{"id":6503,"date":"2024-08-06T12:23:22","date_gmt":"2024-08-06T12:23:22","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=6503"},"modified":"2024-08-06T12:23:22","modified_gmt":"2024-08-06T12:23:22","slug":"paulownia-flowers","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/paulownia-flowers\/","title":{"rendered":"Ill\u00e9kony komponensek meghat\u00e1roz\u00e1sa k\u00fcl\u00f6nb\u00f6z\u0151 paulownia fajok vir\u00e1gaiban HS-SPME \u00e9s GC-MS kombin\u00e1lt technol\u00f3gi\u00e1val"},"content":{"rendered":"

Ill\u00e9kony komponensek meghat\u00e1roz\u00e1sa k\u00fcl\u00f6nb\u00f6z\u0151 paulownia fajok vir\u00e1gaiban HS-SPME \u00e9s GC-MS kombin\u00e1lt technol\u00f3gi\u00e1val
\nA Paulownia a Scrophulariaceae csal\u00e1dba tartoz\u00f3, a Paulownia nemzets\u00e9gbe tartoz\u00f3 n\u00f6v\u00e9nyek gy\u0171jt\u0151neve. Jelenleg 11 faj, 2 fajta \u00e9s 6 forma l\u00e9tezik, amelyek 24 tartom\u00e1nyban, telep\u00fcl\u00e9sen \u00e9s auton\u00f3m r\u00e9gi\u00f3ban vannak elterjedve. K\u00edn\u00e1b\u00f3l sz\u00e1rmaz\u00f3, fontos, gyorsan n\u00f6v\u0151 fafaj, termeszt\u00e9s\u00e9nek \u00e9s felhaszn\u00e1l\u00e1s\u00e1nak t\u00f6rt\u00e9nete igen hossz\u00fa. A f\u0151 termeszt\u00e9si m\u00f3dszerek k\u00f6z\u00e9 tartoznak a gyorsan n\u00f6v\u0151 \u00e9s nagy hozam\u00fa erd\u0151k, a mez\u0151gazdas\u00e1gi ter\u00fcleteket v\u00e9d\u0151 erd\u0151k, a minden oldalr\u00f3l t\u00f6rt\u00e9n\u0151 fa\u00fcltet\u00e9s \u00e9s a kert\u00e9p\u00edt\u00e9s. A paulownia j\u00f3l fejlett gy\u00f6k\u00e9rzet\u00e9nek, a kop\u00e1rs\u00e1ggal szembeni t\u0171r\u0151k\u00e9pess\u00e9g\u00e9nek \u00e9s er\u0151s alkalmazkod\u00f3k\u00e9pess\u00e9g\u00e9nek k\u00f6sz\u00f6nhet\u0151en k\u00e9pes a neh\u00e9zf\u00e9meket leveleiben, sz\u00e1r\u00e1ban \u00e9s gy\u00f6kereiben adszorbe\u00e1lni. Ez\u00e9rt az \u00f6kol\u00f3giai m\u00e9rn\u00f6ki ter\u00fcleteken, p\u00e9ld\u00e1ul az \u00f6kol\u00f3giai helyre\u00e1ll\u00edt\u00e1sban \u00e9s a neh\u00e9z ter\u00fcleteken t\u00f6rt\u00e9n\u0151 erd\u0151s\u00edt\u00e9sben is figyelmet kapott. A paulownia vir\u00e1gai, levelei, gy\u00fcm\u00f6lcsei, gy\u00f6kerei \u00e9s k\u00e9rge gy\u00f3gyszerk\u00e9nt is felhaszn\u00e1lhat\u00f3k, \u00e9s j\u00f3 ter\u00e1pi\u00e1s hat\u00e1s\u00faak a fels\u0151 l\u00e9g\u00fati fert\u0151z\u00e9sek, h\u00f6rghurut, mumpsz \u00e9s m\u00e1s betegs\u00e9gek eset\u00e9n. K\u00e9miai \u00f6sszet\u00e9tel\u00fck, biol\u00f3giai \u00e9s farmakol\u00f3giai tev\u00e9kenys\u00e9g\u00fck kutat\u00e1sa fokozatosan forr\u00f3 t\u00e9m\u00e1v\u00e1 v\u00e1lt. Kor\u00e1bbi kutat\u00e1sok t\u00f6bb mint 130 komponenst izol\u00e1ltak a Paulownia n\u00f6v\u00e9nyekb\u0151l, \u00e9s igazolt\u00e1k egyes vegy\u00fcletek biol\u00f3giai aktivit\u00e1s\u00e1t. K\u00f6z\u00fcl\u00fck \u00f6t vegy\u00fcletet, rutint, apigenint, luteolint, ursolsavat \u00e9s kaempferolt azonos\u00edtottak a Paulownia elongata vir\u00e1gaiban, amelyek v\u00e9rnyom\u00e1scs\u00f6kkent\u0151, \u00e9rl\u00e1gy\u00edt\u00f3 \u00e9s tumorsejt-prolifer\u00e1ci\u00f3t g\u00e1tl\u00f3 funkci\u00f3val rendelkeznek; A paulownia vir\u00e1gainak metanolos kivonata bizonyos ter\u00e1pi\u00e1s hat\u00e1st fejt ki az EV71 enterov\u00edrus \u00e1ltal okozott k\u00e9z-, l\u00e1b- \u00e9s sz\u00e1jbetegs\u00e9gre. Az etanolos kivonat er\u0151s g\u00e1tl\u00f3 hat\u00e1ssal rendelkezik az olyan gyakori \u00e9lelmiszer tart\u00f3s\u00edt\u00f3szerekkel szemben, mint az Aspergillus niger, Aspergillus oryzae \u00e9s Staphylococcus aureus. A gy\u00f3gy\u00e1szati felhaszn\u00e1l\u00e1s mellett a paulownia er\u0151s vir\u00e1gillat\u00fa \u00e9s term\u00e9szetes aromaanyagokban gazdag. Tiszta term\u00e9szetes adal\u00e9kanyagk\u00e9nt tov\u00e1bbra is felhaszn\u00e1lhat\u00f3 \u00e9lelmiszerekben, italokban \u00e9s napi vegyipari term\u00e9kekben.
\nA paulownia vir\u00e1gforr\u00e1sok haz\u00e1nkban nagyon b\u0151s\u00e9gesek. A paulownia m\u00e1s sz\u00f6veteivel \u00e9s szerveivel \u00f6sszehasonl\u00edtva k\u00f6nnyebben szedhet\u0151k, \u00e9s a betakar\u00edt\u00e1s ut\u00e1n kev\u00e9sb\u00e9 befoly\u00e1solj\u00e1k a fa t\u00e1pl\u00e1lkoz\u00e1si n\u00f6veked\u00e9s\u00e9t, \u00edgy \u00e9rt\u00e9kesebbek a kutat\u00e1s \u00e9s fejleszt\u00e9s sz\u00e1m\u00e1ra. Jelenleg a paulownia vir\u00e1gainak ill\u00e9kony \u00f6sszetev\u0151ir\u0151l vannak jelent\u00e9sek. Zhang \u00e9s munkat\u00e1rsai 67 ill\u00e9kony vegy\u00fcletet azonos\u00edtottak a Lankao Paulownia vir\u00e1g\u00e1b\u00f3l, k\u00f6zt\u00fck olefineket (41,54%), alkoholokat (23,92%) \u00e9s \u00e9sztereket (14,82%); Zheng \u00e9s munkat\u00e1rsai 58 vegy\u00fcletet azonos\u00edtottak, k\u00f6zt\u00fck anisen (25,83%), 3-oktanon (14.08%) \u00e9s a p-metil-anizol (12,06%) vegy\u00fcleteket a Paulownia tomentos\u00e1b\u00f3l; Wang \u00e9s munkat\u00e1rsai g\u0151zdesztill\u00e1ci\u00f3t alkalmaztak a paulownia vir\u00e1gainak ill\u00f3olaj\u00e1nak kivon\u00e1s\u00e1ra, \u00e9s GC-MS technol\u00f3gi\u00e1val azonos\u00edtott\u00e1k annak k\u00e9miai \u00f6sszet\u00e9tel\u00e9t. \u00d6sszesen 69 komponenst nyertek, a f\u0151 komponensek a benzil-alkohol (13,276%), az 1,2,4-trimetoxibenzol (8,342%) \u00e9s a trikoz\u00e1n (3,682%).
\nA kor\u00e1bbi kutat\u00e1sok \u00e9s k\u00eds\u00e9rleti anyagok azonban mind egyetlen paulownia fajb\u00f3l \u00e1lltak, an\u00e9lk\u00fcl, hogy a paulownia f\u0151 fajt\u00e1it \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 fajok k\u00f6z\u00f6tti k\u00fcl\u00f6nbs\u00e9gek elemz\u00e9s\u00e9t bevont\u00e1k volna. Az ill\u00e9kony komponensek kivon\u00e1si m\u00f3dszerei sem voltak k\u00f6vetkezetesek, \u00e9s a paulownia n\u00f6v\u00e9ny vir\u00e1gainak ill\u00e9kony \u00f6sszetev\u0151inek szisztematikus \u00e9rt\u00e9kel\u00e9s\u00e9re m\u00e9g nem ker\u00fclt sor. Ennek alapj\u00e1n ez a tanulm\u00e1ny \u00f6t f\u0151 paulownia-fajt v\u00e1lasztott ki, amelyeket ugyanazon a term\u0151helyen termesztettek, \u00e9s a headspace szil\u00e1rd f\u00e1zis\u00fa mikroextrakci\u00f3s technol\u00f3gi\u00e1t (HS-SPME) \u00e9s g\u00e1zkromatogr\u00e1fia-t\u00f6megspektrometria (GC-MS) kombin\u00e1lt technol\u00f3gi\u00e1t haszn\u00e1lt a paulownia vir\u00e1gainak ill\u00e9kony \u00f6sszetev\u0151inek \u00e9s relat\u00edv tartalm\u00e1nak meghat\u00e1roz\u00e1s\u00e1ra \u00e9s szisztematikus elemz\u00e9s\u00e9re, referenci\u00e1t biztos\u00edtva a k\u00fcl\u00f6nb\u00f6z\u0151 paulownia-fajok vir\u00e1gainak ill\u00e9kony \u00f6sszetev\u0151inek pontos \u00e9rt\u00e9kel\u00e9s\u00e9hez \u00e9s hat\u00e9kony felhaszn\u00e1l\u00e1s\u00e1hoz.<\/p>\n

\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"Az ill\u00e9kony anyagok kivon\u00e1s\u00e1ra szolg\u00e1l\u00f3 szil\u00e1rd f\u00e1zis\u00fa mikroextrakci\u00f3s technol\u00f3gia egyszer\u0171, gyors, hat\u00e9kony, minim\u00e1lis mintafogyaszt\u00e1ssal \u00e9s ill\u00e9konyanyag-vesztes\u00e9ggel j\u00e1r, \u00e9s nem ig\u00e9nyel old\u00f3szeres extrakci\u00f3s el\u0151kezel\u00e9st. Sz\u00e9les k\u00f6rben alkalmazz\u00e1k n\u00f6v\u00e9nyek, p\u00e9ld\u00e1ul z\u00f6lds\u00e9gek, gy\u00fcm\u00f6lcs\u00f6k \u00e9s a hagyom\u00e1nyos k\u00ednai orvosl\u00e1s eset\u00e9ben. Ebben a tanulm\u00e1nyban headspace szil\u00e1rd f\u00e1zis\u00fa mikroextrakci\u00f3t \u00e9s g\u00e1zkromatogr\u00e1fia-t\u00f6megspektrometri\u00e1t alkalmaztunk 45 ill\u00e9kony vegy\u00fclet azonos\u00edt\u00e1s\u00e1ra \u00f6t k\u00fcl\u00f6nb\u00f6z\u0151, f\u0151k\u00e9nt termel\u00e9sben \u00fcltetett paulownia vir\u00e1gb\u00f3l. Ezek k\u00f6z\u00fcl 24, 17, 27, 23 \u00e9s 19 ill\u00e9kony vegy\u00fcletet azonos\u00edtottak a feh\u00e9r vir\u00e1g\u00fa paulownia, a Lankao paulownia, a catalpa level\u0171 paulownia, a Mao paulownia \u00e9s a feh\u00e9r vir\u00e1g\u00fa paulownia term\u00e9szetes hibridjeib\u0151l. Ezenk\u00edv\u00fcl a catalpa level\u0171 paulownia \u00e9s a feh\u00e9r vir\u00e1g\u00fa paulownia term\u00e9szetes hibrid vir\u00e1gaib\u00f3l siker\u00fclt els\u0151k\u00e9nt ill\u00e9kony vegy\u00fcleteket kivonni. Ez az eredm\u00e9ny hivatkoz\u00e1si alapot ny\u00fajthat a k\u00fcl\u00f6nb\u00f6z\u0151 paulownia vir\u00e1gt\u00edpusok pontos \u00e9rt\u00e9kel\u00e9s\u00e9hez \u00e9s fejleszt\u00e9s\u00e9hez. A feh\u00e9r vir\u00e1g\u00fa paulownia term\u00e9szetes hibridje nem tartalmaz egyedi ill\u00f3anyagokat, ami a hibrid tulajdons\u00e1gaival f\u00fcgghet \u00f6ssze. Li \u00e9s munkat\u00e1rsai 8 vegy\u00fcletet vontak ki a Lanzhou-ban gy\u0171jt\u00f6tt feh\u00e9r vir\u00e1g\u00fa paulownia vir\u00e1gaib\u00f3l, amelyeknek nem voltak k\u00f6z\u00f6s \u00f6sszetev\u0151i a k\u00eds\u00e9rletben szerepl\u0151, a Fujian tartom\u00e1nybeli Sanming v\u00e1rosb\u00f3l sz\u00e1rmaz\u00f3 feh\u00e9r vir\u00e1g\u00fa paulownia vir\u00e1gaival; Zhang \u00e9s munkat\u00e1rsai h\u00e1rom k\u00fcl\u00f6nb\u00f6z\u0151 extrakci\u00f3s m\u00f3dszert alkalmaztak, hogy \u00f6sszesen 10 ill\u00e9kony vegy\u00fcletet vonjanak ki a Paulownia grandiflorum vir\u00e1gaib\u00f3l. Ezek k\u00f6z\u00fcl 2 vegy\u00fclet (1-okt\u00e9n-3-ol, p-dimetoxi-benzol) megegyezett e vizsg\u00e1lat eredm\u00e9nyeivel, \u00e9s magas tartalommal rendelkezett; Zheng \u00e9s munkat\u00e1rsai szil\u00e1rd f\u00e1zis\u00fa mikroextrakci\u00f3t \u00e9s g\u00e1zkromatogr\u00e1fia-t\u00f6megspektrometri\u00e1s technol\u00f3gi\u00e1t haszn\u00e1ltak 58 vegy\u00fclet kivon\u00e1s\u00e1ra a Paulownia f\u00e1k vir\u00e1gaib\u00f3l, amelyek 7 komponensben megegyeztek a Paulownia f\u00e1k e k\u00eds\u00e9rletben haszn\u00e1lt \u00f6sszetev\u0151ivel, k\u00f6zt\u00fck f\u0151k\u00e9nt 2 terp\u00e9n, 2 alkohol, 2 \u00e9szter \u00e9s 1 benzol. B\u00e1r a fenti vizsg\u00e1latban haszn\u00e1lt k\u00eds\u00e9rleti anyagok azonos t\u00edpus\u00fa paulowniaf\u00e1k voltak, a kivont ill\u00f3anyagok nem teljesen azonosak. Felt\u00e9telezhet\u0151, hogy ez f\u0151k\u00e9nt az elt\u00e9r\u0151 extrakci\u00f3s m\u00f3dszereknek \u00e9s k\u00eds\u00e9rleti k\u00f6r\u00fclm\u00e9nyeknek k\u00f6sz\u00f6nhet\u0151. B\u00e1r ugyanarr\u00f3l a paulownia-t\u00edpusr\u00f3l van sz\u00f3, de k\u00fcl\u00f6nb\u00f6z\u0151 fajt\u00e1khoz \u00e9s v\u00e1ltozatokhoz tartozik, \u00e9s a gy\u0171jt\u00e9s helye is elt\u00e9r\u0151.
\nA fiton, amelynek gy\u00f3gyn\u00f6v\u00e9nyes \u00e9s f\u00e1s arom\u00e1ja van, az Eucommia ulmoides lev\u00e9l t\u00e9glatea jellegzetes ill\u00e9kony \u00f6sszetev\u0151je. A terpenoid anyag, a narancsvir\u00e1g tercier alkohol, a r\u00f3zs\u00e1hoz \u00e9s az alm\u00e1hoz hasonl\u00f3 vir\u00e1gos \u00e9s fa illat\u00fa. A cinnamomum camphora \u00e9s a \u03b2 - ibolyaketon az ozmanthus fontos aromakomponensei, \u00e9s a farnesol is sz\u00e1mos arom\u00e1s n\u00f6v\u00e9ny illat\u00e1hoz j\u00e1rul hozz\u00e1. A fenti \u00f6t komponens a paulownia vir\u00e1gainak fontos aromaanyagai. Felt\u00e9telezhet\u0151, hogy az ill\u00e9kony komponensek \u00f6sszet\u00e9tel\u00e9nek \u00e9s relat\u00edv tartalm\u00e1nak k\u00fcl\u00f6nbs\u00e9gei a f\u0151 okai a paulownia vir\u00e1gainak k\u00fcl\u00f6nb\u00f6z\u0151 fajai k\u00f6z\u00f6tti aromak\u00fcl\u00f6nbs\u00e9geknek. A hagyom\u00e1nyos k\u00ednai gy\u00f3gyn\u00f6v\u00e9nyes gy\u00f3gyszerek egyikek\u00e9nt a \"Compendium of Materia Medica\" \u00e9s a \"Handbook of Chinese Herbal Medicine in Henan\" is relev\u00e1ns inform\u00e1ci\u00f3kat tartalmaz a paulownia vir\u00e1gr\u00f3l. Hat\u00e1sa a sz\u00e9l \u00e9s a h\u0151 eloszlat\u00e1sa, a m\u00e1j tiszt\u00edt\u00e1sa \u00e9s a l\u00e1t\u00e1s jav\u00edt\u00e1sa, a h\u0151tiszt\u00edt\u00e1s \u00e9s a m\u00e9regtelen\u00edt\u00e9s, a nedvess\u00e9g kisz\u00e1r\u00edt\u00e1sa \u00e9s a v\u00e9rhas meg\u00e1ll\u00edt\u00e1sa. Els\u0151sorban fels\u0151 l\u00e9g\u00fati fert\u0151z\u00e9sek, h\u00f6rghurut, akut lapos barackgyullad\u00e1s, akut k\u00f6t\u0151h\u00e1rtya-gyullad\u00e1s \u00e9s m\u00e1s betegs\u00e9gek kezel\u00e9s\u00e9re haszn\u00e1lj\u00e1k. Ezenk\u00edv\u00fcl a paulownia vir\u00e1gnak m\u00e9g antioxid\u00e1ns, \u00f6reged\u00e9sg\u00e1tl\u00f3, v\u00e9rnyom\u00e1scs\u00f6kkent\u0151, r\u00e1kellenes \u00e9s gyullad\u00e1scs\u00f6kkent\u0151 hat\u00e1sa van. A kutat\u00e1sok kimutatt\u00e1k, hogy az eugenol fenolos anyag antibakteri\u00e1lis \u00e9s v\u00e9rnyom\u00e1scs\u00f6kkent\u0151 hat\u00e1s\u00fa, \u00e9s er\u0151s bakt\u00e9rium\u00f6l\u0151 er\u0151vel rendelkezik; A terpenoid anyag, a linalool farmakol\u00f3giai hat\u00e1sai antibakteri\u00e1lis, gyullad\u00e1scs\u00f6kkent\u0151, f\u00e1jdalomcsillap\u00edt\u00f3, nyugtat\u00f3, hipnotikus \u00e9s daganatellenes hat\u00e1s\u00faak; Az antibakteri\u00e1lis \u00e9s gyullad\u00e1scs\u00f6kkent\u0151 hat\u00e1s\u00e1n k\u00edv\u00fcl a citr\u00e1l, egy aldehid anyag, amelyet gyakran haszn\u00e1lnak esszencia- \u00e9s illatanyag-adal\u00e9kanyagk\u00e9nt is. Felt\u00e9telez\u00e9sek szerint az eugenol, a linalool \u00e9s a citr\u00e1l lehetnek a paulownia vir\u00e1gainak fontos antibakteri\u00e1lis \u00e9s gyullad\u00e1scs\u00f6kkent\u0151 hat\u00e1s\u00fa \u00f6sszetev\u0151i. Az eugenol relat\u00edv tartalma a feh\u00e9r vir\u00e1g\u00fa paulownia vir\u00e1gokban a legmagasabb, ami \u00f6sszhangban van Chu \u00e9s munkat\u00e1rsai meggy\u0151z\u0151d\u00e9s\u00e9vel, miszerint az eugenol meleg k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt jobban felhalmoz\u00f3dik, a linalool pedig egyed\u00fcl\u00e1ll\u00f3 anyag a feh\u00e9r vir\u00e1g\u00fa paulownia vir\u00e1gokban. Ez\u00e9rt felt\u00e9telezhet\u0151, hogy a feh\u00e9r vir\u00e1g\u00fa paulownia vir\u00e1gainak antibakteri\u00e1lis \u00e9s gyullad\u00e1scs\u00f6kkent\u0151 hat\u00e1sa jelent\u0151sebb lehet. A fenolos anyag 2,6-di-terc-butil-p-krezol (m\u00e1s n\u00e9ven BHT) fontos antioxid\u00e1ns, amely k\u00fcl\u00f6nb\u00f6z\u0151 \u00e9lelmiszerekben, valamint szintetikus gumi, polipropil\u00e9nsz\u00e1lak stb. stabiliz\u00e1torak\u00e9nt haszn\u00e1lhat\u00f3. Az 1-okt\u00e9n-3-ol, egy alkoholos anyag, amelyet gyakran haszn\u00e1lnak illatanyag-adal\u00e9kanyagk\u00e9nt \u00e9s sz\u00fanyogcsalogat\u00f3k\u00e9nt, \u00e9s jelent\u0151s m\u00e9rgez\u0151 \u00e9s k\u00e1ros\u00edt\u00f3 hat\u00e1ssal van az \u00e1llati idegrendszerre. B\u00e1r a paulownia vir\u00e1gait r\u00e9g\u00f3ta haszn\u00e1lj\u00e1k gy\u00f3gy\u00e1szati c\u00e9lokra, \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa paulownia vir\u00e1gokb\u00f3l k\u00fcl\u00f6nb\u00f6z\u0151 ill\u00e9kony komponenseket vontak ki, a k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa paulownia vir\u00e1gok k\u00e9miai \u00f6sszet\u00e9tele \u00e9s relat\u00edv tartalma elt\u00e9r\u0151, \u00e9s nincs rendszeres jelent\u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa paulownia vir\u00e1gok farmakol\u00f3giai hat\u00e1sair\u00f3l \u00e9s a k\u00e9miai komponensekkel val\u00f3 \u00f6sszef\u00fcgg\u00e9s\u00fckr\u0151l, ami tov\u00e1bbi m\u00e9lyrehat\u00f3 felt\u00e1r\u00e1st ig\u00e9nyel.<\/p>","protected":false},"excerpt":{"rendered":"

Determination of volatile components in different species of paulownia flowers using HS-SPME and GC-MS combined technology Paulownia is a collective term for plants in the Scrophulariaceae family, belonging to the Paulownia genus. There are currently 11 species, 2 varieties, and 6 forms, naturally distributed in 24 provinces, municipalities, and autonomous regions. As an important fast-growing […]<\/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":"\nDetermination of volatile components in different species of paulownia flowers using HS-SPME and GC-MS combined technology - 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\/paulownia-flowers\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Determination of volatile components in different species of paulownia flowers using HS-SPME and GC-MS combined technology - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Determination of volatile components in different species of paulownia flowers using HS-SPME and GC-MS combined technology Paulownia is a collective term for plants in the Scrophulariaceae family, belonging to the Paulownia genus. 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