{"id":31793,"date":"2026-08-08T20:59:10","date_gmt":"2026-08-08T20:59:10","guid":{"rendered":"https:\/\/sorapeptides.com\/sta-su-peptidi\/"},"modified":"2026-09-12T03:28:19","modified_gmt":"2026-09-12T03:28:19","slug":"co-jsou-peptidy","status":"publish","type":"post","link":"https:\/\/sorapeptides.com\/cs\/co-jsou-peptidy\/","title":{"rendered":"Co jsou peptidy"},"content":{"rendered":"<figure class=\"sora-clanak-figure\"><img width=\"1300\" height=\"743\" src=\"https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac-1300x743.webp\" class=\"sora-clanak-slika wp-image-30313\" alt=\"Trojrozm\u011brn\u00e9 zobrazen\u00ed peptidov\u00e9ho \u0159et\u011bzce\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac-1300x743.webp 1300w, https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac-400x229.webp 400w, https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac-768x439.webp 768w, https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac-1536x877.webp 1536w, https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac-430x246.webp 430w, https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac-700x400.webp 700w, https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac-150x86.webp 150w, https:\/\/sorapeptides.com\/wp-content\/uploads\/2026\/08\/clanak-peptidi-lanac.webp 1600w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" title=\"Peptidy v prodeji\"><\/figure>\n<p>Peptidy jsou kr\u00e1tk\u00e9 \u0159et\u011bzce aminokyselin. Kdy\u017e se dv\u011b nebo v\u00edce aminokyselin spoj\u00ed peptidovou vazbou, vznik\u00e1 peptid. Kdy\u017e se \u0159et\u011bzec prodlou\u017e\u00ed p\u0159es p\u0159ibli\u017en\u011b pades\u00e1t aminokyselin, ji\u017e nemluv\u00edme o peptidu, ale o b\u00edlkovin\u011b. Hranice nen\u00ed ostr\u00e1 a r\u016fzn\u00e9 zdroje ji kladou na r\u016fzn\u00e1 m\u00edsta, ale princip je jednoduch\u00fd: peptid je kr\u00e1tk\u00fd, b\u00edlkovina je dlouh\u00e1.<\/p>\n<p>V organismu peptidy vykon\u00e1vaj\u00ed nejr\u016fzn\u011bj\u0161\u00ed \u00fakoly. N\u011bkter\u00e9 jsou hormony, n\u011bkter\u00e9 se pod\u00edlej\u00ed na p\u0159eno\u0161en\u00ed sign\u00e1l\u016f mezi bu\u0148kami, n\u011bkter\u00e9 maj\u00ed roli v imunitn\u00ed odpov\u011bdi. Pr\u00e1v\u011b tato sign\u00e1ln\u00ed role je d\u016fvodem, pro\u010d jsou peptidy zaj\u00edmav\u00e9 pro kosmetick\u00fd pr\u016fmysl.<\/p>\n<h2>Jak se peptidy pojmenov\u00e1vaj\u00ed<\/h2>\n<p>N\u00e1zev peptidu obvykle \u0159\u00edk\u00e1, kolik aminokyselin obsahuje. P\u0159edpona poch\u00e1z\u00ed z \u0159e\u010dtiny:<\/p>\n<ul>\n<li><strong>dipeptid<\/strong> \u2013 dv\u011b aminokyseliny<\/li>\n<li><strong>tripeptid<\/strong> \u2013 t\u0159i<\/li>\n<li><strong>tetrapeptid<\/strong> \u2013 \u010dty\u0159i<\/li>\n<li><strong>pentapeptid<\/strong> \u2013 p\u011bt<\/li>\n<li><strong>oligopeptid<\/strong> \u2013 n\u011bkolik, obvykle do des\u00edtky<\/li>\n<li><strong>polypeptid<\/strong> \u2013 mnoho, ji\u017e bl\u00edzko b\u00edlkovin\u011b<\/li>\n<\/ul>\n<p>Proto na etiket\u011b kosmetick\u00e9ho produktu uvid\u00edte n\u00e1zvy jako <em>Acetyl Tetrapeptide-3<\/em> nebo <em>Palmitoyl Tripeptide-1<\/em>. \u010c\u00edslo na konci nen\u00ed koncentrace ani s\u00edla, ale ozna\u010den\u00ed konkr\u00e9tn\u00ed molekuly z t\u00e9to skupiny.<\/p>\n<p>P\u0159edpona na za\u010d\u00e1tku, jako <em>acetyl<\/em>, <em>palmitoyl<\/em> nebo <em>biotinoyl<\/em>, ozna\u010duje molekulu p\u0159ipojenou k peptidu, aby zm\u011bnila jeho chov\u00e1n\u00ed \u2013 nej\u010dast\u011bji aby sn\u00e1ze proch\u00e1zel tukovou vrstvou k\u016f\u017ee nebo aby byl ve formulaci stabiln\u011bj\u0161\u00ed.<\/p>\n<h2><a href=\"https:\/\/sorapeptides.com\/cs\/peptidy-v-kosmetice\/\">Peptidy v kosmetice<\/a><\/h2>\n<p>V kosmetice se peptidy pou\u017e\u00edvaj\u00ed jako takzvan\u00e9 sign\u00e1ln\u00ed slo\u017eky. My\u0161lenkou je, \u017ee kr\u00e1tk\u00fd \u0159et\u011bzec aminokyselin p\u0159ipom\u00edn\u00e1 fragment n\u011bjak\u00e9 p\u0159irozen\u00e9 b\u00edlkoviny a \u017ee p\u0159i kontaktu s bu\u0148kou m\u016f\u017ee vstoupit do komunikace, kter\u00e1 v k\u016f\u017ei tak jako tak prob\u00edh\u00e1.<\/p>\n<p>Peptidy, kter\u00e9 se v kosmetice vyskytuj\u00ed nej\u010dast\u011bji, se hrub\u011b d\u011bl\u00ed do n\u011bkolika skupin:<\/p>\n<ul>\n<li><strong>sign\u00e1ln\u00ed peptidy<\/strong> \u2013 nejpo\u010detn\u011bj\u0161\u00ed skupina v p\u00e9\u010dov\u00fdch produktech<\/li>\n<li><strong>nosi\u010dov\u00e9 peptidy<\/strong> \u2013 v\u00e1\u017e\u00ed stopov\u00e9 prvky, nejzn\u00e1m\u011bj\u0161\u00edm p\u0159\u00edkladem je m\u011bden\u00fd tripeptid <a href=\"https:\/\/sorapeptides.com\/cs\/ghk-cu-medeny-peptid\/\">GHK-Cu<\/a><\/li>\n<li><strong>inhibitory enzym\u016f<\/strong> \u2013 zpomaluj\u00ed rozklad ur\u010dit\u00fdch struktur v k\u016f\u017ei<\/li>\n<li><strong>neurotransmiterov\u00e9 peptidy<\/strong> \u2013 ovliv\u0148uj\u00ed stah sval\u016f, zn\u00e1m\u00e9 z produkt\u016f pro mimiku obli\u010deje<\/li>\n<\/ul>\n<p>Podrobn\u011bji o ka\u017ed\u00e9 skupin\u011b a o tom, jak se \u010dtou ozna\u010den\u00ed INCI, jsme psali v textu <a href=\"https:\/\/sorapeptides.com\/cs\/peptidy-v-kosmetice\/\">Peptidy v kosmetice<\/a>.<\/p>\n<h2>\u010c\u00edm peptidy v kosmetice jsou a \u010d\u00edm nejsou<\/h2>\n<p>Tady je d\u016fle\u017eit\u00e9 b\u00fdt p\u0159esn\u00fd, proto\u017ee kolem peptid\u016f se nast\u0159\u00e1dalo dost p\u0159eh\u00e1n\u011bn\u00ed.<\/p>\n<p>Peptid v kosmetick\u00e9m produktu je slo\u017eka. V\u00fdzkumy uv\u00e1d\u011bn\u00e9 u jednotliv\u00fdch peptid\u016f byly nej\u010dast\u011bji provedeny na bun\u011b\u010dn\u00fdch kultur\u00e1ch nebo za omezen\u00fdch podm\u00ednek, s ur\u010ditou koncentrac\u00ed a ur\u010dit\u00fdm nosi\u010dem. V\u00fdsledek takov\u00e9ho v\u00fdzkumu \u0159\u00edk\u00e1 n\u011bco o slo\u017ece, ale ne\u0159\u00edk\u00e1 automaticky nic o hotov\u00e9m produktu, kter\u00fd tuto slo\u017eku obsahuje.<\/p>\n<p>Hotov\u00fd produkt p\u016fsob\u00ed nebo nep\u016fsob\u00ed podle koncentrace, formulace, zp\u016fsobu pou\u017eit\u00ed a u k\u016f\u017ee tak\u00e9 podle toho, nakolik slo\u017eka v\u016fbec m\u016f\u017ee proj\u00edt povrchovou vrstvou. Proto je rozumn\u00e9 vn\u00edmat peptid jako slo\u017eku s d\u016fvodem b\u00fdt ve formulaci, a ne jako z\u00e1ruku v\u00fdsledku.<\/p>\n<h2>Peptidy jako l\u00e9ky<\/h2>\n<p>Existuj\u00ed i peptidy, kter\u00e9 jsou registrovan\u00fdmi l\u00e9ky. P\u0159edepisuj\u00ed se, d\u00e1vkuj\u00ed a pou\u017e\u00edvaj\u00ed pod dohledem l\u00e9ka\u0159e a s kosmetick\u00fdmi peptidy nemaj\u00ed mnoho spole\u010dn\u00e9ho krom\u011b chemick\u00e9 t\u0159\u00eddy. Kosmetick\u00fd produkt s peptidy nen\u00ed n\u00e1hradou l\u00e9ku a nem\u011bl by se tak vn\u00edmat.<\/p>\n<h2>Pro\u010d se peptidy zmi\u0148uj\u00ed u vlas\u016f<\/h2>\n<p>Poko\u017eka hlavy je k\u016f\u017ee jako ka\u017ed\u00e1 jin\u00e1, se sv\u00fdmi cykly a svou strukturou. Peptidy pou\u017e\u00edvan\u00e9 v p\u00e9\u010di o ple\u0165 na\u0161ly cestu i do produkt\u016f pro poko\u017eku hlavy, kde se kombinuj\u00ed se zp\u016fsoby nan\u00e1\u0161en\u00ed, kter\u00e9 jim pomohou rovnom\u011brn\u011b se rozprost\u0159\u00edt.<\/p>\n<p>Pokud v\u00e1s zaj\u00edm\u00e1, co konkr\u00e9tn\u011b takov\u00e9 produkty obsahuj\u00ed a \u010d\u00edm se li\u0161\u00ed, pod\u00edvejte se na text <a href=\"https:\/\/sorapeptides.com\/cs\/sera-a-ampule-na-vlasy\/\">S\u00e9ra a ampule na vlasy<\/a>.<\/p>\n<h2>Ve zkratce<\/h2>\n<p>Peptid je kr\u00e1tk\u00fd \u0159et\u011bzec aminokyselin. V kosmetice se pou\u017e\u00edv\u00e1 jako sign\u00e1ln\u00ed slo\u017eka a ozna\u010duje se n\u00e1zvem INCI s p\u0159edponou a \u010d\u00edslem. Vyplat\u00ed se jej zn\u00e1t a \u010d\u00edst na etiket\u011b, ale nem\u011bl by se zam\u011b\u0148ovat s l\u00e9kem ani od n\u011bj o\u010dek\u00e1vat to, co jedna slo\u017eka sama p\u0159in\u00e9st nem\u016f\u017ee.<\/p>\n<p><strong>Souvisej\u00edc\u00ed:<\/strong> <a href=\"https:\/\/sorapeptides.com\/cs\/peptidy-prodej\/\">Nab\u00eddka peptidov\u00fdch komplex\u016f SORA<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Peptid je kr\u00e1tk\u00fd \u0159et\u011bzec aminokyselin. Vysv\u011btlen\u00ed, jak se pojmenov\u00e1vaj\u00ed, jak se d\u011bl\u00ed a \u010d\u00edm v kosmetice jsou a \u010d\u00edm nejsou.<\/p>\n","protected":false},"author":0,"featured_media":31330,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[227],"tags":[],"class_list":["post-31793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-peptidy"],"_links":{"self":[{"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/posts\/31793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/comments?post=31793"}],"version-history":[{"count":4,"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/posts\/31793\/revisions"}],"predecessor-version":[{"id":33141,"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/posts\/31793\/revisions\/33141"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/media\/31330"}],"wp:attachment":[{"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/media?parent=31793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/categories?post=31793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sorapeptides.com\/cs\/wp-json\/wp\/v2\/tags?post=31793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}