39results about How to "Reduced growth and reproduction" patented technology

The invention discloses a fresh keeping method for plum fruit, comprising the following steps: (1) immersing plum fruit in chitosan solution with a concentration ranging from 0.1g/100ml to 3.0 g/100ml at room temperature; (2) refrigerating the plum fruit immersed in step (1); (3) when entering into shelf life, keeping refrigerated plum fruit in an enclosed device, which contains 1-methyl cyclopropene gas with a concentration ranging from 0.5 mul/L to 5.0 mul/L, for 12-24 hours at room temperature; wherein, the concentration of 1-methyl cyclopropene gas is preferably in the range of from 1.0 mul/L to 2.0 mul/L. The fresh keeping method for plum fruit of the present invention has the advantages of high food health safety, simple application, easy spread, little investment but quick result, low price, broad market, notable economic and social profit etc, which is suitable for China and has great development and application value.

The invention belongs to the technical field of fresh keeping agents, aims to develop a composite fresh keeping agent including microorganism derived effective components and plant derived effective components, is used for fresh keeping and corrosion resistance for picked fruits and picked vegetables, and provides a microorganism and plant derived composite fresh keeping agent for fruits and vegetables. The composite fresh keeping agent is prepared from a component A and a component B, wherein the component A consists of microorganism fermentation fluid and a propolis extract, and microorganisms are bacillus amyloliquefaciens Lh-1, candida intermedia and cryptococcus laurentii; and the component B consists of plant derived effective component mixed liquor and film forming liquor, wherein the plant derived effective component mixed liquor is prepared by mixing a tree peony bark water extract with a citrus peel alcohol extract, a rabdosia rubescens alcohol extract, a radix zanthoxyli water extract, a lycium ruthenicum alcohol extract, a Chinese herbaceous peony water extract, a clinopodium chinense alcohol extract and a citronella water extract, and the film forming liquor is prepared by mixing konjac glucomannan with chitosan. Through the adoption of the composite fresh keeping agent, the fruits and the vegetables are furthest prevented from mildewing and rotting, the effects for preventing the fruits and the vegetables from postharvest diseases are enhanced, the moisture dissipation of the fruits and the vegetables is reduced, the storage time of the fruits and the vegetables is prolonged, and a certain economic value is created.

The invention belongs to the field of food and particularly provides a method for inhibiting pickled vegetables from mildewing. The method includes the following steps of 1, raw material preprocessing, wherein vegetables for being fermented are screened, cleaned, trimmed and cut; 2, sterilization treatment of a pickle jar, wherein the pickle jar is cleaned and subjected to sterilization treatment through alcohol with the mass concentration being 75% and hot water; 3, pickle brine manufacturing, wherein vegetables and water are added in proportion of 1:1, and a proper amount of salt, old ginger, bulbs of garlic and red pepper are added to the mixture, and the pickle brine is obtained; 4, leuconostoc mesenteroides sludge preparation and adding, wherein leuconostoc mesenteroides is picked and subjected to activation twice, bacterium suspension is obtained, the activity is larger than or equal to 107 CFU/ml, and the bacterium suspension is added to the pickle jar in the bacterial sludge state after centrifugation. By means of the method, growth and breeding of putrefying bacteria in the pickled vegetables can be rapidly and effectively lowered, and the problem of mildewing of the pickled vegetables is prevented; the fermentation time of the pickled vegetables is shortened; the safety and quality of the pickled vegetables are improved, and the flavor of the pickled vegetables is improved.

The invention discloses a preparation method of 2-phenethyl alcohol, comprising the following step of preparing 2-phenethyl alcohol in a fermenting way by the means that active dry yeast which can be used for oxidatively degrading alcohol is selected, L-phenylalanine is taken as a substrate, and the alcohol is taken as a sole carbon source. In the fermenting process, the temperature is controlled to be within the range of 25-38 DEG C, the rotation speed is controlled to be within the range of 100-800 rpm/min, the time is controlled to be within the range of 15-60 hours, the initial concentration of alcohol is controlled to be within the range of 2-30g/L, and the concentration of 2-phenethyl alcohol is controlled to be within the range of 0.68-3.81g/L after the fermentation is ended. The alcohol is oxidatively degraded by the active dry yeast and is further transformed into 2-phenethyl alcohol, the restraint of the high-concentration alcohol in fermentation liquor to the synthesis of the product 2-phenethyl alcohol is overcome, the probability of microbiological contamination in the process of biotransformation is reduced, the content of organic impurities in 2-phenethyl alcohol fermentation liquor is reduced, the use ratio of the carbon source is observably improved, and the preparation method has the characteristics of being convenient to operate, low in production cost, wide in industrialized application prospect, etc.

Disclosed is an externally-used medicinal liquor for treating bedsore and its preparing process, wherein the constituents of the medicament include (by weight ratio) centipede 20-40%, Chinese angelica root 10-30%, phellodendron bark 20-40%, and coptis root 10-30%. The medicinal liquor can be used for treating burns and scalds, eczema, dermitis and tinea.

The present invention discloses a preservation and fresh-keeping method for instant flour foods, belongs to the technical field of food, and relates to a preservation and fresh-keeping method for instant flour foods. The method is characterized in that: advantages of a food composite preservative and an antimicrobial freshness-keeping plastic film are combined; instant flour foods are sprayed with the composite preservative immediately after being finished; the composite preservative comprises 0.1-5% of epsilon-polylysine (with a polymerization degree of 15-35), 0.1-3% of Nisin, 0-25% of edible alcohol, 0.1-5% of sodium diacetate, 0.1-0.5% of natamycin and the balance of water; the using amount of the composite preservative is 0.1-2% by mass of the instant flour foods; the temperature is rapidly lowered to 20 DEG C or below; and the cooled instant flour foods are wrapped with a prepared antimicrobial freshness-keeping plastic film, wherein the production process of the antimicrobial freshness-keeping plastic film comprises steps of adding distilled water into a container, adding 0.5-1.5% of glycerol, 2.5-3.5% of polyvinyl alcohol and 0.1-1.0% of epsilon-polylysine, uniformly stirring the solution at 80-120 r/min, incubating the solution at 90-100 DEG C for 3-12 h until the solution becomes transparent and homogeneous, pouring the solution on a plate mold after vacuum degassing, and drying the solution at 20-60 DEG C to form a film. According to the present invention, the steps of performing rapid cooling after adding the composite preservative and wrapping the antimicrobial freshness-keeping plastic film can significantly extend the shelf life of the instant flour foods.

The invention provides a process method for producing a nitro fulvic acid compound fertilizer by virtue of a high tower. The compound fertilizer is prepared by virtue of a high-tower fusion-spraying granulation equipment system. The process method specifically comprises the steps of dissolving, mixing, reacting, granulating, cooling, sieving and enveloping, so as to obtain the finished nitro fulvic acid compound fertilizer. According to the process method, the problem that organic matters such as fulvic acid cannot be heavily added in the existing high-tower production process of the compound fertilizer is solved; and by utilizing novel raw materials and process, the effective content of fulvic acid in the nitro fulvic acid compound fertilizer produced by virtue of the high tower is more than or equal to 3.5%. The compound fertilizer produced by virtue of the process method contains the following components in parts by weight: 30-80 parts of a nitro-nitrogen fertilizer, 8-40 parts of a phosphate fertilizer, 0-50 parts of a potassium fertilizer and 9-25 parts of vitality elements. The compound fertilizer contains rich elements such as nitrogen, phosphorus and potassium, is capable of activating soil, can be directly absorbed and utilized by soil and can meet diversities of types, numbers and proportions of nutrients required by different crops.

The invention provides a planting method of clausena lansium trees, and belongs to the field of agricultural planting. The planting method includes the following steps that firstly, seeds of wild clausena lansium trees are selected to cultivate stock seedlings, one-year-old branches on the selected excellent seed trees serve as scions, the scions are grafted on the stock seedlings through the grafting technology, and after surviving, the stock seedlings become grafting seedlings; the grafting seedlings are transferred to planting holes to which base fertilizer is applied, and field managementis carried out until fruits are harvested. The base fertilizer is prepared from clausena lansium tree deadwood, peanut shells, rape seed cakes, furfural residues, vegetable sponge, shrimp shell meal,cow dung, night soil, jequirity extract, folium syringae extract and aconite extract through fermentation. By means of the planting method, the survival rate of clausena lansium tree plants can be increased, plant diseases and pests are avoided, meanwhile, the fertilizer is applied reasonably, the fertilizer is saved, soil of planting land can be improved, and the planting method is suitable for large-scale systematized planting.

The invention belongs to the field of fungal cultivation, and particularly relates to a potted planting method of Dictyophora rubrovolvata. The Dictyophora rubrovolvata can be factory-produced by adopting a potted method to cultivate and plant the Dictyophora rubrovolvata, so that the yield is improved, and a lot of land resources are saved. Through the preparation of cultivation soil, cultivationbulk materials and moisturizing gel, the quality of the Dictyophora rubrovolvata is good, the indusium is white, the stipe is smooth and plump, and the amino acid content can reach 347.59mg/100gFW, wherein the content of glutamic acid (Glu) is 155.37mg/100gFW.

The invention discloses an anti-continuous-cropping cultivation method for eucheuma melons. The device comprises the following steps of selecting an eucheuma melon variety, drying seeds in the sun, soaking the seeds, sowing the seeds into a nutrition pot filled with nutrient soil, raising seedlings in cold frames, taking out the seedlings from the soil, removing caps, and irrigating with biological agent fertilizer; ploughing the field to be planted in late autumn of the previous year, ploughing again in January to March of the next year, applying mixed fertilizer, ploughing, bedding, laminating, punching by a puncher, transplanting into holes, applying biological bacterial fertilizer liquid, and taking soil on site to seal roots tightly; building a shed frame, pulling seedlings after field planting to the shed frame, uniformly separating melon vines on the shed frame in a vine growing period, performing artificial supplementary pollination in a flowering period, applying fruit fertilizer when young fruits are born, and stopping irrigation in 1-2 weeks before melon picking; and performing pest control. The method is simple to operate, can prevent and treat adverse effects caused by continuous cropping of the eucheuma melons, improves the yield and quality of the eucheuma melons, and effectively solves the problems that in the prior art, the eucheuma melons are not resistant to continuous cropping, large in chemical agent dosage, poor in yield and quality and the like.

The invention belongs to the technical field of feed preparation, and discloses a compound additive for preparing high-moisture silage as well as a preparation method and application of the compound additive. The preparation method of the compound additive for preparing the high-moisture silage comprises the following steps: crushing and pulping soaked corn, adding alpha amylase, adding glucoamylase, performing concentrating under reduced pressure to obtain enzymolysis concentrated sugar liquor; mixing the enzymolysis concentrated sugar solution with corn steep liquor, and adding zymophyte toobtain amino acid fermentation liquor; mixing copper sulfate with manganese sulfate, zinc sulfate, potassium iodide and calcium carbonate to obtain a trace element chelating agent; and mixing lactic acid bacteria fermentation liquor with the amino acid fermentation liquor, adding bacillus subtilis, a 30% acetic acid solution, saccharomyces cerevisiae and cellulase, and adding the trace element chelating agent while stirring. After being mixed and ensiled with a feed, the feed additive provided by the invention has the advantages of being good in palatability and capable of promoting feed intake and digestibility of cattle and sheep.

The invention relates to the technical field of traditional Chinese medicines and particularly relates to an antibacterial traditional Chinese medicine composition and application thereof. The traditional Chinese medicine composition is prepared from 1-10 parts of sappan wood extract, 1-3 parts of carbonized sanguisorba root extract, 1-10 parts of rose flower extract, 1-5 parts of teucrium viscidum extract, 1-5 parts of carbonized madder root extract, 1-5 parts of hawthorn fruit extract and 1-5 parts of fried tribulus terrestris extract. The traditional Chinese medicine composition has a veryremarkable inhibition effect on acinetobacter baumannii, can play a synergistic effect with antibiotics such as imipenem and minocycline, and remarkably improves the treatment effect on acinetobacterbaumannii infection.

The invention discloses a fresh keeping device of prawns. The fresh keeping device comprises a box body 1, and a controller 8 connected with the side surface of the box body 1, wherein the top of the box body 1 is connected with a box cover 2; a plurality of air slow release bags 4 are arranged on two sides of the box body; an air detection probe 7 and an air hole 9 are arranged/formed on/in one side with fewer air slow release bags 4, of the box body; the other end of the air hole 9 is connected with an air pumping device 10, and the other end of the air pumping device 10 is connected with the controller 8; and a one-way valve 3 is connected to each air slow release bag 4, an air tank 5 is connected to each one-way valve 3, and each air tank 5 is connected with a pressurizing device 6 which is connected with the controller 8. The fresh keeping device disclosed by the invention has the beneficial effects that air ingredients and percentages thereof in the box body 1 can be automatically adjusted, the situation that the air-adjusted environment in the box body is maintained in a range suitable for fresh keeping of the prawns can be guaranteed, fresh keeping air can be saved, the fresh keeping device is green, environmental-friendly and good in sealing properties, and the fresh keeping period of the prawns can be prolonged.