{"id":8255,"date":"2024-08-11T21:05:50","date_gmt":"2024-08-11T21:05:50","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8255"},"modified":"2024-08-11T21:05:50","modified_gmt":"2024-08-11T21:05:50","slug":"pu-erh-large-leaf-tea","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/pu-erh-nagy-level-tea\/","title":{"rendered":"A Pu erh nagy level\u0171 tea akt\u00edv vegy\u00fcletei, amelyek stimul\u00e1lj\u00e1k a melatonin receptorokat"},"content":{"rendered":"<p>A Pu erh nagy level\u0171 tea akt\u00edv vegy\u00fcletei, amelyek stimul\u00e1lj\u00e1k a melatonin receptorokat<br \/>\nA depresszi\u00f3, a szorong\u00e1s \u00e9s az alv\u00e1szavarok gyakori k\u00f6zponti idegrendszeri betegs\u00e9gek, \u00e9s a modern farmakol\u00f3giai kutat\u00e1sok szerint kialakul\u00e1suk a neurotranszmitterek, p\u00e9ld\u00e1ul a melatonin (MT) \u00e9s a szerotonin szintj\u00e9nek cs\u00f6kken\u00e9s\u00e9vel, valamint a receptorfunkci\u00f3 hanyatl\u00e1s\u00e1val f\u00fcgg \u00f6ssze. Ez\u00e9rt ezen neurotranszmitterek receptormodelljeit gyakran alkalmazz\u00e1k az antipszichotikus gy\u00f3gyszerek fejleszt\u00e9s\u00e9ben, amelyek k\u00f6z\u00fcl az MT1 receptor agonist\u00e1kat, mint a cirkadin, a ramelteon, az agomelatin stb. klinikailag m\u00e1r alkalmazz\u00e1k a k\u00f6zponti idegrendszeri betegs\u00e9gek, p\u00e9ld\u00e1ul a depresszi\u00f3 kezel\u00e9s\u00e9re.<br \/>\nA te\u00e1t a Theaceae csal\u00e1dba tartoz\u00f3 Camellia n\u00f6v\u00e9nyek zsenge leveleib\u0151l vagy r\u00fcgyeib\u0151l dolgozz\u00e1k fel, \u00e9s r\u00e9g\u00f3ta haszn\u00e1lj\u00e1k gy\u00f3gy\u00e1szati \u00e9s \u00e9tkez\u00e9si c\u00e9lokra. A modern farmakol\u00f3giai kutat\u00e1sok kimutatt\u00e1k, hogy a tea sz\u00e1mos farmakol\u00f3giai hat\u00e1ssal rendelkezik, p\u00e9ld\u00e1ul serkenti a k\u00f6zponti idegrendszert, v\u00edzhajt\u00f3, antioxid\u00e1ns, v\u00edrusellenes \u00e9s v\u00e9rnyom\u00e1scs\u00f6kkent\u0151. A tea polifenolokat \u00e1ltal\u00e1ban a tea aktivit\u00e1s\u00e1nak anyagi alapj\u00e1nak tekintik. A tea antipszichotikus aktivit\u00e1s\u00e1nak anyagi alapja azonban nem teljesen vil\u00e1gos, \u00e9s kev\u00e9s jelent\u00e9s sz\u00f3l a tea melatonin receptor funkci\u00f3ra gyakorolt hat\u00e1s\u00e1r\u00f3l.<\/p>\n<p>A tealevelek antipszichotikus hat\u00e1s\u00e1nak anyagi alapjainak tov\u00e1bbi tiszt\u00e1z\u00e1sa \u00e9rdek\u00e9ben ez a vizsg\u00e1lat meg\u00e1llap\u00edtotta, hogy a Puer tea (Camellia sinensis) friss levelek kivonat\u00e1nak etil-acet\u00e1t r\u00e9sze jelent\u0151s stimul\u00e1l\u00f3 hat\u00e1st fejtett ki a melatonin receptorokra. A melatoninreceptor-serkent\u0151 aktivit\u00e1st vizsg\u00e1l\u00f3 modell alapj\u00e1n, az aktivit\u00e1sk\u00f6vet\u00e9s ir\u00e1ny\u00edt\u00e1sa mellett, a szilikag\u00e9l oszlopkromatogr\u00e1fi\u00e1t \u00e9s a nagy teljes\u00edtm\u00e9ny\u0171 folyad\u00e9kkromatogr\u00e1fi\u00e1t \u00e1tfog\u00f3an haszn\u00e1lt\u00e1k a tealevelek akt\u00edv r\u00e9szeinek nyomon k\u00f6vet\u00e9s\u00e9re \u00e9s elk\u00fcl\u00f6n\u00edt\u00e9s\u00e9re. Az izol\u00e1lt vegy\u00fcletek melatonin receptorokra gyakorolt stimul\u00e1l\u00f3 hat\u00e1s\u00e1nak vizsg\u00e1lat\u00e1ra a kalcium-\u00e1raml\u00e1sos detekt\u00e1l\u00e1si m\u00f3dszert alkalmaztuk HEK293 sejtmodelleken, hogy t\u00f6bb elm\u00e9leti alapot biztos\u00edtsunk a tealevelek tov\u00e1bbi fejleszt\u00e9s\u00e9hez \u00e9s felhaszn\u00e1l\u00e1s\u00e1hoz, valamint az \u00faj antipszichotikus gy\u00f3gyszerek kutat\u00e1s\u00e1hoz \u00e9s fejleszt\u00e9s\u00e9hez.<\/p>\n<p>&nbsp;<\/p>\n<p>A modern farmakol\u00f3giai kutat\u00e1sok kimutatt\u00e1k, hogy a melatonin receptorfunkci\u00f3ja szorosan \u00f6sszef\u00fcgg a ment\u00e1lis betegs\u00e9gek, p\u00e9ld\u00e1ul a depresszi\u00f3 \u00e9s a szorong\u00e1s kialakul\u00e1s\u00e1val \u00e9s kezel\u00e9s\u00e9vel; a tea farmakol\u00f3giai aktivit\u00e1sa a k\u00f6zponti idegrendszert izgatja, de hat\u00f3anyag-alapja nem teljesen vil\u00e1gos. Ez\u00e9rt a tea antipszichotikus aktivit\u00e1s\u00e1nak anyagi alapj\u00e1nak tov\u00e1bbi tiszt\u00e1z\u00e1sa \u00e9rdek\u00e9ben ez a tanulm\u00e1ny a melatoninreceptor MTT-tesztet haszn\u00e1lta a modell tesztel\u00e9s\u00e9re. Az aktivit\u00e1sk\u00f6vet\u00e9s ir\u00e1ny\u00edt\u00e1s\u00e1val 9 polifenolos vegy\u00fcletet izol\u00e1ltak a Pu'er nagy level\u0171 tea akt\u00edv r\u00e9szeib\u0151l. K\u00e9miai szerkezet\u00fcket HR-ESI-MS \u00e9s NMR elemz\u00e9ssel azonos\u00edtott\u00e1k, \u00e9s \u00f6sszehasonl\u00edtott\u00e1k az irodalmi adatokkal. Az 1. \u00e9s 2. vegy\u00fclet az els\u0151 felfedezett flavonol-pir\u00e1n-sz\u00e1rmaz\u00e9kok a Camellia nemzets\u00e9gb\u0151l, gazdag\u00edtva a tealevelek k\u00e9miai inform\u00e1ci\u00f3it.<\/p>\n<p>Az aktivit\u00e1svizsg\u00e1lat eredm\u00e9nyei azt mutatt\u00e1k, hogy mind a 9, ebben a vizsg\u00e1latban kapott vegy\u00fcletnek van bizonyos gerjeszt\u0151 hat\u00e1sa a melatonin MT1 receptorra, \u00e9s a melatonin MT1 receptorra gyakorolt gerjeszt\u0151 hat\u00e1s \u00e1ltal\u00e1ban nagyobb, mint a melatonin MT2 receptorra gyakorolt megfelel\u0151 gerjeszt\u0151 hat\u00e1s. K\u00fcl\u00f6n eml\u00edt\u00e9st \u00e9rdemel a tea egyik f\u0151 \u00f6sszetev\u0151j\u00e9nek sz\u00e1m\u00edt\u00f3 (-) - katechin (3) vegy\u00fclet magas tartalma, amely mind a melatonin MT1, mind az MT2 receptorra nagyfok\u00fa gerjeszt\u0151 hat\u00e1ssal b\u00edr. Val\u00f3sz\u00edn\u0171leg ez a tea f\u0151 hat\u00f3anyaga, amely szab\u00e1lyozza az MT receptorokat \u00e9s antipszichotikus hat\u00e1st fejt ki. Hat\u00e1smechanizmusa tov\u00e1bbi vizsg\u00e1latot \u00e9rdemel.<\/p>","protected":false},"excerpt":{"rendered":"<p>Active compounds in Pu erh large leaf tea that stimulate melatonin receptors Depression, anxiety, and sleep disorders are common central nervous system diseases, and modern pharmacological research suggests that their onset is related to a decrease in the levels of neurotransmitters such as melatonin (MT) and serotonin, as well as a decline in receptor function. 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