16 results about "Periplaneta" patented technology

The present application belongs to the field of microbial technology, and particularly relates to Streptomyces louchei WA11-1-1 and application thereof. The Streptomyces louchei WA11-1-1 provided by the present application is isolated from Periplaneta americana, and the strain is currently preserved in the Guangdong Microbial Culture Collection Center with a preservation number of GDMCC NO.61629 and a preservation date of May 19, 2021. The Streptomyces louchei WA11-1-1 provided by the present application can convert 7-xylose-10-deacetyl paclitaxel into 10-deacetyl paclitaxel in fermentation, and under the conditions of a xylan concentration of 0.8%, a fermentation time of 4d, a fermentation temperature of 28℃ and a liquid loading of 250mL, the conversion rate can reach 40.72±1.08%, which is 1.85 times higher than that before optimization, and the Streptomyces louchei WA11-1-1 can be used for preparation of anticancer drugs and has a wide application prospect.

The invention discloses a periplaneta americana extract as well as a preparation method and application thereof. The preparation method comprises the following steps that periplaneta americana nymphs are sequentially subjected to extraction treatment, degreasing treatment and purification treatment, and the periplaneta americana extract is prepared; wherein the extraction treatment comprises a step of extracting with an alcoholic solution A; the purification treatment comprises the step of eluting with macroporous adsorption resin, and the elution comprises the step of eluting with an alcoholic solution B; the volume concentration of the alcoholic solution B is 1%-20%, and% is the volume ratio of alcohol in the alcoholic solution B. According to the preparation method disclosed by the invention, the periplaneta americana nymphs do not need to be subjected to any treatment operation, extraction operation is directly carried out, the yield of the extract is improved while the growth cycle of medicinal materials is shortened, and the obtained periplaneta americana extract is relatively low in molecular weight and rich in micromolecule polypeptide.

The utility model relates to the technical field of cockroach prevention and control, in particular to a double-bait box for cockroach prevention and control, which comprises an upper cover and a lower shell which are detachably connected, and the lower shell comprises a connecting plate, and is characterized in that a first bait box and a second bait box are fixed at the top of the connecting plate; the first bait box is arranged on the left side of the top of the connecting plate, and the second bait box is arranged on the right side of the top of the connecting plate. Two bait boxes different in size are arranged on the connecting plate at the same time, bait for German cockroaches can be placed in the first bait box, bait for American cockroaches can be placed in the second bait box, the German cockroaches and the American cockroaches are prevented and controlled at the same time, and the effect of preventing and controlling the two cockroaches at the same time is improved; by arranging a first groove, a second groove and a clamping strip, the stability of inserting connection of the bait box and the upper cover can be improved; by arranging the mistaken eating prevention assembly, children can be prevented from eating mistakenly, and the safety of the device is improved.

This invention discloses the application of an effective component extract from the American cockroach (Periplaneta americana) in the preparation of products or functional compound products for hair growth, hair darkening, and hair care, belonging to the field of pharmaceutical application technology. Using modern separation and purification processes, the degreased extract of the American cockroach was processed to obtain component samples. A mouse model was established by injecting dihydrotestosterone (DHT), and the effective component extract with good hair growth activity was successfully screened. This extract can significantly shorten the time for hair to grow out of the skin in the bald area of ​​mice, prolong the hair growth cycle, promote the production of subcutaneous melanocytes in mice, significantly increase the content of superoxide dismutase and glutathione peroxidase in the skin tissue of the bald area, while decreasing the malondialdehyde content in the bald area tissue, and regulating the levels of testosterone and estradiol in mouse serum. It has a hair growth promoting effect and can be used to prepare products for treating or preventing hair loss or darkening hair, and can also be used in other compound products with corresponding hair growth efficacy.

The present application belongs to the technical field of animal feed, and specifically discloses a feed for promoting pig growth by using defatted Periplaneta americana to replace soybean meal and a preparation method thereof. The feed for promoting pig growth by using defatted Periplaneta americana to replace soybean meal can effectively improve the average daily weight gain of fattening pigs, reduce the serum malondialdehyde content and muscle acidity value, and thus improve the growth performance, health status and meat quality of the fattening pigs, compared with conventional corn-soybean meal feed. The present application determines the digestible energy, nutrient digestibility and standard ileal amino acid digestibility of defatted Periplaneta americana, and the effect and potential mechanism of defatted Periplaneta americana replacing soybean meal to promote pig growth and health. The present application not only can alleviate the problem of tight soybean meal resources and improve the utilization efficiency of feed protein, but also can promote the wide application of Periplaneta americana (insect protein) in livestock and poultry production, and has important economic value and application prospect.

The invention belongs to the technical field of new application of a periplaneta americana extract, and provides application of the periplaneta americana extract in preparation of a medicine for treating radiodermatitis. Skin wound healing promoting drug effect research tests find that the American cockroach extract provided by the invention has a remarkable repair promoting effect on a full-thickness skin defect rat model established by an operation, and the effect is remarkably superior to that of Kangfuxin liquid; a pharmacological research test on prevention and treatment of X-ray-induced rat radiodermatitis shows that the American cockroach extract provided by the invention can significantly improve clinical symptoms of a Wistar rat radiodermatitis model induced by X-ray irradiation, and the pharmacological effect is significantly superior to that of a positive drug triethanolamine emulsifiable paste; research tests on efficacy of electron ray induced rat back dermatitis in external use find that the American cockroach extract provided by the invention can significantly improve clinical symptoms of an SD rat radiodermatitis model induced by electron ray irradiation, and shows a significant skin injury repair effect.

The invention discloses a new application of a dried periplaneta americana polypide extract, and relates to the technical field of the dried periplaneta americana polypide extract, and the dried periplaneta americana polypide extract can improve blood circulation and capillary functions of cerebral small vascular diseases through anti-inflammatory, anti-oxidation and tissue repair effects. Meanwhile, neuron damage can be relieved, and the cognitive function can be improved. Animal pharmacological experiment results show that the American cockroach dried polypide extract can significantly improve the cognitive competence of model animals, and has great application value in the field of treatment of cerebral small vascular disease cognitive impairment.

The invention discloses a periplaneta americana breeding method which comprises the following steps: step 1, preparing equipment, using a modular breeding box, dividing the interior of the modular breeding box into four independent breeding areas, namely a larva area, a nymph area, an adult area and a spawning area, separating the areas through sealing partition plates, and arranging independent environment regulation and control modules, the environment regulation and control module comprises a temperature control module, a humidity control module and an illumination regulation and ventilation system; 2, seed insect screening: selecting American cockroach adults with no body surface damage, quick activity, no deformity and excrement formation, the weight of a single American cockroach adults being greater than or equal to 1g, the male-female ratio being 3: 1 and the putting density being 100-200 adults per square meter, disinfecting a culture box before putting, performing spray disinfection on the culture box by adopting a 0.5% peracetic acid aqueous solution before putting, and ventilating for 24 hours after disinfection, after no disinfectant is left in the box body, seed insects are put in. The invention relates to the technical field of breeding, and particularly provides a breeding method of periplaneta americana.

The invention belongs to the technical field of gene engineering, and discloses dsRNA (double-stranded ribonucleic acid) of a Pa25637 gene related to development and reproductive power of male attached glands of periplaneta americana as well as a preparation method and application of the dsRNA. The invention discloses the Pa25637 gene related to the male mononuclear gland reproductive power of a targeted cockroach insect (especially periplaneta americana) for the first time, and the Pa25637 inhibitor is used for reducing the Pa25637 (inhibiting the expression of the Pa25637) in a targeted manner, degrading the Pa25637, inhibiting the activity of the Pa25637 and reducing the development of the male mononuclear gland and the female reproductive power, so that the number of offspring of the cockroach insect is remarkably reduced, and the final purpose of preventing and treating pests is achieved. And a new molecular target is provided for pest control.

The invention relates to a sprayable lipid liquid crystal gel precursor containing a periplaneta americana freeze-dried concentrate as well as a preparation method and application thereof, belongs to the technical field of pharmaceutical preparations, and solves the problems that an existing gel dosage form containing a periplaneta americana extract adopts a water-based gel matrix with high water content, a high-dose preservative needs to be added, and the cost is high. And the damaged skin is possibly stimulated. The lipid liquid crystal gel precursor comprises the following main active ingredients in percentage by mass: 1%-6% of periplaneta americana freeze-dried concentrate, 0.05%-1% of SOD (superoxide dismutase), 0.5%-3% of triethanolamine, 20%-30% of SPC (sodium phosphate), 50%-60% of GDO (glucose dissolved oxygen) and 5%-15% of absolute ethyl alcohol. The preparation method comprises the following steps: 1, preparing a liquid crystal matrix phase and an active component phase; and 2, uniformly mixing the liquid crystal matrix phase and the active component phase according to a mass ratio of (85-90): (10-15) to obtain the lipid liquid crystal gel precursor.

The invention discloses preparation of a feed for breeding periplaneta americana by using Maotai wine vinasse, the feed is prepared by compounding a basal feed and pretreated Maotai wine vinasse, and the basal feed comprises the following components in parts by weight: 30-40 parts of corn flour, 5-10 parts of wheat flour, 0.8-1.2 parts of dry yeast, 1.5-2.5 parts of bean cakes, 0.4-0.6 part of stone powder, 1.8-2.2 parts of rape seed cakes and 1.8-2.2 parts of white granulated sugar; the addition amount of the pretreated Maotai wine vinasse in the compound feed is 10-30% in percentage by weight. The Maotai wine vinasse is compounded into the feed, so that the breeding cost can be reduced, and the resource utilization of the vinasse can be realized.

The application provides a rehabilitation new liquid and a preparation method thereof. The application uses Periplaneta americana as a raw material, extracts, concentrates and defats the Periplaneta americana, directly uses defatted liquid of the Periplaneta americana and specified components to prepare the rehabilitation new liquid, omits multiple process steps such as filtering and concentrating and collecting cream in the preparation process, simplifies the production process, shortens the production cycle, improves the production efficiency, and reduces the production cost.

The application provides a low-eutectic bio-adhesive based on mixed polypeptides of Periplaneta americana and snake slough and a preparation method. Based on the application status of Periplaneta americana and snake slough in surgical diseases and external use drugs, the bio-adhesive fuses the optimal proportion of two animal polypeptide extracts and a low-eutectic solvent, and the three form a uniform composite system through a low-eutectic effect and a self-assembly process, is solidified at a diseased part through a preheating-cooling mode and plays a role. The low-eutectic solvent plays multiple roles as a cosolvent, a plasticizing excipient, a penetration enhancer, a bacteriostatic agent and an auxiliary functional substance. The preparation process is fast, the conditions are mild, special equipment is not needed and the process is easy to scale. The adhesive formula is simplified to the maximum extent, the raw materials are green, the system is stable, no other components are specially added, the operation is simple during use and the bio-adhesive is friendly and safe as an auxiliary treatment means. The whole system fully utilizes the unique activity and nursing efficacy of various components and can play a synergistic treatment role.

The application discloses a food preparation method and an automatic feeding system for breeding Periplaneta americana by using organic waste, and belongs to the technical field of insect breeding. The food preparation method comprises a plurality of steps for processing organic waste; the automatic feeding system comprises a plurality of supports, the supports are vertically provided with a plurality of feeding layers from bottom to top; a receiving surface is equidistantly arranged on the feeding layer, and the receiving surfaces on adjacent feeding layers are staggered; a feeding assembly is arranged at the top of the support and used for feeding the organic waste to the feeding layer; and an organic waste processing assembly is used for collecting and processing the organic waste. The feeding assembly comprises a feeding bin, and the feeding bin feeds the organic waste to the receiving surface on the lower feeding layer. Through the application, the fed organic waste can be laid on the receiving surface of each feeding layer layer by layer, so that the organic waste can be dispersed, and the possibility of accumulation in the feeding process of the Periplaneta americana is reduced.

The invention relates to a periplaneta americana polypeptide CWP09 and application thereof. The CWP09 can be used for preventing, relieving and / or treating ulcerative colitis.

The utility model relates to a device for repelling periplaneta americana in a sewer, belongs to the technical field of cockroach repelling, and solves the technical problem of poor cockroach repelling effect caused by limited volatilization time of a traditional chemical agent. The device for repelling the periplaneta americana in the sewer comprises a box body and a water absorption module, the box body is provided with a containing cavity, a through hole is formed in the outer wall of the box body and communicated with the containing cavity, and the water absorption module is installed in the containing cavity and used for adsorbing liquid medicine for repelling the periplaneta americana. Therefore, the device for repelling the periplaneta americana in the sewer adsorbs the medicament through the water absorption module so as to slowly release the medicament, so that the continuous volatilization time is prolonged, the effect of continuously repelling the periplaneta americana is kept, through holes in the box body reduce too fast medicament evaporation so as to reduce frequent medicament replacement or medicament re-spraying, the operation frequency is reduced, and the cost is reduced. Therefore, the periplaneta americana in the sewer can be continuously repelled, and the repelling effect on the periplaneta americana is improved.