenzayo ingxube, emakamu yayo kumele singeqi 0.8%. Kukhona umbono wabanye ochwepheshe, ngokuvamile mayelana 0.2% of yabo izimonyo ngokwanele.

Yiziphi izingozi parabens?

Kule minyaka embalwa edlule kwakubonakala sengathi izitatimende ngaphezulu ukuthi zingabantu disruptors endocrine. Kule ndaba, Europe wanquma ukuthi propyl paraben izimonyo okumele asetshenziswe kancane njalo, emakamu yayo ovumelekile ukunciphisa ngesigamu, nemfuneko efanayo kusebenza butilparabenam.

Parabens nemiphumela estrogenic. Ngakho-ke, ukusetshenziswa kwemikhiqizo lapho zikhona, kufanele ibekelwe imingcele ukuze abantu babe contraindication nokusetshenziswa estrogen. Qaphela ikakhulu kufanele ube abesifazane abakhulelwe, njengoba i-estrogen ngokweqile ezingapheli zingayilimaza ngomphumela ukukhulelwa.

Abanye ososayensi ukuphikisa lesi simangalo futhi afakazele ukuthi ezifana umphumela izinto angangena emzimbeni ngokudla nangokwenama parabens kubalulekile ayinangozi kuphela.

Ngezinye ukusetshenziswa njalo prabenov bandisa emzimbeni ezingaba nomthelela yomdlavuza webele, kwesibeletho, amaqanda e abesifazane testes umdlavuza ezingabantu. Kodwa lokhu nje ngokubona ososayensi, ngenkathi esiyimbangela okuqondile phakathi ukusetshenziswa parabens emikhiqizweni ukudla izimonyo, ne okuvela umdlavuza engakaze isungulwe.

Parabens izimonyo ingahluka kancane ukwandisa ithonya elibi ilanga. Imikhiqizo equkethe methylparaben, lapho isetshenziswa isikhumba kungabangela ukuguga ngaphambi kwesikhathi futhi ngisho kulimaze-DNA. Lokhu kwenzeka ngenxa yokusabela ngamafutha i-methyl paraben elinemisebe ultraviolet. Futhi abekwa izindlela okuyinto zimumethe propyl, metilparbeny kungadala isimo esicasulayo ahlukahlukene isikhumba ngisho uthintane dermatitis, nokungezwani komzimba.

Kodwa musa ngokushesha ukulahla ukusetshenziswa kwemikhiqizo eziqukethe parabens. Yonke idatha kokungaphezulu kuphela ukubukwa ongoti, kodwa zabo kungekho isiqinisekiso ezesayensi noma ukuphikisa ka ephambene okwamanje.

Ngokusho isayensi olusemthethweni, parabens cishe non-esinobuthi excreted kalula. Kubantu enempilo, base ayinangozi futhi akuvamile kakhulu kungadala parabenovuyu nomzimba. Kubantu abanjalo, ukhilimu ikhiqizwa ngaphandle kwezindleko parabens.

Naphezu kwakho konke lokho parabens izimonyo ukunikeza isitoreji kwesikhathi eside ke ukuthi akwephuli impahla yayo futhi izinga.

Zikhona cishe kuyo yonke izimonyo, kodwa futhi eziningi ukudla kanye nemikhiqizo wezokwelapha. Kusukela manje ukwenza ngaphandle kokusebenzisa nezivimbelakuvunda cishe akunakwenzeka, abacwaningi njalo ngifuna esikhundleni parabens. Kodwa inqobo nje uma ingekho, isakhiwa ukudala uyakulondoloza ku izinto zokusetshenziswa uvuseleleke.

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