276results about How to "High in starch" patented technology

A biodegradable polymer includes a) 20 to 60% of a mixture of starch and/or a modified starch, b) 8 to 22% of starch plasticisers and processing agents c) 30 to 70% of one or more biodegradable aliphatic polyesters d) 1 to 10% of a layered silicate clay mineral. The silicate mineral is an organoclay which has been formed by reacting clay with an intercalating chemical to compatibilise it with the polymers so that the clay is exfoliated and makes the blend amorphous. The polymers may also include the usual additives including e) from 0 to 20% by weight of a polyol plasticiser f) from 0.1 to 1.5% by weight of a C12-22 fatty acid or salt or a destructing agent preferably urea and/or urea derivatives, and g) from 0 to 12% by weight of added water. The polyester may be modified by reaction with maleic anhydride.

A process for the production of hydrogen, comprising the steps of: (i) providing a photosynthetic microorganism having electron transfer capability through a photosynthetic “light” reaction pathway and through a respiratory electron transfer chain involving an oxidative phosphorylation pathway, and which expresses a hydrogenase, wherein regulation of the oxidative phosphorylation pathway is disrupted with the result that electron flow along the respiratory electron transfer chain toward cytochrome oxidase (complex IV) is reduced; ii) culturing the microorganism under microoxic and illuminated conditions; and (iii) collecting evolved hydrogen.

Methods and compositions for modulating plant development are provided. Nucleotide sequences and amino acid sequences encoding Ovule Development Protein 2 (ODP2) proteins are provided. The sequences can be used in a variety of methods including modulating development, developmental pathways, altering oil content in a plant, increasing transformation efficiencies, modulating stress tolerance, and modulating the regenerative capacity of a plant. Transformed plants, plant cells, tissues, and seed are also provided.

The invention relates to a high-starch-content waterproof totally-decomposed composite material and a preparation method thereof. The method comprises the steps of: firstly dispersing nanosilicon dioxide particles in a plasticizer in advance to obtain nano sol; secondly, evenly blending the sol and starch in a high-speed mixer, and then kneading the mixture together with polyvinyl alcohol in a kneading machine to obtain starch-based master batch; and finally carrying out melt blending on the starch-based master batch and polylactic acid through one of or a combination of more of an open mill, an internal mixer and an extruder to obtain the high-starch-content waterproof totally-decomposed composite material. Compared with the ordinary biology-based composite material, the high-starch-content waterproof totally-decomposed composite material is high in starch content, low in cost, and good in ingredient compatibility, the mechanical property and waterproof property of the material can be both obviously improved, and all ingredients can be totally decomposed, so that the excellent sustainable development characteristic can be achieved; and meanwhile, the high-starch-content waterproof totally-decomposed composite material can be machined by adopting die pressing, extrusion, injection molding and other technologies on general plastic machining equipment.

The invention belongs to the technical field of high molecular materials, and relates to a high-starch full biodegradable composition and a preparation method thereof. The high-starch full biodegradable composition comprises the following components in parts by weight: 10-80 parts of full biodegradable thermoplastic starch masterbatches, 20-90 parts of biodegradable polyester and 0.3-5 parts of compatilizers. The full biodegradable composition provided by the invention has the advantages of high starch content and good compatibility of starch and a substrate and ensures the mechanical property the material in a long-time storage process; a film product prepared by using the composition can be greatly reduced in cost.

Gluten-free formulations for the production of gluten-free bakery products. The formulations comprise gluten-free starch or starches which mimic the starch particle size found in wheat. The formulations can used to prepare bakery products such as breads and cakes.

The invention provides a preparation method of a starch-base biodegradation material. The starch-base biodegradation material is characterized by comprising the following raw materials in parts by weight: 70-85 parts of starch, 0.05-0.5 part of amylase, 1-11 parts of acetylating agent, 4-11 parts of plasticiser, 3-6 parts of hydrophobic modifier and 5-20 parts of biomass polymer. The preparation method comprises the following step of: (1) adding water into the starch, and adding amylase, and stirring for gelatinization; (2) adding the acetylating agent into the product in step (1), and stirring for reaction; (3) adding the plasticiser into the product in step (2), and to continuously stirring; (4) adding the hydrophobic modifier into the product in step (3), and continuously stirring to obtain starch gel; (5) adding the biomass polymer into the starch gel in the step (4), uniformly mixing, and delivering the uniform mixture into a twin-screw extruder to extrude and granulate. The invention has the advantages of simple operation, stable technology, low cost and high efficiency, and the obtained product has the advantage of good film forming property, mechanical property, water resistance property and degradation property.

The invention provides a preparation method of an earthworm liquid organic fertilizer, which utilizes living earthworms to prepare organic liquid fertilizer; the preparation method comprises the following steps: (1) uniformly pulping the living earthworms in an electric stirrer to obtain earthworm serous fluid; (2) placing the earthworm serous fluid into a fermentation kettle, and then fermenting; (3) filtering the fermented earthworm serous fluid to obtain solid residues and earthworm liquid, wherein the solid residues are used as a solid earthworm fertilizer; (4) placing the earthworm liquid obtained in the step (3), fulvic acid, amino acid, sugar residues, fermentation group, urea and bran material into a fertilizer preparation kettle, and fermenting; and (5) filtering products after fermentation, and packaging filtrate. Compared with the prior art, the earthworm liquid organic fertilizer prepared by the preparation method disclosed by the invention improves ability of mud for retaining nutrients and moisture, so that applied fertilizer is reduced, nutrients are prevented from running off on the ground, utilization efficiency of fertilizer is improved, plant yield is improved, and guarantee period is prolonged.

The invention relates to a starch and polylactic acid composite material and a preparation method thereof. The composite material comprises, by weight, 20 to 75 parts of modified starch, 10 to 65 parts of polylactic resins, 2 to 10 parts of hydroxy-terminated lactic acid oligomer with molecular weight of 800 to 2000, 1 to 10 parts of plasticizers, 0.1 to 1.0 part of aliphatic chain extenders, 0.5 to 2 parts of talcum powders and 0.1 to 3 parts of auxiliaries. The preparation method includes that firstly the modified starch, the polylactic acids, the hydroxy-terminated lactic acid oligomer, the plasticizers, the talcum powders, lubricating agents and coupling agents are blended together in a homogenizer to obtain a blend, and then a mixed material of the blend and the chain extenders is added in a twin-screw extruder to be subjected to melt extrusion, cooling and granulation to obtain the starch and polylactic acid composite material. The starch and polylactic acid composite material has the advantages that the compatibility, toughness and heat resistance are good, the cost is low, the biodegradation can be completely achieved, the preparation technique process is simple, the 'three wastes' emission is absent, and the mass production can be achieved.

A coated roll printing paper for printing with the cold-set offset-printing process is described, which gives a printing result comparable with that of low-weight coated matte grades. The paper is characterized by a high proportion of a fine calcium carbonate in the coating pigment, and a relatively low proportion of highly active binders.

The invention discloses a planting method of Pueraria root. The planting method includes the steps of (1) growing seedlings; (2) selecting lands; (3) performing transplanting; (4) checking the seedlings and filling the gaps with the seedlings; (5) performing weeding and fertilizing; (6) setting supports with height of 2.5-3m spaced with 0.8m; (7) reserving 4-5 main vines of each Pueraria root with lateral branches and buds cut; (8) cutting vines and digging roots in autumns and winters. According to the planting method, the lands are scientifically selected, and base fertilizer application, top dressing are reasonable, and absorption of the Pueraria root is facilitated to achieve rapid thriving of the Pueraria root with excellent root size, and potassium sulfate and calcium superphosphate are applied to facilitate germination; the Pueraria root is rapid to grow and high in quality and yield. Starch content of the Pueraria root reaches 26-27% and is greatly higher than that of wild pueriara root with 12-15%. Puerarin content of the Pueraria root reaches 2.0-2.3% and is higher than that of the wild Pueraria root with 1.4-2.0%. The Pueraria root yields 2200-2400kg/mu.

The invention relates to a feeding type automatic lotus root slicing machine, in particular to novel lotus root processing equipment. The feeding type automatic lotus root slicing machine consists of a frame, a lotus root conveying unit, a lotus root clamping unit, a lotus root slicing unit and a lotus root slice collecting unit, wherein the lotus root conveying unit and the lotus root clamping unit are embedded together; and the lotus root clamping unit is contacted with a conveying belt on the lotus root conveying unit through a roller on a pressurizing chuck, so that processed lotus roots can be smoothly fed in the lotus root slicing unit through the lotus root conveying unit. The lotus root slicing unit is positioned at the tail end of the lotus root conveying unit; and the lotus root slice collecting unit is positioned rightly below the lotus root slicing unit. The feeding type automatic lotus root slicing machine adopts the pressurizing chuck to perform the point clamping for the lotus roots through flexible transition of the conveying belt, the lotus root conveying unit and the lotus root clamping unit are embedded together, and the lotus root conveying unit and the lotus root slicing unit are linked, so that the structure is compact, and the stability is enhanced; and all the component units of the whole machine are higher in working coordination degree, facilitate automatic production control, are excellent in use effect, and are strong in practicability.

The invention relates to high-efficiency microbial organic fertilizer prepared from methane slag. The high-efficiency microbial organic fertilizer mainly comprises methane slag, plant growth regulator, microbial functional bacteria, binder and disintegrating agent which are used as active ingredients. The high-efficiency microbial organic fertilizer comprises the following components in percentage by weight: 30.0 to 85.0 percent of methane slag, 0.001 to 3.0 percent of plant growth regulator, 0.1 to 1.0 percent of microbial functional bacteria, 0.5 to 1.0 percent of binder and 3.0 to 10.0 percent of disintegrating agent and the balance of other aids and fillers which are allowable and acceptable in chemical fertilizer and pesticide. The high-efficiency microbial organic fertilizer is abundant in organic matters, amino acid, nitrogen, phosphorus, potassium, trace elements and the proper plant growth regulator, and can obviously improve fertilizer efficiency of the methane slag, reduce the using amount of the methane slag, regulate growth of potatoes, obviously increase the yield of the potatoes and improve the quality of the potatoes. The high-efficiency microbial organic fertilizer is mainly applied to planting of the potatoes, Chinese medicinal materials and vegetables.

The invention provides a completely biodegradable combination which comprises the following components: a natural biopolymer occupying 5-70 percent of the total weight of the combination, a biodegradable polymer occupying 5-90 percent of the total weight of the combination, an interface reinforcing agent occupying 3-20 percent of the total weight of the combination, a plasticizer occupying 5-50 percent of the weight of starch and the balance of other processing additives acceptable to a plastic processing technology, wherein the natural biopolymer is the starch or modified starch, the biodegradable polymer is synthesized polyester, the interface reinforcing agent is thermoplastic hydroxylation polyester, and the compound plasticizer is compounded by glyceride of hydroxyl diacid and glycerol. The biodegradable combination has the advantages of higher starch content and good mechanical properties. The invention also provides a preparation method and application of the combination in preparing a plastic product.

The invention provides a method for preparing a degradable mulching film by taking potato starch as a raw material, relating to the field of degradable plastics. The method is provided for solving the problem of environmental pollution caused by the existing plastic mulching film. A completely-degradable film material is obtained from potato starch, polyvinyl alcohol, a plasticizer, a cross-linking agent and the like by blending, cross-linking reaction and then casting film formation or extrusion film formation; and the method is characterized in that specific conditions are used in the preparation process, such as the raw material composition, the weight parts of each component and the reaction conditions. By taking potato starch as a major raw material or directly using potato as a raw material, the method provided by the invention realizes uniform film formation, realizes the mechanical properties of a common polyethylene film, and can be used for degrading the mulching film material; and moreover, the preparation technology is simple, and the method has great popularization values.

The invention discloses a fully-biodegradable material as well as a preparation method and application thereof. The fully-biodegradable material is prepared from the following raw materials in percentage by weight: 15%-70% of polylactic acid, 20%-50% of starch, 3%-65% of a copolymer of butanediol adipate and butanediol terephthalate, 1%-10% of polylactide polyol, 0.1%-5% of a titanate coupling agent and 0-5% of an aid. The fully-biodegradable material has excellent mechanical property, can be biologically degraded and is relatively low in cost. The preparation method can be easily implemented by virtue of existing high-speed mixing equipment and double-screw extruders. The fully-biodegradable material has excellent and stable performance, can be biologically degraded, is relatively low in cost and is applicable to the fields of plastic packaging materials, agricultural plastic mulching films, disposable tableware and the like.

The invention provides a starch full-biodegradable resin and a continuous preparation method thereof. The starch full-biodegradable resin comprises the following components in parts by weight: 100 parts of high amylose, 0.05-0.10 part of catalyst, 0.1-0.15 part of initiator, 3-5 parts of organic monomer and 65-170 parts of biodegradable resin. The starch full-biodegradable resin is high in starch filling content and excellent in mechanical property and secondary processability, and can meet a stricter sanitary standard. According to the continuous preparation method of the starch full-biodegradable resin, the starch grafting and blending is carried out through continuous operation, the phenomena that the mechanical property and secondary processability of the products are lowered caused by migration of plasticizers and ordered reconfiguration of structures carried out spontaneously among chains are avoided, and a stricter sanitary standard can be met. The prepared starch full-biodegradable resin is high in starch content and excellent in mechanical property, and the cost is greatly reduced.

The invention discloses jujube-flavored white spirit and a brewing process thereof. A preparation method of the liquor comprises the following steps: grinding, steaming and spread-cooling jujube, wheat, sorghum, glutinous rice, corn, rice, pea and rice hull according to certain proportions, uniformly mixing with the addition of yeast powder, sealing and fermenting in pit mud for more than 4 months; beginning to distill after 4 months in a mode of distilling twice every month; ultrasonically processing liquor obtained from distillation firstly, and then storing the liquor together with tourmaline, limonite and medicinal stone in a porcelain jar for more than 6 months, thus completing aging. The liquor overcomes shortcomings in the prior art, and is simple and convenient in operation, short in production cycle, high in liquor yield and good in quality. The jujube-flavored white spirit disclosed by the invention is stable in quality, free from restoring and long in aftertaste, people drinking the white spirit are not easy to become drunk and quick to be sobered up, and the white spirit, after drunk, is free from a problem of headache, free from such harmful material components as methanol, and is capable of relieving pressure on liver and kidney after drinking and effectively relieving damage to body.

A method of changing the activity of hexokinases in a plant sink comprising introducing into the plant a gene encoding a fungal hexokinase. In the method, the gene is expressed in the plant seed tissue to produce the protein, thereby changing characteristics of hexokinase activity in the seed of the plant.

The invention discloses a full biological degradation plastic and production method thereof. The full biological degradation plastic contains the following components(weight percentage): amylum 30~60%, resin 10~15%, grease 12~20%, PE 10~30%, accessory ingredient 3~5%, plant perfume materials 0.5~1%. The production method includes the following steps: (A)calendering and polymerizing the amylum materials filtrated by 120 meshes and PE according to said percentage composition for 6~10 minutes; (B)blending the materials obtained in step A by high-speed muller at the temperature between 90~160 degrees and pelleting by extruding machine; (C)blending, polymerizing and extruding the materials obtained in step B by injection machine at the temperature between 110~130 degrees and blow molding according to requirements. The invention has a relatively higher content of amylum, good biological degradability, low cost and does not pollute environment.

The invention discloses a formulation for health-care red rice wine which comprises (by weight portion, based on 100 parts of glutinous rice dry weight), Monascus color 3-10, buckwheat 5-8 parts, the preparing process comprises the steps of, fermenting 2 months, extracting juice 5-20 parts.

The invention relates to the field of potato plantation, and discloses a greenhouse plantation method for highly yielding potatoes. The method comprises the following steps: (1) processing seeds to make the processed seeds have the advantages of accelerated seedling come-up speed, strong breeding ability, rapid growth of vines, supply of a large amount of nutrient components to the root tuber and increase of the yield and the differentiation speed of skins; (2) preparing soil and building a greenhouse to make suitable soil environment accelerate the growth of potatoes and improve the resistance of the potatoes to pests and diseases and to make the temperature in the greenhouse help the potatoes to resist low temperatures and prevent rainwater striking caused bacteria; and (3) sowing and managing: carrying out whole bud coverage sowing to improve the prosperity of the root and avoid burnt seedlings caused by after manuring in the rapid growth of the seedlings, and covering the applied fertilizer with loose nutrient soil to effectively retain the fertilizer and increase the upward growth of the potatoes. The method increases the yield by 28-35%, and the starch content of the obtained potatoes is extremely high.