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 ...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.展开更多
[Objective] The aim was to study the optimal test condition for preparation of active peptides from corn and soybean by bi-enzyme hy- drolysis. [Metbod]Taking soybean peptide and corn peptide as materials, different c...[Objective] The aim was to study the optimal test condition for preparation of active peptides from corn and soybean by bi-enzyme hy- drolysis. [Metbod]Taking soybean peptide and corn peptide as materials, different concentrations of soy-corn protein isolate solution were pre- pared. Through pretreatment, and based on compound protease, flavor protease, neutral protease, papaya protease, pineapple hydrolysis, and by measuring the degree of hydrolysis activity and enzyme activity, tested enzyme was determined. Mixing two of those enzymes in certain proportion and by orthogonal test, the optimal condition of enzyme hydrolysis of a double was determined. [ Result] The optimal hydrolysis condition was 2% of substrate concentration, 1 ： 1of hydrolyze compound protease and flavor protease, and 8 h of hydrolysis time, 75.14% of DH. [ Condasien] The study provided a basis for the development and application of active peptides from corn and soybean by bi-enzyme hydrolysis.展开更多
文摘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.
基金Supported by Liaoning Education Bureau Scientific Research Support Fund(L2010203)Liaoning"Eleventh five-year plan"Education Science Fund Program(JG08DB133)The Seventh University Graduates Scientific Research Program of Liaoning Science and Technology University
文摘[Objective] The aim was to study the optimal test condition for preparation of active peptides from corn and soybean by bi-enzyme hy- drolysis. [Metbod]Taking soybean peptide and corn peptide as materials, different concentrations of soy-corn protein isolate solution were pre- pared. Through pretreatment, and based on compound protease, flavor protease, neutral protease, papaya protease, pineapple hydrolysis, and by measuring the degree of hydrolysis activity and enzyme activity, tested enzyme was determined. Mixing two of those enzymes in certain proportion and by orthogonal test, the optimal condition of enzyme hydrolysis of a double was determined. [ Result] The optimal hydrolysis condition was 2% of substrate concentration, 1 ： 1of hydrolyze compound protease and flavor protease, and 8 h of hydrolysis time, 75.14% of DH. [ Condasien] The study provided a basis for the development and application of active peptides from corn and soybean by bi-enzyme hydrolysis.
