{"id":5899,"date":"2022-02-24T20:47:43","date_gmt":"2022-02-24T18:47:43","guid":{"rendered":"https:\/\/findvit.com\/?p=5899"},"modified":"2023-03-29T14:11:01","modified_gmt":"2023-03-29T11:11:01","slug":"salcio-poveikis-ir-riebalu-deginimas","status":"publish","type":"post","link":"https:\/\/findvit.com\/lv\/salcio-poveikis-ir-riebalu-deginimas\/","title":{"rendered":"Aukstuma ietekme uz tauku dedzin\u0101\u0161anu un A vitam\u012bna iesaist\u012b\u0161an\u0101s"},"content":{"rendered":"

Vai esat k\u0101dreiz dzird\u0113ju\u0161i, ka laika apst\u0101k\u013ci var ietekm\u0113t j\u016bsu svaru? Slikti laikapst\u0101k\u013ci var b\u016bt labs attaisnojums, lai atliktu ikdienas skr\u0113jienu, ta\u010du jauni p\u0113t\u012bjumi liecina, ka vingro\u0161ana aukst\u0101k\u0101 temperat\u016br\u0101 var sadedzin\u0101t vair\u0101k tauku nek\u0101 parasti \u2014 vismaz \u012bs\u0101ku, augstas intensit\u0101tes treni\u0146u laik\u0101.<\/p>\n\n\n\n

\"Skrie\u0161ana<\/figure>\n\n\n\n

Tauku reakcija uz gaisu<\/strong><\/h2>\n\n\n\n

Ir divu veidu taukaudi \u2013 baltie un br\u016bnie. Baltie taukaudi organism\u0101 tiek uzkr\u0101ti tauku un kaloriju veid\u0101, bet, kad \u0137ermenis atbr\u012bvo ener\u0123iju vai siltumu (termo\u0123en\u0113ze vai tauku dedzin\u0101\u0161ana), baltie taukaudi k\u013c\u016bst br\u016bni. Bet kas liek tam k\u013c\u016bt br\u016bnam vai aktiviz\u0113 br\u016bnos taukaudus, kas jums jau ir?<\/p>\n\n\n\n

Lai gan \u0137erme\u0146a pirm\u0101 reakcija uz aukstumu ir drebu\u013ci, galu gal\u0101 organism\u0101 tiek ra\u017eots un aktiviz\u0113ts pietiekami daudz br\u016bno tauku, lai p\u0101r\u0146emtu siltuma ra\u017eo\u0161anas funkciju. Jebkur\u0101 gad\u012bjum\u0101, rea\u0123\u0113jot uz aukstumu, \u0137ermenis sadedzina papildu kalorijas.<\/p>\n\n\n\n

Tas pat var pal\u012bdz\u0113t jums zaud\u0113t svaru. Kam\u0113r j\u016bs nep\u0101r\u0113d\u012bsiet, lai kompens\u0113tu papildu ener\u0123iju, ko j\u016bsu \u0137ermenis izmanto, pak\u013caujoties aukstumam, j\u016bs varat sagaid\u012bt, ka aukstuma d\u0113\u013c zaud\u0113siet svaru. Cik tas ir atkar\u012bgs no cilv\u0113ka.<\/p>\n\n\n\n

Tam var b\u016bt papildu vielmai\u0146as priek\u0161roc\u012bbas. Cilv\u0113kiem ar vair\u0101k br\u016bnajiem taukiem ir lab\u0101ka jut\u012bba pret insul\u012bnu un zem\u0101ks cirkul\u0113jo\u0161o tauksk\u0101bju un triglicer\u012bdu l\u012bmenis.<\/p>\n\n\n\n

Daudziem cilv\u0113kiem ir jaut\u0101jumi par to, k\u0101 sadedzin\u0101t taukus. Par \u0161o t\u0113mu ir daudz p\u0113t\u012bjumu un noder\u012bgas inform\u0101cijas:<\/h3>\n\n\n\n

Kas liek taukaudiem k\u013c\u016bt br\u016bniem vai aktiviz\u0113 eso\u0161os br\u016bnos taukaudus? Vien\u0101 p\u0113t\u012bjum\u0101, kas tika veikts V\u012bnes Medic\u012bnas universit\u0101t\u0113 sadarb\u012bb\u0101 ar p\u0113tniekiem no H\u0101rvardas Medic\u012bnas skolas, Rutgersas universit\u0101tes un Brigham and Women's Hospital, tika p\u0113t\u012bta aukstuma ietekme uz termo\u0123en\u0113zi pel\u0113m un cilv\u0113kiem.<\/p>\n\n\n\n

P\u0113t\u012bjum\u0101 piedal\u012bj\u0101s 30 veseli, liesi br\u012bvpr\u0101t\u012bgie (vecum\u0101 no 20 l\u012bdz 45 gadiem), kuri 2,5 stundas bija pak\u013cauti m\u0113renam aukstumam (14-17 gr\u0101di p\u0113c Celsija), valk\u0101jot ar \u016bdeni pild\u012bt\u0101s dzes\u0113\u0161anas vestes. Iepriek\u0161\u0113jie p\u0113t\u012bjumi liecina, ka \u0161\u012b temperat\u016bra stimul\u0113 br\u016bno taukaudu veido\u0161anos, kas savuk\u0101rt veicina taukaudu zudumu. <\/p>\n\n\n\n

K\u0101 zin\u0101ms, A vitam\u012bna (retinola) metabolismam ir liela noz\u012bme taukaudu aktiviz\u0113\u0161an\u0101. \u0160is p\u0113t\u012bjums atkl\u0101ja, ka aukstuma iedarb\u012bba iev\u0113rojami palielin\u0101ja retinola un retinolu saisto\u0161\u0101 prote\u012bna (RBP) l\u012bmeni asin\u012bs. RBP ir b\u016btiska A vitam\u012bna transport\u0113\u0161anai no akn\u0101m (kur tas tiek uzglab\u0101ts) uz citiem \u0137erme\u0146a audiem, tostarp taukaudiem.<\/p>\n\n\n\n

Turkl\u0101t, nov\u0113rt\u0113jot \u010detru donoru adipoc\u012btu cilmes \u0161\u016bnas, p\u0113tnieki atkl\u0101ja, ka "retinols veicina cilv\u0113ka adipoc\u012btu br\u016bnin\u0101\u0161anu un koordin\u0113ti pa\u0101trina oksidat\u012bvo metabolismu". \u0160o secin\u0101jumu apstiprin\u0101ja p\u0113t\u012bjumi ar pel\u0113m.<\/p>\n\n\n\n

Vai \u0161is svara zudums ir \u012bslaic\u012bgs?<\/strong><\/h2>\n\n\n\n

Cik daudz aukstuma nepiecie\u0161ams, lai palielin\u0101tu organismam labv\u0113l\u012bgo br\u016bno un smil\u0161kr\u0101sas tauku daudzumu? Tas ir atkar\u012bgs no daudziem faktoriem. Pirmk\u0101rt, tas, cik daudz aukstuma j\u016bs varat iztur\u0113t, pirms s\u0101kat justies aukstumam, ir atkar\u012bgs no t\u0101, vai j\u016bsu \u0137ermen\u012b ir balto tauku nogulsnes, kas izol\u0113 j\u016bsu \u0137ermeni.<\/p>\n\n\n\n

Nav ar\u012b skaidrs, vai svara zudumam un vielmai\u0146as izmai\u0146\u0101m, kas saist\u012btas ar br\u016bnajiem taukiem, b\u016bs ilgtermi\u0146a ieguvumi vesel\u012bbai. Daudzi uztura p\u0113t\u012bjumi ir par\u0101d\u012bju\u0161i, ka gandr\u012bz jebkura iejauk\u0161an\u0101s var pal\u012bdz\u0113t jums zaud\u0113t svaru \u012bstermi\u0146\u0101. Tom\u0113r \u0137ermenim pat\u012bk atgriezties pie homeost\u0101zes. T\u0101p\u0113c ir tik gr\u016bti notur\u0113t svaru.<\/p>\n\n\n\n

\"pirms<\/figure>\n\n\n\n

A vitam\u012bns tauku dedzin\u0101\u0161anai?<\/strong><\/h2>\n\n\n\n

P\u0113t\u012bjums neapstiprin\u0101ja, ka A vitam\u012bna lieto\u0161ana var pal\u012bdz\u0113t sadedzin\u0101t vair\u0101k tauku. Eirop\u0101 A vitam\u012bna defic\u012bts<\/a> nav izplat\u012bta. Vairumam pieaugu\u0161o vajadz\u0113tu pietikt ar sabalans\u0113tu uzturu un labu multivitam\u012bnu daudzumu. Tom\u0113r \u0161is p\u0113t\u012bjums apstiprin\u0101ja, ka aukstums, iesp\u0113jams, vislab\u0101k piedz\u012bvots ziem\u0101, sportojot \u0101r\u0101, var stimul\u0113t A vitam\u012bna izdal\u012b\u0161anos no akn\u0101m, t\u0101d\u0113j\u0101di stimul\u0113jot tauku vielmai\u0146u. <\/p>\n\n\n\n

P\u0113tnieki secin\u0101ja: "A vitam\u012bna l\u012bmeni peles un cilv\u0113ka \u0137erme\u0146a sist\u0113m\u0101s regul\u0113 aukstuma iedarb\u012bba, un aukstuma izrais\u012btai taukaudu br\u016bnin\u0101\u0161anai un adapt\u012bvai termo\u0123en\u0113zei ir nepiecie\u0161ams neskarts retino\u012bdu transports."<\/p>\n\n\n\n

Vair\u0101k par organisma person\u012bgo vajadz\u012bbu p\u0113c miner\u0101lviel\u0101m vai vitam\u012bniem uzzin\u0101siet p\u0113c bezmaksas vesel\u012bbas p\u0101rbaudes veik\u0161anas "Tava diena"<\/a>:<\/p>\n\n\n\n

Svar\u012bgi!<\/strong><\/p>\n\n\n\n

* Savlaic\u012bgi piev\u0113rs uzman\u012bbu savas labsaj\u016btas raid\u012btajiem sign\u0101liem;<\/p>\n\n\n\n

*Papildin\u0101t organismu ar dab\u012bg\u0101m miner\u0101lviel\u0101m vai vitam\u012bniem;<\/p>\n\n\n\n

*Izbaudi ener\u0123iju un labu garast\u0101vokli katru dienu!<\/p>\n\n\n\n

\u2020 M\u016bsu vietne sniedz tikai visp\u0101r\u012bgu inform\u0101ciju. Ja Jums ir noteikta slim\u012bba vai lietojat papildu medikamentus vai uztura bag\u0101tin\u0101t\u0101jus, konsult\u0113jieties ar savu \u0101rstu vai farmaceitu.<\/p>\n\n\n\n

Literat\u016bra:<\/p>\n\n\n\n

Fenzl A, Kulterer O, Spirk K u.c. Neskarts A vitam\u012bna transports ir b\u016btisks aukstuma izrais\u012btai taukaudu br\u016bnin\u0101\u0161anai un termo\u0123en\u0113zei<\/a>. Mol Metab<\/em> 2020;42:101088. doi:10.1016\/j.molmet.2020.101088<\/p>","protected":false},"excerpt":{"rendered":"

Vai esat k\u0101dreiz dzird\u0113ju\u0161i, ka laika apst\u0101k\u013ci var ietekm\u0113t j\u016bsu svaru? Slikti laikapst\u0101k\u013ci var b\u016bt labs attaisnojums, lai atliktu ikdienas skr\u0113jienu, ta\u010du jauni p\u0113t\u012bjumi\u2026<\/p>","protected":false},"author":3,"featured_media":6023,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[148,104],"tags":[],"class_list":["post-5899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-svorio-kontrole-ir-lieknejimas","category-naturalus-vitaminai"],"acf":[],"_links":{"self":[{"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/posts\/5899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/comments?post=5899"}],"version-history":[{"count":5,"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/posts\/5899\/revisions"}],"predecessor-version":[{"id":12423,"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/posts\/5899\/revisions\/12423"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/media\/6023"}],"wp:attachment":[{"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/media?parent=5899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/categories?post=5899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/findvit.com\/lv\/wp-json\/wp\/v2\/tags?post=5899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}