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Escamoles Ant Eggs Liometopumapiculatumm Source of Metal Ions for human health

Journal of Chemistry and Chemical Engineering 2013年第6期7卷 556-559页

作者： Virginia Melo Concepcion Calvo Tomas Quirino Susana Macin Ileana Muniz Universidad Autonoma Metropolitana-X. Coyoacan 04960 Mexico Instituto Nacional de Ciencias Medicasy Nutricion SZ Vasco de Quiroga 14. Tlalpan 14000 Mexico

The earth crust is believed to be made of a mass of minerals and is matched by their importance in human life. The human body, depend like other leaving organisms, on several minerals as essential constituents of its existence. Metal ions in foodstuff are in different chemical forms, as inorganic salts or organic molecules or complexes with other compounds such as proteins, amino acids, enzymes and some vitamins, among others, that play an important role in human health. Entomophagy, insect consumption by several ethnic groups in Mexico as cultural tradition since prehispanic era represent an option for population to obtain the minerals needed by the body to keep a good health. Escamoles ant eggs of the Liometopumapiculatum M genus, much appreciated either at rural communities as well as in urban cities, contain minerals with a favorable effect in human health. The aim of this study was to investigate the mineral composition of Escamoles and the benefits which can provide to the human body. Sampling was at an arid region of the Hidalgo state on April 2012. Minerals in dry basis, determined by atomic absorption spectrophotometry, with the exception of phosphorus content, obtained from a triple acid digested extract and determined colorimetrically. Data of mineral analysis in dry basis of Escamoles were： total minerals 5.92%; Na 0.079%; K 0.075%; Ca 0.097%; P 0.701%; Fe 0.021%; Zn 0.035% Cu 0.009%; Mg 0.998%; Mn 0.002%. Minerals quantify are not equal to total ash contained because not all of them were assess determined. Elements concentration depends not only on the total mineral composition of foodstuff the inorganic or organic form or interaction among metal ions, but also on their availability and avail of them. Minerals in Escamoles ant eggs have a considerable influence in the condition of human health.

关键词： Escamoles ant eggs metal ions human health.

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Lipids Data Composition of Edible Ant Eggs Liometopum apiculatum M. Escamoles

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Journal of Life Sciences 2013年第5期7卷 547-552页

作者： MeloRuizVirginia Sanchez Herrera Karina Sandoval Trujillo Horacio Quirino Barreda Tomas Calvo Carrillo Concepcion Departamento de Sistemas Biol6gicos Universidad Aut6noma Metropolitana Unidad Xochimilco D. F. C.P. 04960 Mdxico Departamento de Nutricion Animal Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran D.F. C.P. 14000 Mdxico

Escamoles ant eggs of Liometopum apiculatum M., specie of edible insects, reproduced under the ground in desert regions nearby cactus plants at spring season, are high demand in Mexico by sensory characteristics of flavor and texture, and consumed as cultural tradition by different social groups, in rural communities and in luxury restaurants of urban cities. Insects source of macro and micronutrients were collected in Mexico State in April 2006 to be studied and analyze samples to generate composition data. Fat of dry insects was extracted in a Soxhlet equipment; iodine value was examined by the Hannus method to determine degree of unsaturation; saponification value with chemical method to separate non-saponificable fats. Saponificable lipids were determined by gas chromatography apparatus to define the fatty acids profile. Data show： total lipids 32.17%, linoleic 67.66%, linolenic 2.61%o and arachidonic 0.16% acids of the saponificable fraction. Escamoles to be consumed up to three months after collection should be storage refrigerated, for longer intake frozen. Because of high content of linoleic C18：2w6, low of linolenic C18：3w3, eicosapentanoic C20：5w3 and arachidonic acid C20：4w6, natural in escamoles, they present high stability. In conclusion escamoles could be an important source of fatty acids for human health.

关键词： Escamoles ant eggs fatty acids human health.

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