{"id":3973,"date":"2024-08-03T14:23:56","date_gmt":"2024-08-03T14:23:56","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=3973"},"modified":"2024-08-03T14:23:56","modified_gmt":"2024-08-03T14:23:56","slug":"the-fruit-of-chinese-wolfberry","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/the-fruit-of-chinese-wolfberry\/","title":{"rendered":"A Lycium barbarum polifenolokkal kombin\u00e1lt l\u00fagos hidrol\u00edzis \u00e9s savas hidrol\u00edzis extrakci\u00f3s elj\u00e1r\u00e1sainak \u00f6sszehasonl\u00edt\u00e1sa \u00e9s term\u00e9kelemz\u00e9se"},"content":{"rendered":"

A Lycium barbarum polifenolokkal kombin\u00e1lt l\u00fagos hidrol\u00edzis \u00e9s savas hidrol\u00edzis extrakci\u00f3s elj\u00e1r\u00e1sainak \u00f6sszehasonl\u00edt\u00e1sa \u00e9s term\u00e9kelemz\u00e9se
\nA fenolos anyagok sz\u00e9les k\u00f6rben elterjedtek a n\u00f6v\u00e9nyvil\u00e1gban, bele\u00e9rtve a flavonoidokat, flavonoidokat, antoci\u00e1nokat, katechineket stb., \u00e9s a n\u00f6v\u00e9nyekben az egyik legnagyobb mennyis\u00e9gben el\u0151fordul\u00f3 m\u00e1sodlagos anyagcsereterm\u00e9k. Er\u0151teljes antioxid\u00e1ns tulajdons\u00e1gaik \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 oxidat\u00edv stresszel kapcsolatos betegs\u00e9gek megel\u0151z\u00e9s\u00e9ben kifejtett jelent\u0151s hat\u00e1suk, p\u00e9ld\u00e1ul antioxid\u00e1ns, gyullad\u00e1scs\u00f6kkent\u0151, daganatellenes, v\u00e9rnyom\u00e1scs\u00f6kkent\u0151, hipoglik\u00e9mi\u00e1s \u00e9s lipidcs\u00f6kkent\u0151 hat\u00e1suk miatt a fenolos anyagok az \u00e9lelmiszerekben \u00e9s a term\u00e9szetes\/hagyom\u00e1nyos k\u00ednai orvosl\u00e1sban egyre nagyobb figyelmet kapnak. A n\u00f6v\u00e9nyekben a fenolok szabad \u00e9s k\u00f6t\u00f6tt form\u00e1ban is l\u00e9teznek, nevezetesen oldhat\u00f3 fenolos anyagok, amelyek old\u00f3szerekkel kivonhat\u00f3k, \u00e9s nem kivonhat\u00f3 fenolos vegy\u00fcletek (NEPC), amelyek old\u00f3szerekkel k\u00f6zvetlen\u00fcl nem vonhat\u00f3k ki. Az ut\u00f3bbiak kovalens k\u00f6t\u00e9seken, p\u00e9ld\u00e1ul \u00e9szterk\u00f6t\u00e9seken \u00e9s glikozidos k\u00f6t\u00e9seken kereszt\u00fcl k\u00f6t\u0151dnek makromolekul\u00e1khoz, p\u00e9ld\u00e1ul cukrokhoz, hemicellul\u00f3zhoz, pektinhez \u00e9s feh\u00e9rj\u00e9khez, \u00e9s a n\u00f6v\u00e9nyekben a fenolos komponensek f\u0151 form\u00e1ja. Az \u00e9lelmiszerekben tal\u00e1lhat\u00f3 fenolos anyagokkal kapcsolatos kutat\u00e1sok meg\u00e1llap\u00edtott\u00e1k, hogy a NEPC jobb biol\u00f3giai aktivit\u00e1st mutat, mint a szabad fenolos anyagok. P\u00e9ld\u00e1ul a szabad fenolokhoz k\u00e9pest a gabon\u00e1ban l\u00e9v\u0151 NEPC nagyobb peroxid gy\u00f6kfog\u00f3 k\u00e9pess\u00e9get \u00e9s sejtantioxid\u00e1ns aktivit\u00e1st mutat. \u00c1ltal\u00e1nosan elfogadott n\u00e9zet, hogy a n\u00f6v\u00e9nyekben tal\u00e1lhat\u00f3 fenolos anyagok biol\u00f3giai aktivit\u00e1sa szorosan \u00f6sszef\u00fcgg biol\u00f3giai hozz\u00e1f\u00e9rhet\u0151s\u00e9g\u00fckkel. A gy\u00f3gyszeranyagcser\u00e9vel kapcsolatos kutat\u00e1sok meg\u00e1llap\u00edtott\u00e1k, hogy a szabad fenolokat az em\u00e9szt\u0151nedvek lebonthatj\u00e1k, m\u00edg a NEPC a nagy molekul\u00e1kkal val\u00f3 t\u00e1rsul\u00e1sa miatt nem em\u00e9szt\u0151dik. A b\u00e9lbe ker\u00fclve a b\u00e9l mikrobi\u00f3ta hidroliz\u00e1lja, \u00edgy biol\u00f3giai aktivit\u00e1st fejt ki, s\u0151t, a tart\u00f3s hat\u00f3anyag-lead\u00e1s\u00fa k\u00e9sz\u00edtm\u00e9nyekhez hasonl\u00f3 hat\u00e1st fejt ki. Ezenk\u00edv\u00fcl n\u00e9h\u00e1ny NEPC m\u00e1s, az emberi szervezetre hat\u00f3 vegy\u00fcletekk\u00e9 is \u00e1talakulhat. Ez\u00e9rt az \u00e9lelmiszerekben \u00e9s a term\u00e9szetes\/hagyom\u00e1nyos k\u00ednai gy\u00f3gy\u00e1szatban tal\u00e1lhat\u00f3 NEPC m\u00e9lyrehat\u00f3 elemz\u00e9se seg\u00edthet a fenolos anyagok biol\u00f3giai aktivit\u00e1s\u00e1nak \u00e1tfog\u00f3 \u00e9rt\u00e9kel\u00e9s\u00e9ben.
\nA Lycium barbarum L. a Solanaceae csal\u00e1dba tartoz\u00f3 Lycium barbarum L. n\u00f6v\u00e9ny sz\u00e1r\u00edtott \u00e9s \u00e9rett term\u00e9se. A modern farmakol\u00f3giai vizsg\u00e1latok kimutatt\u00e1k, hogy a Lycium barbarum sz\u00e1mos potenci\u00e1lis biol\u00f3giai aktivit\u00e1ssal rendelkezik, amelyek t\u00f6bbs\u00e9ge az antioxid\u00e1ns aktivit\u00e1shoz kapcsol\u00f3dik, amely a Lycium barbarum poliszacharidok \u00e9s fenolos vegy\u00fcletek szinergikus hat\u00e1sa. Kutat\u00f3csoportunk kor\u00e1bbi vizsg\u00e1latok sor\u00e1n meg\u00e1llap\u00edtotta, hogy a Lycium barbarum poliszacharidok l\u00fagos hidrol\u00edzis\u00e9nek term\u00e9keiben gallikusav \u00e9s ferulasav mutathat\u00f3 ki, ami a NEPC jelenl\u00e9t\u00e9re utal. A vonatkoz\u00f3 vizsg\u00e1lati eredm\u00e9nyek arra utalnak, hogy a Lycium barbarumban l\u00e9v\u0151 NEPC fontos szerepet j\u00e1tszik az antioxid\u00e1ns aktivit\u00e1s\u00e1ban. Jelenleg a goji bogy\u00f3k fenolos vegy\u00fcleteinek kutat\u00e1sa t\u00f6bbnyire az oldhat\u00f3 fenolokra \u00f6sszpontos\u00edt. A NEPC elhanyagol\u00e1sa al\u00e1becs\u00fclheti a goji bogy\u00f3k teljes tartalm\u00e1t, antioxid\u00e1ns kapacit\u00e1s\u00e1t \u00e9s a fenolos vegy\u00fcletek emberi eg\u00e9szs\u00e9gre gyakorolt pozit\u00edv hat\u00e1s\u00e1t.
\nA NEPC elemz\u00e9s\u00e9hez el\u0151sz\u00f6r megfelel\u0151 hidrol\u00edzis m\u00f3dszereket kell alkalmazni az \u00e9szter- \u00e9s glikozidos k\u00f6t\u00e9sek felbont\u00e1s\u00e1hoz \u00e9s a fenolos komponensek felszabad\u00edt\u00e1s\u00e1hoz. Jelenleg az irodalomban leggyakrabban haszn\u00e1lt hidrol\u00edzis m\u00f3dszerek a savas hidrol\u00edzis \u00e9s a l\u00fagos hidrol\u00edzis. A tanulm\u00e1nyok mintegy 30%-je savval (\u00e1ltal\u00e1ban s\u00f3savval vagy k\u00e9nsavval) hidroliz\u00e1lja a NEPC \u00e9s a makromolekul\u00e1k k\u00f6z\u00f6tti kovalens k\u00f6t\u00e9seket. A l\u00fagos hidrol\u00edzishez k\u00e9pest a savas hidrol\u00edzis t\u00f6bb fenolos komponenst k\u00e9pes felszabad\u00edtani, de a savas hidrol\u00edzishez sz\u00fcks\u00e9ges magas h\u0151m\u00e9rs\u00e9klet, magas savass\u00e1gi k\u00f6r\u00fclm\u00e9nyek \u00e9s az elh\u00faz\u00f3d\u00f3 hidrol\u00edzis gyakran a fenolos komponensek leboml\u00e1s\u00e1hoz vezethet. A n\u00f6v\u00e9nyekben gyakori fenolos vegy\u00fcletek, mint p\u00e9ld\u00e1ul a ferulasav, gyakran \u00e9szterk\u00f6t\u00e9seken kereszt\u00fcl k\u00f6t\u0151dnek a sejtfalakhoz. A legt\u00f6bb tanulm\u00e1ny l\u00fagos hidrol\u00edzist haszn\u00e1l a n\u00f6v\u00e9nyekben l\u00e9v\u0151 NEPC elemz\u00e9s\u00e9re. A NEPC szervetlen b\u00e1zisokkal, p\u00e9ld\u00e1ul n\u00e1trium-hidroxiddal t\u00f6rt\u00e9n\u0151 hidrol\u00edzis\u00e9n\u00e9l nincs sz\u00fcks\u00e9g magas h\u0151m\u00e9rs\u00e9kletre, de a reakci\u00f3t gyakran f\u00e9nymentesen, nitrog\u00e9nv\u00e9delem mellett kell elv\u00e9gezni a fenolos komponensek leboml\u00e1s\u00e1nak megakad\u00e1lyoz\u00e1sa \u00e9rdek\u00e9ben.
\nA goji bogy\u00f3k fenolos \u00f6sszetev\u0151inek \u00e1tfog\u00f3 \u00e9rt\u00e9kel\u00e9se \u00e9rdek\u00e9ben ez a tanulm\u00e1ny savas hidrol\u00edzist \u00e9s l\u00fagos hidrol\u00edzist alkalmazott a szabad fenolos \u00f6sszetev\u0151k elt\u00e1vol\u00edt\u00e1s\u00e1ra a goji bogy\u00f3kb\u00f3l. A fenolos komponensek hozam\u00e1t haszn\u00e1ltuk \u00e9rt\u00e9kel\u00e9si indexk\u00e9nt, \u00e9s egyt\u00e9nyez\u0151s k\u00eds\u00e9rleteket \u00e9s v\u00e1laszfel\u00fclet-m\u00f3dszertant alkalmaztunk a sav-b\u00e1zis koncentr\u00e1ci\u00f3, a hidrol\u00edzis ideje \u00e9s a szil\u00e1rd-folyad\u00e9k ar\u00e1ny \u00e9rt\u00e9kel\u00e9si indexre gyakorolt hat\u00e1s\u00e1nak \u00e9rt\u00e9kel\u00e9s\u00e9re. A l\u00fagos hidrol\u00edzis \u00e9s a savas hidrol\u00edzis folyamatfelt\u00e9teleit optimaliz\u00e1ltuk; az UPLC-Q-TOF-MS-t pedig a k\u00fcl\u00f6nb\u00f6z\u0151 hidrol\u00edzis m\u00f3dszerekkel nyert mint\u00e1k fenolos komponenseinek \u00f6sszehasonl\u00edt\u00e1s\u00e1ra haszn\u00e1ltuk, referenci\u00e1t szolg\u00e1ltatva a k\u00fcl\u00f6nb\u00f6z\u0151 fenolos komponensek megfelel\u0151 hidrol\u00edzis m\u00f3dszereinek kiv\u00e1laszt\u00e1s\u00e1hoz.
\n\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"<\/p>\n

 <\/p>\n

A fenolos vegy\u00fcletek a n\u00f6v\u00e9nyekben a legnagyobb mennyis\u00e9gben el\u0151fordul\u00f3 m\u00e1sodlagos anyagcsereterm\u00e9kek, \u00e9s egyben az egyik legink\u00e1bb \u00e9rintett bioakt\u00edv anyag. A n\u00f6v\u00e9nyekben a fenolos vegy\u00fcletek szabad \u00e9s k\u00f6t\u00f6tt form\u00e1ban is l\u00e9teznek, a NEPC a n\u00f6v\u00e9nyek fenolos anyagainak f\u0151 \u00f6sszetev\u0151je. A legt\u00f6bb kor\u00e1bbi tanulm\u00e1ny a szabad fenolok \u00f6sszet\u00e9tel\u00e9re \u00e9s biol\u00f3giai aktivit\u00e1s\u00e1ra \u00f6sszpontos\u00edtott, \u00e9s kevesebb figyelmet ford\u00edtott a NEPC-re. Jelenleg egyre t\u00f6bb tanulm\u00e1ny utal arra, hogy a NEPC fontos hat\u00f3anyag lehet az \u00e9lelmiszerekben \u00e9s a term\u00e9szetes\/hagyom\u00e1nyos k\u00ednai gy\u00f3gy\u00e1szatban. Hasonl\u00f3k\u00e9ppen, a goji bogy\u00f3k szabad fenolos komponenseinek kutat\u00e1sa nagyon alapos volt, de a NEPC-r\u0151l nem sz\u00e1moltak be. A kutat\u00f3csoport el\u0151zetes kutat\u00e1sai szerint a Lycium barbarum poliszacharidok gyenge n\u00e1trium-hidroxiddal (0,2mol\/L) hidroliz\u00e1lhat\u00f3k, \u00edgy fenolos anyagok nyerhet\u0151k, ami jelzi az \u00e9szterk\u00f6t\u00e9sekkel \u00f6sszekapcsolt fenolos anyagok lehets\u00e9ges jelenl\u00e9t\u00e9t. \u00c1ltal\u00e1ban \u00fagy v\u00e9lik, hogy a NEPC kovalens k\u00f6t\u00e9s form\u00e1j\u00e1ban l\u00e9p k\u00f6lcs\u00f6nhat\u00e1sba a makromolekul\u00e1kkal, p\u00e9ld\u00e1ul a cellul\u00f3zzal, a feh\u00e9rj\u00e9kkel \u00e9s a ligninnel, vagy ionos k\u00f6t\u00e9sek vagy fizikai k\u00f6lcs\u00f6nhat\u00e1sok r\u00e9v\u00e9n k\u00f6t\u0151dik a n\u00f6v\u00e9nyi rostokhoz vagy a sejtekbe \u00e1gyaz\u00f3dva. A goji bogy\u00f3kban l\u00e9v\u0151 NEPC poliszacharidokhoz vagy n\u00f6v\u00e9nyi szubsztr\u00e1tokhoz kapcsol\u00f3dik, \u00e9s tov\u00e1bbi meger\u0151s\u00edt\u00e9sre van sz\u00fcks\u00e9g.
\nA NEPC nem vonhat\u00f3 ki k\u00f6zvetlen\u00fcl v\u00edzzel vagy alkoholos old\u00f3szerekkel. A goji bogy\u00f3kban l\u00e9v\u0151 NEPC elemz\u00e9s\u00e9hez l\u00fagos hidrol\u00edzis vagy savas hidrol\u00edzis m\u00f3dszereket kell alkalmazni a NEPC el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz. A l\u00fag k\u00e9pes a fenolos komponensek \u00e9s az olyan anyagok, mint a cukrok, feh\u00e9rj\u00e9k, pektin, rostok stb. k\u00f6z\u00f6tti \u00e9szterk\u00f6t\u00e9seket megbontani, ez\u00e1ltal fenolokat szabad\u00edt fel \u00e9s detekt\u00e1lhat\u00f3k. A n\u00e1trium-hidroxid a leggyakrabban haszn\u00e1lt l\u00fagos hidrol\u00edzis vegy\u00fclet. A l\u00fagos hidrol\u00edzis sor\u00e1n a fenolos komponensek gyakran lebomlanak olyan k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt, mint az oxig\u00e9n, a magas h\u0151m\u00e9rs\u00e9klet \u00e9s a f\u00e9ny. Ez\u00e9rt gyakran alacsony h\u0151m\u00e9rs\u00e9kleten, f\u00e9ny hi\u00e1ny\u00e1ban, nitrog\u00e9nv\u00e9delem mellett hidroliz\u00e1lj\u00e1k \u0151ket. Ebben a tanulm\u00e1nyban az alacsony h\u0151m\u00e9rs\u00e9klet\u0171 hidrol\u00edzist szint\u00e9n nitrog\u00e9nv\u00e9delem alatt v\u00e9gezt\u00e9k, n\u00e1trium-hidroxidot haszn\u00e1lva hidrol\u00edziskataliz\u00e1tork\u00e9nt. A savas hidrol\u00edzishez \u00e1ltal\u00e1ban er\u0151s savakat, p\u00e9ld\u00e1ul s\u00f3savat haszn\u00e1lnak. A s\u00f3sav nemcsak az \u00e9szterk\u00f6t\u00e9seket, hanem a glikozidos k\u00f6t\u00e9seket is hidroliz\u00e1lni tudja, hat\u00e9konyan felszabad\u00edtva a NEPC monomerjeit vagy oligomerjeit. Ebben a vizsg\u00e1latban a l\u00fagos hidrol\u00edzissel m\u00e9rt NEPC a goji bogy\u00f3kban 0,65 \u00b1 0,05 mg\/100 g volt, m\u00edg a savas hidrol\u00edzis term\u00e9keiben 0,52 \u00b1 0,03 mg\/100 g. A kett\u0151 k\u00f6z\u00f6tti k\u00fcl\u00f6nbs\u00e9g a savas hidrol\u00edzis \u00e9s a l\u00fagos hidrol\u00edzis elt\u00e9r\u0151 mechanizmus\u00e1nak tudhat\u00f3 be. Mind az egyt\u00e9nyez\u0151s k\u00eds\u00e9rletek, mind a v\u00e1laszfel\u00fcleti k\u00eds\u00e9rletek azt mutatt\u00e1k, hogy a l\u00fagos hidrol\u00edzishez sz\u00fcks\u00e9ges optim\u00e1lis id\u0151 megegyezett a savas hidrol\u00edzishez sz\u00fcks\u00e9ges id\u0151vel. A l\u00fagos hidrol\u00edzissel el\u0151\u00e1ll\u00edtott NEPC hozama azonban magasabb volt, ami annak tudhat\u00f3 be, hogy a l\u00fagos hidrol\u00edzis jobban megszak\u00edtotta a NEPC k\u00f6t\u0151d\u00e9s\u00e9t a struktur\u00e1lis feh\u00e9rj\u00e9khez, \u00e9lelmi rostokhoz stb. A savas kezel\u00e9s felbontja a glikozidos k\u00f6t\u00e9seket \u00e9s feloldja a cukrokat. Savas k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a polifenol molekul\u00e1k hidroxilcsoportjai k\u00f6nnyen proton\u00e1l\u00f3dnak, ami a polifenol molekul\u00e1k felboml\u00e1s\u00e1t \u00e9s monomerek vagy oligomerek felszabadul\u00e1s\u00e1t okozza. A savas hidrol\u00edzis magas h\u0151m\u00e9rs\u00e9kleten egyes fenolos anyagok elveszt\u00e9s\u00e9t eredm\u00e9nyezheti; L\u00fagos k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a polifenolmolekul\u00e1k hidroxilcsoportjai k\u00f6nnyebben deproton\u00e1l\u00f3dnak, mint savas hidrol\u00edzis k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt, ami valamivel magasabb l\u00fagos hidrol\u00edzishozamot \u00e9s kisebb vesztes\u00e9geket eredm\u00e9nyez.
\nKor\u00e1bbi tanulm\u00e1nyok k\u00fcl\u00f6nbs\u00e9get tal\u00e1ltak a l\u00fagos hidrol\u00edzissel \u00e9s savas hidrol\u00edzissel nyert NEPC-ben. A liszt savas hidrol\u00edzis\u00e9nek term\u00e9keiben kimutathat\u00f3 a k\u00e1v\u00e9sav, a katechinek \u00e9s a gallusz\u00e1rmaz\u00e9kok, m\u00edg a ferulasav csak a l\u00fagos hidrol\u00edzis term\u00e9keiben l\u00e9tezik, ami arra utal, hogy a savas hidrol\u00edzisb\u0151l t\u00f6bbf\u00e9le fenolos anyagot nyerhet\u00fcnk. Ez a tanulm\u00e1ny UPLC-Q-TOF-MS-t haszn\u00e1lt a goji bogy\u00f3k NEPC hidrol\u00edzis term\u00e9keiben l\u00e9v\u0151 anyagok \u00f6sszet\u00e9tel\u00e9nek elemz\u00e9s\u00e9re. A teljes ionkromatogram (l\u00e1sd a 6. \u00e1br\u00e1t) azt mutatta, hogy a vegy\u00fcletek t\u00edpusai k\u00f6z\u00f6tt nem volt k\u00fcl\u00f6nbs\u00e9g a l\u00fagos hidrol\u00edzis \u00e9s a savas hidrol\u00edzis term\u00e9kei k\u00f6z\u00f6tt, de a savas hidrol\u00edzis term\u00e9keinek sz\u00e1ma jelent\u0151sen magasabb volt, mint a l\u00fagos hidrol\u00edzis term\u00e9keinek sz\u00e1ma. Ennek a jelens\u00e9gnek az lehet az oka, hogy er\u0151s l\u00fagos k\u00f6rnyezetben a fenolos hidroxilcsoportok k\u00f6nnyen deproton\u00e1l\u00f3dnak \u00e9s megsemmis\u00fclnek, ami miatt t\u00f6megspektrometri\u00e1val nem mutathat\u00f3k ki, m\u00edg savas k\u00f6rnyezetben a fenolos anyagok stabilabbak \u00e9s k\u00f6nnyebben kimutathat\u00f3k; M\u00e1sr\u00e9szt a l\u00fagos hidrol\u00edzis csak a fenolok \u00e9s a makromolekul\u00e1k k\u00f6z\u00f6tti \u00e9szterk\u00f6t\u00e9seket k\u00e9pes felbontani, m\u00edg a savak nemcsak az \u00e9szterk\u00f6t\u00e9seket, hanem a glikozidos k\u00f6t\u00e9seket is k\u00e9pesek hidroliz\u00e1lni, \u00edgy t\u00f6bbf\u00e9le fenolos anyagot lehet kimutatni. A term\u00e9kek szempontj\u00e1b\u00f3l a legfontosabbak a fenilpropanoid-sz\u00e1rmaz\u00e9kok. A 11 azonos\u00edtott vegy\u00fclet k\u00f6z\u00f6tt 8 fenilpropanoid, 1 kumarin, 1 fenilpropanoid-sz\u00e1rmaz\u00e9k \u00e9s 1 benzofenon tal\u00e1lhat\u00f3. A l\u00fagos hidrol\u00edzis term\u00e9kben csak n\u00e9gy vegy\u00fclet azonos\u00edthat\u00f3, a ferulasav a f\u0151 anyag; a savas hidrol\u00edzis term\u00e9kben pedig mind a 11 azonos\u00edtott vegy\u00fclet kimutathat\u00f3. \u00c9rdemes megjegyezni, hogy a 8 fenolsav k\u00f6z\u00fcl 2 vegy\u00fclet a NEPC hidrol\u00edzise sor\u00e1n a kumarin-laktongy\u0171r\u0171 felny\u00edl\u00e1s\u00e1nak term\u00e9ke lehet, nem pedig a goji bogy\u00f3ban l\u00e9v\u0151 nat\u00edv anyagok. Ez \u00f6sszef\u00fcgghet a hidrol\u00edzis sor\u00e1n haszn\u00e1lt savak magas koncentr\u00e1ci\u00f3j\u00e1val. A k\u00e9s\u0151bbi szakaszban a savak vagy b\u00e1zisok koncentr\u00e1ci\u00f3ja cs\u00f6kkenthet\u0151 a teljesebb molekulaszerkezet el\u00e9r\u00e9se \u00e9rdek\u00e9ben. Ezenk\u00edv\u00fcl a goji bogy\u00f3kban tal\u00e1lhat\u00f3 NEPC f\u0151leg fenilpropanoid sav \u00e9s kumarin komponensekb\u0151l \u00e1ll. Hogy vannak-e m\u00e1s komponensek is, az m\u00e9g a hidrol\u00edzisterm\u00e9kek tov\u00e1bbi elemz\u00e9s\u00e9t ig\u00e9nyli. A goji bogy\u00f3kban l\u00e9v\u0151 NEPC m\u00e9lyrehat\u00f3 elemz\u00e9s\u00e9nek elv\u00e9gz\u00e9se \u00e9rdek\u00e9ben a t\u00f6megspektrometri\u00e1s detekt\u00e1l\u00e1st a k\u00e9s\u0151bbi szakaszban \u00fatmutat\u00f3k\u00e9nt kell haszn\u00e1lni, \u00e9s a hidrol\u00edzis sor\u00e1n a sav\/alk\u00e1li koncentr\u00e1ci\u00f3j\u00e1t \u00fagy kell be\u00e1ll\u00edtani, hogy a goji bogy\u00f3khoz tartoz\u00f3 val\u00f3di nat\u00edv NEPC-t kapjuk.<\/p>","protected":false},"excerpt":{"rendered":"

Comparison and product analysis of alkaline hydrolysis and acid hydrolysis extraction processes for Lycium barbarum combined with polyphenols Phenolic substances are widely distributed in the plant kingdom, including flavonoids, flavonoids, anthocyanins, catechins, etc., and are one of the most abundant secondary metabolites in plants. Due to its powerful antioxidant properties and significant effects in preventing […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"\nComparison and product analysis of alkaline hydrolysis and acid hydrolysis extraction processes for Lycium barbarum combined with polyphenols - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/hu\/the-fruit-of-chinese-wolfberry\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comparison and product analysis of alkaline hydrolysis and acid hydrolysis extraction processes for Lycium barbarum combined with polyphenols - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Comparison and product analysis of alkaline hydrolysis and acid hydrolysis extraction processes for Lycium barbarum combined with polyphenols Phenolic substances are widely distributed in the plant kingdom, including flavonoids, flavonoids, anthocyanins, catechins, etc., and are one of the most abundant secondary metabolites in plants. 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