Kungani ukwengeza izithelo nemifino ekudleni kwakho kuhle kuwe
Ama-molecule e-oksijeni asebenzayo, eyaziwa nangokuthi izinhlobo ze-oksijeni esebenzayo noma i-ROS, yizinto ezikhiqiza umzimba ezivela ezinhlotsheni ezimbili zamangqamuzana ahilelekile ekukhiqizeni nasekusetshenzisweni kwemithi - i-reticulum endoplasmic kanye ne-mitochondria. Ama-molecule e-oxygen asebenzayo anemiphumela eminingi yemvelo. Bangakwazi ukubhubhisa amabhaktheriya nokubhubhisa amaseli omuntu. Umsebenzi wabo ukukhonza njengezithunywa phakathi kwamangqamuzana nasenkonzweni ye-homeostasis.
Ama-molecule e-oxygen asebenzayo akhiqizwa njalo kuzo zonke izilwane eziphefumula umoya. Ngenxa yokuthi indlela evamile yokusebenzisa umzimba ixhomeke ekusetshenzisweni nasekusetshenzisweni kwamakhemikhali oksijini, ukukhiqizwa kwama-molecule e-oksijini angasebenzi.
Ama-molecule e-oksijeni asebenzayo ahlukile kunezakhi ezivamile ze-oxygen. Zishintshiwe ngenqubo ye "oxidation" futhi azizinzile kakhulu. Ngenxa yokuthi abazinzile, bavame ukusabela nganoma yini abahlangana nabo. Uma uxhumane namaseli emzimbeni noma i-DNA kulawo maseli, ukusabela kungalimaza futhi kubangele ukufa komzimba noma ukuguqulwa kwe-DNA.
Uma ubhekene nokucindezeleka kwezemvelo, njengokushisa noma imisebe ye-UV , amazinga e-ROS azokhula ngokuphawulekayo futhi awonakele izakhi zeseli. Lo monakalo uyaziwa ngokuthi ukucindezeleka kwe-oxidative . I-ROS nayo idalwe kusuka emithonjeni engaqondakali njengokungcola, ugwayi, umusi, izidakamizwa, noma imisebe ye-ionizing.
Imiphumela emihle ye-ROS emasetabolini esitokisini ingabonakala ekuphenduleni kweplatelet ukulungisa ukulimala.
Noma kunjalo, inani eliningi ngokwe-ROS likhonjisiwe ekusebenziseni okuvuthayo okubonwe ezigulini ezinesifo senhliziyo, umonakalo obangelwa ukuzwa ukukhubazeka nokuzwa okungenasifo, isifo, isifo somdlavuza, isifo so-Alzheimer , kanye nesifo senhliziyo.
Nakuba kubalulekile ukunciphisa inani lama-molecule e-oksijeni asebenzayo, akhonza umsebenzi obalulekile esitokisini, kuhlanganise nomsebenzi we-thyroid kanye nokuphendula kwamaselula ekutheleleni kwebhaktheriya.
Ngenxa yengozi kubonakala nge-molecule ye-oksijini esebenzayo, kuye kwenziwa izindlela zokulwa nemiphumela yazo.
Izindlela Zokunciphisa Amakhemikhali Oxygen Asebenzayo
Okuyinhloko phakathi kwalawo ukukhiqizwa nokusetshenziswa kwamakhemikhali abizwa ngokuthi ama-antioxidants. Ama-antioxidants avimbela uketshezi kwamanye ama-molecule ayanciphisa amazinga we-molecule ye-oksijini engasebenzi ngaphambi kokuba angabangela umonakalo. Esetshenziselwa kakhulu izithako zokudla, ama-antioxidants ahlukaniswa njengama-soluble noma a-lipid-soluble.
Ama-antioxidants amathathu anamandla kunabo bonke kanye nokudla okuqukethe:
- I-Beta-carotene - etholakala izithelo nemifino enemibala efana nama-apricot, i-asparagus, i-beet, i-broccoli, i-cantaloupe, izaqathe, ummbila, ithanga, u-squash, ne-ikhadoni.
- I-Vitamin C - etholakala emajikijolo, i-broccoli, amahlumela aseBrussels, i-cauliflower, i-honeydew, i-kale, imango, ama-strawberries, utamatisi nama-papaya.
- I-Vitamin E - etholakala ku-avocado, chard, lwesinaphi noma imifino ye-turnip, pepper ebomvu, imbewu ye-sunflower, namantongomane.
Amanye ama-antioxidants enempilo afaka:
- I-Zinc - etholakala emikhiqizweni yobisi, inyama ebomvu, izinkukhu, ubhontshisi, amantongomane, izinhlanzi zasolwandle nama-oysters.
- I-Selenium - etholakala e-Brazil nuts, i-tuna, inyama yenkomo nemikhiqizo yezinhlamvu
Ama-antioxidants ancipha noma avimbele uketshezi kwamanye ama-molecule. Ngokufaka okungenani ama-servings ezinhlanu zezithelo nemifino ekudleni, umzimba ungakwazi ukunciphisa amathuba okugula kwenhliziyo, isifo sezinzwa, umdlavuza nokunciphisa amandla omzimba.