{"id":2474,"date":"2025-10-28T15:55:08","date_gmt":"2025-10-28T07:55:08","guid":{"rendered":"https:\/\/protein-dry-fractionation.epic-powder.com\/?p=2474"},"modified":"2025-10-28T15:55:15","modified_gmt":"2025-10-28T07:55:15","slug":"rice-starch-particle-structure-and-gelatinization-properties","status":"publish","type":"post","link":"https:\/\/protein-dry-fractionation.epic-powder.com\/de\/rice-starch-particle-structure-and-gelatinization-properties\/","title":{"rendered":"Partikelstruktur und Gelatinierungseigenschaften von Reisst\u00e4rke"},"content":{"rendered":"<p>Unter allen bekannten Getreidesorten <a href=\"https:\/\/protein-dry-fractionation.epic-powder.com\/de\/\" target=\"_blank\">Reisst\u00e4rkepartikel<\/a> haben die kleinste Gr\u00f6\u00dfe mit einem durchschnittlichen Durchmesser von nur<a href=\"https:\/\/protein-dry-fractionation.epic-powder.com\/de\/air-classifier-mill\/\" target=\"_blank\"> 2\u20138 \u03bcm<\/a>. Im Vergleich dazu <a href=\"https:\/\/protein-dry-fractionation.epic-powder.com\/de\/air-classifier-mill\/\" target=\"_blank\">Maisst\u00e4rke<\/a> misst 5\u201325 \u03bcm, Weizenst\u00e4rke 2\u201345 \u03bcm, Sorghumst\u00e4rke 5\u201325 \u03bcm und Kartoffelst\u00e4rke 15\u2013100 \u03bcm.<\/p>\n\n\n\n<p>Die geringe Partikelgr\u00f6\u00dfe und die gro\u00dfe spezifische Oberfl\u00e4che verleihen Reisst\u00e4rke im Vergleich zu anderen St\u00e4rken viele \u00fcberlegene physikochemischen Eigenschaften. Sie kann als Fettersatz dienen, ist leicht verdaulich, enth\u00e4lt wenig Lipide und Mineralien und weist eine sehr geringe allergene Proteinbindung auf.<\/p>\n\n\n\n<p>Reisst\u00e4rke ist zudem die wei\u00dfeste aller St\u00e4rken und eignet sich daher gut als gl\u00e4nzende Beschichtung f\u00fcr Bonbons oder Tabletten. Forscher am Southern Institute of Louisiana, USA, haben ein Produkt auf Reisbasis mit resistenter St\u00e4rke f\u00fcr adip\u00f6se und diabetische Patienten entwickelt. Im Dickdarm f\u00f6rdert es das Wachstum n\u00fctzlicher Bakterien, verbessert die Darmflora und wirkt sich positiv auf die Darmgesundheit aus.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/rice-starch.webp\" alt=\"Reisst\u00e4rke\" class=\"wp-image-2475\" srcset=\"https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/rice-starch.webp 800w, https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/rice-starch-300x200.webp 300w, https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/rice-starch-768x512.webp 768w, https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/rice-starch-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-separation-of-rice-starch\">Trennung von Reisst\u00e4rke<\/h2>\n\n\n\n<p>Reisst\u00e4rke befindet sich im Endosperm reifer Reisk\u00f6rner. Reis besteht aus 20% Spelzen und 80% Naturreis. Der t\u00e4glich verzehrte wei\u00dfe Reis wird durch Abmahlen der Kleie und des Keims von Naturreis gewonnen, um das Endosperm zu erhalten.<\/p>\n\n\n\n<p>Je nach Partikelmorphologie und Amylosegehalt kann Reis in Wachsreis (0,8\u20132% Amylose), Kurzkornreis (7\u201320%), Mittelkornreis (20\u201325%) und Langkornreis (\u00fcber 25%) eingeteilt werden.<\/p>\n\n\n\n<p>Derzeit umfassen die Trennmethoden f\u00fcr Reisst\u00e4rke haupts\u00e4chlich alkalisches Einweichen, Tensid-, Ultraschall- und enzymatische Prozesse.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-structure-and-composition-of-rice-starch-particles\">Struktur und Zusammensetzung von Reisst\u00e4rkepartikeln<\/h2>\n\n\n\n<p>Generell variiert die Partikelgr\u00f6\u00dfe von Reisst\u00e4rke je nach Reissorte erheblich. Klebreisst\u00e4rke hat gr\u00f6\u00dfere K\u00f6rnchen als Indica-Reisst\u00e4rke, w\u00e4hrend Japonica-Reisst\u00e4rke die kleinsten K\u00f6rnchen aufweist.<\/p>\n\n\n\n<p>Reisst\u00e4rke liegt h\u00e4ufig in Form von ovalen oder kugelf\u00f6rmigen St\u00e4rkek\u00f6rnern mit Durchmessern von 7\u201339 \u03bcm vor. Jedes St\u00e4rkekorn enth\u00e4lt 20\u201360 kleine St\u00e4rkek\u00f6rner. Unter dem Elektronenmikroskop erscheint die Oberfl\u00e4che der St\u00e4rkek\u00f6rnchen por\u00f6s. Diese Poren entstehen, wenn sich die St\u00e4rke-Protein-Komplexe im Endosperm w\u00e4hrend der Isolierung trennen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-gelatinization-characteristics-of-rice-starch\">Verkleisterungseigenschaften von Reisst\u00e4rke<\/h2>\n\n\n\n<p>Sowohl in der Lebensmittelindustrie als auch in der Industrie muss Reisst\u00e4rke erhitzt und verkleistert werden. Das Verkleisterungsverhalten h\u00e4ngt eng mit der molekularen und physikochemischen Struktur zusammen.<\/p>\n\n\n\n<p>Wird die St\u00e4rkesuspension auf eine bestimmte Temperatur erhitzt, quellen die K\u00f6rnchen pl\u00f6tzlich auf, die kristalline Struktur verschwindet und Amylose beginnt auszulaugen. Die Doppelbrechung (Malteserkreuz) verschwindet, und der Brei verwandelt sich in eine viskose Paste, die sich auch ohne R\u00fchren nicht schnell absetzt. Diese Umwandlung wird als St\u00e4rkeverkleisterung bezeichnet, bei der W\u00e4rme- und Wasserenergie die geordnete Struktur in eine ungeordnete umwandeln.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-process-can-be-divided-into-three-stages\">Der Prozess l\u00e4sst sich in drei Phasen unterteilen<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/Rice-starch-grinding-machine.webp\" alt=\"Reisst\u00e4rke-Mahlmaschine\" class=\"wp-image-2477\" srcset=\"https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/Rice-starch-grinding-machine.webp 800w, https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/Rice-starch-grinding-machine-300x300.webp 300w, https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/Rice-starch-grinding-machine-150x150.webp 150w, https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/Rice-starch-grinding-machine-768x768.webp 768w, https:\/\/protein-dry-fractionation.epic-powder.com\/wp-content\/uploads\/2025\/10\/Rice-starch-grinding-machine-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Erste Stufe:<\/strong><br>Vor Erreichen der Verkleisterungstemperatur dringt Wasser durch Zwischenr\u00e4ume in die St\u00e4rkek\u00f6rner ein und bindet an polare Gruppen. Die K\u00f6rner behalten ihre Form und Doppelbrechung.<\/li>\n\n\n\n<li><strong>Zweite Stufe:<\/strong><br>Bei Erreichen der Verkleisterungstemperatur absorbieren St\u00e4rkek\u00f6rner schnell Wasser und quellen stark auf. Die Doppelbrechung verschwindet, da die kristallinen Bereiche zerfallen. Sobald dies geschieht, kann durch Abk\u00fchlung die urspr\u00fcngliche K\u00f6rnchenstruktur nicht mehr wiederhergestellt werden.<\/li>\n\n\n\n<li><strong>Dritte Stufe:<\/strong><br>Bei fortgesetzter Erhitzung zerfallen die gequollenen St\u00e4rkek\u00f6rner und l\u00f6sen sich weiter auf.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-characteristics-and-applications-of-rice-starch\">Eigenschaften und Anwendungen von Reisst\u00e4rke<\/h2>\n\n\n\n<p>Reisst\u00e4rkegranulat ist fein, hat eine gro\u00dfe Oberfl\u00e4che und ein starkes Adsorptionsverm\u00f6gen. Es ist geruchslos und beeintr\u00e4chtigt den Geschmack von Lebensmitteln nicht. Mit seinem geschmeidigen und cremigen Geschmack ist Reisst\u00e4rke ein hervorragender Fettersatz. Seine strahlend wei\u00dfe Farbe macht es ideal zum \u00dcberziehen von Tabletten und Bonbons.<\/p>\n\n\n\n<p>Wachsartige Sorten weisen eine gute Gefrier-Tau-Stabilit\u00e4t auf und verhindern Syn\u00e4rese und Schrumpfung beim Einfrieren. Reisst\u00e4rke ist zudem hypoallergen und eignet sich daher f\u00fcr eine Vielzahl von Anwendungen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kosmetika:<\/strong> Wird in Gesichtspudern f\u00fcr gute Haftung und ein nat\u00fcrliches Finish verwendet.<\/li>\n\n\n\n<li><strong>Papier und Fotografie:<\/strong> Wird als Leimungsmittel f\u00fcr klare und haltbare Drucke verwendet.<\/li>\n\n\n\n<li><strong>Industriell:<\/strong> Funktioniert als Lebensmittel- und Gummischmiermittel.<\/li>\n\n\n\n<li><strong>Essen:<\/strong> Wirkt als Bindemittel und Verdickungsmittel in S\u00fc\u00dfigkeiten, So\u00dfen, Suppen und Instantreis und sorgt f\u00fcr eine glatte Textur.<\/li>\n\n\n\n<li><strong>Funktionelle St\u00e4rke:<\/strong> Por\u00f6se St\u00e4rke bietet eine starke Adsorption und eignet sich f\u00fcr funktionelle Lebensmittel f\u00fcr S\u00e4uglinge und \u00e4ltere Menschen. Langsam verdauliche St\u00e4rke tr\u00e4gt zur Reduzierung der glyk\u00e4mischen Last bei und ist f\u00fcr Diabetiker und Sportler geeignet.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Abschluss<\/h2>\n\n\n\n<p>Um qualitativ hochwertige Reisst\u00e4rke f\u00fcr Lebensmittel, Pharmazeutika und funktionelle Anwendungen zu gew\u00e4hrleisten, ist eine pr\u00e4zise Kontrolle der Partikelgr\u00f6\u00dfe unerl\u00e4sslich. <a href=\"https:\/\/protein-dry-fractionation.epic-powder.com\/de\/contact\/\" target=\"_blank\">EPIC-Pulver<\/a> verf\u00fcgt \u00fcber mehr als 20 Jahre Erfahrung im Bereich Feinmahlen und Klassieren. Das Unternehmen bietet fortschrittliche Luftklassierer-M\u00fchlensysteme f\u00fcr die effiziente Verarbeitung von Reisst\u00e4rke bei niedrigen Temperaturen.<br>Diese Systeme gew\u00e4hrleisten zudem einen kontaminationsfreien Betrieb. Durch die Kombination von Mahlen und Klassieren in einem Schritt sorgt die Technologie von EPIC Powder f\u00fcr eine stabile Partikelgr\u00f6\u00dfenverteilung und einen hervorragenden Wei\u00dfgrad. Sie verbessert zudem die Produktfunktionalit\u00e4t und setzt einen neuen Ma\u00dfstab f\u00fcr die Produktion hochwertiger Reisst\u00e4rke.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"EPIC Jet Mill \u2013 Experiment mit vorverkleisterter Maisst\u00e4rke und Maisst\u00e4rkezerkleinerung\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Lmw4hiy1gnQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f2347-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"2347\">\n<div class=\"screen-reader-response\"><p role=\"status\" 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left;\n z-index: 99;\n}\n.one-half { width: 48%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 100%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"de\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Unter allen bekannten Getreidearten weisen Reisst\u00e4rkepartikel die kleinste Gr\u00f6\u00dfe auf, mit einem durchschnittlichen Durchmesser von nur 2\u20138 \u03bcm. Zum Vergleich: Maisst\u00e4rke misst 5\u201325 \u03bcm, Weizenst\u00e4rke 2\u201345 \u03bcm, Sorghumst\u00e4rke 5\u201325 \u03bcm und Kartoffelst\u00e4rke 15\u2013100 \u03bcm. Die geringe Partikelgr\u00f6\u00dfe und die gro\u00dfe spezifische Oberfl\u00e4che der Reisst\u00e4rke verleihen ihr viele \u00fcberlegene Eigenschaften.<\/p>","protected":false},"author":1,"featured_media":2477,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-protein-dry-fractionation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rice Starch Particle Structure and Gelatinization Properties - Protein Fractionation &amp; 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