49 results about "Terpene Compound" patented technology

The invention belongs to the technical field of food processing. The invention discloses a method for targeted determination of an optimal composite combination for masking reheating peculiar smell of prefabricated aquatic products by using terpene compounds. The method is characterized by comprising the following steps: (1) selecting peculiar smell compounds; (2) carrying out molecular docking on the odor compound and an olfactory receptor to obtain a key olfactory receptor; (3) combining the terpene compound and the odor compound, and performing binary molecular docking with the key olfactory receptor to obtain a typical terpene compound capable of masking reheating odor; (4) obtaining an odorless substrate; (5) taking the prepared odorless substrate as a medium to obtain a key terpene compound with a masking effect; (6) determining the theoretical minimum inhibition concentration of peculiar smell; and (7) obtaining an optimal compound combination capable of effectively inhibiting reheating peculiar smell and keeping the original flavor of the aquatic products. The optimal composite composition obtained by the method can effectively mask characteristic peculiar smell generated in the reheating process of the prefabricated aquatic product, and can well maintain the original flavor of the aquatic product.

Described herein are biocatalytic methods of producing terpene degradation products useful as starting material for the production of perfumery ingredients, such as, for example, ambrox. In particular novel terpene degrading polypeptides (enal-cleaving polypeptides) and novel peptides converting terpenes compounds to oxygenated derivatives (oxygenases) and mutants and variants derived therefrom are described which may be applied in novel types of fully enzymatic multistep degradation pathways allowing the controlled, stepwise conversion and degradation of linear or cyclic terpene substrates. Said novel biosynthetic strategies allow the fully biochemical synthesis of valuable terpene-derived compounds, like for example manooloxy or gamma ambrol. Also described herein are recombinant host organisms carrying the required set of genetic information for the functional expression of the set of enzymes necessary for catalyzing the combination of enzymatic conversion and degradation steps.

The invention relates to the technical field of synthetic biology, in particular to a squalene high-yield saccharomyces cerevisiae engineering bacterium and a construction method and application thereof.Saccharomyces cerevisiae CEN.PK.2-1D is used as an original strain, pentose phosphate pathway genes ZWF1, GND1, TAL1 and TKL1 and IDP1 genes of TCA circulation are integrated in a genome of the original strain through homologous recombination, and the squalene high-yield saccharomyces cerevisiae engineering bacterium is obtained. Constructing a dual-channel cofactor supply system to improve the intracellular NADPH level and the NADPH / NADP + ratio; according to the saccharomyces cerevisiae genetic engineering strain Sc-Sq04 constructed by the method disclosed by the invention, the yield of squalene obtained by shake flask fermentation reaches 741.08 + / -28.9 mg / L by further integrating all genes of an MVA way, ERG20 and ERG9 genes, and a new thought is provided for transforming saccharomyces cerevisiae to synthesize terpene compounds and promoting industrial application.

The formula comprises the following raw materials in parts by weight: 70-85 parts of base liquor, 5-15 parts of fresh pandan leaves, 0.5-3 parts of baked pandan leaf powder, 1-3 parts of a flavor modifier, 3-8 parts of a sugar source and 0.1-0.6 part of a functional additive. The unique flavor of the pandan leaves originates from the rich 2-acetyl-1-pyrroline, and the pandan leaves give out charming rice dumpling fragrance and have the effects of promoting appetite and metabolism at the same time. The pandan leaves are blended into the food, so that the delicious taste is improved, and additional nutritional value is also brought. The pandan leaves are rich in dietary fibers, vitamin B family, vitamin C and various minerals. The composition also contains squalene, linoleic acid, estragole, phytol and other active ingredients. Squalene is a natural organic terpenoid, widely exists in a living body, and has remarkable effects in the aspects of promoting blood circulation, resisting oxidation, resisting inflammation, resisting tumors and the like. The prepared pandan wine has multiple effects and is beneficial to body health after being drunk for a long time.

Provided in the present invention are an antimicrobial whitening composition, a white synthetic leather substrate and a preparation method therefor, and an antimicrobial synthetic leather. The antimicrobial whitening composition comprises a cationic antimicrobial agent, an antimicrobial organic substance and a solvent, wherein the cationic antimicrobial agent comprises at least one of a polymeric quaternary ammonium compound, polyethyleneimine, chitosan, a biguanide compound and a polymeric biguanide; and the antimicrobial organic substance comprises at least one of a terpene compound and a derivative thereof, a phenolic compound, an essential oil, an antifungal agent, a preservative and a disinfectant. The man-made leather prepared by means of the antimicrobial whitening composition of the present invention has good performance in terms of both long-lasting antimicrobial properties and maintaining a high whiteness.

The invention is applicable to the technical field of chemical production equipment, and provides a multistage coupling type terpene compound efficient separation rectifying tower, which comprises a rectifying tower main body, the rectifying tower main body comprises a tower body and a liquid inlet pipe, the upper end part of the tower body is provided with a liquid inlet, and the liquid inlet pipe is inserted into the liquid inlet; the liquid inlet assembly is mounted in the tower body, the liquid inlet assembly comprises a liquid inlet cylinder and a liquid discharging disc, the liquid discharging disc is provided with a liquid discharging opening, and a sealing ring is arranged at the position, abutting against the lower end of the liquid inlet cylinder, of the upper end face of the liquid discharging disc; in the invention, firstly, a worker inserts a liquid inlet pipe into a liquid inlet, and ensures that a pipe orifice, extending into a tower body, of the liquid inlet pipe is communicated with an upper port of a liquid inlet cylinder; under the action of gravity, the compound in the liquid inlet cylinder uniformly falls to a tower tray or a packing layer below through the liquid discharging opening; the impact force of compounds flowing into the tower body from the liquid inlet pipe is reduced, the compounds are uniformly distributed on the tower body, and the separation and rectification efficiency of the compounds is improved.

This invention discloses a bio-based environmentally friendly crosslinking agent and its preparation method, as well as epoxidized natural vulcanizates and their preparation methods and applications, relating to the field of polymer materials technology. This invention successfully synthesizes anhydrides with terpene compounds as the matrix as crosslinking agents. These anhydrides, as bio-based compounds, are not only green, environmentally friendly, and non-toxic, but also, when combined with crosslinking accelerators, can achieve highly efficient crosslinking of ENRs. The amount used is significantly reduced compared to crosslinking methods using diacids, and the crosslinking accelerators used are tertiary amine salts and other salt compounds, which have advantages such as low odor, low volatility, and easy dispersion, and will not cause harm to researchers and the environment like DMI catalysts. Simultaneously, it can also give ENRs excellent mechanical and damping properties. This invention provides a non-toxic, harmless, and environmentally friendly crosslinking agent that can efficiently crosslink rubber and introduce dynamic covalent bonds into the crosslinking network to achieve a green crosslinking method for reprocessable rubber.

A refrigerator oil composition which is used together with a refrigerant that contains an unsaturated fluorinated compound having a carbon-carbon unsaturated bond represented by general formula (I): C2FpR4-p (I) [in general formula (I), R each independently represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p is an integer of 1-3], in which R represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p represents an integer of 1-3], R represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom. A refrigerator oil composition containing a base oil (A), an epoxy compound (B), and a terpene compound (C), the epoxy compound (B) being an aliphatic epoxy compound (B1) or an alicyclic epoxy compound (B2), the total content of the epoxy compound (B) and the terpene compound (C) being 4.0 mass% or more based on the total amount of the refrigerator oil composition.

The present invention relates to a process for producing hydrocarbon resins from a feedstock of styrene compounds and a stream of aliphatic compounds comprising at least 5% by weight of bio-based terpene compounds.

Provided in the present invention are an antimicrobial whitening composition, a white synthetic leather substrate and a preparation method therefor, and an antimicrobial synthetic leather. The antimicrobial whitening composition comprises a cationic antimicrobial agent, an antimicrobial organic substance and a solvent, wherein the cationic antimicrobial agent comprises at least one of a polymeric quaternary ammonium compound, polyethyleneimine, chitosan, a biguanide compound and a polymeric biguanide; and the antimicrobial organic substance comprises at least one of a terpene compound and a derivative thereof, a phenolic compound, an essential oil, an antifungal agent, a preservative and a disinfectant. The man-made leather prepared by means of the antimicrobial whitening composition of the present invention has good performance in terms of both long-lasting antimicrobial properties and maintaining a high whiteness.

To provide a liquid cleaning agent composition for hard surfaces that exhibits excellent retention properties and suppression of dispensing failures. [Solution] A liquid cleaning agent composition for hard surfaces containing (A) component: an alkyl polyglucoside represented by the following general formula (A), (B) component: a polyoxyalkylene alkyl ether represented by the following general formula (B), and (C) component: one or more compounds selected from terpene compounds and carboxylic acid esters. a1 -O-[G] a ...(A) [In formula (A), R a1 is an alkyl group with 8 to 20 carbon atoms, G is a residue derived from a reducing sugar, and a is a number between 1 and 5 on average. ], R b1 -O-(AO) b -H...(B) [In formula (B), R b1 is an aliphatic hydrocarbon group with 8 to 18 carbon atoms, AO is an alkylene oxy group, and b is a number representing the average number of repeats of AO, ranging from 31 to 70.

The present invention addresses the problem of providing a low-alcohol beer-like beverage having a long duration of good flavor. [Solution] A low-alcohol beer-like beverage containing a wort fermentation broth, containing a highly hydrophobic aroma component having a LogP of 3.0-4.3 at a concentration of 150-400 ppb, and having an alcohol concentration of 4 v / v% or less, the highly hydrophobic aroma component containing a terpene-based compound and an ester-based compound, the terpene compound comprises at least one selected from linalool and myrcene, the ester compound comprises ethyl caprylate, and the ratio of the terpene compound to the ester compound is 0.04-0.2.

The invention discloses an organic silicon surfactant for polyurethane foam as well as a preparation method and application of the organic silicon surfactant, and relates to the technical field of surfactants. A terpene compound with a specific structure is introduced into an organic silicon main chain through chemical modification, bio-based modification of a surfactant is realized on the premise of maintaining foam opening performance and other stable mechanical properties, and the foam is endowed with good antibacterial performance; bio-based polyol and part of petrochemical-based polyol are compounded as a dilution system, so that the environmental load and the production cost are reduced, the application potential of the material is expanded, and the environment-friendly and low-carbon development direction is met. The high-resilience polyurethane foam prepared by using the organosilicon surfactant provided by the invention has good comprehensive properties (such as compression strength, resilience and dimensional stability), and also shows good antibacterial property.

The invention belongs to the technical field of Baijiu brewing, and particularly relates to a method for directionally enhancing the flavor of high-temperature yeast for making hard liquor. In order to break through the bottlenecks of single substrate utilization and uncontrollable reaction path in the existing yeast flavor regulation and control technology, the yeast flavor regulation and control method disclosed by the invention comprises the following steps: accurately proportioning pentose, hexose, disaccharide, sulfur-containing amino acid and aromatic amino acid, pretreating, preparing a solution, treating yeast-making raw materials, accurately controlling the temperature in the whole fermentation process, turning over yeast and the like. The Maillard reaction path in the high-temperature yeast preparation process is directionally regulated and controlled. Experiments show that the content of pyrazine and terpene compounds in the high-temperature Daqu can be remarkably increased, the characteristic flavors such as wood fragrance, baking fragrance and scorch fragrance are synchronously enhanced, and a systematic technical scheme is provided for regulating and controlling the flavor quality of Baijiu.

The present invention relates to a method for coloring keratin fibers using a composition comprising at least one particular fatty acid, at least one oxygenated terpene compound, at least one oligo / polyester and at least one pigment.

This invention relates to a method for synthesizing aromatic carbon-10 sulfur-containing compounds from isoprene. Specifically, using disulfide, isoprene, and 2-methyl-1-buten-3-yne as raw materials, aromatic carbon-10 sulfur-containing compounds are constructed under cobalt catalyst and iodine tandem catalysis. This invention has the following advantages: the raw materials are simple and readily available, the synthesis is simple, it is environmentally friendly, the conditions are mild, and it has high atom economy. The compounds obtained from the bulk chemical isoprene have structures similar to natural terpenes and represent an important class of terpenes.

A micelle mixture including a solute and a liquid, the solute including at least one of a terpene compound, a terpenoid compound, a phenolic compound, a terpenophenolic compound, and a terpenoresorcinolic compound. A multimer aggregate comprising a solute and a liquid, the solute comprising at least one of a terpene compound, a terpenoid compound, a phenolic compound, a terpenophenolic compound, a terpenoresorcinolic compound, a THCa compound, a CBDa compound, a CBNa CBCa compound, a THC compound, a CBN compound, a CBD compound, a CBC compound, a CBGa compound, a CBG compound, a THCVa compound, and a THCV compound.

Provided herein are biocatalytic methods of producing terpene degradation products that can be used as starting materials for the production of perfume ingredients, such as ambergris. In particular, provided are novel terpene degrading polypeptides (enal cleavage polypeptides) and novel peptides (oxidase) that convert terpene compounds into oxidized derivatives, as well as mutants and variants derived therefrom, which can be applied to novel fully enzymatic multi-step degradation pathways, allowing controlled, stepwise conversion and degradation of linear or cyclic terpene substrates. The new biosynthesis strategy allows for the complete biochemical synthesis of valuable terpene-derived compounds, such as Mannoloxy or [gamma]-ambroxol. The invention also provides recombinant host organisms carrying a desired set of genetic information for the functional expression of a set of enzymes necessary to catalyze a combination of enzymatic conversion and degradation steps.

The present application relates to nematode disease prevention and treatment agent technical field, especially to a kind of pine wood nematode disease prevention and treatment agent and preparation method thereof, by weight parts, including the following components: sophocarpidine 10-30 parts;Azadirachtin 5-20 parts;Turpentine 40-70 parts;Emulsifier 5-15 parts;Efficiency agent 1-5 parts;Stabilizer 0.5-3 parts, the synergistic effect of sophocarpidine and azadirachtin constitutes the core of the present application;Quinolone ring and pyridine ring structure in sophocarpidine molecule endow it with strong insecticidal activity, mainly by inhibiting acetylcholinesterase to interfere with the nerve conduction of nematode;And the complex triterpenoid structure of azadirachtin can interfere with the hormone system of nematode, inhibit its growth and development and reproduction.The two different mechanisms of action form complementation at molecular level, both can quickly kill nematode, and can long-term inhibit its population growth;Second, turpentine as natural terpene compound, the permeability of other active ingredients is enhanced.

A method and application for cultivating a Huanglongbing-resistant plant is provided. CsPUB21 attenuates a defense response of citrus based on terpene compounds through direct ubiquitination and degradation of a CsMYC2 protein. Resistance of citrus to a pathogen CLas and a spread vector thereof, i.e. Asian Diaphorina citri Kuwayama, can be improved by silencing of a CsPUB21 gene. Infestation of the pathogen CLas can be reduced by overexpression of CsPUB21DN, a dominant negative mutant of PUB21. Additionally, the CLas concentration in leaves of a susceptible plant can be effectively reduced by artificially replacing an amino acid Cys (TGC) at position 39 of a key enzyme activation site of CsPUB21 in the susceptible plant with Ala (GCC) via gene editing. This method and application provide a means to effectively resist the replication and spread of Huanglongbing pathogens, which cause citrus greening.

Provided are a terpene compound epoxidase and the use thereof. Provided is a terpene compound epoxidase. The terpene compound epoxidase has an amino acid sequence as shown in any one of SEQ ID NO. 1-SEQ ID NO. 8, shows epoxidase enzymatic activity, and is capable of performing epoxidation catalysis on taxadiene or a hydroxylation product of taxadiene or an acetylation product of taxadiene so as to generate a corresponding epoxidized terpene compound. The terpene compound epoxidase can be used to improve the taxane compound biocatalysis pathway so as to improve the biocatalysis efficiency of taxane compounds (for example, paclitaxel).

The invention relates to a difunctional terpene synthase mutant and a sesterterpenoid compound generated by catalysis of the difunctional terpene synthase mutant, the difunctional terpene synthase mutant is a protein composed of a new amino acid sequence formed by mutating the 92nd isoleucine of the amino acid sequence as shown in SEQ ID NO.1 into phenylalanine, and the amino acid sequence of the difunctional terpene synthase mutant is as shown in SEQ ID NO.3. The invention also relates to a preparation method of the difunctional terpene synthase mutant. The structures of the sesterterpenoids generated by catalysis are as shown in formulas 2-8. Compared with the prior art, the mutant protein ZbSS-I92F disclosed by the invention has the advantages that the 92 isoleucine of the wild difunctional terpene synthase ZbSS is transformed into phenylalanine, so that the mutant protein ZbSS-I92F is catalyzed to obtain sesterterpene compounds of other complex ring systems, such as 5 / 6 / 5 / 5 / 5 pentacyclic, 5 / 15 bicyclic and 14-membered ring, instead of being catalyzed to generate tetracyclic sesterterpene originally. The method has important significance in expanding a terpenoid natural product library and adding more terpenoid compound reserve with potential drug value. Therefore, the function of the difunctional terpene synthase is expanded, and a foundation is further laid for analysis of an enzyme catalysis mechanism.

The invention provides an SIS pressure-sensitive hot melt adhesive green cleaning agent. The SIS pressure-sensitive hot melt adhesive green cleaning agent is composed of the following components in percentage by volume: 0-10% of ester compounds, 35-50% of natural terpene compounds, 35-50% of alkane compounds and 2-8% of 95% ethanol. The SIS pressure-sensitive hot melt adhesive cleaning agent can efficiently dissolve solid SIS pressure-sensitive hot melt adhesive, and the situation that a factory needs to input a large amount of manpower and material resources to clean residual hot melt adhesive on equipment after hot melt adhesive production is finished is avoided; the cleaning agent depends on the theoretical basis of material chemistry and polymer chemistry, and by utilizing the polarity similar dissolvability principle and the Hansen solubility parameter rule (according to the Hansen solubility parameter theory, the closer the dispersion components of the two are, the higher the mutual dissolution degree is), it is ensured that the cleaning agent efficiently dissolves the SIS pressure-sensitive hot melt adhesive; the SIS pressure-sensitive hot melt adhesive can be removed in a simple, non-destructive, low-toxicity and comfortable-smell manner; the SIS pressure-sensitive hot melt adhesive disclosed by the invention is good in cleaning effect and free from obvious peculiar smell, and can better meet the increasing requirements of domestic factories on cleaning of SIS pressure-sensitive hot melt adhesives left on production equipment.

The application relates to a synthesis method of a compound of formula I, a genetically engineered bacterium for synthesizing terpenes and application of the genetically engineered bacterium, relates to the field of biosynthesis, and a synthesis method of terpenes, and comprises the following method: a compound of formula II is sequentially subjected to the action of cytochrome oxidase, carboxylic acid esterase and cyclase to generate the terpene compound shown in formula I. The application solves the problem of multiple synthesis steps of the compound shown in formula I. The application solves the problem of low enzyme rate of each step through gene optimization.

The present application discloses a kind of pearlescent-luminescent dual-effect emulsion type floral hand spray paint and preparation method, belongs to hand spray paint technical field, comprising the following weight parts materials: deacetylated chitin 0.8-1.2 parts;Carboxylated nanocellulose 1.5-2 parts;Flower complementary agent 6.5-10 parts;Humectant 0.5-0.8 parts;Plant-derived anti-freezing agent 0.5-1 part;Plant growth regulator 0.5-0.8 parts;Systemic fungicide 0.2-0.6 parts;Plant source terpene compounds 0.5-1;pH buffer 3-5 parts;Catechin 1-1.6 parts;Mica titanium pearlescent powder 3-5 parts;Luminescent powder 5-8 parts;H2O 50-58 parts;Tetrafluorinated propylene 12-15 parts.The present application anchors pearlescent component and luminescent component in floral cuticle, constructs dense, uniform and weather-resistant thin layer structure at microscale;Synchronous load antibacterial and physiological fresh-keeping active ingredients repair microcracks and mechanical damage in situ.

This invention relates to the terpene synthase AaTPS48 from Artemisia argyi, its encoding gene, and its applications. It provides an important foundation for utilizing genetic engineering techniques to increase the content of the active components myrcene and (trans)-β-farnesene in Artemisia argyi, or to directly produce myrcene and (trans)-β-farnesene. The technical solution is that the terpene synthase AaTPS48 is a protein of the following a) or b) or c): a) the amino acid sequence of the protein shown in SEQ ID No. 1; b) a fusion protein obtained by attaching a tag to the N-terminus and / or C-terminus of the protein shown in SEQ ID No. 1; c) a protein with the same function obtained by substituting and / or deleting and / or adding one or more amino acid residues of the amino acid sequence shown in SEQ ID No. 1. The AaTPS48 protein of this invention can catalyze both GPP to form myrcene and FPP to form (trans)-β-farnesene, playing an important role in the biosynthesis of myrcene, (trans)-β-farnesene, and other terpene compounds in Artemisia argyi.

This invention provides an ophthalmic composition for treating and / or preventing visual impairment caused by changes in the structure of the eye's lens, specifically involving alterations in the proteins that form the lens. The ophthalmic composition comprises a combination of a therapeutically effective amount of a polyphenolic compound and a terpene compound, or their salts or crystalline forms, requiring low doses of the bioactive compound to treat the disease with reduced frequency of administration. In particular, the ophthalmic composition of this invention can be used to treat and reverse visual impairments caused by changes in lens structure, such as cataracts, by reversing the lens opacity caused by the disease.

A composition is described comprising an organic polymer; and at least 0.25 wt.% of a compound comprising a terpene moiety comprising at least 8 carbon atoms and a functional group selected from amine, anhydride, imide or carboxylic acid. Also described are articles, methods, and functionalized terpene compounds.

The present invention relates to a process for treating keratin fibres with a composition comprising at least one specific fatty acid, at least one oxidized terpene compound and at least one modified polysaccharide.

The application relates to a method for synthesizing 3-oxacyclic terpene through an oxonium ion initiated tandem polyene cyclization reaction, discloses that (E)-(6-(benzyloxy))-4-methylhex-3-en-1-yl) benzene and derivatives thereof are used as substrates, zinc bromide is used as a catalyst, T + BF4 ‑ As an oxidant, 1,2-dichloroethane is used as a solvent, and activated molecular sieve is used as a water removing agent, and 3-oxacyclic terpene compounds are obtained under the condition of 70 DEG C. The method has good functional group tolerance, and provides an efficient and novel preparation method for 3-oxacyclic terpene compounds.