Eziningana zokudla kwezitshalo kunezinhlanganisela ezibizwa ngokuthi izitshalo ze-sterols. Ngezinye izikhathi kuthiwa "ama-phytosterol", isitshalo sterols singasiza ukulwa ne- cholesterol ephezulu . Zitholakala ngokwemvelo emafutheni omvino, amantongomane, imbewu, nezinhlamvu futhi zitholakala ekudleni okuqinisekisiwe nasefomini lokugcwalisa ukudla.
Ngabe Bangasebenza Kanjani?
Ucwaningo lubonisa ukuthi ama-stter sterols angasiza ukugcina i-cholesterol isheke ngokuvimbela ukumuncwa kwamathumbu amathumbu we-cholesterol.
Ngokwenza kanjalo, ukutshala ama-sterols kusiza ukunciphisa amazinga we-cholesterol bese unciphisa amazinga akho e-LDL ("okubi") e-cholesterol.
Izinzuzo zezeMpilo
Ucwaningo oluthile lubonisa ukuthi ukusetshenziswa njalo kwezihlahla zezitshalo kungasiza ekulwa ne-cholesterol ephezulu. Ngombiko wango-2007 oshicilelwe ekubukeni kokudla , isibonelo, abacwaningi basungula ucwaningo olutholakalayo ekudleni kokudla kwezitshalo ze-sterols kanye nomthelela walo ekusebenzeni kwe-cholesterol metabolism.
Ukuthola ukuthi ama-sterol esitshalo aphezulu ahlanganiswa namazinga e-cholesterol aphansi, abalobi bephephandaba bathi sekudliwayo izitshalo ze-sterols kufanele ziyingxenye yezeluleko zokudla ezigulini ezine-cholesterol ephezulu (kanye nomphakathi jikelele wokuvimbela nokuphathwa kwenhliziyo izifo ).
Ekubuyekezweni kocwaningo olwanyatheliswa emiBhalweni ye-Current Atherosclerosis ngonyaka olandelayo, ososayensi bahlaziya izifundo zangaphambilini mayelana nemiphumela ye-cholesterol yokunciphisa izitshalo ze-sterols futhi baphetha ngokuthi kuhlanganise nezitshalo ze-sterol ekudleni kungase kube "indlela ephephile futhi ephumelelayo yokunciphisa ingozi ye-coronary heart izifo. "
Ukwengeza, ukubuyekezwa kocwaningo olwenziwa ngo-2009 oluvela ku- Recent Patents ku-Food, Nutrition & Agriculture kuphawula ukuthi ukusetshenziswa kwansuku zonke kwamagremu ama-sterols ezitshalo kuye kwatholakala ukuncipha kwe-10% kuya kwezingu-20% kwe-LDL cholesterol ezikoleni zesayensi.
Kuze kube manje, ucwaningo mayelana nokusetshenziswa kwezitshalo ze-sterol zezitshalo zokwelapha noma ukuvinjelwa kwe-cholesterol ephakeme kuncane kakhulu.
Nakuba umbiko wango-2004 ushicilelwe ku- Current Opinion ku-Lipidology ubonisa ukuthi ama-sterols asetshenziswayo ekutshaleni ifomu angasiza ekunciphiseni amazinga e-LDL ama-cholesterol, ucwaningo olwengeziwe lufanele luqhutshwe ngaphambi kokuba izitshalo ze-sterol zitshalwe zinganconywa njenge-cholesterol-downing treatment.
Imithombo Yokudla
Ama-stter plant atholakala ngokwemvelo kokudla okulandelayo:
- Ama-alimondi
- Amahlumela aseBrussels
- Amantongomane
- Amafutha omquba (kufaka phakathi i-canola, ummbila, umnqumo, namafutha esisame)
- Igatsha lesikoro
- Igciwane lesitshalo
Ngaphezu kwalokho, ukudla okunamandla (okufaka uketshezi, ubisi, i-orange, i-olive yemifino isakazeka, kanye ne-yogurt) aqukethe ama-sterol ezitshalo ezengeziwe.
Amapulangwe
Nakuba ukudla ama-sterols ezitshalo ngezidakamizwa ezijwayelekile ngokudla ngokuvamile kubhekwa njengokwemukelekile, ukungenisa ama-sterols amaningi wezitshalo ezinengi kungabangela izinkinga eziningana (njengesifo sohudo , indigestion , kanye nesicefe). Ukucwaninga kusikisela ukuthi izitshalo ze-sterols zingadlula ukuvinjelwa kwegazi-nokho, kodwa ukubaluleka komtholampilo kwalokhu akukwaziwa.
Ucwaningo oluthile lubonisa ukuthi ukutshala ukudla kwe-sterol kunganciphisa ukumunwa kwamavithamini amanama-soluble nama-antioxidants afana ne-carotenoids. i-tocopherol, ne-lycopene. Ukwandisa ukusetshenziswa kwezithelo nemifino kuma-servings angaphezu kwamahlanu ngosuku futhi kuhlanganise nomthombo owodwa noma ngaphezulu ocebile we-carotenoid, ngokwamanye amazwe, kungase kube ngokwanele ukunciphisa ukunciphisa amazinga e-carotenoid.
Khumbula ukuthi ama-supplements awazange ahlolwe ukuphepha kanye nezindleko zokudla ngokuyinhloko ezingavunyelwe ngokomthetho. Kubalulekile ukutshela udokotela wakho uma ucabangela ukusetshenziswa kwesitshalo sterols. I-cholesterol ephakeme yokwelapha ngokweqile nge-plant sterols futhi ukugwema noma ukubambezela ukunakekelwa okujwayelekile kungaba nemiphumela emibi.
Ukusebenzisa i-Plant Sterols for Health
Ukufeza futhi / noma ukugcina amazinga e-cholesterol enempilo, Uhlelo lweNational Cholesterol Programme (ingxenye ye-National Heart, Lung, ne-Blood Institute) lukhuthaza ukunciphisa amagremu amabili ezitshalo zesitshalo nsuku zonke njengengxenye yokudla okunempilo. Ngenkathi izitshalo ze-sterol zezitshalo zivame ukutholakala njengendlela yokwelapha yemvelo ye-cholesterol ephezulu, okwamanje ukungabi nobufakazi besayensi ukusekela ukusetshenziswa kwezithako zesitshalo se-sterol njengokwelashwa kwanoma yisiphi isimo sezempilo.
Kubalulekile ukuqaphela ukuthi izitshalo ze-sterols (noma izitshalo ze-sterol plant) akufanele zisetshenziswe esikhundleni sezokwelapha ezinqunyelwe ukwelashwa kwe-cholesterol ephezulu.
Imithombo
AbuMweis SS, uJonathan PJ. "Umphumela wokuncipha kwe-cholesterol wezitshalo ze-sterols." I-Curr Atheroscler Rep. 2008 Dec; 10 (6): 467-72.
Ellegård LH, Andersson SW, Normén AL, Andersson HA. "I-sterol plant sterols kanye ne-cholesterol metabolism." Isitifiketi seNutriti 2007 Jan; 65 (1): 39-45.
Jenkins DJ, Kendall CW, Nguyen TH, Marchie A, Faulkner DA, Ireland C, Josse AR, Vidgen E, Trautwein EA, Lapsley KG, Holmes C, Josse RG, Leiter LA, Connelly PW, Singer W. "Imiphumela ye-sterols yezitshalo ngokuhambisana nezinye ukudla kwe-cholesterol-ukwehlisa. " I-Metabolism. 2008 Jan; 57 (1): 130-9.
Kamal-Eldin A, Moazzami A. "Tshala ama-sterols nama-stanols njengezithako zokuncipha kwe-cholesterol ekudleni kokusebenza." I-Pat Food Nutr Agric yakamuva. 2009 Jan; 1 (1): 1-14.
Ostlund RE Jr. "I-Phytosterols ne-cholesterol metabolism." I-Curr Opin Lipidol. 2004 Feb; 15 (1): 37-41.
Smet ED, Mensink RP, Plat J. Imiphumela ye-plant sterols nama-stanol emzimbeni we-cholesterol emathunjini emathunjini: Izindlela eziphakanyisiwe ezisuka esikhathini esidlule ukuze zilethe. I-Mol Nutr Food Res. 2012 Jul; 56 (7): 1058-72.
Ukuziphendulela: Ulwazi oluqukethwe kule sayithi luhloswe ngezinjongo zemfundo kuphela futhi aluthathi iseluleko, ukuxilongwa noma ukwelashwa ngudokotela olayisensi. Akuhloselwe ukumboza zonke izinyathelo zokuqapha, ukusebenzisana kwezidakamizwa, izimo noma imiphumela emibi. Kufanele ufune ukunakekelwa okusheshayo kwezokwelapha kunoma yiziphi izinkinga zezempilo bese uthintana nodokotela wakho ngaphambi kokusebenzisa enye imithi noma wenze ushintsho ohlelweni lwakho.