• Title/Summary/Keyword: Dietary Cellulose

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The Influence of Dietary Fiber on Intestinal Environment in Rats Controlled by Food Restriction (식이섬유 급원 첨가하에서의 식이제한이 흰주의 장내 환경에 미치는 영향)

  • 강어진
    • The Korean Journal of Food And Nutrition
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    • v.11 no.4
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    • pp.460-465
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    • 1998
  • The effects of food restriction on the fecal microflora, moisture, pH, indole, ${\beta}$-glucosidas, and ${\beta}$-glucuronidase in rate were studied for 4 weeks. Four groups of rats for feeding was allocated to the following experimental trials : (1) control containing 1% cellulose, (2) control with food restriction, (3) treatment of diet containing butterbur, (4) treatment of butterbur combined with diet restriction. Treatment of butterbur combined food restriction significantly (p<0.05) reduced the growth of Bacteroides, Peptococus, Streptococcus, Staphylococcus, and Escherchia coli, respectively. No remarkable changes in the ${\beta}$-glucosidase and ${\beta}$-glucuronidase activities were observed but indole content significanlty decreased. Based on these results, treatment of butterbur combined with diet restriction in rats had a significantly effect for preventing the growth of those pathogenic microorganims.

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Effects of Korean Leek and Dietary Fat on Plasma Lipids and Platelet Aggregation in Hypercholesteroloemic Rats (부추와 식이지방이 고지혈증 흰쥐의 혈액성상 및 혈소판 응집에 미치는 영향)

  • 홍서아
    • Journal of Nutrition and Health
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    • v.33 no.4
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    • pp.374-385
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    • 2000
  • The purpose of the present study was to investigate the effect of Korea leek on plasm lipids and platelet aggregation in hypercholesterolemic rats fed different dietary fat. Sprague-Dawley rats were fed with hyperlipidemic diet for 4 weeks in order to induce hyperlipidemia, followed by the feeding of experimental diets for additonal 4 weeks. We used three kinds of lipid(perilla oil, corn oil and lard). Korean leek of experimental diets was prepared by drying and milling. Powdered Cellulose and powdered Korean leek were added to experimental diets at the level of 5% (w/w). Serum concentrations of total lipid, total triglyceride, total cholesterol and LDL-cholesterol decreased in the order of perilla oil, corn oil and lard. Korean leek significantly decreased total lipid, total cholesterol, LDL-cholesterol, platelet count, prothrombin time, and platelet aggregation in rats fed a lard diet. The present observation indicates that Korean leek might be helpful for the prevention and threapy of hyperlipidemia and platelet aggregation.

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Characterization of Insoluble Fibers Prepared from the Peel of Ripe Soft Persimmon (Diospyros kaki L. cv. Daebong)

  • Akter, Mst. Sorifa;Eun, Jong-Bang
    • Food Science and Biotechnology
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    • v.18 no.6
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    • pp.1545-1547
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    • 2009
  • The fiber-rich fractions including enzyme treated insoluble dietary fiber, alcohol insoluble solid, and water insoluble solid were prepared from the peel of soft ripe persimmon, and to evaluate and compare the yields, proximate compositions, monosaccharide profiles, and functional properties. The results showed that uronic acid was the main sugar followed by glucose, which indicated that all insoluble fibers were mainly composed of pectic substances and cellulose. The presence of xylose and fucose indicated the occurrence of hemicellulose. All fiber-rich fractions were exhibited high yield and functional properties. Thus, the peel of ripe persimmon could be used as fiber supplements.

Effects of Different Dietary Carbohydrate Sources on Growth and Body Composition of Juvenile Snail (Semisulcospira gottschei)

  • Lim, Tae-Jun;Kim, Kyoung-Duck;Kim, Seon-Hwa;Lee, Sang-Min;Bang, In-Chul
    • Journal of Aquaculture
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    • v.16 no.3
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    • pp.187-189
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    • 2003
  • To test the effect of different carbohydrate sources, wheat flour, used as the carbohydrate source in the control diet, was replaced with 30% glucose, 30% maltose, 30% cellulose or 30% $\alpha$-starch. After feeding trial for 8 weeks, no significant differences were found in growth and proximate composition of edible fraction of the snail fed diets containing different carbohydrate sources. All the tested carbohydrates are shown as good dietary carbohydrate source.

Quality Characteristics of Beef Patty Containing Gums (Gum류를 첨가한 우육 Patty의 품질 특성)

  • 정인철;김도완;이경수
    • Journal of the East Asian Society of Dietary Life
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    • v.10 no.5
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    • pp.403-410
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    • 2000
  • In order to investigate the possibility of lwo fat meat products, beef patties were prepared with gums such as carrageenan, methyl cellulose, and xanthangum. The quality characteristics of beef patties were examined. Moisture contents of raw and cooked patties of control were lower than those of patties containing gums, and fat content was higher than those of containing gums. There was no significant difference in the protein contents of patties. In case of L-value(lightness) of raw patty, the control was higher than those patties containing gums. a-(redness) and b-value(yellowness) among patties were not significantly different. Cooking yield, fat retention, and water holding capacity of beef patties containing gums were higher than control beef patty, but salt soluble protein and gel strength were not significantly different. Significant difference did not exist among beef patties in hardness, but the chewiness and gumminess of patties containing gums were higher than control. In case of sensory evaluation, there was no significant difference among patties in aroma and palatability. Texture of control was higher than patties containing gums, and juiciness of control was higher than patties containing carrageenan.

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The Physicochemical Change of Soybean-Leaf Water Kimchis during Fermentation (콩잎 물김치의 숙성과정 중 이화학적 변화)

  • 이봉희;김경자
    • Journal of the East Asian Society of Dietary Life
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    • v.13 no.6
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    • pp.601-607
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    • 2003
  • This study was attempted to investigate the physicochemical changes during soybean-leaf water kimchis fermentation by adding wheat flour in cooking water. Soybean-leaf water kimchis with five different levels of wheat flour in cooking water(0%;A, 5%;B 10%;c, 15%;D, 20%;E) were tested for rhological parameters, fine structural changes, sensory evaluations and chemical analysis. The composition of the soybean-leaf was moisture (80.9%), protein(6.8%), fat(0.6%), ash(2.1%) and alkalinity (+14.9). The amount of reducing sugars of sample A and other samples were 0.75% and 1.08∼1.4% in the initial fermentation stage, but decreased to 0.3 and 0.43∼0.50% in the later fermentation stage, respectively. The pH of sample A decreased from 5.17 to 4.72 during the initial fermentation. On sample B, C, D and E, pH's decreased rapidly during the initial fermentation, but they did not change much in the later fermentation stage. The pectin contents of all samples decreased during 2nd and 4th day of fermentation, then the change was slow. The amount of hemicellulose. cellulose and lignin in terms of the DNF and ADF were varied from 4 to 33%, but the contents of them did not greatly changed during the fermentation. The sensory evaluation showed that both B and C samples had the good score in sweety taste, roasted nutty taste, and the ease of swallowing measured as chewiness. From these results, the optimum soybean-leaf water kimchis can be prepared when 200g soybean-leaf, 1000$m\ell$ water, 15g garlic, 3% red pepper powder and 5 ∼0% wheat flour were fermented at 20$^{\circ}C$ for 2 days.

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Effect of Non-starch Polysaccharides on Mucin Secretion and Endogenous Amino Acid Losses in Pigs

  • Morel, P.C.H.;Padilla, R.M.;Ravindran, G.
    • Asian-Australasian Journal of Animal Sciences
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    • v.16 no.9
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    • pp.1332-1338
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    • 2003
  • This study was undertaken to examine the influence of soluble non-starch polysaccharides on growth performance, mucin secretion, and endogenous amino acid flows in weaner pigs. Different levels (0, 4 and 7.5%) of purified corn arabinoxylan (AX) or barley $\beta$-glucan extract (BG) were substituted for cellulose in a purified diet based on starch, sucrose and enzymatically hydrolyzed casein. All diets contained titanium oxide as an indigestible marker. Each experimental diet was fed to five, 6-wk old weaner pigs for 21 days. Average daily gain (p<0.05) and feed conversion ratio (p<0.01) were improved with dietary inclusion of 7.5% AX and BG, indicating high degradation rates of AX and BG in pigs. Crude mucin contents and endogenous nitrogen flow were increased (p<0.05) with increased levels of AX, but not with BG. Numerical increases in endogenous amino acid flow (EAAF) were observed with increased levels of AX but no definite trend with BG. Endogenous amino acid flow in pigs fed mixed NSP diets (4% BG and 3.5% cellulose) was significantly higher (p<0.05) than those fed 7.5% BG diets. Among diets containing pure sources of soluble non-starch polysaccharides, endogenous amino acid flows were highest in 7.5% AX (p<0.05), intermediate in BG, and lowest in control diet. Increased flows (p<0.01) of threonine, proline and serine in pigs fed 7.5% AX diets are consistent with the increased flow of crude mucin determined in this treatment. In conclusion, mucin and endogenous amino acid flows were increased with dietary inclusion of AX, which could be related to its physicochemical property, particularly its high water-holding capacity. In contrast, $\beta$-glucan, due to its high degradation rate in pig, may be considered as unimportant factor in inducing mucin and endogenous amino acid secretions, at least at levels such as those used in this study.

Production of Soluble Dietary Fiber of Buckwheat Hulls by Enzymatic Depolymerzation and its Characteristics (메밀껍질의 효소분해에 의한 수용성 식품섬유소의 생산 및 기능적 특성)

  • Im, Hee Jin;Park, Bo Yeon;Yoon, Kyung Young
    • Korean Journal of Food Science and Technology
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    • v.48 no.2
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    • pp.97-103
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    • 2016
  • This study was conducted for the production of water-soluble dietary fiber (SDF) from buckwheat hulls by using Celluclast or Viscozyme. The functionality of this SDF, including antioxidant activity, glucose- and bile acid-retardation effects in vitro, was measured. SDF yields from cellulose and hemicellulose fractions were 60.5 and 123.7 g/kg dry matter, respectively. Analysis of molecular weight distribution of SDF by using gel chromatography showed that SDF degradation increased with increase in reaction time. The antioxidant activity of SDF obtained by enzymatic hydrolysis was higher than that of dietary fiber without enzyme treatment. SDF showed higher retardation effects on glucose and bile acid than the sample without dietary fiber did. The results of this study suggested that SDF produced from buckwheat hull by enzymatic hydrolysis is a good source of functional food material because of its high antioxidant activity and glucose- and bile acid-retardation effects.

Effects of Legume Supplementation on the Gastrointestinal Function and Diabetic Symptoms in Streptozotocin-Induced Diabetic Rats (두류의 첨가가 당뇨병 쥐의 장기능과 당뇨증세에 미치는 영향)

  • 박수현
    • Journal of Nutrition and Health
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    • v.32 no.6
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    • pp.617-627
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    • 1999
  • The present study was conducted to evaluate the usefulness of four kinds of legumes(black soybean: BS, yellow soybean: YS, green peas: GP, soybean curd residue: SCR) as a high-fiber supplement in the therapeutic diet for diabetic patients. Seven groups of normal and streptozotocin-induced diabetic rats were fed isocaloric experimental diets containing 8% dietary fiber from one of legumes for 6 weeks. The effects of legumes on the gastrointestinal function and diabetic symptoms in diabetic rats were also examined and compared with the effects of cellulose or pectin diet. Legume supplementations had no significant effects on alleviating typical diabetic symptoms such as polydipsia, polyphasia, polyuria, and urinary glucose excretion when compared with cellulose or pectin supplementations. The supplementations of legumes all resulted in remarkable changes in gastrointestinal functions: shortening of GI transit time and increases in fecal volume, fecal water and crude fat contents. Legume supplementations appeared to supress the damages of the small intestine villi and the enteritis symptoms in diabetic rats. GP led to regular villus patterns closer to normal villus. BS, YS and GP led to the enlargement of cecum in diabetic rats. In conclusion, the present studies have demonstrated that legumes may possess a significant physiological actions in the control of various diabetic conditions.

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Changes of Texture in terms of the Contents of Cellulose, Hemicellulose and Pectic Substances during Fermentation of Radish Kimchi (숙성 기간에 따른 무우 김치의 텍스쳐와 섬유소, 헤미셀루로오스, 펙틴질의 함량 변화)

  • Jung, Guy-Hwa;Lee, Hei-Soo
    • Korean journal of food and cookery science
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    • v.2 no.2
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    • pp.68-75
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    • 1986
  • The changes of dietary fiber and texture of radish Kimchi fermented at $17{\sim}20^{\circ}C$ were investigated. During the fermentation period, hardness and brittleness of radish Kimchi were decreased. The changes were more marked in the brittleness. But the contents of cellulose and hemicellulose were not changed considerably. The contents of AIS was decreased with fermentation. During the fermentation, hot soluble pectin was increased and protopection was decreased but the amount of changes was small. The texture of radish Kimchi was affected by contents of pectic subsrances, especially protopectin. The coefficient of correlation between hardness and protopectin contents was 0.85.(=r)

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