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1145 results about "Chlorophyllin" patented technology

Chlorophyllin refers to any one of a group of closely related water-soluble salts that are semi-synthetic derivatives of chlorophyll, differing in the identity of the cations associated with the anion. Its most common form is a sodium/copper derivative used as a food additive and in alternative medicine. As a food coloring agent, copper complex chlorophyllin is known as natural green 3 and has the E number E141.

Biomass energy prepared by one-step method of microalgae

The invention provides a method for preparing biodiesel from microalgae. The method comprises the following steps of: a. changing collected microalgae from the wet algae into algae block or algae powder; b. mixing a catalyst into low-carbon alcohol, directly adding the algae block or the algae powder obtained by the step a, and carrying out ester exchange reaction to prepare the biodiesel; c. after the reaction is stopped, adding an organic solvent for extracting reaction solution which is divided into organic solvent phase used for extraction, low-carbon alcohol water-adding phase and algae mud; and d. after the extraction is completed, collecting the organic solvent phase used for extraction, removing the organic solvent by distillation, and obtaining oily liquid, namely crude products of the biodiesel. After preparing the biodiesel, the steps that the low-carbon alcohol water-adding phase is used circularly after dewatered by a solid drying agent, and the produced algae mud is used for producing biogas by biological fermentation are added. The invention completes the oil extraction of microalgae and biodiesel production by one step, simplifies the technique steps and equipment, saves cost; the sulphuric acid and low-carbon alcohol used for production can be recovered, then dewatered by drying, then utilized repeatedly, the cost is reduced, the final product is neutral, does not need washing and reduces the downstream processing pressure; and simultaneously, chlorophyll is mainly concentrated in the low-carbon alcohol, reduces the interference of the chlorophyll to the color of the product and does not need the step of decoloring.
Owner:ENN SCI & TECH DEV

Green and environment-friendly toughened strong-antibacterial degradable polylactic acid composite and preparation method thereof

The invention discloses a green and environment-friendly toughened strong-antibacterial degradable polylactic acid composite and a preparation method thereof. The composite is prepared from, by weight, 1000 parts of polylactic acid, 3-18 parts of chain extender, 7-20 parts of nanometer zinc oxide, 0.20-0.55 part of coupling agent and 1-8 parts of chlorophyll copper acid. According to the visible light absorption and transmission principle of the chlorophyll copper acid, with the nanometer zinc oxide processed by the chlorophyll copper acid and the coupling agent as a composite antibacterial agent, the visible light utilization rate of the nanometer zinc oxide is increased; through the environment-friendly small-molecule chain extender, the molecular weight of the polylactic acid is improved, the composite has the strong antibacterial performance, and the mechanical property and thermal property are improved; meanwhile, the greenness, environmentally friendliness and complete degradability characteristics of the polylactic acid are kept. Through the simple preparation process, the green and environment-friendly completely-degradable polylactic acid composite with strong antibacterial performance, the improved mechanical property and the improved thermal property is obtained.
Owner:ZHENGZHOU UNIV

A preparation method for high-fiber recombinant asparagus chips

The present invention discloses a preparation method for high-fiber recombinant asparagus chips, and belongs to the deep processing field of fruits and vegetables. The asparagus chips use discarded scraps of old stems and old roots from asparagus production enterprises as raw materials, and are prepared by the following steps: pre-treating the raw materials, blanching the materials in hot water, preserving color, conducting beating, mixing the materials with adjuvant materials, cooking the mixture for a short time, placing the mixture on plates, drying the mixture under vacuum by two section-type microwave to a moisture content of 10% -15%, drying the mixture by short- and medium-wave infrared method under vacuum to a moisture content below 5%, and packaging the mixture to obtain the end products. The dietary fiber content of the asparagus chips is 8.35% - 10.27%, and every 100g of the chips contains flavonoids 12.73-16.86 mg, polysaccharide 9.34-11.28 mg. The preservation rate of chlorophyll is 70% to 75% after processing, and the chip breaking force is 1123-1443 g. The preparation method provides a novel method for taking full advantage of asparagus scraps, and the microwave vacuum drying and the short- and medium-wave infrared vacuum drying have advantages of quick drying, low temperature and higher nutrient retention rate, etc. The asparagus chips are high in cellulose content, rich in flavonoids, polysaccharide and other active substances, crispy and delicious in taste and high in nutritional value. Therefore, the asparagus chips are leisure crisps for people of all ages.
Owner:JIANGNAN UNIV +1

Overall extraction method of effective components of mulberry leaves

The invention relates to an overall extraction method of effective components of mulberry leaves. The method comprises the steps that mulberry leaves serve as raw materials, ultrasonic alcohol extraction and water extraction are sequentially conducted to obtain alcohol extract, water extract and extracted filter residues, concentration, extraction and decoloration are conducted on the alcohol extract, enrichment and elution are conducted through anion exchange resin and cation exchange resin to obtain mulberry leaf flavone and DNJ, and saponification, copper substitution reaction and salifying are conducted on removed pigment to prepare chlorophyll sodium copper; alcohol precipitation is conducted after concentration is conducted on water extract, protein and polysaccharide are clarified and separated through a clarifying agent, spray drying is conducted on the polysaccharide to prepare mulberry leaf polysaccharide, the protein is added to conduct enzymatic hydrolysis, and micromolecule oligopeptide is prepared; ultrasonic alkali washing is conducted on extracted residues, soak degreasing is conducted on ethyl alcohol, and mulberry leaf dietary fibers are prepared; by means of the overall process, the mulberry leaves are completely dissolved in a one-station mode, six main products are prepared, the effective components in the mulberry leaves are fully utilized, and the additional value is increased; compared with single substance extract, the huge profit space and economic value exist, good business prospect is achieved, and the overall extraction method of the effective components of the mulberry leaves is suitable for large-scale industrial production.
Owner:上海天伟质量检测技术服务有限公司 +1

Algae-controlling laterite compound flocculant as well as preparation method and applications thereof

The invention discloses an algae-controlling laterite compound flocculant as well as a preparation method and applications thereof. The method comprises the following steps: mixing 64.52-86.42% of laterite, 7.41-19.35% of polyaluminium chloride and 6.17-16.13% of ferric trichloride, and then milling to obtain the algae-controlling laterite compound flocculant. Compared with the methods by independently adding ferric trichloride or polyaluminium chloride, the algae-controlling laterite compound flocculant can obtain higher turbidity and higher chlorophyll a clearance rate, i.e. favorable effects for clearing algae and purifying water. Furthermore, with similar turbidity and chlorophyll a clearance rate, the quantities of the polyaluminium chloride and the ferric trichloride contained in thealgae-controlling laterite compound flocculant are lower than those of the polyaluminium chloride and the ferric trichloride which are independently used so as to save the cost and enhance the safetyof the flocculant in utilization. The algae-controlling laterite compound flocculant has the advantages of simple preparation procedure, moderate cost and favorable effects for clearing algae and purifying water, and is especially suitable for water bloom emergency treatment.
Owner:JINAN UNIVERSITY

Preparation method and application of selenium-enriched organic water-soluble fertilizer

The invention discloses a preparation method and an application of a selenium-enriched organic water-soluble fertilizer. The preparation method comprises the following steps: dissolving, acidifying, chelating, cooling, mixing, compounding and concentrating, wherein before the dissolving step, the transformation of organic selenium is carried out, which comprises the steps of adding water to sodium selenite to obtain a sodium selenite solution, soaking semen cassia in warm water, placing in a greenhouse until semen cassia becomes green, spraying the sodium selenite solution onto semen cassia buds once every day, after 10-25 days, picking buds and mashing to obtain organic selenium. The invention also discloses an application of the selenium-enriched organic water-soluble fertilizer. By the absorptive transformation effect during the germination process, inorganic selenium is transformed into organic selenium, the prepared selenium-enriched organic water-soluble fertilizer is high in content of selenium; by scientifically applying the selenium-enriched organic water-soluble fertilizer to crops, the drought resistance and cold resistance of the crops can be increased, the content of chlorophyllin in the crops is effectively increased, the phenomenon of decay is decreased, the contents of nutrients and yield of the crops are greatly improved and the content of selenium in agricultural products is effectively increased.
Owner:GUANGXI PENSHIBAO

Medicament for fast preventing and controlling malignant aquatic weed and algae and uses thereof

The invention relates to a medicament for fast preventing the malignant float grasses and the water algae and the application thereof, belonging to the pesticide formulation technical field, which is characterized in that the medicament comprises from 40% to 90% of a plant vinegar fluid, from 5% to 35% of an organic acid, and from 1% to 20% of pesticide addition agent, the plant vinegar fluid is either a bamboo vinegar fluid, a wooden vinegar fluid, and (or) grass vinegar fluid, the organic acid is one of or a mixture of more than one of a formic acid, an acetic acid, a propionic acid, a 2-methyl propionic acid, an ethyl acetic acid, a 4-hydroxy ethyl acetic acid, a pentanoic acid, a benzoic acid, a 2,6-hydroxy benzoic acid, a 3-hydroxy-4-methoxy benzoic acid or a 3-methoxy-4-hydroxy benzoic acid. The medicament has the advantages of fast destroying the chlorophyll, stopping the plant to do the photosynthesis, commonly killing the water algae in a half hour and the float grass in three hours by spraying, having low production cost, strong killing capability, wide adaptable temperature range and pH value range. The active component of the invention has the advantages of being the natural-occurring substance, no corrosion, nonirritant, safe use, and reliability, easy biodegradation, and no secondary pollution.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Water body pollution detection method, device and equipment and storage medium

PendingCN112014331AEliminate the effects of reflectionsEutrophication MonitoringMethods for obtaining spatial resolutionColor/spectral properties measurementsChlorophyll aSpectral bands
The embodiment of the invention discloses a water body pollution detection method, device and equipment and a storage medium. The method comprises the steps of carrying out the atmospheric correctionof original remote sensing image data, and obtaining first remote sensing image data; performing water body correction on the first remote sensing image data to obtain the surface reflectance of the water body in the first remote sensing image data; based on the surface reflectance, establishing a first empirical inversion model of the chlorophyll a and the spectral band of the water body, and a second empirical inversion model of suspended matters and the spectral band of the water body; inputting the second remote sensing image data into the first empirical inversion model and the second empirical inversion model to obtain the concentration of chlorophyll a and the concentration of the suspended matters; and identifying the pollution relationship between the water body and a mining areaaccording to the concentration of chlorophyll a and the concentration of suspended matters. Through two indexes of chlorophyll a and the suspended matter concentration, remote sensing image data are visualized, the pollution relation between the water body and the mining area can be reflected more visually, and a reference basis is provided for monitoring and treatment of water quality.
Owner:CHINA FIRST AUTOMOBILE

Method for easily authenticating flooding tolerance of kiwi fruit seedlings

The invention discloses a method for easily authenticating flooding tolerance of kiwi fruit seedlings. The method comprises the following steps: a plastic box is buried in soil of a rain sheltering greenhouse, the edge of a box body and surrounding soil are arranged on the same horizontal plane, and nutrition bowls planted with the kiwi fruit seedlings are placed in the plastic box randomly; water is irrigated in the plastic box to enable root systems of the kiwi fruit seedlings to be completely immersed in the water; the situations of top tips and leaves of the kiwi fruit seedlings in the flooding process are recorded, the flooding time or the number of wilt leaves is used as an index, and flooding tolerance authenticating evaluation is carried out on various test materials. According to the method, the flooding time or the number of the wilt leaves can replace an existing complex evaluation system, the needed time is short, the operation is convenient, the result is obtained by testing several indexes of the survival rate, chlorophyll, peroxidase activity and root activity so as to comprehensively evaluate the stress resistance verification, the result is consistent with the visual flooding time or the number of the wilt leaves, and therefore the method is stable and reliable in result, easy to operate, and suitable for rapidly screening flooding tolerance seedling kiwi fruit seedling plants in a mass mode.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Nondestructive testing method for maturity level of organic flue-cured tobacco leaves at late growth stage

The invention discloses a nondestructive testing method for the maturity level of organic flue-cured tobacco leaves at the late growth stage, which comprises the following steps: before organic tobacco leaves are mature and harvested, randomly selecting 20 strains of tobaccos from tobacco fields in which the transplanting periods and cultivation and management measures are consistent; respectively determining the SPAD average value of 1-6 leaves by using a chlorophyll meter, wherein the larger the SPAD average value is, the poor the maturity level is; when the average value is greater than 32, determining that the tobacco leaves are under-mature or immature; when the average value is 27-32, determining that the tobacco leaves are passably mature; when the average value is 20-27, determining that the tobacco leaves are mature or rightly mature; when the average value is 14-20, determining that the tobacco leaves are completely mature; and when the average value is less than 14, determining that the tobacco leaves are over-mature. The method disclosed by the invention is clear in indexes, has objective judgment indexes, and can quantify the maturity level, and therefore, the loss caused by visual errors is reduced, and the method is easy to operate and master. When the flue-cured tobacco planting is guided by using the method, the tobacco leaves are uniform in color and good in color scale, and the integrated quality of the tobacco leaves is improved. The method is applicable to the tobacco planting.
Owner:GUIZHOU TOBACCO SCI RES INST

Apple-specific rice husk charcoal base fertilizer and its preparation method

InactiveCN103224421AIncrease louver weightIncrease contentFertilizer mixturesVitamin CChlorophyll b
The invention relates to the technical field of fertilizers, especially to an apple-specific rice husk charcoal base fertilizer. Rice husk charcoal contains 30-35% of carbon. Effective contents of N, P and K are respectively 10%, 1% and 7% of the weight of the rice husk charcoal. The rice husk charcoal can also contain a solid waste which is obtained after furfural is prepared from cottonseed hull, and the weight ratio of the solid waste to the rice husk charcoal is 1:4. A preparation method of the apple-specific rice husk charcoal base fertilizer comprises the following steps: milling; adding a fertilizer containing N, P and K, adding bentonite and a binder, and uniformly mixing; granulating; and screening. By the adoption of the rice husk charcoal base fertilizer, the weight of one hundred leaves of Fuji apple leaves can be significantly increased, contents of chlorophyll b and carotenoid and total chlorophyll in the leaves are increased, and photosynthetic performance of Fuji apple leaves is improved; growth of the annual branch of Fuji apples is controlled, nutrient waste is reduced, and it is beneficial to fruit growth and flower bud differentiation for the coming year; Fuji apple hardness and soluble solid and vitamin C contents are raised, titratable acidity is decreased, and sugar-acid ratio of the fruit is raised; and aroma types of Fuji apple are increased, and local flavor of Fuji apple is improved.
Owner:SHANDONG YANTAI AGRI SCI & TECH INST

Application of metal derivative containing chlorophyll and hydrolyzate thereof as plant growth regulator

ActiveCN102273467AExcellent plant growth regulator activityReduced activityBiocidePlant growth regulatorsNon toxicityRoot growth
The invention provides an application of a metal derivative containing chlorophyll and hydrolyzate thereof as a plant growth regulator. The metal derivative containing chlorophyll and hydrolyzate thereof is selected from chlorophyll metal chelate, a chlorophyllin metal chelate and a monomeric metal chelate obtained by separating a chlorophyllin mixture. The chlorophyll is a green pigment extracted from a natural plant raw material and provided with a phaeophytin mother ring structure. The chlorophyllin is a mixture of multiple dihydroporphin components obtained by hydrolyzing the chlorophyll.The monomeric chlorophyllin component is selected from dihydroporphin-e4, dihydroporphin-e6 or phaeophorbide a monomethyl ester. Metal ions comprise bivalent or trivalent transition metal manganese, iron, copper or zinc ions in an oxidation state. The plant growth regulator provided by the invention has the advantages of safety, non-toxicity, low residue, strong activity, good effect, stable product property, controllable and reliable quality and easiness in promotion and application; the chlorophyll content of the plant can be increased, the root growth is promoted, the germination ratio is increased, the stress resistance is enhanced and the yield is also increased.
Owner:NANJING NORMAL UNIVERSITY +1
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