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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 36 (1964), S. 249-250 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Entomologia experimentalis et applicata 27 (1980), S. 246-254 
    ISSN: 1570-7458
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé La teneur en triglycérides et la composition des acides gras des adultes d'Anthonomus grandis sont affectées par les taux d'amidon, de sucrose, de lipide et le taux d'acides gras des lipides des aliments. Les larves et les adultes ont été nourris sur régimes artificiels contenant 4% ou 8% d'amidon, 2% d'amidon et 2% de sucrose, 4% d'amidon et 4% de sucrose, 4% de sucrose et 4% d'“alphacel”, et enfin 4%, 8% et 12% de sucrose avec 0.1% de lipide. Des huiles de soja, d'arachide et de graine de lin à 0.1% et 0.5% ont été incorporées dans les aliments de A. grandis. Les lipides, les triglycérides, les acides gras des lipides des régimes alimentaires et des insectes ont été dosés. Les teneurs en lipides et triglycérides sont plus élevées avec des régimes contenant 4% ou plus de sucrose. Le taux et la nature de l'hydrate de carbone ont une influence significative sur la teneur relative en acide gras de l'insecte; par exemple des régimes à 4% d'amidon induisent respectivement des teneurs en acides palmitique, palmitoléique, stéarique, oléique, linoléique et linolénique de 8,9%; 0,5; 11,1; 30,0; 26,5 et 20,8%; tandis que des régimes avec 12% de sucrose donnent 21,7; 8,4; 6,7; 58,8; 1,8 et 2,2% pour les mêmes acides gras. Des régimes avec des teneurs croissantes en sucrose produisent des insectes avec des taux degressifs d'acides linoléique et linolénique.
    Notes: Abstract Variations in the amounts of sucrose, starch, lipid, and lipid with different amounts of fatty acids affect the amount of triglycerides and the composition of fatty acids found in the lipids of adult boll weevils, Anthonomus grandis Boheman (Coleoptera: Curculionidae). Artificial diets that contained 4% or 8% starch, 2% starch plus 2% sucrose, 4% starch plus 4% sucrose, 4% sucrose plus 4% Alphacel®, and 4, 8, or 12% sucrose with 0.1% lipid were used as larval and adult diets for the boll weevil. Soybean, peanut, and linseed oils at 0.1% and 0.5% were incorporated into diets for the weevil. Lipids were extracted from the diet and from the weevils, and the percent lipid, percent triglyceride, and composition of the fatty acids in the lipids were determined. The amount of lipids and triglycerides were greatest on diets with 4% or more sucrose. The amount and type of carbohydrate had a significant effect on relative fatty acid content of the weevil; for example, 4% starch diets produced 8.9%, 0.5, 11.1, 30.0, 26.5, and 20.8% of palmitic, palmitoleic, stearic, oleic, linoleic, and linolenic acids, respectively; diets with 12% sucrose produced 21.7, 8.4, 6.7, 58.8, 1.8, and 2.2% of palmitic, palmitoleic, stearic, oleic, linoleic, and linolenic acids, respectively. Diets with increased percentages of surcrose produced weevils with lowered percentages of linoleic and linolenic acids.
    Type of Medium: Electronic Resource
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