{"id":9280,"date":"2024-08-23T09:06:17","date_gmt":"2024-08-23T09:06:17","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9280"},"modified":"2024-08-23T09:06:17","modified_gmt":"2024-08-23T09:06:17","slug":"what-are-the-applications-of-chitosan-in-foodchitooligosaccharide","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/mik-a-kitozan-alkalmazasai-az-elelmiszerekbenchitooligosaccharide\/","title":{"rendered":"Milyen felhaszn\u00e1l\u00e1si ter\u00fcletei vannak a kitoz\u00e1nnak az \u00e9lelmiszerekben?"},"content":{"rendered":"<p><strong>Nemzeti bejelent\u00e9s<\/strong><\/p>\n<p>2014. \u00e1prilis 16-\u00e1n a Nemzeti Eg\u00e9szs\u00e9g\u00fcgyi \u00e9s Csal\u00e1dtervez\u00e9si Bizotts\u00e1g (NHFPC) kiadta a 6 \u00faj \u00e9lelmiszer-\u00f6sszetev\u0151, k\u00f6zt\u00fck a kitoz\u00e1n j\u00f3v\u00e1hagy\u00e1s\u00e1r\u00f3l sz\u00f3l\u00f3 k\u00f6zlem\u00e9nyt (2014. \u00e9vi 6. sz.), amely hivatalosan j\u00f3v\u00e1hagyta a kitoz\u00e1nt, a szilimarin magolajat, a f\u0171zfalev\u00e9l viaszszilv\u00e1t, az Eucommia androgynus-t, a tejsav-schizococcust \u00e9s a pentoz\u00e1n-schizococcust mint \u00faj \u00e9lelmiszer-\u00f6sszetev\u0151ket.<\/p>\n<p>A kitoz\u00e1n f\u0151 \u00f6sszetev\u0151i, alapvet\u0151 inform\u00e1ci\u00f3k, gy\u00e1rt\u00e1si folyamat, adagol\u00e1si m\u00e9ret, min\u0151s\u00e9gi k\u00f6vetelm\u00e9nyek \u00e9s egy\u00e9b le\u00edr\u00e1sok az al\u00e1bbiakban tal\u00e1lhat\u00f3k:<\/p>\n<p><strong>A kitoz\u00e1n alkalmaz\u00e1sa<\/strong><\/p>\n<p>A kitoz\u00e1n az elm\u00falt \u00e9vtizedekben sz\u00e9les k\u00f6r\u0171 figyelmet kapott az orvosbiol\u00f3giai, \u00e9lelmiszer- \u00e9s vegyiparban val\u00f3 alkalmaz\u00e1sa miatt. A kitoz\u00e1n azonban csak savas oldatban old\u00f3dik, ami korl\u00e1tozza biol\u00f3giai aktivit\u00e1s\u00e1nak j\u00e1t\u00e9k\u00e1t. Boml\u00e1sterm\u00e9ke, a chitooligoszacharid, felfedez\u00e9se \u00f3ta a kutat\u00f3k forr\u00f3 kutat\u00e1si t\u00e9m\u00e1ja, \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 orsz\u00e1gokban m\u00e9g a cukortechnika kulcsfontoss\u00e1g\u00fa kutat\u00e1si projektjek\u00e9nt is szerepel.<\/p>\n<p>A kitoz\u00e1n az egyetlen pozit\u00edv t\u00f6lt\u00e9s\u0171, l\u00fagos, v\u00edzben old\u00f3d\u00f3, a term\u00e9szetben tal\u00e1lhat\u00f3, kiv\u00e1l\u00f3 biol\u00f3giai aktivit\u00e1ssal rendelkez\u0151 poliszacharid, amely kitinb\u0151l \u00e9s kitoz\u00e1nb\u00f3l \u00e1ll\u00edthat\u00f3 el\u0151, \u00e9s a hatodik \u00e9letelemnek tekintik. Meg\u00e1llap\u00edtott\u00e1k, hogy a kitoz\u00e1n j\u00f3 antibakteri\u00e1lis \u00e9s antioxid\u00e1ns tulajdons\u00e1gokkal rendelkezik, ami ide\u00e1lis tart\u00f3s\u00edt\u00f3szerr\u00e9 teszi a gy\u00fcm\u00f6lcs\u00f6k \u00e9s z\u00f6lds\u00e9gek sz\u00e1m\u00e1ra;<\/p>\n<p>A kitoz\u00e1n hat\u00e1s\u00e1ra jav\u00edtja az immunit\u00e1st, g\u00e1tolja a r\u00e1kos sejtek n\u00f6veked\u00e9s\u00e9t, el\u0151seg\u00edti az \u00e1sv\u00e1nyi anyagok felsz\u00edv\u00f3d\u00e1s\u00e1t, az emberi test j\u00f3t\u00e9kony bakt\u00e9riumfl\u00f3r\u00e1j\u00e1nak egy r\u00e9sz\u00e9t, \u00e9s megakad\u00e1lyozza a h\u00e1rom magass\u00e1got, \u00e9s ez a legkelend\u0151bb eg\u00e9szs\u00e9g\u00fcgyi funkcion\u00e1lis \u00e9lelmiszer Jap\u00e1nban, az Egyes\u00fclt \u00c1llamokban, D\u00e9l-Kore\u00e1ban stb.; a kitoz\u00e1n, mint oligoszacharid, \u00e9lelmiszer-\u00f6sszetev\u0151k\u00e9nt is haszn\u00e1lhat\u00f3, hogy hozz\u00e1adja az \u00e9lelmiszerhez az \u00edz jav\u00edt\u00e1s\u00e1ra \u00e9s \u00edgy tov\u00e1bb.<\/p>\n<p><strong>A gy\u00fcm\u00f6lcs\u00f6k \u00e9s z\u00f6lds\u00e9gek frissess\u00e9g\u00e9nek meg\u0151rz\u00e9se<\/strong><\/p>\n<p>A mikrobi\u00e1lis n\u00f6veked\u00e9s \u00e9s az oxidat\u00edv roml\u00e1s a f\u0151 t\u00e9nyez\u0151k, amelyek befoly\u00e1solj\u00e1k az \u00e9lelmiszerek eltarthat\u00f3s\u00e1gi idej\u00e9t, az \u00e9lelmiszer tart\u00f3s\u00edt\u00e1si technol\u00f3gia bizonyos \u00e1tt\u00f6r\u00e9st \u00e9rt el a k\u00e9miai tart\u00f3s\u00edt\u00f3szerek szerep\u00e9ben, azonban a fogyaszt\u00f3i kereslet n\u00f6veked\u00e9s\u00e9vel a fogyaszt\u00f3k olyan \u00e9lelmiszereket prefer\u00e1lnak, amelyek nem tartalmaznak k\u00e9miai tart\u00f3s\u00edt\u00f3szereket, ez\u00e9rt a term\u00e9szetes tart\u00f3s\u00edt\u00f3szerek felkeltett\u00e9k a figyelmet.<\/p>\n<p>A kitoz\u00e1n m\u00e1sodlagos szerkezete h\u00e1l\u00f3szer\u0171, amely hat\u00e9konyan z\u00e1rhatja a v\u00edzmolekul\u00e1kat, \u00e9s a molekula pol\u00e1ris csoportjai k\u00f6lcs\u00f6nhat\u00e1sokat k\u00e9pezhetnek a v\u00edzmolekul\u00e1kkal, befoly\u00e1solva a v\u00edz aktivit\u00e1s\u00e1t \u00e9s az \u00e1raml\u00e1si ellen\u00e1ll\u00e1st, \u00edgy a kitoz\u00e1n j\u00f3 higroszk\u00f3poss\u00e1ggal \u00e9s nedvess\u00e9gmegtart\u00e1ssal rendelkezik, \u00e9s az antibakteri\u00e1lis hat\u00e1s figyelemre m\u00e9lt\u00f3, antioxid\u00e1ns kiemelked\u0151, \u00e9s mindkett\u0151 g\u00e1tolja a l\u00e9gz\u00e9st, jav\u00edtja a gy\u00fcm\u00f6lcs\u00f6k \u00e9s z\u00f6lds\u00e9gek v\u00e9delmi mechanizmus\u00e1t, ez egy kiv\u00e1l\u00f3 teljes\u00edtm\u00e9ny\u0171 term\u00e9szetes \u00e9lelmiszer tart\u00f3s\u00edt\u00f3szer tart\u00f3s\u00edt\u00f3szer.<\/p>\n<p>Deng Lili \u00e9s munkat\u00e1rsai meg\u00e1llap\u00edtott\u00e1k, hogy a citrusf\u00e9l\u00e9k 1,5% koncentr\u00e1ci\u00f3j\u00fa kitoz\u00e1nnal t\u00f6rt\u00e9n\u0151 kezel\u00e9s\u00e9t k\u00f6vet\u0151en a citrusf\u00e9l\u00e9k min\u0151s\u00e9ge a t\u00e1rol\u00e1si id\u0151szak alatt hat\u00e9konyan meg\u0151rizhet\u0151, \u00e9s a megbeteged\u00e9si ar\u00e1ny cs\u00f6kkent. Yao Pingjia et al. szintetiz\u00e1lt egy kitoz\u00e1n alap\u00fa polimert, \u00e9s a vizsg\u00e1lati eredm\u00e9nyek azt mutatt\u00e1k, hogy e polimer 1% \u00e9s 2% oldatai j\u00f3 frissess\u00e9gmeg\u0151rz\u0151 hat\u00e1ssal voltak a mang\u00f3ra, \u00e9s a mang\u00f3 titr\u00e1lhat\u00f3 savtartalma, oldhat\u00f3 sz\u00e1razanyagtartalma, V \u00e9rt\u00e9ke, s\u00falyveszt\u00e9si ar\u00e1nya \u00e9s a j\u00f3 gy\u00fcm\u00f6lcs ar\u00e1nya jobb volt, mint a kezeletlen mang\u00f3\u00e9 17d t\u00e1rol\u00e1s ut\u00e1n.<\/p>\n<p>Chen Yizhao et al. meg\u00e1llap\u00edtotta, hogy a 2% kitoz\u00e1nnal bevont film hat\u00e9konyan g\u00e1tolja a PPO enzim aktivit\u00e1s\u00e1t, lass\u00edtja az \u0151szibarack barnul\u00e1s\u00e1t, a filmk\u00e9pz\u0151 kitoz\u00e1n hi\u00e1nyoss\u00e1gainak enyh\u00edt\u00e9se \u00e9rdek\u00e9ben a megfelel\u0151 ar\u00e1ny\u00fa PVP-t lehet hozz\u00e1adni a film meg\u0151rz\u00e9s\u00e9nek j\u00f3 hat\u00e1s\u00e1hoz.<\/p>\n<p><strong>Funkcion\u00e1lis \u00e9lelmiszer<\/strong><\/p>\n<p>Mivel a kitoz\u00e1n sz\u00e1mos egyed\u00fcl\u00e1ll\u00f3 \u00e9lettani funkci\u00f3val rendelkezik, biztons\u00e1gos \u00e9s nem m\u00e9rgez\u0151, semleges k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt old\u00f3dik, funkcion\u00e1lis \u00e9lelmiszerk\u00e9nt haszn\u00e1lhat\u00f3. \u00c1ltal\u00e1noss\u00e1gban elmondhat\u00f3, hogy a prebiotikumok oligoszacharidok, \u00edgy a kitoz\u00e1n is lehet funkcion\u00e1lis \u00e9lelmiszerekben haszn\u00e1lt prebiotikum.<\/p>\n<p>Vizsg\u00e1latok kimutatt\u00e1k, hogy a DP2-8 teljesen deacetilezett kitoz\u00e1n el\u0151seg\u00edti a bifidobakt\u00e9riumok \u00e9s a laktobacillusok n\u00f6veked\u00e9s\u00e9t. A kitoz\u00e1n mikrokapszul\u00e1z\u00e1sa tejbe be\u00e9p\u00edthet\u0151 a kereskedelmi forgalomban kaphat\u00f3 eg\u00e9szs\u00e9ges tejterm\u00e9kekbe, \u00e9s a be\u00e9p\u00edt\u00e9s nem befoly\u00e1solja a term\u00e9k fizikai \u00e9s \u00e9rz\u00e9kszervi tulajdons\u00e1gait; azonban tov\u00e1bbi vizsg\u00e1latokra van sz\u00fcks\u00e9g a koleszterinszint-cs\u00f6kkent\u0151 tej fizikai \u00e9s \u00e9rz\u00e9kszervi tulajdons\u00e1gainak tov\u00e1bbi jav\u00edt\u00e1sa \u00e9s m\u00e1s hasonl\u00f3 koleszterinszint-cs\u00f6kkent\u0151 term\u00e9kek kifejleszt\u00e9se \u00e9rdek\u00e9ben.<\/p>\n<p>Sz\u00e1mos tanulm\u00e1ny kimutatta, hogy a chitooligoszacharidok k\u00e9pesek g\u00e1tolni a tumor n\u00f6veked\u00e9s\u00e9t az\u00e1ltal, hogy apopt\u00f3zist induk\u00e1lnak \u00e9s stimul\u00e1lj\u00e1k az immunrendszer aktivit\u00e1s\u00e1t \u00e1llatk\u00eds\u00e9rletekben, \u00e9s azt javasolt\u00e1k, hogy a chitooligoszacharidokat tumorellenes \u00e9lelmiszerekben haszn\u00e1lj\u00e1k.<\/p>\n<p>\u00c1llatk\u00eds\u00e9rletekben a kutat\u00f3k a combcsont szil\u00e1rds\u00e1g\u00e1t \u00e9s a sz\u00e9klet kalciumtartalm\u00e1t vizsg\u00e1lva meg\u00e1llap\u00edtott\u00e1k, hogy a kitoz\u00e1n, a DP3-7 n\u00f6velheti a kalcium felsz\u00edv\u00f3d\u00e1s\u00e1t \u00e9s cs\u00f6kkentheti a csontritkul\u00e1st egerekben, \u00e9s azt is meg\u00e1llap\u00edtott\u00e1k, hogy a kitoz\u00e1n semleges k\u00f6rnyezetben in vitro g\u00e1tolja az oldhatatlan kalciums\u00f3k k\u00e9pz\u0151d\u00e9s\u00e9t.<\/p>\n<p>A kitoz\u00e1n k\u00e9pes komplexeket k\u00e9pezni a zs\u00edrsavakkal \u00e9s trigliceridekkel, amelyek ki\u00fcr\u00fclhetnek a szervezetb\u0151l, \u00e9s cs\u00f6kkenthetik a szervezet \u00e1ltal felvett kal\u00f3ri\u00e1k mennyis\u00e9g\u00e9t a fogy\u00f3k\u00fara c\u00e9lj\u00e1nak el\u00e9r\u00e9se \u00e9rdek\u00e9ben, \u00edgy a kitoz\u00e1n alkalmazhat\u00f3 a fogy\u00f3k\u00far\u00e1s \u00e9s fogy\u00f3k\u00far\u00e1s, m\u00e9regtelen\u00edt\u0151 \u00e9s immunmodul\u00e1ci\u00f3s funkcion\u00e1lis italokban.<\/p>\n<p>Cho \u00e9s munkat\u00e1rsai meg\u00e1llap\u00edtott\u00e1k, hogy a kitoz\u00e1n k\u00e9pes serkenteni a mitokondriumok aktivit\u00e1s\u00e1t a f\u00e1radts\u00e1g cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben, amit v\u00e1rhat\u00f3an a f\u00e1radts\u00e1g elleni \u00e9lelmiszerekben fognak felhaszn\u00e1lni. Zhao Yuqing et al. \u00e9rt\u00e9kelte a kitoz\u00e1n funkcion\u00e1lis \u00e9lelmiszer biztons\u00e1goss\u00e1g\u00e1t, \u00e9s bebizony\u00edtotta, hogy a kitoz\u00e1n funkcion\u00e1lis \u00e9lelmiszer biztons\u00e1gos \u00e9s nem m\u00e9rgez\u0151.<\/p>\n<p><strong>\u00c9lelmiszer-\u00f6sszetev\u0151k<\/strong><\/p>\n<p>Az Egyes\u00fclt Kir\u00e1lys\u00e1g \u00e9s az Egyes\u00fclt \u00c1llamok teljes k\u00f6r\u0171 tudom\u00e1nyos kutat\u00e1st v\u00e9gzett a kitoz\u00e1nnal kapcsolatban, Jap\u00e1nban pedig az oligoszacharidokat az egyetlen olyan eg\u00e9szs\u00e9g\u00fcgyi \u00e9lelmiszerk\u00e9nt jellemzik, amelyet a klinikai gyakorlat ut\u00e1n hat\u00e1sosnak lehet hirdetni \u00e9s k\u00f6telez\u0151en \u00e9lelmiszer-adal\u00e9kanyagk\u00e9nt lehet haszn\u00e1lni.2014-ben a k\u00ednai Eg\u00e9szs\u00e9g\u00fcgyi \u00e9s J\u00f3l\u00e9ti Bizotts\u00e1g hivatala a kito-oligoszacharidokat \u00faj \u00e9lelmiszer-\u00f6sszetev\u0151k\u00e9nt k\u00edv\u00e1nja j\u00f3v\u00e1hagyni.<\/p>\n<p>A kitoz\u00e1n nyilv\u00e1nval\u00f3 antibakteri\u00e1lis hat\u00e9konys\u00e1ggal rendelkezik, \u00e9s term\u00e9szetes tart\u00f3s\u00edt\u00f3szerk\u00e9nt felhaszn\u00e1lhat\u00f3 a k\u00e9miai tart\u00f3s\u00edt\u00f3szerek, p\u00e9ld\u00e1ul a n\u00e1trium-benzo\u00e1t helyettes\u00edt\u00e9s\u00e9re olyan \u00e9lelmiszeripari term\u00e9kekben, mint a f\u0171szerek. Amikor 0,24% vagy 0,48% oligoszacharidok kever\u00e9k\u00e9t adt\u00e1k a nyers tejhez, \u00e9s 12 napig 4 \u2103-on t\u00e1rolt\u00e1k, a termofil \u00e9s kriofil bakt\u00e9riumok sz\u00e1ma legal\u00e1bb 3 nagys\u00e1grenddel cs\u00f6kkent, a pH v\u00e1ltoz\u00e1sa nagyon kicsi volt, \u00e9s a nyers tej eltarthat\u00f3s\u00e1gi ideje 4 \u2103-os k\u00f6rnyezetben legal\u00e1bb 4 nappal meghosszabbodott.<\/p>\n<p>Meg\u00e1llap\u00edtott\u00e1k, hogy a chitooligoszacharidok \u00e9s a lizozim kombin\u00e1ci\u00f3ja szinergista hat\u00e1st fejtett ki, \u00e9s hat\u00e9konyabb volt a Gram-negat\u00edv bakt\u00e9riumokkal szemben, \u00e9s ennek a kever\u00e9knek a h\u00fast\u00e1rol\u00e1sban val\u00f3 alkalmaz\u00e1sa teljesen elt\u00e1vol\u00edtotta az Escherichia coli, a Pseudomonas fluorescens \u00e9s a Bacillus cereus bakt\u00e9riumokat, \u00e9s meghosszabb\u00edtotta a dar\u00e1lt h\u00fas eltarthat\u00f3s\u00e1gi idej\u00e9t ak\u00e1r 15 nappal h\u0171t\u00f6tt k\u00f6rnyezetben.<\/p>\n<p>A chitooligoszacharidok hozz\u00e1ad\u00e1sa a tofuhoz nem volt hat\u00e1ssal a tofu fizikai-k\u00e9miai tulajdons\u00e1gaira, mint p\u00e9ld\u00e1ul a nedvess\u00e9gtartalom, a hozam, a sz\u00edn \u00e9s a zavaross\u00e1g, azonban a tofu kisebb kem\u00e9nys\u00e9get \u00e9s kisebb feh\u00e9rjeaggreg\u00e1tumokat kapott, \u00e9s a chitooligoszacharidok nem befoly\u00e1solt\u00e1k a tofu egy\u00e9b \u00e9rz\u00e9kszervi tulajdons\u00e1gait, kiv\u00e9ve egy kis keser\u0171s\u00e9get.<\/p>\n<p>A chitooligoszacharidok hozz\u00e1ad\u00e1sa a hagyom\u00e1nyos savany\u00fas\u00e1g p\u00e1col\u00e1s\u00e1hoz jobb k\u00f3libakt\u00e9rium-g\u00e1tl\u00e1st \u00e9s \u00e9rz\u00e9kszervi f\u00f6l\u00e9nyt biztos\u00edtott a hagyom\u00e1nyos savany\u00edt\u00e1si m\u00f3dszerekkel el\u0151\u00e1ll\u00edtott savany\u00fa k\u00e1poszt\u00e1hoz k\u00e9pest. A kitoz\u00e1n \u00e9lelmiszer-adal\u00e9kanyagk\u00e9nt haszn\u00e1lhat\u00f3 az \u00e9lelmiszerek szerkezet\u00e9nek \u00e9s text\u00far\u00e1j\u00e1nak jav\u00edt\u00e1s\u00e1ra, valamint az \u00e9lelmiszerek v\u00edzmegtart\u00f3 tulajdons\u00e1g\u00e1nak jav\u00edt\u00e1s\u00e1ra. Az \u00e1llatok takarm\u00e1nyoz\u00e1sakor a kitoz\u00e1n el\u0151seg\u00edtheti az \u00e1llatok n\u00f6veked\u00e9s\u00e9t, jav\u00edthatja az \u00e1llatok b\u00e9lrendszer\u00e9nek eg\u00e9szs\u00e9g\u00e9t, cs\u00f6kkentheti az \u00e1llatbetegs\u00e9gek sz\u00e1m\u00e1t, \u00e9s tov\u00e1bb jav\u00edthatja a h\u00fasb\u00f3l sz\u00e1rmaz\u00f3 \u00e9lelmiszerek min\u0151s\u00e9g\u00e9t.<\/p>","protected":false},"excerpt":{"rendered":"<p>National Announcement On April 16, 2014, the National Health and Family Planning Commission (NHFPC) issued the Announcement on the Approval of 6 New Food Ingredients, including Chitosan (No.6 of 2014), officially approving Chitosan, Silymarin Seed Oil, Willow Leaf Wax Plum, Eucommia androgynus, Lactic Acid Schizococcus, and Pentosan Schizococcus as new food ingredients. The main components, [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the applications of chitosan in food? - 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\/mik-a-kitozan-alkalmazasai-az-elelmiszerekbenchitooligosaccharide\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the applications of chitosan in food? - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"National Announcement On April 16, 2014, the National Health and Family Planning Commission (NHFPC) issued the Announcement on the Approval of 6 New Food Ingredients, including Chitosan (No.6 of 2014), officially approving Chitosan, Silymarin Seed Oil, Willow Leaf Wax Plum, Eucommia androgynus, Lactic Acid Schizococcus, and Pentosan Schizococcus as new food ingredients. 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