I-Stilbenes yinkimbinkimbi yemvelo etholakala kwezinye izinhlobo zezitshalo. Amanye ama-stilbenes angase abe nezinzuzo zezempilo. Bayiqembu elincane lama-phytochemicals okuthiwa i- polyphenols .
I-Stilbenes ayijwayelekile njengenye ye-polyphenols. Cishe ufunde ngama-flavonoids amaningi ahlukene, ama-lignans noma ama- aco phenolic , kodwa kukhona ama-stilbenes amabili kuphela enothi: i-resveratrol ne-pterostilbene.
Zitholakala kuphela emalini amancane kwezinye zokudla ozidlayo.
I-Resveratrol iyaziwa kahle (noma ukwethembeka, ngaphezulu-hyped). Itholakala emagodini amagilebhisi, iwayini elibomvu, amantongomane, ama-blueberries nama-cranberries futhi iye yafundelwa izinzuzo zezempilo ezingenzeka. Ucwaningo oluqaphelayo lubonisa ukuthi abantu abaphuza iwayini elibomvu bavame ukuba nezingozi ezincane zezifo zenhliziyo. Kodwa aziwa ukuthi kungakanani lokho okubangelwa ukubuyisela kabusha noma uma abantu abanezingozi ezincane zesifo senhliziyo nje kwenzeka ukuthi baphuze iwayini elingaphansi kunabantu abanengozi ephakeme.
Ucwaningo lwe-laboratories lubonisa ukuthi i-resveratrol isebenza njenge-agent e-antioxidant ne-anti-inflammatory kwezinye izilwane ze-laboratory, kodwa kunolwazi oluncane kakhulu ekusetshenzisweni kwe-resveratrol kubantu, noma kungakanani okuzodingeka ukukhombisa noma yiziphi izinzuzo zezempilo.
Kodwa-ke, amathuba okuthi inani elidingekayo liphakeme kakhulu ukuze lifinyelele emithonjeni yokudla yedwa, ngakho-ke noma yikuphi ukuzuza okungavela kumaphilisi.
Kodwa, izithako zokudla azilawulwa ngazo zonke lezo zinto ngokuphumelelayo. Futhi asazi ukuthi kufanele sithathe okungakanani, noma ngabe uzokwenza noma yini.
I-Pterostilbene itholakala kuma-blueberries namagilebhisi. I-antioxidant eye yabonisa isithembiso ekwelapheni nasekuvimbelweni komdlavuza nesifo senhliziyo, kodwa (njenge-resveratrol) kuphela ihlolwe kubilwane lebhu.
Okwamanje, azikho izifundo kubantu.
Amanye alawa ma-stilbenes athengiswa njengama-supplements, kodwa sicela ukhulume nomhlinzeki wakho wezempilo ngaphambi kokuthatha noma yiziphi izinhlobo zezithako zokudla.
Imithombo:
I-Borriello A, i-Cucciolla V, i-Della Ragione F, i-Galletti P. "I-polyphenols yezinkukhu: gxila ku-resveratrol, i-agent ethembisayo ekuvimbeleni izifo zenhliziyo nokulawula i-homeostasis ye-glucose." I-Nutr Metab I-Cardiovasc Dis. 2010 Okthoba; 20 (8): 618-25.
Gresele P, Cerletti C, Guglielmini G, Pignatelli P, de Gaetano G, Violi F. "Imiphumela ye-resveratrol nezinye i-polyphenols i-vin on function vascular: update." I-J Nutr Biochem. 2011 Mar; 22 (3): 201-11.
UManch C, u-Scalbert A, uMorand C, uRamasy C, uJimanez L. "Polyphenols: imithombo yokudla kanye nokutholakala kwemvelo." I-Am J Clin Nutr. 2004 Meyi; 79 (5): 727-47. UMnyango Wezolimo wase-United States. "Amandla kaPterostilbene angcono."