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902 results about "Ginger Extract" patented technology

An extract of the rhizome of the perennial plant Zingiber officinale with potential antineoplastic activity. Ginger extract contains a number of different phenolic compounds, some of which have displayed antineoplastic, anti-inflammatory, and antioxidant activities. This agent also exhibits antiemetic properties.

Water-soluble chitosan and shrimp antistaling agent prepared by ginger extract as well as using method

The invention provides a shrimp preservative prepared from water-soluble chitosan and ginger extract, and a using method thereof. The shrimp preservative is a composite preservative which is formed by taking water-soluble chitosan and ginger extract as main raw materials and compounding the main raw materials with antioxidant, phytic acid, sodium citrate and dextrin. Fresh shrimps or shrimp meat with no head and shell are soaked in seawater or clear water in which the shrimp preservative is dissolved at a temperature of between 0 and 10 DEG C, and then the aims of preventing decay, stopping shrimp heads from blackening, preventing fishy smell from increasing and the like can be achieved. The shrimp preservative has broad application prospects. As the shrimps subjected to freshness-keeping treatment seldom change color or decay in a processing course, are bright in body, pure in taste, strong and elastic in meat, the sensory quality of the shrimps is remarkably improved. The shrimp preservative has the advantages that the shrimp preservative is simple in production method, convenient to use, capable of applying to various types of food processing taking the shrimps as raw materials, remarkable in freshness-keeping effects and capable of keeping the moisture of the shrimps, raising product yield, improving product quality and increasing economic benefit.
Owner:GUANGDONG OCEAN UNIVERSITY

Natural surface active agent for cleaning fruits and vegetables and preparation method thereof

The invention relates to a natural surface active agent for cleaning fruits and vegetables, which is designed for overcoming the defects that the prior cleaning agent has non-thorough secondary cleaning, is harm to a human body after long terms of use, is not easily degraded, can cause secondary pollution, and the like. The natural surface active agent is prepared from the following components by weight percent: 10-40 percent of active matter extract of Chinese soaphberry with the concentration of 30-40 percent, 10-40 percent of alkyl poly-glycosides (APG) with the concentration of 47 percent, 10-30 percent of ginger extract with the concentration of 5 percent, 0.1-0.5 percent of EDTA, 0.3-1 percent of sodium chloride, citric acid and appropriate water. The method comprises the following steps: adding 20 percent of deionized water in a reaction vessel; heating to 35-40 DEG C, then sequentially adding APG, the active matter extract of Chinese soaphberry, the ginger extract and the EDTA, and fully mixing and stirring evenly during addition; adding appropriate citric acid; cooling to room temperature; adding appropriate sodium chloride, fully stirring for 0.5 hour and aging for 1.5 hours to obtain finished product; and bottling for leaving factory. The main components of the natural surface active agent are natural products and derivatives thereof, and the invention has the advantages of good cleaning effect, no residual, easy degradation, no stimulation to skin, no side effects, no secondary pollution to environment and environmental protection.
Owner:SHENYANG NORMAL UNIV

Method for extracting and purifying 6-gingerol from ginger

The invention relates to a method for extracting and purifying 6-gingerol from ginger, which comprises the following steps: (1) extraction and concentration of gingerol: heating sliced ginger in ethanol under reflux, and concentrating to obtain a ginger extract; (2) leaching of gingerol: leaching the ginger extract to obtain a leaching solution, and recycling the extract under reduced pressure to obtain a gingerol crude extract; (3) silica gel column chromatography: dissolving the gingerol crude extract in ethyl acetate, adding silica gel, mixing, and after the solvent is volatilized, passing through a silica gel column by a dry process; after carrying out isocratic elution and thin-layer chromatography (TLC) detection, collecting the eluate part containing 6-gingerol, recycling the eluate under reduced pressure to obtain a 6-gingerol crude product; passing the 6-gingerol crude product through the silica gel column, and carrying out elution, detection, collection and solvent recycling to obtain the higher-purity 6-gingerol; and (4) purification by preparative HPLC (high performance liquid chromatography): dissolving the higher-purity 6-gingerol, purifying by preparative HPLC, carrying out isocratic elution, collecting the part with the maximum chromatogram peak, and drying by distillation to constant weight, thereby obtaining the high-purity 6-gingerol. The technique is simple and easy to operate; and the product has the advantages of high yield and good quality.
Owner:CHINA ACAD OF SCI NORTHWEST HIGHLAND BIOLOGY INST

Ginger detergent processed at ultrahigh pressure and preparation method thereof

The invention provides a ginger detergent processed under ultrahigh pressure and a preparation method thereof and belongs to the daily chemical application field. The ginger detergent processed under ultrahigh pressure is used for solving the problem of skin irritation caused by an antiseptic substance added in the existing detergent. The ginger detergent mainly comprises the following raw materials: sodium fatty alcohol polyoxyethylene ether sulfate, sodium dodecyl benzene sulfonate, coco fatty acid diethanol amide, a chelating agent, a solubilizer and deionized water containing a ginger extract component. Due to the adoption of deionized water containing the ginger extract component, the ginger detergent has a good effect of removing fishlike smell, and as the ginger has a natural fragrance, no any perfume needs to be added in the raw materials; ultrahigh processing technology is carried out in the step of preparing the deionized water containing the ginger extract component and the step before bottling; as a result, the yield and extraction speed of the effective component can be increased obviously, and the utilization efficiency of ginger is improved. The ginger detergent is processed at ultrahigh pressure, so that the sterilization effect can be achieved and the use of the antiseptic substance is avoided.
Owner:SHANDONG UNIV OF SCI & TECH
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