191 results about "Tea catechin" patented technology

The invention relates to the technical field of food processing, and discloses casein-tea polysaccharide-polyphenol composite nanoparticles and a preparation method of the casein-tea polysaccharide-polyphenol composite nanoparticles, and the preparation method comprises the following steps: mixing large yellow tea polysaccharide with a casein solution to obtain a CS / TPS mixed solution; performing glycosylation modification on casein in the CS / TPS mixed solution by adopting a Maillard reaction to prepare a casein-polysaccharide copolymer solution; the preparation method comprises the following steps: mixing a plurality of catechins, dissolving the catechins in ultrapure water to obtain a mixture stock solution, mixing the mixture stock solution and a casein-polysaccharide copolymer solution according to a volume ratio of 1: 16, stirring for 1 hour for self-assembly, pre-freezing the stirred solution at-80 DEG C, and freeze-drying for 48 hours to obtain CS-TPS-MIX nano-composite powder. According to the invention, a polyphenol delivery system with a dual antioxidant synergistic mechanism is constructed through a Maillard reaction mediated nano-composite technology, and the system is stable in structure, so that the release of polyphenol is more controllable.

The invention provides a dendrobium devonianum epiphytic tea tree cultivation method, which belongs to an epiphytic plant planting technology, and is characterized in that a dendrobium devonianum root system can be closely fused with a tea tree trunk through treatment of'minimal trauma + callus inducer ', and a structural foundation is laid for material exchange. The jasmonic acid methyl ester stress with a specific concentration is applied to the dendrobium nobile in the key phenological period, the dendrobium nobile is accurately induced to synthesize and secrete beneficial secondary metabolites, the theanine content in the tea can be remarkably increased, the proportion of ester type catechin can be reduced, and therefore the fresh degree of the tea is remarkably increased, and the astringent taste of the tea is remarkably reduced. The stress resistance of the dendrobium devonianum and the tea trees treated by the method is also enhanced, and the disease occurrence rate is reduced. While high-quality dendrobium nobile is harvested, the quality and economic benefits of the produced tea leaves are synchronously improved.

The invention belongs to the technical field of tea leaf component detection methods, and particularly relates to a method for simultaneously detecting 4 alkaloids and 10 catechin components in tea leaves, which utilizes high performance liquid chromatography to simultaneously detect 4 alkaloids and 10 catechin components in tea leaf samples. And obtaining the contents of the 14 characteristic components in the tea sample according to the respective standard curves of the four alkaloids and the 10 catechin components. According to the detection method provided by the invention, 14 compounds in the tea leaves can be simultaneously detected and separated, and the problem that the separation effect is poor when multiple compounds in the tea leaves are simultaneously analyzed in the prior art is solved, so that the high-standard requirement of tea leaf component analysis is met; a more efficient, accurate and reliable analysis tool is provided for tea manufacturers, detection mechanisms and scientific researchers, and powerful support is provided for the fields of tea quality control, scientific research, deep processing and the like.

The invention relates to composite cosmetic nanoparticles with an acne removing effect and a preparation method of the composite cosmetic nanoparticles, and belongs to the technical field of functional skin care products and nano entrapment. According to the nano-particles, low-molecular chitosan is used as a main carrier, and natural multifunctional acne-removing components including a white willow bark extract, a tea catechin substance, a pomegranate peel extract and a hovenia dulcis thunb fruit extract are jointly embedded, so that a stable nano-particle structure with the particle size of 50-200 nm is formed; and sodium hyaluronate is used for surface modification so as to enhance skin adhesiveness and permeability. The multi-target synergistic active component can effectively inhibit the growth of propionibacterium acnes, relieve inflammatory response, regulate sebum secretion and enhance the antioxidant repair capacity of skin. The nano-particles prepared by the invention are concentrated in particle size distribution, high in entrapment rate and good in biocompatibility, are suitable for essence, spray, mask type and gel type acne-removing skin care products, and show excellent product transformation potential.

The invention relates to an instant active jasmine tea processing technology, and belongs to the technical field of tea processing. The jasmine tea and the water are subjected to ultrasonic treatment at room temperature, so that active ingredients of the jasmine tea can be activated, the activity during later extraction is improved, the active ingredients are easier to extract, and the catechin content, the amino acid content, the flavone content and the soluble sugar content in the instant jasmine tea are improved. According to the preparation method disclosed by the invention, the instant jasmine flower tea which is relatively high in brightness L value, light transmittance, dissolution rate, catechin content, amino acid content, flavone content and soluble sugar content and relatively low in caffeine content at the same time is obtained by optimizing the parameters of the processing technologies of all the steps, and the instant jasmine flower tea meets related national standard requirements.

The invention discloses a polydopamine-tea polyphenol coated copper manganese oxide composite nano-enzyme as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. According to the invention, a DA-Cu (II)-EGCG (epigallocatechin gallate) complex is formed by virtue of chelation of main components of dopamine and tea polyphenol, namely epigallocatechin gallate, and copper ions; potassium permanganate is introduced for oxidative polymerization to obtain the polydopamine-tea polyphenol / copper manganese oxide organic-inorganic hybrid nano composite material, the nano composite material is monodisperse nano particles, the average particle size is about 80 nm, the nano composite material shows excellent nano enzyme catalytic activity, active oxygen free radicals can be effectively removed, and the nano composite material can be used for preparing nano-enzyme. The material has good photo-thermal conversion performance under near-infrared light, and shows excellent photo-thermal and photodynamic synergistic antibacterial effects. The preparation method disclosed by the invention is simple, mild, environment-friendly, low in cost and convenient for batch production.

An object of the present invention is to provide a tea beverage having both a tea-like taste and a fruity aroma while containing tannin and catechin at low concentrations, a method for producing the same, and the like.SOLUTION: A tea beverage having a tannin concentration of 330mg / L or less, a caffeine concentration of 80mg / L or less, and a fruity aroma, wherein the tea beverage satisfies at least one of the following conditions (i) and (ii): (i) a roseoxide concentration of 0.0001 to 5ppm; and (ii) a citronellol concentration of 0.0001 to 10ppm.SELECTED DRAWING: None

The invention provides application of tea catechin in preparation of a medicine for preventing and treating bortezomib-induced peripheral neuropathy. A plurality of in-vitro model results show that tea catechin can be used as a copper death inhibitor, remarkably improves related indexes of bortezomib-induced peripheral neuropathy, improves survival rates of Schwanton cells and SH-SY5Y, improves mitochondrial functions and cell cycle abnormalities of the Schwanton cells, reduces intracellular copper ion, cuprous ion and ATP levels, and can be used for preparing the copper death inhibitor for the peripheral neuropathy of the Bortezomib-induced peripheral neuropathy of the Bortezomib-induced peripheral neuropathy. Meanwhile, the death of Schwann cells and SH-SY5Y induced by the copper death inducer is reduced. In-vivo experiments show that the tea catechin plays a role in protecting functional damage of the bortezomib, and the tea catechin remarkably improves mechanical hyperalgesia, gait abnormality and pathological changes of myelin sheath and axon of mice caused by peripheral neuropathy induced by the bortezomib. The tea catechin can be used as a medicine for peripheral neuropathy induced by bortezomib, and has high clinical application value and development prospect.

The invention provides a method for regulating synthesis of tea tree cis-catechin based on a CsAHL20 gene and application, and belongs to the technical field of plant molecular biology. The screened tea tree gene CsAHL20 can be combined with cis-catechin to synthesize a key enzyme CsANR gene promoter, and accumulation of the cis-catechin content of tea trees is inhibited; through verification, the CsAHL20 gene can increase the content of tea tree cis-catechin substances by silencing the gene through a virus-induced gene silencing technology, and can reduce the content of the tea tree cis-catechin substances by overexpressing the gene through an agrobacterium-mediated instantaneous transformation technology, so that the CsAHL20 gene can be used for regulating and controlling synthesis of the tea tree cis-catechin.

The invention relates to a tea-collagen composition with whitening and anti-aging effects as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The invention provides a tea-collagen composition with whitening and anti-aging effects. The tea-collagen composition is prepared from epigallocatechin gallate, collagen IV and collagen VII. According to the invention, the safety and anti-oxidation characteristics of EGCG are utilized, and collagen IV and collagen VII are combined to stabilize a cell basement membrane in the form of'glue ', so that the collagen is strengthened, and further the whitening and anti-aging effects are achieved. Meanwhile, experiments prove that the EGCG can synergistically improve the elastase inhibition ratio of the collagen IV and the collagen VII, conversely, the collagen IV and the collagen VII can also synergistically improve the tyrosinase inhibition ratio of the EGCG, and the tea-collagen composition has the whitening and anti-aging effects due to the complementation of the EGCG, the collagen IV and the collagen VII.

The invention discloses a processing method for increasing the content of methylated catechin in white tea. The processing method sequentially comprises the following steps: 1) picking fresh tea leaves; (2) properly withering the fresh leaves; according to the processing method, the content of methylated catechin in the white tea is effectively increased, so that the content of methylated catechin in the white tea is remarkably increased by 1.5-5 times, and the processing method has the advantages of being easy and convenient to operate, low in cost and the like and has wide application prospects in the field of white tea processing.

The invention discloses an areca-nut solid fertilizer for improving the content of catechin and precise nutrition of areca-nuts and application of the areca-nut solid fertilizer, and belongs to the technical field of fertilizer preparation. The preparation method comprises the following steps: mixing cassava straws, cassava residues, hermetia illucens sand, calcium superphosphate, quick lime and zymophyte, and carrying out first composting fermentation to obtain a first fermented product; and adding macroelements containing monopotassium phosphate, potassium nitrate, urea, calcium carbonate and magnesium sulfate in a specific proportion, microelements containing boron, zinc, copper, iron and manganese in a specific proportion and bacillus subtilis into the first fermented product, carrying out second composting fermentation, and carrying out aging treatment to obtain the betel nut solid fertilizer. The prepared betel nut solid fertilizer can accurately provide nutrients according to the requirements of betel nuts for various nutrient elements, and negative effects on soil due to excessive nutrient elements are avoided; meanwhile, the content of areca catechin is increased, and the nutritional value of the areca catechin is enhanced.

The invention provides a method for judging the grade of Zhenmei green tea based on chemical components and a regression equation, and belongs to the technical field of agricultural product quality detection.The method comprises the steps that data of four target chemical components in to-be-detected Zhenmei green tea is obtained, comprising 5-gallic quinic acid, epigallocatechin gallate, gallocatechin gallate and epicatechin gallate, and is prepared from 5-gallic quinic acid, epigallocatechin gallate, gallocatechin gallate and epicatechin gallate; the data of the target chemical components are input into a regression equation, a prediction grade value corresponding to the to-be-detected Zhenmei green tea is obtained through calculation, the four target chemical components are obtained through screening based on data of known different grade sample sets, and the prediction grade value of the to-be-detected Zhenmei green tea is obtained. The regression equation is obtained through ridge regression analysis training based on data and quality grades of four target chemical components of known different-grade sample sets. The method is used for solving the problem that the grade of tea is inaccurately judged through sense organs at present, and the Zhenmei green tea grade judgment method completely based on quantifiable chemical components is achieved.

The invention provides a process for processing eurotium cristatum-containing Fuzhuan tea from Zijuan tea, which comprises the following steps of: preparing raw materials, namely taking sun-dried raw Yunnan Zijuan tea as a raw material; the raw materials are signed with a long-term purchasing contract signed by the Yunnan theaceae, and a Zijuan tea growth soil detection report and a Zijuan tea detection report are provided by the Yunnan theaceae. S2, the Zijuan tea is subjected to pile fermentation, steam compression molding, eurotium cristatum growing, drying, finished product obtaining and the like in sequence, the components of the Zijuan tea comprise anthocyanin, eurotium cristatum, tea polyphenol, catechin and amino acid powder, the Zijuan tea contains high-content anthocyanin and various active ingredients beneficial to the human body, and the eurotium cristatum is introduced, so that the health care effect of the Zijuan tea is improved; the tea leaves have various health-care functions of reducing blood pressure, reducing blood sugar, reducing uric acid, losing weight and the like, can also be blended with other tea, and through special fermentation and cultivation processes, the golden Zijuan tea has unique medical and pharmacological effects, and the Zijuan Fuzhuan tea has unique taste and fragrance.

The invention discloses a preparation method and application of a functional tea extract, and aims to solve the problems that active ingredients are easy to oxidize and degrade and low in purity in existing tea leaf processing. Enzymatic browning is inhibited through liquid nitrogen quick-freezing pretreatment, the mass transfer efficiency is enhanced in combination with dynamic ultrasonic-assisted extraction, efficient enrichment is achieved by adopting a multi-stage membrane separation or resin purification technology, and the retention rate and purity of catechin substances (especially epigallocatechin gallate EGCG) are remarkably improved. According to the method, thermal degradation and oxidation loss are effectively reduced, and the obtained extract has excellent antioxidant and antibacterial properties and can be widely applied to the fields of functional food, health care products and the like.

To provide an adzuki bean-derived food material including a bile acid micelle dissolubility inhibiting action and a bile acid binding insolubilized material forming action derived from adzuki beans, and to provide a production method of the same.SOLUTION: An adzuki bean-derived food material as a food material derived from Vigna angularis contains (+)-catechin 7-O-β-D-glucopyranoside, (+)-epicatechin 7-O-β-D-glucopyranoside and (+)-catechin, and includes a bile acid micelle dissolubility inhibiting action and a bile acid binding insolubilized matter forming action. A production method of the adzuki bean-derived food material includes the steps of: an adzuki bean immersion step of immersing adzuki beans in ethanol-containing water; a liquid matter collecting step of removing adzuki beans from the immersion water after the adzuki bean immersion step, and collecting a liquid matter; and a drying step of drying the liquid matter obtained in the liquid matter collecting step so as to obtain a dried matter.SELECTED DRAWING: None

The invention discloses a modified starch composition as well as a preparation method and application thereof, and relates to the technical field of new materials. Comprising the following steps: adding oxidized amylopectin, modified chitosan and kappa-carrageenan into deionized water, heating to 70-90 DEG C while stirring, continuously stirring, sequentially adding anthocyanin, epsilon-polylysine, catechin, ferulic acid, composite zinc nanoparticles, modified montmorillonite, a sodium alginate compound and synergistic particles, uniformly stirring, and carrying out ultrasonic treatment, so as to obtain a finished product. The modified starch composition is obtained. The tea tree essential oil is introduced into the synergistic particles, so that the fresh-keeping capability of the modified starch composition is effectively improved; and by adding the components such as the composite zinc nanoparticles and the sodium alginate compound, the thermal stability and the mechanical property of the material are further improved. Therefore, the modified starch composition disclosed by the invention has a wider application prospect in the fresh-keeping aspect of fruits, vegetables and fresh meat.

This invention relates to the field of intelligent control technology for tea processing, specifically to an adaptive optimization control method and system for tea processing parameters. The method involves performing near-infrared spectral scanning and hyperspectral imaging on incoming fresh leaves to obtain feature vectors; using a reaction kinetic model combining catechin enzymatic oxidation, chlorophyll demagnesiation, and amino acid thermal degradation with a data-driven residual correction network to calculate the state vectors of internal components; and having a near-end strategy optimization agent output the combined adjustment values ​​for the withering hot air temperature, rolling speed, and drying air inlet temperature, which are then sent to the processing equipment controller for execution. Through cross-process quality state transmission, the withering, rolling, and drying processes are linked for coordinated control. This invention dynamically tracks the state of internal components at the chemical reaction level, solving the technical problem of large quality fluctuations under heterogeneous fresh leaf conditions in existing lookup-based process parameter schemes.

The invention discloses toothpaste with efficient antibacterial and whitening functions. The core component of the toothpaste is a 2D / 2D KNbO / MoSpiezoelectric heterojunction nano material and tea polyphenol composite system. The KNbO / MoSheterojunction is synthesized through a hydrothermal method, the specific surface area reaches 11.13 m / g, the average pore size is 28.81 nm, and the antibacterial rate on escherichia coli within 3 minutes of ultrasonic treatment is 70%, and the antibacterial rate on staphylococcus aureus is 60.03%. The tea polyphenol (1-5mM) is preferably ester catechin (EGCG: ECG = 1: 1), and can synergistically enhance the inhibition on oral pathogenic bacteria (such as streptococcus mutans). According to the toothpaste, active oxygen sterilization is triggered by mechanical force through a piezoelectric-chemical synergistic effect, meanwhile, pigments are degraded, and the toothpaste has the functions of non-invasive whitening and enamel protection.

The invention relates to the technical field of tea leaf processing, and discloses a tea leaf extraction process with a catechin retention rate, which comprises the following steps: S1, crushing tea leaves; s2, carrying out enzymolysis by adopting a compound enzyme solution; s3, adding the eutectic solvent; s4, performing ultrasonic-assisted extraction under the protection of nitrogen; s5, performing centrifugal separation to obtain a deep-eutectic solvent extracting solution, and adsorbing catechin in the deep-eutectic solvent extracting solution through a macroporous adsorption resin column; s6, removing impurities; and S7, carrying out vacuum rotary evaporation, and drying to obtain tea polyphenol powder with high catechin content. Compared with the prior art, the method has the advantages that the dissolution rate of the catechin is increased from the source through composite enzymolysis and mild deep-eutectic solvent extraction, fine separation is realized at normal temperature by utilizing a multi-stage membrane technology, and degradation and isomerization of the catechin caused by heat and chemical factors are avoided to the greatest extent. The total content of catechin in a final product is effectively improved.

To provide an aromatic cartridge capable of improving a flavor of a heating type cigarette.SOLUTION: An aromatic cartridge comprises: a cylindrical cover; an aromatic substrate that is accommodated in one end side of the cover and is heated to produce an aerosol containing an aromatic component; and a filter that is accommodated in the other end side of the cover. The aromatic substrate includes a plant pulverized dry matter, an aerosol forma, and catechin in an amount of 0.1 mg to 135 mg.SELECTED DRAWING: Figure 1

The invention provides a fat-reducing nutritional composition containing a kelp extract and a preparation method of the fat-reducing nutritional composition, belongs to the technical field of foods, and relates to fermentation engineering and marine food manufacturing. The fat-reducing nutritional composition comprises the following components: a kelp extract, opuntia ficus-indica powder, an enhancer, a flavoring agent and a nutritional agent, wherein the enhancer is prepared from calcium beta-hydroxy-beta-methyl butyrate, catechin and betaine. The fat-reducing nutritional composition disclosed by the invention is scientific in compatibility of the components, can effectively regulate catabolism of fat, improve fat consumption, reduce fat accumulation, timely supplement nutrition, prevent muscle loss, synchronously improve the metabolic level and immunity of a body, and achieve the effects of health and fat reduction.

The application provides a method for preparing epigallocatechin gallate (EGCG) by using a dynamic axial compression column. The method comprises the following steps: taking a tea polyphenol extract as a raw material, and separating and purifying EGCG by using a dynamic axial compression column. The method can safely and efficiently prepare high-purity EGCG.

The invention relates to a novel beverage and a preparation method thereof. Comprising the following components in percentage by weight: 0.05%-0.6% of a double-petal red rose distillation extracting solution, 0.05%-0.6% of food-grade hyaluronic acid, 0.05%-0.6% of xylitol or erythritol, 0.1%-0.3% of a butterfly bean flower extracting solution, 0.05%-0.2% of a turmeric root extracting solution, 0.03%-0.1% of mint leaf essence, 0.1%-0.4% of chia seed powder, 0.2%-0.5% of aloe juice, 0.1%-0.3% of a pomegranate extracting solution, 0.05%-0.2% of a green tea extracting solution, 0.02%-0.1% of citric acid and the balance of water. Hyaluronic acid and rose hydrolat are added, so that the oral liquid has the effects of moisturizing, resisting aging, soothing liver-qi stagnation and relieving and reducing pressure after being orally taken, aloe polysaccharide and chia seeds form a stable colloidal network, satiety and skin repair capacity are improved, low sugar and low burden are achieved, pomegranate ellagic acid has the effects of resisting inflammation, natural color matching with butterfly bean flowers is achieved, visual interest is enhanced, green tea catechin and curcumin are compounded to resist oxidation, promote metabolism and strengthen immunity, and the oral liquid has the effects of promoting metabolism and improving immunity. And the defects of irritation, single nutrition and the like of the traditional beverage are overcome.

The invention provides a pharmaceutical composition containing oridonin, a pharmaceutical preparation containing the oridonin and application of the pharmaceutical preparation. The pharmaceutical composition comprises the oridonin and epigallocatechin gallate. By taking breast cancer cells MCF-7 as an in-vitro experimental model, the invention finds that compared with a control group (single medication), the composition of oridonin serving as a main component in rabdosia rubescens and epigallocatechin gallate serving as a main component in polyphenols in tea leaves has the advantages that in a specific ratio range, the content of the oridonin serving as the main component in the rabdosia rubescens and the content of the epigallocatechin gallate serving as the main component in the polyphenols in the tea leaves can be greatly stronger proliferation inhibition activity is shown on breast cancer cells. The compound can generate a synergistic inhibition effect on cancer treatment, and is suitable for preparing antitumor drugs.

The invention discloses a tea garden photovoltaic array inclination angle adjusting method, a storage medium and equipment, and the method comprises the steps: firstly building a photovoltaic array model in Rhino, adjusting the inclination angle theta of a photovoltaic panel to change the solar radiation amount I on a tea tree canopy, and obtaining the solar radiation amounts at different inclination angles; after fitting, a relation function I = f (theta) of the photovoltaic array inclination angle theta and the solar radiation amount I is obtained; collecting sample data to obtain a relation function between tea quality elements (amino acid A, catechin C, phenol-ammonia ratio Pa and water extract W) and solar radiation amount; and establishing a relation function Q = f (A, C, Pa, W) between the tea quality elements and the tea quality Q, and substituting the relation function into a relation Q = f (theta) between the quality score Q and the inclination angle theta. And obtaining the relationship Y = f (I) between the tea yield Y and the solar radiation amount I through a method of collecting sample data, and synthesizing the formulas to obtain the optimal angle of the photovoltaic array per month. According to the method, the radiation quantity of tea tree canopies is changed by adjusting the inclination angle of the photovoltaic panel, and finally the quality and yield of tea are improved.

A polyphenol-rich composition is orally taken to alleviate a symptom or symptom of a post-viral infection syndrome, and preferably post-COVID syndrome. Most typically, the composition comprises at least 50 wt% of total catechins, at least 20 wt% of total chlorogenic acids, and optionally up to 30 wt% of total supplemental antioxidants. The composition may be formulated from a green coffee bean extract, a green tea extract, a turmeric extract, sour cherries or an extract thereof, broccoli or an extract thereof, and kale or an extract thereof. It is worthy of notice that such compositions are effective in reducing proinflammatory cytokines and interleukinins, increasing NOHb, and reducing reactive oxygen species caused by mitochondrial dysfunction, iNOS activity, and NOX2 activity in individuals infected with SARS-CoV2.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker combination for auxiliary selection of a high-ester catechin tea tree and application thereof, and belongs to the technical field of molecular markers. The SNP molecular marker combination provided by the invention comprises three sites, namely an SNP1 (Single Nucleotide Polymorphism) located at Chr2: 197057556, an SNP2 located at Chr4: 36953566 and an SNP3 located at Chr11: 115194214; by detecting the genotypes of the SNP loci in a tea tree sample, a tea tree single plant with high ester catechin (CG, GCG and EGCG) content can be predicted and screened early, quickly and accurately, the breeding efficiency of a tea tree variety with high ester catechin content is remarkably improved, and the method has an excellent application prospect.

The invention provides a preparation method of fructus aurantii immaturus and paeonia lactiflora powder of a classic famous formula The invention also provides a method for detecting the quality of the fructus aurantii immaturus and paeonia lactiflora powder prepared by the preparation method of the classic famous prescription fructus aurantii immaturus and paeonia lactiflora powder. The invention establishes a preparation process of the immature bitter orange and Chinese herbaceous peony powder preparation, and particularly, a process route and key process parameters obtained through systematic research on immature bitter orange charcoal frying process parameters in the formula not only accord with description of the medicine in ancient books, but also can meet actual equipment conditions of modern large-scale production. Within the determined key process parameter range, the decrease amplitude of three heat-sensitive components, namely catechin, narirutin and naringin, which are easy to decompose after being heated in the immature bitter orange charcoal can be controlled within 10%, so that the effectiveness and the quality controllability of the product are ensured. The UPLC method established by the invention can more quickly realize simultaneous detection of eight components in the immature bitter orange and Chinese herbaceous peony powder, can be used as an evaluation method for the process research, and can also be used for controlling the product quality in the production of the immature bitter orange and Chinese herbaceous peony powder.

The invention relates to the technical field of plant biology, and discloses a method for improving stress resistance of secondary metabolites of tea trees. The method comprises the following steps: collecting multi-omics time sequence data of tea trees under drought stress, and constructing a time-space aligned multi-dimensional data matrix; modeling a dynamic causal regulation relationship among genes, metabolites and phenotypes by utilizing a dynamic Bayesian network; designing a multi-dimensional evaluation algorithm fusing network topology and biological effect to screen key regulatory genes; the influence on target metabolites such as catechin is quantitatively predicted through in-vivo computer disturbance simulation; and finally generating an optimal gene editing or molecular marker assisted breeding scheme. According to the method, breakthrough from correlation analysis to causal inference is achieved, and the accuracy and efficiency of collaborative improvement of the stress resistance and the secondary metabolites of the tea trees are improved.