{"id":3445,"date":"2024-07-11T07:57:11","date_gmt":"2024-07-11T07:57:11","guid":{"rendered":"https:\/\/pharm.sinocurechem.com\/?p=3445"},"modified":"2024-07-11T07:57:11","modified_gmt":"2024-07-11T07:57:11","slug":"pectin-chemical-structure-natural-sources-industrial-production-and-applications","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/pektin-kemiai-szerkezete-termeszetes-forrasok-ipari-termeles-es-alkalmazasok\/","title":{"rendered":"Pektin: K\u00e9miai szerkezet, term\u00e9szetes forr\u00e1sok, ipari termel\u00e9s \u00e9s alkalmaz\u00e1sok"},"content":{"rendered":"

\n

1.\u00a0<\/span>K\u00e9miai szerkezet \u00e9s tulajdons\u00e1gok<\/span><\/b><\/b><\/p>\n

A pektin egy \u00f6sszetett heteropoliszacharid, amelynek szerkezeti \u00f6sszet\u00e9tele a forr\u00e1st\u00f3l \u00e9s az extrakci\u00f3s m\u00f3dszert\u0151l f\u00fcgg\u0151en v\u00e1ltozik.<\/span><\/p>\n

1)\u00a0<\/span>Els\u0151dleges strukt\u00fara<\/span><\/b><\/b><\/p>\n

F\u0151 l\u00e1nc: Line\u00e1ris gerinc \u03b1-(1\u21924)-k\u00f6t\u00f6tt D-galakturonsav egys\u00e9gekb\u0151l.<\/span><\/p>\n

Az \u00e9szteres\u00edt\u00e9si fok (DE): A metanollal \u00e9szterezett karboxilcsoportok sz\u00e1zal\u00e9kos ar\u00e1nya<\/span><\/p>\n

Magas metoxil (HM) pektin: DE > 50%<\/span><\/p>\n

Alacsony metoxil (LM) pektin: DE < 50%<\/span><\/p>\n

Acetil\u00e1lts\u00e1gi fok (DA): Az O-2 vagy O-3 helyen acetilezett galakturonsav-marad\u00e9kok ar\u00e1nya.<\/span><\/p>\n

2)\u00a0<\/span>Struktur\u00e1lis r\u00e9gi\u00f3k<\/span><\/b><\/b><\/p>\n

Homogalakturon\u00e1n (HG): \"Sima\" r\u00e9gi\u00f3k el nem \u00e1gaz\u00f3 galakturonsav-maradv\u00e1nyokb\u00f3l.<\/span><\/p>\n

Rhamnogalakturon\u00e1n I (RG-I): \"Sz\u0151r\u00f6s\" r\u00e9gi\u00f3k, amelyek gerinc\u00e9t v\u00e1ltakoz\u00f3 ramn\u00f3z \u00e9s galakturonsav alkotja, semleges cukor oldall\u00e1ncokkal.<\/span><\/p>\n

Rhamnogalakturon\u00e1n II (RG-II): Komplex, er\u0151sen konzerv\u00e1lt szerkezet egyedi cukormaradv\u00e1nyokkal<\/span><\/p>\n

3)\u00a0<\/span>Molekulat\u00f6meg<\/span><\/b><\/b><\/p>\n

Jellemz\u0151en 50 000 \u00e9s 150 000 Da k\u00f6z\u00f6tt mozog.<\/span><\/p>\n

Befoly\u00e1solja a forr\u00e1s, a kivon\u00e1si m\u00f3dszer \u00e9s a feldolgoz\u00e1si k\u00f6r\u00fclm\u00e9nyek.<\/span><\/p>\n

4)\u00a0<\/span>Fizikai tulajdons\u00e1gok<\/span><\/b><\/b><\/p>\n

Oldhat\u00f3s\u00e1g: Kolloid\u00e1lis oldatokat k\u00e9pezve \u00e1ltal\u00e1ban v\u00edzben old\u00f3dik.<\/span><\/p>\n

Viszkozit\u00e1s: DE, pH \u00e9s h\u0151m\u00e9rs\u00e9klet f\u00fcggv\u00e9nye.<\/span><\/p>\n

Higroszk\u00f3poss\u00e1g: Hajlamos a leveg\u0151b\u0151l nedvess\u00e9get felvenni<\/span><\/p>\n

5)\u00a0<\/span>K\u00e9miai tulajdons\u00e1gok<\/span><\/b><\/b><\/p>\n

pH-stabilit\u00e1s: A boml\u00e1s sz\u00e9ls\u0151s\u00e9ges pH-\u00e9rt\u00e9kekn\u00e9l k\u00f6vetkezik be.<\/span><\/p>\n

H\u0151stabilit\u00e1s: Depolimeriz\u00e1ci\u00f3 magas h\u0151m\u00e9rs\u00e9kleten, k\u00fcl\u00f6n\u00f6sen savas k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt k\u00f6vetkezik be.<\/span><\/p>\n

Ionk\u00f6t\u00e9s: Komplexeket k\u00e9pez k\u00e9t\u00e9rt\u00e9k\u0171 kationokkal, k\u00fcl\u00f6n\u00f6sen kalciummal.<\/span><\/p>\n

6)\u00a0<\/span>Zsel\u00e9sed\u00e9si mechanizmusok<\/span><\/b><\/b><\/p>\n

Magas metoxil pektin:<\/span><\/p>\n

Magas cukorkoncentr\u00e1ci\u00f3t (>55%) \u00e9s alacsony pH-t (<3,5) ig\u00e9nyel.<\/span><\/p>\n

G\u00e9lk\u00e9pz\u0151d\u00e9s hidrof\u00f3b k\u00f6lcs\u00f6nhat\u00e1sok \u00e9s hidrog\u00e9nk\u00f6t\u00e9s r\u00e9v\u00e9n<\/span><\/p>\n

Alacsony metoxil pektin:<\/span><\/p>\n

G\u00e9lek k\u00e9t\u00e9rt\u00e9k\u0171 kationok (\u00e1ltal\u00e1ban Ca2+) jelenl\u00e9t\u00e9ben<\/span><\/p>\n

\"Toj\u00e1sdoboz\" szerkezeteket k\u00e9pez ionos t\u00e9rh\u00e1l\u00f3s\u00edt\u00e1ssal<\/span><\/p>\n

7)\u00a0<\/span>Funkcion\u00e1lis tulajdons\u00e1gok<\/span><\/b><\/b><\/p>\n

S\u0171r\u00edt\u00e9s: N\u00f6veli a vizes oldatok viszkozit\u00e1s\u00e1t.<\/span><\/p>\n

Stabiliz\u00e1l\u00e1s: Megakad\u00e1lyozza az emulzi\u00f3k \u00e9s szuszpenzi\u00f3k sz\u00e9tv\u00e1l\u00e1s\u00e1t.<\/span><\/p>\n

Zsel\u00e9s\u00edt\u00e9s: Meghat\u00e1rozott k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt g\u00e9lt k\u00e9pez<\/span><\/p>\n

Filmk\u00e9pz\u00e9s: Ehet\u0151 bevonatok \u00e9s filmek k\u00e9sz\u00edt\u00e9se<\/span><\/p>\n

8)\u00a0<\/span>K\u00f6lcs\u00f6nhat\u00e1sok m\u00e1s vegy\u00fcletekkel<\/span><\/b><\/b><\/p>\n

Feh\u00e9rj\u00e9k: Elektrosztatikus komplexeket k\u00e9pez, amelyek befoly\u00e1solj\u00e1k az \u00e9lelmiszerrendszerek text\u00far\u00e1j\u00e1t.<\/span><\/p>\n

Polifenolok: Hidrog\u00e9nk\u00f6t\u00e9sen \u00e9s hidrof\u00f3b t\u00e1rsul\u00e1sokon kereszt\u00fcl l\u00e9pnek k\u00f6lcs\u00f6nhat\u00e1sba egym\u00e1ssal.<\/span><\/p>\n

Cellul\u00f3z: A n\u00f6v\u00e9nyi sejtfalak reol\u00f3giai tulajdons\u00e1gaira gyakorolt szinergikus hat\u00e1sok<\/span><\/p>\n

Ez a kib\u0151v\u00edtett r\u00e9sz r\u00e9szletesebb \u00e9s speci\u00e1lisabb \u00e1ttekint\u00e9st ny\u00fajt a pektin k\u00e9miai szerkezet\u00e9r\u0151l \u00e9s tulajdons\u00e1gair\u00f3l. Van olyan konkr\u00e9t szempont, amit szeretne, hogy r\u00e9szletesebben kifejtsek?<\/span><\/p>\n

2.\u00a0<\/span>Term\u00e9szetes forr\u00e1sok<\/span><\/b><\/b><\/p>\n

A pektin minden\u00fctt jelen van a sz\u00e1razf\u00f6ldi n\u00f6v\u00e9nyekben, els\u0151sorban a k\u00f6z\u00e9ps\u0151 lamell\u00e1kban \u00e9s az els\u0151dleges sejtfalakban. Tartalma \u00e9s szerkezete jelent\u0151sen elt\u00e9r a n\u00f6v\u00e9nyfajok, sz\u00f6vetek \u00e9s fejl\u0151d\u00e9si szakaszok k\u00f6z\u00f6tt.<\/span><\/p>\n

1)\u00a0<\/span>Els\u0151dleges kereskedelmi forr\u00e1sok<\/span><\/b><\/b><\/p>\n

Citrusf\u00e9l\u00e9k:<\/span><\/p>\n

Citrom (Citrus limon): 2,5-4,0% pektin<\/span><\/p>\n

Lime (Citrus aurantifolia): pektin: 2,0-3,5% pektin<\/span><\/p>\n

Narancs (Citrus sinensis): pektin: 1,5-3,5% pektin<\/span><\/p>\n

Grapefruit (Citrus paradisi): 1,5-2,5% pektin<\/span><\/p>\n

Alma (Malus domestica): 1,0-1,5% pektin a friss gy\u00fcm\u00f6lcsben, 15-20% a sz\u00e1r\u00edtott gy\u00fcm\u00f6lcsmagban.<\/span><\/p>\n

2)\u00a0<\/span>Egy\u00e9b jelent\u0151s forr\u00e1sok<\/span><\/b><\/b><\/p>\n

Bogy\u00f3k:<\/span><\/p>\n

Fekete ribiszke (Ribes nigrum): 1,0-1,5% pektin<\/span><\/p>\n

Eper (Fragaria \u00d7 ananassa): 0,6-0,7% pektin<\/span><\/p>\n

Csonth\u00e9jas gy\u00fcm\u00f6lcs\u00f6k:<\/span><\/p>\n

\u0150szibarack (Prunus persica): pektin: 0,5-1,0% pektin<\/span><\/p>\n

Szilva (Prunus domestica): 0,5-0,8% pektin<\/span><\/p>\n

Tr\u00f3pusi gy\u00fcm\u00f6lcs\u00f6k:<\/span><\/p>\n

Golgotagy\u00fcm\u00f6lcs (Passiflora edulis): 0,5-1,5% pektin<\/span><\/p>\n

Mang\u00f3 (Mangifera indica): 0,2-0,4% pektin<\/span><\/p>\n

Z\u00f6lds\u00e9gek:<\/span><\/p>\n

Cukorr\u00e9pa (Beta vulgaris): 1,0-2,0% pektin<\/span><\/p>\n

S\u00e1rgar\u00e9pa (Daucus carota): pektin: 0,5-1,0% pektin<\/span><\/p>\n

3)\u00a0<\/span>A pektin eloszl\u00e1sa a n\u00f6v\u00e9nyi sz\u00f6vetekben<\/span><\/b><\/b><\/p>\n

Gy\u00fcm\u00f6lcsh\u00e9j\/h\u00e9j: Legmagasabb koncentr\u00e1ci\u00f3<\/span><\/p>\n

Gy\u00fcm\u00f6lcsp\u00e9p: M\u00e9rs\u00e9kelt koncentr\u00e1ci\u00f3<\/span><\/p>\n

Gy\u00f6kerek \u00e9s gum\u00f3k: V\u00e1ltoz\u00f3, \u00e1ltal\u00e1ban alacsonyabb koncentr\u00e1ci\u00f3<\/span><\/p>\n

Levelek: Alacsony koncentr\u00e1ci\u00f3, de szerkezetileg fontos<\/span><\/p>\n

4)\u00a0<\/span>A pektintartalmat \u00e9s a min\u0151s\u00e9get befoly\u00e1sol\u00f3 t\u00e9nyez\u0151k<\/span><\/b><\/b><\/p>\n

Genetikai t\u00e9nyez\u0151k: Faj- \u00e9s fajtaf\u00fcgg\u0151<\/span><\/p>\n

K\u00f6rnyezeti felt\u00e9telek: \u00c9ghajlat, talajt\u00edpus, v\u00edzell\u00e1totts\u00e1g<\/span><\/p>\n

Gy\u00fcm\u00f6lcs \u00e9retts\u00e9g: Pektintartalom \u00e1ltal\u00e1ban cs\u00f6kken az \u00e9r\u00e9s sor\u00e1n.<\/span><\/p>\n

Termeszt\u00e9si id\u0151szak: A korai \u00e9s a k\u00e9s\u0151i szezonban term\u0151 gy\u00fcm\u00f6lcs\u00f6k k\u00f6z\u00f6tt megfigyelt elt\u00e9r\u00e9sek<\/span><\/p>\n

Betakar\u00edt\u00e1s ut\u00e1ni t\u00e1rol\u00e1s: Fokozatos leboml\u00e1s a t\u00e1rol\u00e1s sor\u00e1n<\/span><\/p>\n

5)\u00a0<\/span>Struktur\u00e1lis elt\u00e9r\u00e9sek forr\u00e1sonk\u00e9nt<\/span><\/b><\/b><\/p>\n

Citrus pektin: \u00c1ltal\u00e1ban magas fok\u00fa \u00e9szteresed\u00e9s (DE 60-75%)<\/span><\/p>\n

Almapektin: DE (50-70%), magasabb semleges cukortartalom<\/span><\/p>\n

Cukorr\u00e9pa pektin: Alacsonyabb DE (30-50%), magasabb acetilez\u00e9si fok<\/span><\/p>\n

6)\u00a0<\/span>Term\u00e9szetes forr\u00e1sokb\u00f3l t\u00f6rt\u00e9n\u0151 kivon\u00e1si m\u00f3dszerek<\/span><\/b><\/b><\/p>\n

Hagyom\u00e1nyos savas extrakci\u00f3<\/span><\/p>\n

Forr\u00f3 savas v\u00edz (pH 1,5-3,0, 70-90\u00b0C)<\/span><\/p>\n

Extrakci\u00f3s id\u0151: 1-3 \u00f3ra<\/span><\/p>\n

Term\u00e9shozam: 15-30% el\u00e9rhet\u0151 pektin<\/span><\/p>\n

Enzimatikus extrakci\u00f3<\/span><\/p>\n

Pektin\u00e1zok, cellul\u00e1zok \u00e9s hemicellul\u00e1zok haszn\u00e1lata<\/span><\/p>\n

Enyh\u00e9bb k\u00f6r\u00fclm\u00e9nyek: pH 3,5-4,5, 40-50\u00b0C<\/span><\/p>\n

Nagyobb hozam \u00e9s meg\u0151rz\u00f6tt molekulat\u00f6meg lehet\u0151s\u00e9ge<\/span><\/p>\n

7)\u00a0<\/span>Felt\u00f6rekv\u0151 alternat\u00edv forr\u00e1sok<\/span><\/b><\/b><\/p>\n

Napraforg\u00f3 (Helianthus annuus) fejek: 15-25% pektin a sz\u00e1r\u00edtott anyagban<\/span><\/p>\n

Okra (Abelmoschus esculentus) h\u00fcvelyek: 10-15% pektin a sz\u00e1r\u00edtott anyagban<\/span><\/p>\n

Kaka\u00f3 (Theobroma cacao) h\u00fcvelyh\u00e9j: 8-10% pektin a sz\u00e1r\u00edtott anyagban<\/span><\/p>\n

3.\u00a0<\/span>Ipari termel\u00e9s<\/span><\/b><\/b><\/p>\n

A kereskedelmi pektingy\u00e1rt\u00e1s f\u0151k\u00e9nt citrusf\u00e9l\u00e9k h\u00e9j\u00e1t \u00e9s almapog\u00e1cs\u00e1t haszn\u00e1lja fel nyersanyagk\u00e9nt. Az ipari folyamat a k\u00f6vetkez\u0151ket foglalja mag\u00e1ban:<\/span><\/p>\n

Extrakci\u00f3 forr\u00f3 savas v\u00edzzel<\/span><\/p>\n

Sz\u0171r\u00e9s \u00e9s koncentr\u00e1ci\u00f3<\/span><\/p>\n

Alkoholos csapad\u00e9k<\/span><\/p>\n

Sz\u00e1r\u00edt\u00e1s \u00e9s \u0151rl\u00e9s<\/span><\/p>\n

4.\u00a0<\/span>Alkalmaz\u00e1sok<\/span><\/b><\/b><\/p>\n

1)\u00a0<\/span>\u00c9lelmiszeripar<\/span><\/b><\/b><\/p>\n

Zsel\u00e9s\u00edt\u0151szer lekv\u00e1rokban \u00e9s zsel\u00e9kben<\/span><\/p>\n

Stabiliz\u00e1tor a tejterm\u00e9kekben<\/span><\/p>\n

S\u0171r\u00edt\u0151anyag m\u00e1rt\u00e1sokban \u00e9s italokban<\/span><\/p>\n

Zs\u00edrhelyettes\u00edt\u0151 az alacsony kal\u00f3riatartalm\u00fa \u00e9lelmiszerekben<\/span><\/p>\n

2)\u00a0<\/span>Gy\u00f3gyszer\u00e9szeti \u00e9s orvosi felhaszn\u00e1l\u00e1s<\/span><\/b><\/b><\/p>\n

K\u00f6t\u0151anyag a tablett\u00e1kban<\/span><\/p>\n

Ellen\u0151rz\u00f6tt hat\u00f3anyag-felszabad\u00edt\u00f3 rendszerek<\/span><\/p>\n

Sebgy\u00f3gy\u00edt\u00f3 alkalmaz\u00e1sok<\/span><\/p>\n

\u00c9lelmi rost kieg\u00e9sz\u00edt\u0151<\/span><\/p>\n

3)\u00a0<\/span>Egy\u00e9b ipari alkalmaz\u00e1sok<\/span><\/b><\/b><\/p>\n

Kozmetikumok s\u0171r\u00edt\u0151anyagk\u00e9nt<\/span><\/p>\n

Biol\u00f3giailag leboml\u00f3 csomagol\u00f3anyagok<\/span><\/p>\n

Ragaszt\u00f3k \u00e9s bevonatok<\/span><\/p>","protected":false},"excerpt":{"rendered":"

1.\u00a0Chemical Structure and Properties Pectin is a complex heteropolysaccharide with a diverse structural composition that varies depending on its source and extraction method. 1)\u00a0Primary Structure Main chain: Linear backbone of \u03b1-(1\u21924)-linked D-galacturonic acid units Degree of Esterification (DE): Percentage of carboxyl groups esterified with methanol High-methoxyl (HM) pectin: DE > 50% Low-methoxyl (LM) pectin: DE […]<\/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":"\nPectin: Chemical Structure, Natural Sources, Industrial Production, and Applications - 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\/pektin-kemiai-szerkezete-termeszetes-forrasok-ipari-termeles-es-alkalmazasok\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pectin: Chemical Structure, Natural Sources, Industrial Production, and Applications - 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