Effect of raw and heat-moisture-treated high-amylose corn starches on the process of digestion in the rat digestive tract

Ito, Tsuyoshi; Saito, Kenji; Sugawara, Masayoshi; Mochida, Kazumi; Nakakuki, Teruo

doi:10.1002/(sici)1097-0010(19990701)79:9<1203::aid-jsfa350>3.0.co;2-t

Cited by 19 publications

(12 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Oven-drying also resulted in an increase in the starch and amylopectin contents of the samples. The reduction in the content of amylose suggests an improvement in grain quality since amylose is more slowly digested than amylopectin and affects the digestion of nutrients other than carbohydrates [24][25][26].…”

Section: Discussionmentioning

confidence: 99%

“…Although resistant starch content or starch digestibility was not measured in the present study, it is unlikely that there were any major negative effects of oven-drying on the samples. The classical effects of heat treatment of cereals include an increase in amylose content; annealing, and retrograding of starch [26,28,29]. The moisture content of the samples used in this study may be too low to cause retrograding of starch through heating.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Intestinal function and body growth of broiler chickens on diets based on maize dried at different temperatures and supplemented with a microbial enzyme

Iji

Slippers

et al. 2003

Reprod. Nutr. Dev.

View full text Add to dashboard Cite

-A study was conducted to evaluate the effects of varying drying temperature (Fresh, 85, 95 or 105 o C) on the nutritive value of maize and response of broiler chickens to diets based on such grain, and supplemented with a microbial enzyme (Avizyme 1500). The chemical composition of the grain was affected by drying temperature. Starch and amylopectin contents were increased while there was a reduction in amylose content. These changes were expected to underlie the response of chicks to the diets. Total feed intake over 28 days was increased (P < 0.05) as a result of heat-treating the maize up to 95 o C. The final body weight of chicks on the diet based on fresh maize was improved (P < 0.05) by the microbial enzyme supplement (MES). There was no effect of the enzyme supplement on body weight when assessed at earlier ages. Over the entire feeding period, feed conversion efficiency (FCE) declined (P < 0.001) with increasing oven temperature, regardless of the supplementation with the microbial enzyme. Body weight was influenced (P < 0.05) by the microbial enzyme only when assessed over the entire trial period. The weight of visceral organs, protein content and activities of pancreatic and jejunal digestive enzymes were unaffected by grain heat treatment or MES. The ileal digestibility of calcium was reduced (P < 0.001) on diets based on fresh maize and maize that was oven-dried at 105 o C. Heat-treatment also improved (P < 0.05) the ileal digestibility of phosphorus in chicks on the diets without MES. There were no effects of grain heat treatment or MES on the ileal digestibility of energy, protein, Ca and amino acids. The results indicate some variations in grain quality as a result of heat treatment but the differences were not significant enough to stimulate major responses to the MES. Further studies should examine samples from commercial drying processes or samples obtained from a closer simulation of commercial conditions, to arrive at more practical conclusions.body growth / broiler chicks / digestibility / digestive enzymes / drying temperature / grain quality / maize Reprod. Nutr. Dev. 43 (2003) 77-90 77

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Intestinal function and body growth of broiler chickens on diets based on maize dried at different temperatures and supplemented with a microbial enzyme

Iji

Slippers

et al. 2003

Reprod. Nutr. Dev.

View full text Add to dashboard Cite

show abstract

“…The dry weight of feces increased linearly with increasing DF content in test starch ( r = 0.958, P = 0.042). Ito and others (1999) showed that while HACS was hydrolyzed almost completely by bacteria in the cecum , some HM‐HACS escaped bacterial hydrolysis.…”

Section: Resultsmentioning

confidence: 99%

Heat‐Moisture Treatment of High‐Amylose Corn Starch Increases Dietary Fiber Content and Lowers Plasma Cholesterol in Ovariectomized Rats

Liu¹,

Ogawa²,

Ando³

et al. 2007

Journal of Food Science

View full text Add to dashboard Cite

The effect of dietary high-amylose corn starch (HACS) of varying dietary fiber (DF) content on plasma cholesterol was examined in ovariectomized (OVX) rats. Gelatinized normal corn starch (G-CS) was used as a reference. OVX rats were fed a fiber-free purified diet containing G-CS, HACS, gelatinized high-amylose corn starch (G-HACS), or heat-moisture treated HACS (HM-HACS) at 400 g starch/kg diet for 21 d. The DF content of G-CS, HACS, G-HACS, and HM-HACS measured by the AOAC method was 0.1, 19.3, 2.4, and 64.5 g/100 g, respectively. The dry weight of cecal contents, cecal wall weight, the amount of short chain fatty acids in cecal contents, the amount of bile acids in small intestinal contents, and fecal excretion of neutral sterols increased logarithmically with increasing DF, while total plasma cholesterol concentration decreased. On the other hand, hepatic CYP7A1 activity, fecal dry weight, and fecal excretion of bile acids increased linearly with increasing DF, while body weight gain decreased. The hypocholesterolemic effect of HACS in OVX-rats appeared to be more effective by heat-moisture treatment.

show abstract

“…A positive correlation exists between amylose concentration and RS formation (Ito et al, 1999). The straight chains of amylose limit the access of small intestine b-amylases to the two terminal glucose units on the amylose chain (besides, two terminal ends may not be accessible due to folding of a polymer).…”

Section: Factors Affecting Starch Digestibilitymentioning

confidence: 99%

Starch Biosynthesis in Relation to Resistant Starch

2013

View full text Add to dashboard Cite

Effect of raw and heat-moisture-treated high-amylose corn starches on the process of digestion in the rat digestive tract

Cited by 19 publications

References 26 publications

Intestinal function and body growth of broiler chickens on diets based on maize dried at different temperatures and supplemented with a microbial enzyme

Intestinal function and body growth of broiler chickens on diets based on maize dried at different temperatures and supplemented with a microbial enzyme

Heat‐Moisture Treatment of High‐Amylose Corn Starch Increases Dietary Fiber Content and Lowers Plasma Cholesterol in Ovariectomized Rats

Starch Biosynthesis in Relation to Resistant Starch

Contact Info

Product

Resources

About