Melaninlar (Yun. melas \u2014 qora) \u2014 to’q jigarrang va qora pigmentlar. Odam, o’simlik va hayvon to’qimalarida keng tarqalgan. Yuqori molekulali bo’lib, suvda erimaydi. Teri qoplami va uning hosilalari (soch, jun, pat, tanga- chalar), hasharotlar kutikulalari, meva po’sti va h.k. rangini belgilaydi; albi- noslarda M. bo’lmaydi (q. Albinizm). M. tirozin aminokislotalarining OK- sidlanishi natijasida hosil bo’ladigan o’zgarishlar mahsuli. Odam terisining rangi ma’lum darajada M.ga bog’liq. Odam va hayvonlarda M. hosil bo’lishi endokrin bezlar faoliyati b-n bog’liq. Ayrim gormonal buzilishlar, ba’zan homiladorlik, ku-yish va ultrabinaf- sha nurlar ta’sirida terida M. paydo bo’lishi tezlashadi. M. miqsorining ortishi so’gal, ayrim xavfli o’sma (Mela- noma)larda kuzatiladi. Ba’zan o’simlik mahsulotlarini tozalash chog’ida (mas, kartoshka artganda) ham M. hosil bo’lishi mumkin.<\/p>\n","protected":false},"excerpt":{"rendered":"
Melaninlar (Yun. melas \u2014 qora) \u2014 to’q jigarrang va qora pigmentlar. Odam, o’simlik va hayvon to’qimalarida keng tarqalgan. Yuqori molekulali bo’lib, suvda erimaydi. Teri qoplami va uning hosilalari (soch, jun, … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":99837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[217],"tags":[],"class_list":["post-121197","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-m-harfi","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"ru","enabled_languages":["uz","kr","ru"],"languages":{"uz":{"title":true,"content":true,"excerpt":false},"kr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/121197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/comments?post=121197"}],"version-history":[{"count":1,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/121197\/revisions"}],"predecessor-version":[{"id":121211,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/121197\/revisions\/121211"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media\/99837"}],"wp:attachment":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media?parent=121197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/categories?post=121197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/tags?post=121197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}