Ability of juvenile white sturgeon (Acipenser transmontanus) to utilize different carbohydrate sources.
Identifieur interne : 000707 ( Ncbi/Curation ); précédent : 000706; suivant : 000708Ability of juvenile white sturgeon (Acipenser transmontanus) to utilize different carbohydrate sources.
Auteurs : S S Hung ; F K Fynn-Aikins ; P B Lutes ; R P XuSource :
- The Journal of nutrition [ 0022-3166 ] ; 1989.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Blood Glucose.
- chemical , classification : Dietary Carbohydrates.
- chemical , metabolism : Dietary Carbohydrates.
- enzymology : Intestines, Liver, Microvilli.
- metabolism : Fishes.
- ultrastructure : Intestines.
- Animals.
Abstract
Juvenile white sturgeon were fed isonitrogenous diets containing 27.2% glucose, fructose, maltose, sucrose, lactose, dextrin, raw corn starch or cellulose for 8 wk. Growth, body composition, plasma chemistry (with the exception of glucose), and liver glucose-6-phosphate dehydrogenase (G6PDH, EC 1.1.1.49), malic enzyme (EC 1.1.1.40) and isocitrate dehydrogenase (ICDH, 1.1.1.42) activities of sturgeon were significantly (P less than 0.05) affected by the different dietary carbohydrate sources. Sturgeon fed either the maltose or glucose diets had the highest percent energy retained, followed by those fed either the dextrin, raw corn starch or sucrose diets, whereas those fed either the lactose, fructose or cellulose diets had the lowest. Sturgeon fed either the maltose or glucose diets were hyperlipidemic, having twice the amount of plasma total lipid, triacylglycerol and total cholesterol as fish fed the other carbohydrate sources. These two carbohydrate sources were also more lipogenic: maltose- or glucose-fed sturgeon had significantly higher body lipid and liver G6PDH, malic enzyme, and ICDH activities. The poor ability of sturgeon to utilize either sucrose or lactose appears to be due to low intestinal sucrase (EC 3.2.1.48) and lactase (EC 3.2.1.108) activities. Intestinal aminopeptidase (EC 3.4.11.11), maltase (EC 3.2.1.20), sucrase and lactase activities of sturgeon were not affected by feeding different carbohydrate sources for 8 wk.
PubMed: 2723821
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S S Hung<affiliation><nlm:affiliation>Department of Animal Science, University of California, Davis 95616.</nlm:affiliation>
<wicri:noCountry code="subField">Davis 95616</wicri:noCountry>
</affiliation>
Le document en format XML
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<series><title level="j">The Journal of nutrition</title>
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<term>Dietary Carbohydrates (metabolism)</term>
<term>Fishes (metabolism)</term>
<term>Intestines (enzymology)</term>
<term>Intestines (ultrastructure)</term>
<term>Liver (enzymology)</term>
<term>Microvilli (enzymology)</term>
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<front><div type="abstract" xml:lang="en">Juvenile white sturgeon were fed isonitrogenous diets containing 27.2% glucose, fructose, maltose, sucrose, lactose, dextrin, raw corn starch or cellulose for 8 wk. Growth, body composition, plasma chemistry (with the exception of glucose), and liver glucose-6-phosphate dehydrogenase (G6PDH, EC 1.1.1.49), malic enzyme (EC 1.1.1.40) and isocitrate dehydrogenase (ICDH, 1.1.1.42) activities of sturgeon were significantly (P less than 0.05) affected by the different dietary carbohydrate sources. Sturgeon fed either the maltose or glucose diets had the highest percent energy retained, followed by those fed either the dextrin, raw corn starch or sucrose diets, whereas those fed either the lactose, fructose or cellulose diets had the lowest. Sturgeon fed either the maltose or glucose diets were hyperlipidemic, having twice the amount of plasma total lipid, triacylglycerol and total cholesterol as fish fed the other carbohydrate sources. These two carbohydrate sources were also more lipogenic: maltose- or glucose-fed sturgeon had significantly higher body lipid and liver G6PDH, malic enzyme, and ICDH activities. The poor ability of sturgeon to utilize either sucrose or lactose appears to be due to low intestinal sucrase (EC 3.2.1.48) and lactase (EC 3.2.1.108) activities. Intestinal aminopeptidase (EC 3.4.11.11), maltase (EC 3.2.1.20), sucrase and lactase activities of sturgeon were not affected by feeding different carbohydrate sources for 8 wk.</div>
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