113results about How to "No harmful residues" patented technology

A water ink based on the synthetic solid water acrylic resin is prepared through water-phase suspension copolymerizing reaction between acrylic acid monomer mixture and ammonium persulfate as trigger in water while stirring to obtain solid water acrylic resin, dissolving it in water, cosolvent, or amine, adding pigment, water and assistant, and grinding. Its advantages are high safety, adhesion and resistance to water and rubbing, not coloring, and low cost.

The invention provides a method for preparing colored empty capsules by employing natural colorants, and belongs to the technical field of preparation of empty capsules. The natural colorants mainly comprise natural mineral colorants and plant extract colorants. Colored gelatin empty capsules, enteric gelatin empty capsules, hydroxypropyl methylcellulose empty capsules, enteric hydroxypropyl methylcellulose empty capsules, pullulan polyose empty capsules, enteric pullulan polyose empty capsules, sodium alginate empty capsules and modified starch empty capsules are prepared by the method, and oxidation resistance and light resistance of various empty capsules are raised and the color of the capsules is stabilized and not easy to fade. The empty capsules can tolerate changes in pH and have high stability. Residual of harmful substances is reduced and the products are more stable, safer and healthier.

The invention relates to a making method of flavouring agent of fresh-cut rose and usage of the flavouring agent based on the fresh-cut rose with beautiful color and slight scent, which is characterized by the following: using beta-glycosides as the flavouring agent to synthesize aromatic substance through chemical method to add in water-based according to a proper density; absorbing the beta-glucosidase accompanied by absorption of water and nutrient into the fresh-cut rose; releasing the natural scent of rose and fruit of the aromatic substance to make the fresh-cut rose with fragrant flavour after hydrolyzing the beta-glycosides partially under effect of fresh flower endogenous glucosidase. The invention extends the life of bottle flower by addition of amylaceum of the fresh flower because of producing a large amount amylaceum after hydrolytic decomposition of the beta-glycosides, which displays characters of holding and extending the vital force of the fresh-cut rose.

The invention relates to an insectifuge and particularly relates to an environment-friendly insectifuge and a preparation method thereof. The environment-friendly insectifuge is prepared by garlic, pepper, melia azedarach fruit, dark plum fruit, Chinese torreya seed kernel, betel nut, radix sophorae flavescentis and antifeverile dichroa root. The insectifuge adopts natural plant fruits, is wide in material source, does not generate insecticide resistance in the plant body, has no harmful residue or obvious toxic and side actions and is an organic 'green' insect-repellent health-care product.

The invention discloses a traditional Chinese medicine micro-ecological preparation, and belongs to the technical field of veterinary traditional Chinese medicines and feed additives. The traditionalChinese medicine micro-ecological preparation is mainly prepared from the following raw materials in parts by weight: 2-10 parts of codonopsis pilosula, 2-10 parts of milkvetch root, 2-8 parts of poria cocos, 1-5 parts of medicated leaven, 1-6 parts of malt, 1-5 parts of hawthorn fruit, 1-3 parts of licorice root and 1-3 parts of betel nut; a bacterium solution comprises the following components in parts by volume: 1-3 parts of a lactobacillus acidophilus bacterium solution, 1-6 parts of an enterococcus faecalis bacterium solution and 1-8 parts of a bacillus subtilis bacterium solution, and the ratio of the total weight of the bacterium solution to the total weight of the raw materials is (1-5):(45-55). According to the traditional Chinese medicine micro-ecological preparation provided bythe invention, the eight pure natural Chinese herbal medicines are compounded with three probiotics to prepare the micro-ecological preparation which can generate various hydrolytic enzymes in animals, promote the decomposition of protein, starch, fat and hemicellulose, and facilitate digestion and absorption of nutrients in feeds.

The invention provides a carrot extract, which is prepared by taking carrots as raw materials, and subjecting the raw materials to dry processing, modulation treatment, solvent extraction, extracted solution concentration and other steps. The carrot extract has a liquid, paste or powder appearance. The modulation treatment method includes insolating, natural mellowing, fermentation, baking, ultraviolet treatment and ozone treatment. The carrot extract can be added as a spice or a mellowing agent into tobacco products, and can enhance the pure and mild degrees of tobacco fragrance, highlight the fresh and sweet fragrance of tobaccos, cover up offensive gas, reduce irritation and improve taste. The carrot extract can also improve the tobacco color, promote tobacco mellowing, and enhance the usability of upper tobaccos. The method involved in the invention performs modulation treatment to the carrot raw materials before extraction so as to promote the degradation conversion of saccharides, terpenoid substances like carotenoids and other fragrance precursors in carrots and the formation of fragrance, thereby significantly improving the use effects of the extract. The raw material utilization rate is high, and the process is simple. The product is free of harmful additive residue, and is safe to use.

The Chinese medicine cinnamom twig-poria dripping pill is prepared with medicinal component comprising cinnamom twig, poria, tree peony bark, red peony root or white peony root in 10-60 wt% and matrix in 40-90 wt%. The preparation process includes the main steps of: heating the supplementary material at 60-105 deg c to melt and mixing with medicinal component, making dripping pill with the mixed medicine liquid at 70-100 deg c in a dripping pill machine, cooling the dripping pill in coolant, eliminating coolant and selecting dripping pill. The present invention has the features of fast acting, reasonable compounding ratio, no harmful residue and stable product quality.

The invention belongs to the technical field of purifying agent, in particular to an environment-friendly nanometer purifying agent and a preparation method thereof, and the nanometer purifying agent is prepared from the following raw materials by mass percent: 50-75% of palygorskite, 10-30% of activated carbon, 5-25 % of aluminum sulfate, 5-10% of fatty acid polyethyleneglycol and 5-10% of silane coupling agent. The method comprises the following steps: putting the palygorskite in a bucket and adding dispersing agent polycaprolactone glycol ester and water to prepare the palygorskite pulp; dehydrating, drying and crashing and then baking, adding a silane coupling agent for mixing and stirring after baking, baking again after stirring; mixing the baked palygorskite with activated carbon evenly; adding water and the aluminum sulfate for pelleting; and finally drying to obtain a finished product. The invention has good process effect and low production and manufacturing cost, can achieve the aim of comprehensive treatment of various water resources and improving water circulation, and can be recycled.

The present invention provides a method for using plant oil after-cut fraction for production of green lubricating oil, and the process comprises the following steps: various main components are separated by distillation of plant crude oil, after-cut fraction and a residue accounting for 6-15% of the total tower kettle substrate are heated to about 150 to 200 DEG C in a vacuum distillation tower device for thermal insulation distillation for more than 30-40 hours under the condition of maintaining the vacuum degree in-0.98mpa, wherein the vacuum distillation tower device has the tower height of 7-15m, and the plate number of more than 100, and use a 80-100 mesh stainless steel filler, kettle bottom residual liquid is discharged after cooling, the kettle bottom residual liquid is placed for cooling to 50 DEG C to 60 DEG C, and filter with a 150 mesh filter screen to obtain plant oil distillation kettle bottom polymer, the green lubricating oil is prepared by further addition of composite additives, and the green lubricating oil is similar with mineral base oil in density, viscosity, flash point, pour point and other indexes, and is good in thermal stability, biodegradable, low-cost, and environment friendly.

The invention provides a method for extracting ethyl linolenate from blackberry seed oil. The method comprises the following steps: blackberry seed oil, absolute ethyl alcohol and sodium ethoxide are mixed in the mass ratio of 1: (0.6-0.8): (0.01-0.03) and added to an extraction kettle, the temperature and pressure of the extraction kettle are adjusted, and the mixture reacts; the temperature of the extraction kettle is adjusted to a set process parameter; the pressure of the extraction kettle is adjusted to a set process parameter, and extraction is started; meanwhile, an ultrasonic device is started, and ethyl linolenate is extracted from a sampling port of a distillation device. The method is reasonable in design and convenient to operate, blackberry seed oil is firstly subjected to ethyl esterification, then the traditional supercritical technology and a distillation technology are combined and used for direct extraction of ethyl linolenatefrom the blackberry seed oil, and ultrasonic waves are used for reinforcement in a purification process, so that not only is the technological process simplified, the extraction time is shortened, but also the purity of the obtained ethyl linolenate is high and can reach about 92% at the most, harmful residues are avoided, the activity is high, and foundation is laid for further extraction of linolenic acid oil.

The invention provides an organic planting method of fresh peaches, belonging to the technical field of fresh peach cultivation. The organic planting method comprises the following steps: (S1) selecting cuttings and disinfecting the cuttings, wherein the disinfectant is prepared from dried orange peel, angelica sinensis, honeysuckle flowers, cinnamon, fructus arctii, cortex phellodendri and platycodon; (S2) mixing nutrient soil, quartz sand, bentonite and humus to obtain cuttage grafting mixed soil; paving the mixed soil on a seedbed; inserting the cuttings into the mixed soil and compacting; and performing constant-temperature cultivation till transplanting; (S3) for one month before transplanting, ploughing the soil, applying an improver to the soil, and digging field planting pits; (S4) planting fresh peach seedlings into the field planting pits and fixing, watering and fertilizing; and (S5) performing management after the field planting. According to the organic planting method of fresh peaches provided by the invention, the survival rate of fresh peach seedlings is increased, the occurrence probability of pest and disease damage of fresh peach seedlings is reduced, and the planting method is environmentally friendly, safe and free from pollution and avoids harmful residue in soil.

The invention discloses a preparation method of low-molecular-weight pectin. According to the preparation method, pectin (Mw=7.9*10<6>) extracted from industrial water is taken as a raw material, an ascorbic acid-hydrogen peroxide redox initiation system is adopted, and meanwhile, the low-molecular-weight pectin is prepared through low-frequency high-energy ultrasound-assisted rapid degradation. The preparation method comprises the following steps: (1) dissolving pectin into sodium acetate buffer salt, adding hydrogen peroxide and ascorbic acid (1mM-100Mm), and carrying out ultrasonic treatment on a solution at 20-50 DEG C for 0-60 minutes, wherein the intensity of an ultrasonic field is 182W/cm<2>-545W/cm<2>; and (2) carrying out dialysis on the solution obtained in the step (1) for 3 days, and carrying out vacuum freeze-drying, so as to obtain the low-molecular-weight pectin. The preparation method is environment-friendly, can be used for rapidly degrading high-molecular-weight pectin and has important industrial application values, and conditions are mild; and meanwhile, the low-molecular-weight pectin prepared by virtue of the preparation method can be applied to the fields of health and medicines.

The present invention discloses a preparation method for a microencapsulated oral live vaccine of gosling plague. The preparation method comprises: preparing a gosling plague SYG strain into a vaccine half finished product by goose embryo proliferation culture; adding a 5% sucrose and skimmed milk solution after a sterility test is qualified, and uniformly stirring; adding 20-40% porous starch tothe half finished product solution, stirring for 20-40 minutes at a certain temperature, wherein the temperature is controlled to 37 DEG C; mixing the resulting liquid and a 1-2.5% sodium alginate solution, completely stirring, and then carrying out dehydration and drying by a fluidized bed to prepare the microencapsulated vaccine dry powder of the gosling plague, wherein the volume of the resulting liquid is the same as the volume of the sodium alginate solution. The method of the present invention ha characteristics of science, simpleness, stable and reliable production, less loss of vaccine titer. With adopting the vaccine microencapsulation technology, the live vaccine of the gosling plague can be adopted for immunization by the oral route, the stress reaction is reduced, the sustained release function is provided for the live vaccine of the present invention, and the breeder goose in the laying period can use the live vaccine as usual.

The invention discloses a laser rapid detection and sterilization integrated device and method for viruses and bacteria. The device comprises a laser, a light beam scanning element, a sample collection element, a micro-fluidic chip and a Raman spectrum detection platform. The laser comprises a laser generation source, a light splitting element and a frequency doubling element. A light beam emittedby the laser generation source forms two split light beams through the light splitting element, and one beam forms an excitation light source of the Raman spectrum detection platform. A sample is adsorbed and blocked by the nanotube assembly of the micro-fluidic chip according to the size from large to small to form a bacterial virus area classified according to the size; the excitation light source irradiates each bacterial virus area to obtain microbial identification information; and the other beam forms an ultraviolet laser beam through the frequency doubling element, and the ultravioletlaser beam flows to the beam scanning element. According to the invention, a closed-loop process of rapid detection, disinfection and disinfection and disinfection effect recheck of bacterial virusesis realized, the effectiveness of disinfection and disinfection is ensured, the disinfection and disinfection efficiency is high, the disinfection and disinfection are rapid and targeted, and the safety is high.

The invention provides a special traditional Chinese medicine polysaccharide feed additive for pets. The formula is selected from astragalus polysaccharide, polysaccharides from radix codonopsis, glycyrrhiza polysaccharide and vitamins; plant polysaccharide is one of the main active components of traditional Chinese medicine; vitamins are necessary substances for maintaining the normal growth and metabolism of animals; the combination of plant polysaccharide and vitamins has the effect of enhancing the anti-stress of pets in the high-temperature and low-temperature severe environments; by virtue of the combined utilization of rosmarinic acid, sodium tripolyphosphate, titanium dioxide, sorbitol, microcrystalline cellulose and vitexin, the anti-stress effect of astragalus polysaccharide, polysaccharides from radix codonopsis, glycyrrhiza polysaccharide and vitamins on pets can be improved, the survival rate of pets in severe environments can be enhanced, meanwhile the immune response capability of pets can be reduced, and the immune antibody level of pseudo rabies vaccines can be reduced. By virtue of a great amount of explorations, the problem of reduction of immune response capability of pets can be solved by combining the special preparation technology, and the immune antibody level of pseudo rabies vaccines can be improved.

The invention relates to a feed additive capable of enhancing immunity and relieving transport stress of fattening pigs as well as a preparation method and an application of the feed additive and belongs to the feed field. The feed additive is prepared from, in parts by weight, 0.4-2 parts of plant extracts, 10-30 parts of coconut oil, 3-15 parts of rare earth-chitosamine chelate salt, 3-15 partsof zinc lactate and 38-83.6 parts of a carrier. The plant extracts comprise a macleaya cordata extract and a herba epimedii extract. The feed additive is safe, harmless, small in dosage, low in cost and stable in effect. The preparation method of the feed additive comprises the step of mixing the components of the feeding additive. The preparation method is simple and good in condition controllability. The feed additive can effectively enhance the immunity and disease resistance of the fattening pigs, improve intestinal health of the fattening pigs and relieve transport stress reactions afterbeing applied to preparation of fattening pig feed to feed the fattening pigs.