83 results about "Terpene Compound" patented technology

The invention relates to the technical field of cleaning agents, in particular to a water-based oil stain cleaning agent and a preparation method and application thereof. The homogeneous-phase stable water-based cleaning agent is formed by taking water as a main component and a special additive as a core complex liquid and matching with terpenoids, alcohol ether and a biodegradable surfactant, the cleaning agent is harmless to skin (pH value is 6.5-9.5), LD50 (rat oral) is greater than 17000mg / kg, the cleaning agent is not inflammable and explosive, and the cleaning agent is free of toxic and side effects. And the cleaning agent has quick and efficient cleaning power on various product oils, crude oils, various adhesives and waxiness.

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.

The invention discloses a directed evolution strategy of type II sesquiterpene cyclase (SsDMS) derived from Streptomyces shedoensis based on alanine scanning, and an application of the type II sesquiterpene cyclase (SsDMS) derived from Streptomyces shedoensis based on alanine scanning. The invention relates to a plurality of SsDMS key mutant sites capable of catalytically generating a novel drive type sesquiterpenoid compound, which comprise substitution of sites 208, 248, 249, 497 and 505, and the SsDMS key mutant sites comprise substitution of sites 208, 248, 249, 497 and 505. The invention discloses an efficient escherichia coli cell factory applied to heterologous expression of an SsDMS mutant and efficient production of a novel drive type sesquiterpene compound, and further obtains the drive type sesquiterpene compound with a novel structure. According to the present invention, the efficient production of the drive type sesquiterpene compound by using the SsDMS and the mutant thereof is achieved, the modification strategy has wide applicability, the important enzymology resource is provided for the biosynthesis of the novel terpene compound, and the more choices are provided for the discovery of the drug lead compound.

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 fields of genetic engineering and microbial fermentation, and discloses a recombinant strain for highly producing terpenoids as well as a construction method and application of the recombinant strain. The recombinant strain is obtained by genetic engineering modification of an original strain, compared with the original strain, the recombinant strain enhances the synthetic route of terpenoids, and the activity of pyruvate kinase, pyruvate dehydrogenase complex, glucose-6-phosphate dehydrogenase and key enzymes for synthesis of terpenoids is enhanced by using a CRISPR activation system; wherein the sgRNA expression promoters of the pyruvate kinase and the pyruvate dehydrogenase complex are respectively oleic acid induction type promoters, and the sgRNA expression promoters of the glucose-6-phosphate dehydrogenase and the terpene compound synthesis key enzyme are respectively copper ion induction type promoters. The recombinant strain can dynamically regulate and control an editing system of the terpenoids, precisely regulate and control the synthetic pathway flux of the terpenoids, and effectively improve the yield of the terpenoids (such as sclareol and bisabolol).

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 present invention discloses terpene compounds derived from polar fungi, their preparation methods and applications, and respectively provides a calamenane-type sesquiterpene compound eutyacorane and a pimarane-type diterpene compound libertellenone Z derived from polar fungi. The structures are shown in the following formulas I and II respectively: The experimental results show that the two compounds have a better inhibition rate on the release of NO in the LPS-induced inflammatory model of mouse macrophages RAW264.7, providing a new type of choice for anti-inflammatory drugs.

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.

The invention relates to two iridoid compounds Xylanchinoid A (1) and Xylanchinoid B (2) with anti-inflammatory activity, which are extracted from philippine flemingia rhizome, and a preparation method and application thereof, and belongs to the technical field of medicines. The compound 1 and the compound 2 have an inhibition effect on cell factors TNF-alpha, IL-6 and IL-1beta secreted by LPS-induced macrophages RAW264.7, can form a pharmaceutical composition with a pharmaceutically acceptable carrier, and can be used for development of anti-inflammatory drugs. # imgabs0 #

The present invention relates to a bifunctional terpene synthase and its mutants, as well as the catalytic products. The amino acid sequence of the bifunctional terpene synthase is shown in SEQ ID NO.1. The bifunctional terpene synthase mutant is a protein composed of a new amino acid sequence formed by mutating the leucine at the 89th position of the amino acid sequence shown in SEQ ID NO.1 to glutamine or asparagine. The bifunctional terpene synthase FoFS to be modified in the present invention simultaneously has an isopentenyl transferase domain and a terpene cyclase domain, and has the dual functions of catalyzing the head-to-tail connection and cyclization of the terpene synthesis precursors DMAPP and IPP. FoFS has sesquiterpene products with multiple different ring systems. By modifying FoFS, the mutant protein can catalyze sesquiterpene compounds with other complex ring systems, which is of great significance for expanding the library of terpene natural products and adding more potential drug-value terpene compounds to the reserve force.

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.

The invention discloses an asphalt reclaimed material cold regeneration activator and a preparation method and application thereof, and belongs to the technical field of road engineering materials, the asphalt reclaimed material cold regeneration activator provided by the invention comprises the following raw materials: an osmotic dissolving agent, and the osmotic dissolving agent comprises one or more of terpenoids, lactate and / or essential oil substances. The asphalt reclaimed material cold regeneration activator provided by the invention has the characteristics of low toxicity, low inflammability and high activation rate, can quickly soften and activate aged asphalt on the surface of the asphalt reclaimed material under the condition of normal temperature, and promotes better fusion and bonding of the aged asphalt with new emulsified asphalt or foamed asphalt; therefore, the pavement performance of the cold recycled mixture is improved.

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 is a refrigerator oil composition used together with a refrigerant containing 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 represent a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom, and p is an integer of 1-3.], wherein the refrigerator oil composition contains a base oil (A), an epoxy compound (B), and a terpene compound (C), the epoxy compound (B) is an aliphatic epoxy compound (B1) or an alicyclic epoxy compound (B2), and the total content of the epoxy compound (B) and the terpene compound (C) is 4.0 mass% or more in terms of the total amount of the refrigerator oil composition.

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.

This disclosure concerns spirocyclo terpene compounds and their biosynthesis thereof. In particular, the terpene compound has a spiro-tricyclic scaffold. The biosynthetic method comprises fermenting a cellular organism having a sesquiterpene synthetase enzyme, wherein the STS enzyme is characterised by SEQ 7 and / or SEQ 11.

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 relates to the technical field, discloses a method for simultaneously determining 13 terpene compounds in Maotai-flavor baijiu, aims at exploration and optimization of pretreatment steps and chromatographic conditions, and aims to establish a stable and reliable detection method for the terpene compounds in the baijiu. And collection of terpene compound content data is carried out for representative Maotai-flavor white spirit samples, so that some technical support and data reference can be provided for research on white spirit quality improvement.

The present invention provides a terpenoid compound. The terpenoid compound provided by the present invention can weaken the anti-apoptotic protein Bcl-2 and reduce the Bcl-2 / Bax ratio. The terpenoid compound provided by the present invention can promote cell apoptosis by down-regulating β-catenin and up-regulating Caspase-3 and TNF-α. The terpenoid compound provided by the present invention is an Nrf2 inhibitor. The present invention also provides an extraction method and application of the terpenoid compound.

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 invention provides bacillus subtilis, a microbial agent of the bacillus subtilis and application of the bacillus subtilis to prevention and treatment of cucumber bacterial angular leaf spot. The bacillus subtilis is a bacillus subtilis strain A45, and the preservation number is CGMCC No.33289. The invention further provides a preparation method of the bacillus subtilis. The microbial agent of the bacterial strain can be used for efficiently inhibiting the growth of the Pseudomonas amygdali pv.lachrymans (Pseudomonas amygdali pv.lachrymans) of the cucumber bacterial angular leaf spot pathogen, and can be used for efficiently inhibiting the growth of the Pseudomonas amygdali pv.lachrymans. The strain code not only can be used for synthesizing known gene clusters of antibacterial substances such as abeleventin, bacitene, tripeptide tripeptide, catechol siderophore, pexamic acid, subtilosin A, lysobacin and the like, but also can be used for synthesizing a new gene cluster of surfactin, 1-carbapaen-2-em-3-carboxylic acid and tylosin A as well as a gene cluster synthesized by two brand-new terpenoids. The microbial agent disclosed by the invention not only can prevent cucumber angular leaf spot, but also has a remarkable promoting effect on cucumber growth.

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.