- \n
- Naj\u010dastej\u0161ie prij\u00edman\u00fd antioxidant v potrave.\u00a0<\/li>\n
- Kvercet\u00edn sa tepelnou \u00fapravou alebo zmrazen\u00edm neni\u010d\u00ed (jeho biologick\u00e1 aktivita je zachovan\u00e1 aj po varen\u00ed).<\/li>\n
- Pod\u013ea viacer\u00fdch v\u00fdskumov je pova\u017eovan\u00fd za prospe\u0161n\u00fd proti kardiovaskul\u00e1rnym chorob\u00e1m<\/a>, rakovine<\/a>, cukrovke, neurologick\u00fdm chorob\u00e1m<\/a>, obezite, alergickej astme a atopick\u00fdm chorob\u00e1m.\u00a0<\/li>\n
- Kvercet\u00edn je spolo\u010dn\u00fdm menovate\u013eom mnoh\u00fdch superpotrav\u00edn.\u00a0<\/li>\n
- Kvercet\u00edn ako potenci\u00e1lne lie\u010divo je sk\u00faman\u00fd vo viacer\u00fdch klinick\u00fdch a predklinick\u00fdch testoch.\u00a0<\/li>\n
- Hlavn\u00fdm zdrojom kvercet\u00ednu v na\u0161ich kon\u010din\u00e1ch ja cibu\u013ea a jeho pribli\u017en\u00fd denn\u00fd pr\u00edjem z potravy je od 50 do 800 mg\/de\u0148 (pod\u013ea mno\u017estva skonzumovan\u00e9ho ovocia a zeleniny).\u00a0<\/li>\n<\/ul>\n
Zdroje:\u00a0<\/i><\/b><\/p>\n
Quercetin, Inflammation and Immunity\u00a0<\/a><\/p>\n
Therapeutic Potential of Quercetin: New Insights and Perspectives for Human Health<\/a><\/p>\n
A minireview of quercetin: from its metabolism to possible mechanisms of its biological activities<\/a><\/p>\n
\u010co s\u00fa flavonoidy<\/b><\/h2>\n
Flavonoidy<\/a> jeskupina pr\u00edrodn\u00fdch l\u00e1tok s fenolick\u00fdmi \u0161trukt\u00farami, ktor\u00e9 sa nach\u00e1dzaj\u00fa v ovoc\u00ed, zelenine, zrn\u00e1ch, k\u00f4re, kore\u0148och, stonk\u00e1ch, kvetoch, \u010daji a dokonca aj vo v\u00edne. Tieto pr\u00edrodn\u00e9 produkty s\u00fa zn\u00e1me svojimi priazniv\u00fdmi \u00fa\u010dinkami na zdravie a vynaklad\u00e1 sa ve\u013ek\u00e9 \u00fasilie na izol\u00e1ciu t\u00fdchto zlo\u017eiek z rastl\u00edn (flavonoidy). V\u010faka tomu je mo\u017en\u00e9 ich u\u017e\u00edva\u0165 vo forme v\u00fd\u017eivov\u00fdch doplnkov<\/a>. Flavonoidy s\u00fa neodmyslite\u013enou s\u00fa\u010dasnosti terapeutick\u00fdch, farmaceutick\u00fdch, lek\u00e1rskych a kozmetick\u00fdch aplik\u00e1ci\u00ed. Flavonoidy spravidla maj\u00fa antioxida\u010dn\u00e9, protiz\u00e1palov\u00e9, antimutag\u00e9nne a protirakovinov\u00e9 vlastnosti. Ich biologick\u00e1 aktivita spo\u010d\u00edva v schopnosti modulova\u0165 k\u013e\u00fa\u010dov\u00fa funkciu bunkov\u00fdch enz\u00fdmov.\u00a0<\/p>\n
M\u00f4\u017eu by\u0165 flavonoidy nebezpe\u010dn\u00e9 (toxick\u00e9)?\u00a0<\/b><\/h3>\n
Pou\u017e\u00edvanie \u010dist\u00fdch flavonoidov vo v\u00fd\u017eivov\u00fdch doplnkoch vo vy\u0161\u0161\u00edch d\u00e1vkach ako je odpor\u00fa\u010dan\u00e9 v\u00fdrobcom vo v\u0161eobecnosti nie je toxick\u00e9 ani nebezpe\u010dn\u00e9. Vysok\u00e9 d\u00e1vky flavonoidov v tele v\u0161ak m\u00f4\u017eu obmedzi\u0165 absorpciu d\u00f4le\u017eit\u00fdch vitam\u00ednov a miner\u00e1lov, \u010do nie je \u017eiaduce a preto je potrebn\u00e9 (ako pri v\u0161etk\u00fdch liekoch a v\u00fd\u017eivov\u00fdch doplnkoch) riadi\u0165 sa odpor\u00fa\u010danou dennou d\u00e1vkou na krabi\u010dke.\u00a0<\/p>\n
S CBD olejom<\/a> je to in\u00e9 a ide\u00e1lnu d\u00e1vku CBD<\/a> si ka\u017ed\u00fd prisp\u00f4sobuje pod\u013ea svojich preferenci\u00ed.\u00a0<\/p>\n
Zdroje: <\/i><\/b>Toxicity and carcinogenicity studies of quercetin, a natural component of foods<\/a><\/p>\n
\u010co je kvercet\u00edn\u00a0<\/b><\/h2>\n
Quercet\u00edn (kvercet\u00edn) je flavonoid nach\u00e1dzaj\u00faci sa v ovoc\u00ed a zelenine. M\u00e1 jedine\u010dn\u00e9 biologick\u00e9 vlastnosti, ktor\u00e9 m\u00f4\u017eu zlep\u0161i\u0165 du\u0161evn\u00fa a fyzick\u00fa v\u00fdkonnos\u0165 a zn\u00ed\u017ei\u0165 riziko infekcie<\/a>. Tieto vlastnosti tvoria z\u00e1klad pre potenci\u00e1lne pr\u00ednosy pre celkov\u00e9 zdravie a odolnos\u0165 vo\u010di chorob\u00e1m, vr\u00e1tane rakovinov\u00fdch, z\u00e1palov\u00fdch procesov organizmu, v\u00edrusov\u00fdm ochoreniam. Okrem in\u00e9ho m\u00e1 kvercet\u00edn schopnosti inhibova\u0165 peroxid\u00e1ciu lipidov, agreg\u00e1ciu krvn\u00fdch do\u0161ti\u010diek a kapil\u00e1rnu permeabilitu.\u00a0<\/p>\n
\u00da\u010dinky kvercet\u00ednu potvrdzuje aj fakt, \u017ee tento flavonoid je ako potenci\u00e1lne lie\u010divo zapojen\u00fd vo viacer\u00fdch klinick\u00fdch testoch<\/a>, ktor\u00e9 aktu\u00e1lne prebiehaj\u00fa.\u00a0<\/p>\n
\u010casto sa kvercet\u00edn spom\u00edna v s\u00favislosti so superpotravinami.\u00a0<\/p>\n
\u010co s\u00fa superpotraviny?\u00a0<\/b><\/h3>\n
Superpotraviny je marketingov\u00e9 ozna\u010denie potrav\u00edn alebo potravinov\u00fdch doplnkov, ktor\u00e9 s\u00fa\u00a0 v\u00fdnimo\u010dn\u00e9 obsahom \u017eiv\u00edn d\u00f4le\u017eit\u00fdch pre \u013eudsk\u00fd organizmus, s\u00fa bohat\u00e9 na vitam\u00edny a miner\u00e1ly<\/a>, maj\u00fa antioxida\u010dn\u00e9 \u00fa\u010dinky a podporuj\u00fa imunitn\u00fd syst\u00e9m<\/a>. Superpotraviny s\u00fa zn\u00e1me u\u017e z \u010dias za\u010diatkov ajurv\u00e9dy<\/a>. Zjednodu\u0161ene povedan\u00e9 s\u00fa to potraviny, ktor\u00e9 obsahom mikro a makroprvkov pozit\u00edvne vpl\u00fdvaj\u00fa na zdravie popul\u00e1cie.\u00a0\u00a0<\/p>\n
Kvercet\u00edn z chemick\u00e9ho h\u013eadiska<\/b><\/h3>\n
Quercetin je zaraden\u00fd do kateg\u00f3rie flavonolov, jednej zo \u0161iestich podtried flavonoidov\u00fdch zl\u00fa\u010den\u00edn. N\u00e1zov sa pou\u017e\u00edva od roku 1857 a je odvoden\u00fd od slova quercetum, \u010do znamen\u00e1 dubov\u00fd les. Z biologicko-chemick\u00e9ho h\u013eadiska je to prirodzene sa vyskytuj\u00faci pol\u00e1rny inhib\u00edtor transportu aux\u00ednu.<\/p>\n
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\n\t\t\t\t\t\tUSA Medical Produkty
\n\t\t\t\t\t<\/a>
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t![\"\"](\"https:\/\/usamedical.com\/sk\/wp-content\/uploads\/2021\/10\/flavonoid-kvercetin.webp\")
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\t\t\t\t\t\t\t\t<\/a><\/p>\nCBD OLEJ – V\u0161etko, \u010do potrebujete vedie\u0165 <\/a><\/h4>\n
Pre viac inform\u00e1ci\u00ed o CBD olejoch kliknite sem.<\/a><\/p>\n
Kvercet\u00edn v potravin\u00e1ch<\/b><\/h2>\n
Podobne ako u v\u00e4\u010d\u0161iny flavonoidov, ich naj\u010dastej\u0161ie v potravin\u00e1ch n\u00e1jdeme vo farebnej zelenine a ovoc\u00ed a zelenej rastlinnej \u010dasti. Vysok\u00e9 koncentr\u00e1cie sa nach\u00e1dzaj\u00fa v be\u017ene dostupn\u00fdch potravin\u00e1ch, ak\u00fdmi s\u00fa:\u00a0<\/p>\n
- \n
- cibu\u013ea (300 mg\/kg \u010derstvej hmotnosti)\u00a0<\/li>\n
- jablk\u00e1 (21-72 mg\/kg)<\/li>\n
- kel (100mg\/kg)<\/li>\n
- \u010derven\u00e9 v\u00edno (4-16mg\/l)<\/li>\n
- zelen\u00fd a \u010dierny \u010daj (10-25 mg\/l)<\/li>\n
- \u010du\u010doriedky a in\u00e9 drobn\u00e9 bobu\u013eov\u00e9 ovocie<\/li>\n
- \u010dere\u0161ne<\/li>\n
- byliny (napr. \u017eih\u013eava, ligur\u010dek, kapary)<\/li>\n
- brokolica alebo tekvica<\/li>\n<\/ul>\n
Ostatn\u00e9 najbe\u017enej\u0161ie flavonoidy<\/h2>\n
Pozn\u00e1me viac ako 4 000 flavonoidov a mnoho z nich je intenz\u00edvne sk\u00faman\u00fdch pre svoje antioxida\u010dn\u00e9 vlastnosti a pozit\u00edvne \u00fa\u010dinky na \u013eudsk\u00e9 zdravie.\u00a0<\/p>\n
Pozn\u00e1me 6 kateg\u00f3ri\u00ed flavonoidov:\u00a0<\/b><\/p>\n
Flavon\u00f3ny<\/b> \u2013 s\u00fa zast\u00fapen\u00e9 hlavne v citrusoch<\/p>\n
- \n
- Kvercet\u00edn<\/li>\n
- Kaempferol\u00a0<\/li>\n
- Myricetin\u00a0<\/li>\n
- Isorhamnetin<\/li>\n<\/ul>\n
Flavanoly <\/b>\u2013 vyskytuj\u00fa sa v \u010dajoch, v\u00edne, jablk\u00e1ch, \u010dokol\u00e1de, hru\u0161k\u00e1ch<\/p>\n
- \n
- Apigenin<\/li>\n
- Luteoin<\/li>\n<\/ul>\n
Flav\u00f3ny<\/b> \u2013 n\u00e1jdete ich v oliv\u00e1ch, hnedej ry\u017ei, zeleri, petr\u017elene<\/p>\n
- \n
- Hesperetin<\/li>\n
- Naringenin\u00a0<\/li>\n
- Eriodictyol<\/li>\n<\/ul>\n
Flavonoly<\/b> \u2013 \u010daj, v\u00edno, brusnice, olivy, jablk\u00e1, brokolica, p\u00f3r, kapusta, cibu\u013ea, cesnak, chren s\u00fa zdrojmi tejto podskupiny flavonoidov<\/p>\n
- \n
- Catechins\u00a0<\/li>\n
- Epicatechins<\/li>\n
- Theaflavins<\/li>\n
- Thearubigins<\/li>\n<\/ul>\n
Antokyanid\u00edny<\/b> \u2013 bobu\u013eoviny, \u010derven\u00e9 v\u00edno, \u010derven\u00e9 hrozno, \u010derven\u00fd grep, \u010dere\u0161ne, jahody s\u00fa zdrojom t\u00fdchto flavonoidov a patria sem:\u00a0<\/p>\n
- \n
- Cyanidin<\/li>\n
- Delphinidin<\/li>\n
- Malvidin<\/li>\n
- Pelargonidin<\/li>\n
- Peonidin<\/li>\n
- Petunidin<\/li>\n<\/ul>\n
Vedeck\u00e9 \u0161t\u00fadie \u00fa\u010dinkov kvercet\u00ednu<\/h2>\n
Pr\u00edrodn\u00e9 antihistaminikum<\/b><\/h3>\n
Kvercet\u00edn je medzi alergikmi zn\u00e1my hlavne pre svoje imunitu reguluj\u00face schopnosti. Predpoklad\u00e1 sa, \u017ee stabilizuje \u017e\u00edrne bunky (mastocyty alebo heparinocyty) uvo\u013e\u0148uj\u00face histam\u00edn. \u017d\u00edrne bunky s\u00fa hlavn\u00fdm sp\u00fa\u0161\u0165a\u010dom alergick\u00fdch reakci\u00ed nielen na pe\u013e, ale aj in\u00fdch typov alergi\u00ed. Preto je kvercet\u00edn pova\u017eovan\u00fd za pr\u00edrodn\u00e9 antihistaminikum.\u00a0<\/p>\n
Zdroje: <\/i><\/b>Quercetin with the potential effect on allergic diseases<\/i><\/b><\/a><\/p>\n
Preto ho m\u00f4\u017eete vysk\u00fa\u0161a\u0165 pri pr\u00edznakoch sennej n\u00e1dchy. Odpor\u00fa\u010da sa za\u010da\u0165 6 a\u017e 8 t\u00fd\u017ed\u0148ov pred pe\u013eovou sez\u00f3nou.\u00a0<\/p>\n
Pri alergick\u00fdch reakci\u00e1ch sa mnohokr\u00e1t zab\u00fada na oslabenie imunitn\u00e9ho syst\u00e9mu po\u010das alergick\u00fdch reakci\u00ed. Preto sekund\u00e1rnym efektom u\u017e\u00edvania kvercet\u00ednu m\u00f4\u017ee by\u0165 aj men\u0161ie za\u0165a\u017eenie imunitn\u00e9ho syst\u00e9mu a jeho rovnov\u00e1ha.<\/p>\n
Pri komplik\u00e1ci\u00e1ch diabetu (cukrovky)<\/b><\/h3>\n
Mnoho \u0161t\u00fadi\u00ed uk\u00e1zalo, \u017ee kvercet\u00edn je pri lie\u010dbe cukrovky s antihyperglykemick\u00fdm \u00fa\u010dinkom. Bola dokonca zisten\u00e1 aj presn\u00e1 biologikc\u00e1 dr\u00e1ha, ktorou by kvercet\u00edn mohol \u00fa\u010dinkova\u0165 pri cukrovke a to zv\u00fd\u0161en\u00edm citlivosti na inzul\u00edn, podporou synt\u00e9zy glykog\u00e9nu a zlep\u0161en\u00edm inzul\u00ednovej rezistencie. Taktie\u017e bolo dok\u00e1zan\u00e9 na in-vitro modeloch, \u017ee podporuje \u00fa\u010dinok citlivosti na inzul\u00edn stimul\u00e1ciou prolifer\u00e1cie \u03b2<\/i>-buniek pankreasu (miesto kde sa pri zdravom \u010dloveku tvor\u00ed inzul\u00edn). V spojitosti s diabetom bol kvercet\u00edn dlhodobo sk\u00faman\u00fd s ve\u013emi s\u013eubn\u00fdmi v\u00fdsledkami.\u00a0<\/p>\n
Zdroje: <\/i><\/b>The Antidiabetic Potential of Quercetin: Underlying Mechanisms<\/i><\/b><\/a><\/p>\n
Pri kardiovaskul\u00e1rnych ochoreniach<\/b><\/h3>\n
Priazniv\u00fd \u00fa\u010dinok na krvn\u00fd tlak, regul\u00e1cia aktivity enz\u00fdmu konvertuj\u00faceho angiotenz\u00edn, zni\u017eovanie hypertenzie, zn\u00ed\u017eenie rizika zv\u00fd\u0161eneho systolick\u00e9ho krvn\u00e9ho tlaku (SBP) a mno\u017estvo \u010fal\u0161\u00edch v\u00fdskumov je a bolo zameran\u00fdch za dok\u00e1zanie priazniv\u00fdch \u00fa\u010dinkov kvercet\u00ednu na kardiovaskul\u00e1rne ochorenia.\u00a0<\/p>\n
Zdroje: <\/i><\/b>Therapeutic potential of quercetin as a cardiovascular agent<\/i><\/b><\/a><\/p>\n
Protiz\u00e1palov\u00e9 \u00fa\u010dinky a podpora imunity<\/b><\/h3>\n
Kvercet\u00edn bol a je dlhodobo pova\u017eovan\u00fd za \u00fa\u010dinn\u00fa protiz\u00e1palov\u00fa l\u00e1tku, ktor\u00e1 m\u00e1 siln\u00e9 protiz\u00e1palov\u00e9 schopnosti. Testy boli vykonan\u00e9 na zvierac\u00edch aj \u013eudsk\u00fdch modeloch. Bolo dok\u00e1zan\u00e9, \u017ee kvercet\u00edn ako protiz\u00e1palov\u00fd faktor m\u00e1 \u00fa\u010dinok na stabiliz\u00e1ciu \u017e\u00edrnych buniek a cytoprotekt\u00edvnu aktivitu za\u017e\u00edvacieho traktu. M\u00f4\u017ee tie\u017e hra\u0165 d\u00f4le\u017eit\u00fa \u00falohu pri regul\u00e1cii imunity.<\/p>\n
Zdroje: <\/i><\/b>Quercetin, Inflammation and Immunity<\/i><\/b><\/a><\/p>\n
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\n\t\t\t\t\t\tUSA Medical ESHOP
\n\t\t\t\t\t<\/a>
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\t\t\t\t\t\t\t\t<\/a><\/p>\n\u010co je CBD ?\u200b<\/a><\/h4>\n