13 results about "Mineral absorption" patented technology

The application belongs to the technical field of biology and specifically relates to a casein phosphopeptide for promoting calcium, iron and zinc mineral absorption and improving bone health. The application obtains the casein phosphopeptide containing high-activity peptide segments by optimizing the process, and takes six mineral elements of calcium, magnesium, copper, iron, zinc and manganese as research objects. Firstly, the mineral deficiency rat model is used to evaluate the mineral utilization of the CPP. The consumption of 7mg / kg.d increases the contents of Ca, Mg, Cu, Fe, Zn and Mn in femur by 7.12%, 3.56%, 20.76%, 15.84%, 9.94% and 67.12% respectively. Secondly, the molecular docking technology is used to screen the peptide segments with calcium absorption activity from the CPP and perform function verification. The application aims to reveal the effect of the CPP in the mineral absorption and utilization from the cell and animal levels, and provide a theoretical basis for the functional development.

The invention discloses a mineral identification method and system based on an infrared spectrum. The method comprises the following steps: acquiring a mineral spectrum of a to-be-identified sample; processing the mineral spectrum to obtain wavelengths, absorption depths and prominences of a plurality of absorption peaks of the sample to be identified; aiming at each absorption peak P of the sample to be identified, using wavelength as key input, querying in the standard mineral spectrum query tree to obtain a plurality of standard mineral absorption peaks in a preset value x range, and screening to obtain a standard mineral absorption peak RP closest to the query wavelength; according to the screened standard mineral absorption peak RP, obtaining all standard minerals possibly corresponding to the to-be-identified sample; if all the characteristic absorption peaks of a certain standard mineral correspond to each other in the to-be-identified sample, adding the standard mineral into a list of candidate minerals of the to-be-identified sample; and identifying the main mineral of the sample to be identified from the candidate mineral list. According to the invention, the expandability and reliability of the mineral identification method are greatly improved.

The application belongs to the technical field of biotechnology, and particularly relates to a milk-derived pentapeptide for promoting absorption of calcium mineral and application thereof. The application obtains a CPP containing a high-activity peptide segment by optimizing a process, and verifies the influence of the CPP on mineral absorption by using a zebrafish model. Afterwards, a pentapeptide GPFPI with the activity of promoting calcium absorption is screened from the CPP by combining peptidomics and molecular docking technology and function verification is performed, and it is found that the pentapeptide can effectively promote Ca 2+ transport in a dose-dependent manner, and the Ca 2+ transport is increased by 23.23%, and the zebrafish experiment shows that the intervention of GPFPI effectively reverses the decrease of the cumulative optical density value caused by dexamethasone, and compared with the modeling group, the cumulative optical density value of the skull of the GPFPI (2-20 μM) treatment group is significantly increased. 2+ Therefore, the synthetic peptide GPFPI can effectively promote Ca 2+ transport and absorption, improve the osteoporosis symptoms of zebrafish, and increase the deposition of calcium in the bone.

The invention discloses a special polyhedral abrasive material for mines and a smelting and quenching process thereof, and relates to the technical field of abrasive materials, and the special polyhedral abrasive material comprises the following chemical components in percentage by mass: 2.0-3.0% of C, less than or equal to 1.2% of Si, 0.5-0.9% of Mn, 10-12% of Cr, less than or equal to 0.06% of S, less than or equal to 0.10% of P and the balance of Fe and inevitable impurities. The preparation method comprises the following steps: smelting at the temperature of more than or equal to 1500 DEG C, deoxidizing an aluminum ingot, pouring at the temperature of 1380-1480 DEG C, and then adopting a four-temperature-zone sectional quenching process (carrying out gradient heat preservation for 10 hours at the temperature of 550-600 DEG C to 950-980 DEG C and quenching for 21 minutes) to ensure that the surface hardness of the material is more than or equal to 58 HRC and the core-surface hardness difference is less than or equal to 1 HRC; the material is of a polyhedral structure, changes the traditional point / surface contact mode of cast balls and steel forgings, realizes uniform contact with materials, effectively reduces ore pulp argillization and material over-grinding, remarkably improves the mineral separation grade and mineral absorption rate, and is excellent in wear resistance and suitable for mineral separation grinding operation of mines.

The invention relates to the technical field of probiotic preparations, and particularly discloses a multifunctional probiotic preparation and a preparation method thereof. According to the invention, bifidobacterium animalis Bb-12, lactobacillus rhamnosus GG and phytobacterium plantarum LP are compounded, the three strains have a synergistic effect to realize comprehensive intestinal regulation, modified chitosan is adopted as a coating, a compact structure of a covalent skeleton formed by cross-linking genipin, amino acid and casein phosphopeptides are complexed step by step, gastric juice erosion can be resisted, and the intestinal tract can be fully regulated. Thalli are prevented from being damaged by gastric acid; the amino acid in the coating layer improves the intestinal mucosa adhesion ability of the probiotics, and the casein phosphopeptides promote mineral absorption and cooperate with the probiotics to further strengthen the intestinal regulation effect.

The invention belongs to the technical field of biology, and particularly relates to casein-sourced heptapeptide for promoting calcium mineral absorption and application of the casein-sourced heptapeptide. The CPP containing the high-activity peptide fragment is obtained through an optimization process, and the influence of the CPP on mineral absorption and conversion is evaluated by utilizing a mineral deficiency rat model; then heptapeptide with calcium absorption promoting activity is screened from the CPP in combination with peptidomics and molecular docking technologies, functional verification is carried out, it is found that when the GPFPIIV is 2 mu M, the Ca < 2 + > transport amount is remarkably increased by 21.21%, meanwhile, zebra fish experiments show that intervention of the GPFPIIV effectively reverses accumulated optical density value reduction caused by dexamethasone, and compared with a module making set, the method has the advantages that the effect is good, and the effect is good. And the skull accumulated optical density value of a GPFPIIV (20 mu M) processing group is obviously increased. It is shown that GPFPIIV can effectively promote Ca < 2 + > transfer and absorption, improve the osteoporosis symptom of zebra fish and increase deposition of calcium in bones.

Provided herein are probiotic compositions and methods for treating animals or humans, or human or animal feed, or a surface in contact therewith comprising: feeding or providing a feed, supplement, additive, or food to animals or humans with a composition comprising one or more probiotic bacteria, supernatant, extract, broth, or fermentate thereof, selected from L28, L3AL3 A, L20-B, J7, J14, J27, J43, J16, J34, J25, L5-A and J19 provided in an amount sufficient to be at least one of: bactericidal against bacteria selected from at least one of: spore-forming bacteria, gram positive bacteria, gram negative bacteria, or combinations thereof, in animal or human intestines, improve gut structure, reduce gut inflammation, improved nutrient digestibility, improve mineral absorption and growth performance, reduce carriage, reduce fecal shedding, or reduce gut infection and inflammation.

The invention belongs to the field of nutriology, and particularly relates to a plant lactobacillus NuPlus-8 capable of synergistically promoting absorption of multiple mineral substances, a product and application. The plant lactobacillus NuPlus-8 disclosed by the invention is derived from healthy breast milk, has good acid-resistant and cholate-resistant characteristics, and can survive and keep activity in related environments of intestinal tracts. The strain has the effect of synergistically promoting absorption of eight nutrient substances including calcium, magnesium, zinc, selenium, iron, phosphorus, vitamin D and protein, and meanwhile promotes skeletal development; phytase can be secreted, phytic acid-mineral compounds can be degraded, combined calcium, magnesium, zinc, selenium, iron and phosphorus can be released, and the solubility and the availability of mineral substances can be improved; and transmembrane transport and absorption of intestinal epithelial cells to various minerals, VD and amino acids are significantly improved. The strain has a unique physiological function of synergistically promoting multi-nutrient absorption, can be used in products for improving nutrient absorption and utilization efficiency, and has remarkable application value and industrial prospect.

The application discloses a strain of Concretic Hendonexis CCFM1541 capable of promoting intestinal mineral absorption and improving intestinal flora, and a postbiotic thereof, and belongs to the technical field of microorganisms for promoting zinc and calcium absorption and improving intestinal flora. The Concretic Hendonexis CCFM1541 in the application can promote the increase of zinc and calcium absorption of mice, and improve intestinal flora, and the specific embodiments are as follows: (1) restoring the organ index, serum zinc and ALP content of mice, and regulating the expression of zinc-related transport genes in the small intestine; (2) improving the serum calcium and ALP content of mice, restoring the length, diameter and weight of femur, and effectively promoting bone formation and optimizing the trabecular microstructure; (5) effectively reversing the decrease of intestinal flora diversity and structural disorder induced by antibiotics, and restoring the intestinal microecological homeostasis. Therefore, the Concretic Hendonexis CCFM1541 has great application prospect in promoting intestinal mineral absorption and regulating intestinal flora.

The application belongs to the technical field of biotechnology, and particularly relates to a casein-derived heptapeptide for promoting calcium absorption and utilization and application thereof. The application obtains a CPP containing a high-activity peptide segment by optimizing a process, and uses a mineral-deficient rat model to evaluate the influence of the CPP on mineral absorption and conversion; then, a heptapeptide with calcium absorption activity is screened from the CPP by combining peptidomics and molecular docking technology and function verification, and it is found that VAPFPEV significantly increases the Ca 2+ transport amount by 25.25%, and zebrafish experiments show that the intervention of VAPFPEV effectively reverses the decrease in cumulative optical density value caused by dexamethasone, and compared with the modeling group, the cumulative optical density value of the skull of the VAPFPEV (1-20 μM) treatment group is significantly increased. 2+ VAPFPEV can effectively promote Ca transport and absorption, improve the osteoporosis symptoms of zebrafish, and increase the deposition of calcium in the bone.

The invention discloses a preparation method of a strontium-enriched probiotic beverage, and relates to a preparation method of a beverage. The invention aims to improve the utilization rate, flavor and taste of strontium in the drink. The preparation method comprises the following steps: 1, preparing strontium-enriched bacterial powder; 2, preparing cranberry extract powder; and 3, preparing the beverage. The lactobacillus plantarum can adjust the intestinal flora structure, repair the integrity of the intestinal barrier and improve the nutrition absorption environment. Lactobacillus plantarum and mineral absorption have a synergistic effect, the bioavailability of minerals can be improved by activating related signal channels, and a microbial carrier basis is provided for efficient absorption of strontium. The strontium-rich lactobacillus plantarum developed by the invention has definite market rationality and technical feasibility, and by introducing the cranberry component, the product value can be further upgraded. The cranberries serve as high-quality berry resources rich in anthocyanin and have an extremely high anti-oxidation effect, the anti-oxidation characteristic can assist in relieving oxidative stress reactions related to abnormal bone metabolism, and the cranberries and the bone protection function of strontium complement each other.

The invention provides a corn steep liquor protein solution and a preparation method thereof. Firstly, a treatment method of the corn steep liquor residual liquid subjected to protein separation treatment is developed, and the treatment method comprises the step of treating the corn steep liquor residual liquid by adopting a composite column with a molecular sieve layer as an upper layer and a cation exchange resin layer as a lower layer. According to the scheme, the ash content can be remarkably reduced while protein is not lost. The invention further provides a method for preparing the corn steep liquor protein solution, which comprises the steps of removing phytic acid from the corn steep liquor, treating residual liquid of the corn steep liquor and recovering protein, and in a product, on a dry basis, the phytic acid is less than or equal to 1 percent, the ash content is less than or equal to 1 percent, the protein content is more than 65 percent, the phytic acid clearance rate is more than 90 percent, the ash content clearance rate is more than 95 percent, and the protein extraction rate is more than 80 percent. The protein content is increased while the phytic acid content and the ash content in the corn steep liquor are remarkably reduced, the problem that the corn steep liquor affects mineral absorption and palatability of animals can be solved, and high-value utilization of the corn steep liquor is achieved.

The invention discloses a nutritional composition for promoting absorption of amino acid and mineral substances and application, and belongs to the technical field of food. The nutritional composition provided by the invention comprises alpha-lactalbumin, casein phosphopeptides (CPP) and / or 2 '-fucosyllactose (2'-FL), can effectively promote the absorption of an organism to amino acids and minerals, and especially can significantly improve the absorption efficiency by enhancing the transmembrane transport capability of intestinal cells to amino acids and minerals.