9 results about "Pterocarya stenoptera" patented technology

This invention discloses a primer set for SSR molecular markers in *Pterocarya stenoptera* and its applications. By analyzing *Pterocarya stenoptera* germplasm samples from different regions, this invention obtained SSR molecular markers that can be used for the identification of the germplasm source (property) of *Pterocarya stenoptera*. Based on this, this invention also provides a primer set for SSR molecular markers in *Pterocarya stenoptera*. This primer set can not only be used for the identification of the propagation of *Pterocarya stenoptera*, but also for the analysis of genetic diversity and the construction of genetic linkage maps, exhibiting advantages such as high polymorphism, good repeatability, marker stability, and clear and easily interpretable banding patterns. Furthermore, this invention also provides a detection kit for SSR molecular markers in *Pterocarya stenoptera*, which can be used for the identification of the propagation of *Pterocarya stenoptera*, the construction of DNA fingerprint maps, and the evaluation of genetic diversity and phylogenetic studies, thus contributing to the molecular-assisted breeding of *Pterocarya stenoptera*.

The invention belongs to the technical field of edible fungus cultivation. The invention relates to an auricularia polytricha strain, in particular to a Jiangxi auricularia polytricha strain and a breeding method thereof. The invention provides a novel Auricularia polytricha (Auricularia polytricha) strain 'Jiangxi' (Auricularia polytricha) and an efficient breeding technology system of the novel Auricularia polytricha (Auricularia polytricha) strain. The strain is stable in character and high in auricularia polytricha fruiting capacity, and systematic artificial cultivation of auricularia polytricha is achieved for the first time. According to the invention, a liquid culture medium is optimized, so that the mycelium pellet density and biomass of the strain are respectively increased by 62.65% and 55.06%, and elaeagnus pungens, pterocarya stenoptera, ligustrum lucidum ait and sophora japonica are screened as optimal matrixes through cut-log cultivation; a high-yield bag cultivation medium is developed aiming at the strain, the biological efficiency is 75-83%, and the total yield of the third-generation fresh ears is about 130g / bag. The method breaks through the bottleneck that auricularia polytricha depends on wild collection, provides germplasm and technical support for industrialization, and has good application value.

The present application belongs to the technical field of large-scale seed cultivation of shellfish, and discloses a large-scale seed cultivation method of Patella pellucida. According to the practical breeding experience, it is found that the main reasons for the failure of seed cultivation are high mortality in the plankton and attachment stages, the vulnerability of the water body to the invasion of protozoa, the easy outbreak of harmful algae in the water body and the like, which lead to the failure of the development of the juvenile stage to the benthic life. The present application successfully breaks through the bottleneck of the seed cultivation of Patella pellucida by optimizing the seed cultivation environment, improving the seed cultivation technology and controlling the light, and can cultivate the Patella pellucida seed on a large scale. The juvenile snails with the size of 1-2 cm, which are suitable for proliferation, release or artificial cultivation, are provided, and the present application provides a solid reference for the breeding of Patella pellucida.

This invention provides an automatic bark peeling machine for *Pterocarya stenoptera*, capable of peeling bark from *Pterocarya stenoptera* trees of different diameters while preserving the integrity of the bark to the maximum extent. The machine includes a conveying module, a first extrusion module, a second extrusion module, and a peeling module. Conveying modules are located at both the front and rear ends of the peeling module. The first extrusion module is positioned above the conveying module at the front end of the peeling module, and the second extrusion module is positioned above the conveying module at the rear end of the peeling module. The conveying modules drive the *Pterocarya stenoptera* trees to move axially. The first and second extrusion modules press the *Pterocarya stenoptera* trees firmly onto the conveying rollers. The peeling module includes a slicing module and a tearing module. When the *Pterocarya stenoptera* trees move axially, each slicing blade cuts a slit parallel to the axial direction of the tree, with the depth of the slit in the radial direction not less than the thickness of the bark. When the bark is divided into strips and moves axially from front to back, the blade of each slicing blade cuts into the end of the bark.

This invention discloses a method for simultaneously separating multiple active ingredients from *Pterocarya stenoptera* essential oil, belonging to the field of natural product separation and purification technology. The invention includes the following steps: (1) sequentially subjecting *Pterocarya stenoptera* to steam distillation and molecular distillation to obtain *Pterocarya stenoptera* essential oil; (2) subjecting the *Pterocarya stenoptera* essential oil to dehydration and degassing to obtain pretreated essential oil; (3) subjecting the pretreated essential oil to two-stage molecular distillation to obtain fraction 1, fraction 2, and residual liquid; (4) subjecting fraction 1, fraction 2, and residual liquid to vacuum precision distillation to simultaneously separate multiple active ingredients from *Pterocarya stenoptera* essential oil. This invention features a green and environmentally friendly process, no organic solvent residue, low energy consumption, and strong controllability, enabling continuous industrial production. The purity of each monomer product is ≥98%, with the main component, methyl salicylate, having a purity ≥99%. This fully exploits the resource value of *Pterocarya stenoptera* essential oil and significantly increases the added value of the product.

The invention discloses a cornus wilsoniana oil catalytic hydrogenation in-situ composite catalyst as well as a preparation method and application thereof. The catalyst comprises a carrier, a bimetallic element generated on the carrier in situ and an in-situ carbon layer uniformly attached to the surface of the bimetallic element, the bimetallic element is composed of an alkali metal element and a non-precious metal element, and the mass percentage of the bimetallic element is 0.5-10 wt% of the total mass of the composite catalyst; the thickness of the in-situ carbon layer ranges from 0.5 nm to 2 nm. The preparation process of the catalyst comprises the following steps: dissolving a bimetallic element raw material in deionized water in a stirring state, slowly adding a dispersing agent for uniform dispersion, adding the carrier in a stirring state, and sequentially drying and performing two-stage calcination after full dipping. The catalyst is used for preparing the aviation kerosene through catalytic hydrogenation of cornus wilsoniana oil, the raw material conversion rate can reach 60%, the target product selectivity is 80% or above, and the technical target that the aviation kerosene can be biochemically treated can be achieved.

The invention belongs to the technical field of adhesives, and particularly relates to a method for preparing an adhesive from pterocarya stenoptera fruit extract modified phenolic resin and application. Aiming at the problem that the bonding strength of modified phenolic resin in the prior art cannot be guaranteed, the invention provides a method for preparing an adhesive by utilizing pterocarya stenoptera fruit extract modified phenolic resin and application, the method comprises the following steps: carrying out acid catalysis alkylation reaction, mixing phenol, a pterocarya stenoptera fruit extract and an acid catalyst, and carrying out heating reaction, an intermediate containing long-chain alkyl substituted phenol is obtained; and carrying out a base catalysis condensation polymerization reaction, cooling the reaction liquid subjected to the acid catalysis alkylation reaction, adding formaldehyde and a basic catalyst, and carrying out a heating reaction to complete condensation polymerization so as to obtain the modified phenolic resin. Through a two-step preparation process, a modifier is ensured to be efficiently embedded into a main chain, and the modified phenolic resin with low PDI is obtained. The cementing performance and the process stability are remarkably improved, high-value utilization of the low-value biomass resource, namely the pterocarya stenoptera fruits, is realized, and the development of a green adhesive is promoted.

The invention belongs to the technical field of oil extraction and purification, and provides acer truncatum seed oil for improving memory and an extraction and purification method thereof. The method comprises the following steps: freezing acer truncatum seeds, crushing to obtain the acer truncatum seeds, and adding the acer truncatum seeds into butane containing a surfactant for subcritical extraction; adding an aqueous solution containing ammonium sulfate and chitosan for back extraction, and separating to obtain an oil layer, a water layer and a precipitate; mixing the water layer and the precipitate, adding compound enzymes (flavourzyme and beta-glucanase) for enzymolysis, separating after enzymolysis to obtain an acer truncatum seed enzymatic hydrolysate, removing unreacted enzymes, concentrating, and mixing with the oil layer to obtain acer truncatum seed oil; adding the acer truncatum seed oil and a catalyst into absolute ethyl alcohol or methanol for reaction to obtain acer truncatum seed oil fatty acid ester; purifying through molecular distillation; the purified product is subjected to saponification, acid adding, water washing and extraction in sequence, and the acer truncatum seed oil rich in nervonic acid is obtained.

This utility model discloses a moisturizing cover for transplanting seedlings of *Adenium obesum*, belonging to the field of seedling transplanting. It includes a transplanting box and an adjusting assembly. The adjusting assembly includes a hollow column fixedly connected to the bottom of the transplanting box. A lifting piston is slidably connected to the inner wall of the hollow column. The outer walls of multiple hollow columns are fixedly connected through a connecting pipe. A sealing plug is inserted into the outer wall of one of the hollow columns. Through the coordinated use of these devices, the survival rate of seedlings during transplanting is improved. The hollow column, lifting piston, and three-jaw chuck work together to limit the position of seedlings with soil balls, ensuring their stability during transportation or handling and preventing seedlings from scattering due to collisions or shaking. It can also be height-adjusted to accommodate *Adenium obesum* seedlings of different heights. Combined with an atomizer, multiple atomizing nozzles, and condensation beads, it can maintain the temperature and humidity inside the box during seedling transplanting, improving the quality of the transplanting environment.