53 results about "Hexylresorcinol" patented technology

Personal care compositions containing an active selected from the group consisting of phlorogine, phlorgine BG, deoxyArbutin, sucrose dilaurate, bakuchiol, pyrenoine, millet, arlatone dioic acid, cinnamic acid, ferulic acid, achromaxyl, methyl nicotinamide, oil soluble licorice extract, folic acid, undecylenic acid, zinc undecylenate, L-tryptophan, thiamine HCl, hexylresorcinol, lipidami red vine, dragosine, methyl gentisate, inositol, symdiol 68, laminaine, their salts, their derivatives, their precursors, and/or combinations thereof. Methods for regulating the condition of mammalian keratinous tissue by topically applying the personal care compositions are also provided.

The invention relates to an inhibitor for preventing browning of a cut vegetable, comprising the following components: one of solvent water and ethanol or mixture thereof; one of sodium alginate, xanthan gum, carrageenan and chitosan, one or more of sodium tripolyphosphate, sodium pyrophosphate and 6-sodium metaphosphate, one or more of phytic acid, ascorbic acid, cinnamic acid, citric acid, kojicacid and edible acetic acid, and one or more of potassium sorbate, sodium dehydroacetate, sodium chloride and 4-hexylresorcinol. The inhibitor is used by soaking, and the soaking time varies with thetemperature and the air pressure of the processing environment. All the components used in the inhibitor are permitted in the GB2760-2007 (hygienic standards of food additives), and the inhibitor issulfite-free, safe and non-toxic, and can be used for fresh cut vegetables and can play the multiple roles of pH regulation, enzyme activity inhibition, oxygen removal and isolation and water retention to effectively prevent browning and play a role of anticorrosion and refreshment.

The invention discloses a shrimp fresh-keeping agent and a shrimp fresh-keeping method. The shrimp fresh-keeping agent comprises chitosan, phytic acid, ethylenediamine tetracetic acid nucleotide and 4-hexylresorcinol, and can effectively inhibit the occurrence of melanism in the shrimp refrigeration process. The shrimp fresh-keeping method comprises the following steps of: selecting and cleaning raw material shrimps; soaking the shrimps with the fresh-keeping agent; then, draining water; packing the shrimps by adopting a modified atmosphere package manner; and finally, storing the shrimps under the ice temperature condition. The method effectively prevents the melanism of the fresh shrimps, can prolong the fresh-keeping period of the shrimps, can reduce the loss of the nutrient content and ensure the quality of the shrimps.

Disclosed are compositions and methods for their use that include a combination of Leontopodium alpinum extract, Halidrys siliquosa extract, vegetable amino acids, niacinamide, hexylresorcinol, Pinus pinaster extract, Betula alba extract, Albizia julibrissin bark extract, hydrolyzed Candida saitoana extract, Lentinus edodes mycelium extract, and/or Opuntia tuna fruit extract.

The present invention relates to hexylresorcinol/water concentrates that are high in clarity, easily handled, and readily blended with other ingredients to form skin care compositions.

The invention discloses a controlled-atmosphere ice-temperature fresh-preservation method for seawater shrimps, which comprises the following steps of: soaking caught seawater shrimps with a 4-hexylresorcinol solution with the mass concentration of 1-2% for 2-4min, wherein the volume of the soaking solution is 1.5-2 times as heavy as the weight of the raw material; disinfecting and sterilizing the soaked seawater shrimps for 5-10min by using ozone water with the water temperature lower than 5 DEG C and the ozone concentration of 1-1.5mg/L, fishing out, rinsing with clean water lower than 5 DEG C, draining, putting into controlled-atmosphere packaging bags or boxes, and injecting a gas mixture of 70-80% CO2 and 20-30% N2 for packaging by using a controlled-atmosphere packaging machine, wherein 2-4mL gas is injected for each gram of seawater shrimps; and storing the packaged product at subzero 2.0 to 0 DEG C. The method can remarkably prolong the shelf life of the seawater shrimps to 8-12 days, ensures the eating safety of the product and maintain the good quality of the product.

The invention discloses a method for preserving penaeus uannamei by combining film preservative with atmosphere packaging. The film preservative comprises 0.005-0.015wt% of 4-hexylresorcinol, 1.0-2.0wt% of citric acid, 0.5-1.5wt% of ascorbic acid, 0.8-1.5wt% of chitosan, 0.8-1.2vol% of glacial acetic acid and the balance water. The gases filled in the atmosphere packaging contain 80-90vol% of CO2, 3-7vol% of O2 and 3-17vol% of N2. The method of the invention combines the preservative with the atmosphere packaging to prolong the shelf life of the refrigerated penaeus uannamei from 4 days to 14 days.

The invention provides a method for using a polyphenol oxidase inhibitor to prevent blackening of shrimps. The process is as follows: distributing the inhibitor on the shrimps, wherein the inhibitor comprises the following components in parts by weight: 0.1-1.2 parts of 4-hexylresorcinol, 0.3-1.3 parts of disodium EDTA (ethylene diaminetetraacetic acid), 1.5-4.5 parts of L-ascorbic acid, and 7-13 parts of citric acid. In the method for using the polyphenol oxidase inhibitor to prevent the blackening of the shrimps, the used amount of 4-hexylresorcinol in each kilogram of shrimps is not more than 1mg. and the used amount of 4-hexylresorcinol in the prior art is 10mg, so that the used amount of the inhibitor is obviously reduced, and further the environmental pollution and the remaining amount of chemicals in the shrimps are reduced. After the method provided by the invention is applied, the shrimps start to become black on the 20th day, but the shrimps applying the prior art start to become black at the eleventh day at the temperature of 4 DEG C, so that the blackening prevention effect is improved in a greater manner.

The invention discloses a sulphur-free composite antistaling agent for inhibiting blackening of Penaeus vannamei boone and its preparation method, which aims at solving the current problem that the blackening symptom of Penaeus vannamei boone treated by sodium pyrosulfite enables excessive standard of poisonous and harmful residue which threats the health of human body. The sulphur-free compositeantistaling agent is prepared through mixing the following components by taking water as a solvent: 0.005-0.045mg/mL of 4-hexyl resorcin, 1.00-9.00mg/mL of citric acid, 0.6-2.20mg/mL of EDTA disodiumand 0.10-0.20mg/mL of sodium dihydrogen phosphate. The sulphur-free composite antistaling agent has the advantages of safety, high efficiency and low production cost.

The invention discloses a production method of sulfur-free konjac flour, comprising the steps of (1) cleaning and skinning fresh konjac, and cutting to obtain konjac pieces; (2) mixing citric acid solution with 4-hexylresorcinol solution, and soaking the konjac pieces in the mixture; (3) after soaking, drying the konjac pieces of step (4), crushing the dried konjac pieces into konjac flour, placing the konjac flour in ethanol, stirring and filtering, collecting, evaporatively drying filtrate to obtain crude konjac flour; (5) cyclically washing the crude konjac flour of step (4), milling, centrifugally dewatering, and drying again to obtain the konjac flour. The production method has the advantages that the whole production process of the konjac flour is free of sulfur or sulfides so that the konjac flour is free of sulfur; in addition, browning of the konjac flour can be effectively avoided.

Spot removing, skin whitening and anti-aging cream is prepared from raw materials in parts by weight as follows: 0.02-5 parts of retinol, 0.02-5 parts of retinol palmitate, 0.02-5 parts of hexylresorcinol, 0.02-5 parts of lecithin, 1-10 parts of squalane, 1-5 parts of mauritia flexuosa fruit oil, 1-10 parts of glycerin, 1-10 parts of sorbitan olivate, 1-10 parts of cetearyl glucoside, 0.02-5 partsof sodium hyaluronate, 0.02-5 parts of oligopeptide-1, 0.1-2 parts of p-hydroxyacetophenone, 0.1-5 parts of 1,2-pentanediol and 33-99 parts of water. The spot removing, skin whitening and anti-agingcream can promote skin to recover healthy metabolism, inhibit melanogensis, prevent pigmentation, remove color spots in multiple aspects and play skin whitening and spot removing roles. The spot removing, skin whitening and anti-aging cream can also thicken cuticles, enhance skin resistance, promote growth of collagen and play anti-aging and wrinkle removing roles.

The invention belongs to the technical field of feed processing and in particular relates to a mushroom-flavor feed with improved palatability of a young pet dog and a preparation method of the mushroom-flavor feed. The feed is prepared from the following raw materials in percentage by weight: 3.0% of mushroom powder, 28.0% of bean pulp, 9.0% of peanut meal, 5.0% of bran, 35.0% of corn flour, 2.2% of calcium hydrogen phosphate, 8.5% of animal bone paste protein, 3.0% of vegetable oil, 2.0% of mountain flour, 1.5% of carrot meal, 2.0% of mussel foot powder, and 0.8% of table salt; the feed is also prepared from the following components in weight percentage (accounting for the total weight of the above raw materials): 0.2% of mycose, 0.08% of 4-hexylresorcinol and 0.02% of complex vitamin. The mushroom-flavor feed can keep complete shape after being soaked in water, has good palatability, is rich and comprehensive in nutrition, and can enhance the immunity, promote growth and improve the skin health of the pet dog after being eaten by the pet dog for a long time.

The invention discloses a low-irritation plant enzyme whitening nano composition, and a preparation method and application thereof. The low-irritation plant enzyme whitening nano composition comprises a fat-soluble whitening active matter, plant enzyme, grease, a cosolvent, an emulsifier and other additives, wherein the whitening active matter accounts for 0.1%-10%; the grease accounts for 1%-10%; the cosolvent accounts for 20%-60%; the emulsifier accounts for 0.5%-10%; the other additives account for 0.1%-1%; the balance is the plant enzyme; and the whitening active matter is one or more of phenethyl resorcinol, 4-butyl resorcinol and hexylresorcinol. According to the invention, the plant enzyme and the whitening active matter are combined for use, so that the irritation of the whitening active matter can be reduced while the effective use concentration of the whitening active matter is improved, and the applicability of the whitening active matter is greatly expanded.

The invention provides a kit for detecting the residual amount of 4-hexylresorcinol in an aquatic product. The kit comprises a sample extraction solvent, namely ethyl acetate, and purification solvents, namely a methanol-acetonitrile-aqueous solution and an acetonitrile saturated n-hexane solution, wherein the volume ratio of methanol to acetonitrile to water is 1:2:1; and the volume ratio of the used methanol-acetonitrile-aqueous solution to used the acetonitrile saturated n-hexane solution is 1:1. The invention also provides a method for detecting the residual amount of the 4-hexylresorcinol. The method comprises the following steps of: (1) extracting a sample; (2) purifying; and (3) measuring by virtue of liquid chromatography. According to the kit, ethyl acetate used as the sample extraction solvent has a small number of impurity peaks, and is more easy to evaporate and condense; by utilizing liquid-liquid distributed purification, the recycling rate is higher and the purification effect is better; a liquid chromatography fluorescence detector is used for measurement, and an external standard method is adopted for quantification, so that the effects of high selectivity and high sensitivity can be achieved; and the kit is widely applied to measurement on the residual amount of 4-hexylresorcinol in aquatic products, such as shrimps, fishes, crabs and the like.

The invention provides a fresh-keeping technology of slipper lobsters. The fresh-keeping technology comprises the following technological steps of performing pretreatment: thoroughly cleaning the slipper lobsters, and draining the cleaned slipper lobsters until water does not exist on the surfaces of the drained slipper lobsters; preparing a film coating fresh-keeping agent: dissolving 4-hexylresorcinol, citric acid, ascorbic acid, Wanwei PVA and eicosapentaenoic acid in water, performing uniform stirring, then adding glacial acetic acid, performing uniform mixing, then adding chitosan, performing uniform stirring, and performing vacuum standing so as to obtain the film coating fresh keeping agent; performing applying: applying the film coating fresh keeping agent to the surfaces of the slipper lobsters, and performing cold air drying; and performing packaging and cold storage: performing vacuum packaging on the slipper lobsters after cold air drying with fresh-keeping bags containing antibacterial agents, and performing cold storage. The fresh-keeping technology disclosed by the invention is simple in technology, the fresh keeping agent is green, free from toxins and harmless to the slipper lobsters and human bodies, the slipper lobsters are effectively prevented from darkening, and the fresh-keeping time of the slipper lobsters is prolonged.

The invention belongs to the technical field of preservation of aquatic products, and in particular relates to a high-voltage electrostatic compound fresh-keeping method of seawater shrimps, and the method comprises the following steps: cleaning the seawater shrimps, soaking in an anti-oxidant solution at low temperature, introducing high-voltage electrostatic field effect, adding an anti-browning solution into the anti-oxidant solution to obtain a mixed soaking solution for soaking the seawater shrimps, then taking the seawater shrimps out, and freezing to kept fresh. The antioxidant solution comprises erythorbic acid, astaxanthin, water-soluble chitosan, edible salt and water, and the anti-browning solution comprises kojic acid, 4-hexylresorcinol, citric acid, n-acetylneuraminic acid, honey and water. The high-voltage electrostatic compound fresh-keeping method can preserve the seawater shrimps for up to 123 days without browning or blackening, time is long, fresh-keeping cost is low, damage to the seawater shrimps caused by ozone produced by high-voltage static electricity can be effectively avoided, and the high-voltage electrostatic compound fresh-keeping method has low power consumption.

The invention belongs to the technical field of food processing, and particularly relates to a method for controlling blackening of frozen euphausia superba blocks in the unfreezing process. The method comprises the following steps: putting shrimp blocks into tap water in which an anti-black preservative is dissolved in proportion, and unfreezing, wherein the anti-black preservative is formed by compounding tea polyphenol, a grape seed extract, 4-hexylresorcinol and ascorbic acid. According to the method, blackening of the frozen euphausia superba blocks in the unfreezing process can be effectively controlled, the product quality is effectively guaranteed, abuse of illegal additives can be reduced, and remarkable social benefits are achieved.