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News on Potato Starch

News on Potato Starch

 Featured News on Potato Starch

United States, June 08, 2009

IFT
Resistant starch may help control diabetes, aid in weight management and reduce colon cancer risk, according to new studies presented at the Institute of Food Technologists (IFT) 2009 Annual Meeting and Food Expo®.

Suzanne Hendrich, Ph.D., professor of food science and human nutrition at Iowa State University, discussed the four types of resistant starches: physically inaccessible (course-ground wheat), high-amylose (high amylose corn starch), retrograded amylose (cooked and cooled potato starch), and chemically modified starches (modified maltodextrins). Digestion-resistant starches resist digestion and absorption in the small intestine but completely or partially ferment in the large intestine.

“When studied as a substitute for non-resistant starches, digestive-resistant starches increased satiety, decreased the caloric content of meal and helped lower blood sugar response,” said Dr. Hendrich.

In one study, consumption of high-amylose starch muffins increased satiety in 20 subjects, showing potential for a role of resistant starch in weight management. The same results were seen whether the resistant starch was consumed for breakfast or with an evening meal. Rodent studies also indicate that substituting resistant starches for digestive starches reduces body fat.

Resistant starches also decreased blood glucose response. While studies have not yet been done with diabetics, early research indicates this may decrease adverse effects of hyperglycemia and diabetic complications, Hendrich said.

Concern over the adverse effects of large amounts of undigested resistant starches raises issues. However, studies showed no significant negative results, such as abdominal discomfort, for up to 33 grams of resistant starch although this varies according to the individual, said Jens Walter, Ph.D., food science researcher with the University of Nebraska.

The typical modern diet is low in resistant starches, which could be detrimental to a healthy digestive tract. “We have several hundred bacterial species in our gut,” said Walter. “These bacteria have an influence on disease and vary according to lifestyle and environmental factors. Resistant starches lead to a modulation of gastrointestinal gut microbiota. It showed a remarkable prebiotic effect.” Prebiotic activity promotes the growth of healthy bacteria in the bowel and discourages the growth of potentially harmful bacteria. On average, resistant starch increased bifodobacteria by more than 300 percent, according to Walter.

Fermentation of resistant starch in the colon also produces short-chain fatty acids (SCFA), including butyrate and propionate, which show promise as anti-cancer, anti-inflammatory products.
IFT press release
Germany, June 03, 2009

Kartoffel Substrat Ernter


Kartoffelstärke für die Papier- und Wellpappenindustrie lässt sich wesentlich einfacher und kostengünstiger herstellen, wie eine Machbarkeitsstudie der TU Dresden in Zusammenarbeit mit der Papiertechnischen Stiftung (PTS) nachweist. Sie prüften, inwieweit Substrate aus speziellen Erntemaschinen für die Stärkegewinnung und Reste aus der Kartoffelverarbeitung ohne aufwändige Trocknung und Extraktion direkt nutzbar sind. Das Vorhaben wurde vom Bundesministerium für Ernährung, Landwirtschaft und Verbraucherschutz (BMELV) über dessen Projektträger, die Fachagentur Nachwachsende Rohstoffe (FNR), gefördert.

Die deutsche Papier- und Wellpappenindustrie setzt jährlich mehr als 500.000 Tonnen Stärke ein, von denen ein großer Teil aus Kartoffeln stammt. Aufgrund steigender Nachfrage nach pflanzlicher Stärke und den ständig wachsenden Herstellungskosten ist eine energieeffizientere und kostengünstigere Gewinnung zunehmend gefragt.

Die TU Dresden und die PTS prüften nun, inwieweit feuchtes Kartoffelsubstrat aus einer Kartoffelsubstrat-Erntemaschine und Kartoffelschalen unterschiedlicher Konsistenz als Additiv zur Herstellung von Wellpappenrohpapier geeignet sind. Damit ließen sich die bei der Stärkeproduktion sonst üblichen aufwändigen Trocknungs- und Extraktionsprozesse und so Energie und Kosten in erheblichem Umfang einsparen.

Full Report (in German): Machbarkeitsstudie zur Verfahrensentwicklung einer kosteneffizienten Verwendung von Kartoffelstärkerohstoffen in der Papierwirtschaft
Nachwachsende Rohstoffe
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 News on Potato Starch

Companies in Item
6/11/2009Safety Amflora GMO potato reconfirmed by EFSAEuropean UnionBASF
6/8/2009IFT highlights Health Benefits of Resistant StarchUnited States
6/3/2009Papierstärke aus Kartoffeln effizienter gewinnen: Aufwändige Trocknung und Extraktion sind nicht nötigGermany
6/2/2009Starch-based flocculation agents of Emsland Group can replace synthetic polymersGermanyEmsland Group (Emsland-Stärke GmbH)
5/26/2009China Essence Group growth dampened by tough economic climate ChinaChina Essence Group Ltd
5/16/2009Solanyl Biopolymers Inc turns potato starch into biodegradable plasticsCanadaManitoba Starch Products; Simplot Foods Group; Solanyl Biopolymers Inc
5/7/2009Avebe vraagt toelating voor teelt ModenaNetherlandsAvebe
5/4/2009Germany to allow GMO potato trialsGermanyBASF
4/15/2009"Strandbakje": Frietbakje gemaakt van aardappelafvalNetherlands
3/27/2009China Essence CEO increases stake in the company, comments on loan obligationsChinaChina Essence Group Ltd
3/19/2009 Instalarán en Andahuaylas primera planta industrial de procesamiento de almidón de papa del PerúPeru
3/18/2009KMC launches Fiberbind, functional potato fiberDenmarkKMC (Kartoffelmelcentralen)
3/15/2009Avebe schrapt markttoeslagNetherlandsAvebe
3/14/2009Crisis dwingt Avebe tot ingrijpenNetherlandsAvebe
3/13/2009AKV Langholt awarded for cooperation between employees and managementDenmarkAKV Langholt (Andelskartoffelmelsfabrikken Vendsyssel)
3/7/2009NAV schat kostprijs plus marge bij zetmeelaardappelen op 10,6 eurocentNetherlandsAvebe; Emsland Group (Emsland-Stärke GmbH)
3/5/2009Avebe present at European Coatings showGermanyAvebe
3/4/2009Instituto mexicano procesara hidrolizado de almidon de papaMexico
2/26/2009China: Potato and Frozen Potato Products 2009 (Gain Report)China
2/23/2009Potato Starch Manufacturer China Essence says potato protein and potato fiber production expansion on schedule ChinaChina Essence Group Ltd
2/19/2009Canadian government announces 5.3 million support for BioPotato NetworkCanada
2/19/2009Locatie veldproeven mag niet geheim worden gehoudenEuropean UnionAvebe; BASF
2/12/2009Chinese Potato Starch manufacturer China Essence Group reports 21% increase in 9M FY2009 RevenueChinaChina Essence Group Ltd
2/5/2009Carbohydrate Competence Center geopend.NetherlandsAvebe; Aviko
1/6/2009Starch Manufacturer KMC strengthens the area of Functional IngredientsDenmarkKMC (Kartoffelmelcentralen)
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