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34 results about "Membrane lipid peroxidation" patented technology

Cold-resistant agent for brassica rapa L. seedlings and application method of cold-resistant agent

The invention belongs to the technical field of agricultural production, and particularly relates to a cold-resistant agent for brassica rapa L. The cold-resistant agent for the brassica rapa L. seedlings is mainly characterized by comprising raw materials as follows: 15-25 mg/L of ABA (abscisic acid) and the balance of water, wherein the purity of the ABA (abscisic acid) is higher than or equal to 99.9%. The cold-resistant agent aims to solve the problem that the brassica rapa L. in the northern cold and arid regions is vulnerable to low-temperature freezing damage, growth of the overground part and the root system of the brassica rapa L. is promoted with chemical control means, especially the thickening growth of roots, the outstanding performance refers to increase of dry matter accumulation, and safe wintering of the brassica rapa L. is guaranteed; meanwhile, permeability (relative electrical conductivity) of leaf cell membranes as well as accumulation of membrane lipid peroxidation malonaldehyde can be reduced, so that the low-temperature freezing degree of leaves of the brassica rapa L. is reduced, the cold resistance of the brassica rapa L. is remarkably improved, and the cold-resistant agent has great practical significance on brassica rapa L. production.
Owner:GANSU AGRI UNIV

Seed processing device and method for improving drought resistance of wheat buds

The invention discloses a seed processing device and method for improving the drought resistance of wheat buds. The device comprises an adjustable frequency alternating current high voltage power supply, a reactor and an electrical parameter detection system. The peak voltage of the alternating current high voltage power supply can be adjusted in 0-50 kV, and the frequency is adjustable in 50-1000 Hz; a stainless steel sheet is adopted as a high voltage electrode; a quartz glass sheet used as a discharge medium clings to the bottom surface of the high voltage electrode; and a metal mesh is adopted as a grounding electrode. The high voltage terminal of the alternating current high voltage power supply is connected with the high voltage electrode of the reactor, and the low voltage terminal of the alternating current high voltage power supply is connected with the grounding electrode of the reactor. A digital oscilloscope, a voltage probe and a current probe form the electrical parameter detection system which is used for detecting a discharge voltage and a current signal. The device and the method can promote the germination of wheat seeds under a drought condition and promote the growth of wheat seedlings under the drought condition, the membrane lipid peroxidation level of buds is reduced after discharge treatment, damages of oxygen radicals to the buds are reduced, and the discharge treatment improves the drought resistance of the buds.
Owner:NORTHWEST A & F UNIV

A preparing method of functional skincare fibers

The invention relates to a preparing method of functional skincare fibers, belonging to the technical field of functional fabrics. Snow fungus is utilized to regulate oxygen radical balance of epidermis, and has functions of removing epidermis free radicals, accelerating skin cell number restore, inhibiting membrane lipid peroxidation and effectively preventing body damage caused by radiation of radioactive rays, so that the prepared skincare fibers have excellent use effects on skin nursing and moisturizing. Silk having excellent mechanical performance and good biomechanical properties is adopted as a raw material and is crosslinked with a tremella polysaccharide-iron composite to form a three-dimensional network structure, interactions among fibers are enhanced, amino acids and protein are partially immobilized, thus effectively preventing skin dryness, wrinkles and ageing, and suppressing melanogenesis in skin. The functional skincare fibers have an antioxidation function and an antibacterial function, can resist skin damage caused by ultraviolet rays, sunlight, microwaves, chemicals and air pollutants, , can be prepared into ultrathin fabrics and have a wide application prospect.
Owner:FOSHAN LINGXIE ENVIRONMENTAL PROTECTION TECH CO LTD

Anti-freezing composition and anti-freezing injection for rosaceous plants, preparation method of anti-freezing injection and anti-freezing transfusion drug

The invention provides anti-freezing composition and an anti-freezing injection for rosaceous plants, a preparation method of the anti-freezing injection and an anti-freezing transfusion drug, and belongs to the technical field of freeze protection of crops. The anti-freezing composition comprises components in parts by weight as follows: 40-60 parts of sorbitol, 0.5-1 part of biostimulant, 6-8 parts of soluble dihydric phosphate, 1-2 parts of boron substances, 2-4 parts of soluble zinc-containing substances and 1-1.5 parts of chelating agent. The anti-freezing injection comprises the anti-freezing composition and 40%-60% of the first water by mass. The preparation method of the anti-freezing injection comprises the step that the anti-freezing composition is dissolved in the first water. The anti-freezing transfusion drug comprises the anti-freezing injection and 1%-2% of second water by mass. According to the composition, osmotic pressure and membrane lipid peroxidation in tissue of rosaceous fruit trees are effectively controlled by adjusting sugar concentration in tree tissue, and cold resistance of the rosaceous plants is improved and the rosaceous plants are promoted to resistfrost injury in early spring.
Owner:SHANDONG YANTAI AGRI SCI & TECH INST

Novel tea polyphenol induction salt-tolerant application, seed soaking solution and salt-tolerant method for wheat seedlings

The invention discloses novel tea polyphenol induction salt-tolerant application, seed soaking solution and a salt-tolerant method for wheat seedlings. The wheat seedlings are irrigated with the seed soaking solution in salination environments when the wheat seedlings grow and the heights of the wheat seedlings reach 10 cm. The salt-tolerant method includes 1), disinfecting wheat seeds; 2), repeatedly thoroughly washing the disinfected wheat seeds in distilled water; 3), accelerating germination of the wheat seeds; 4), irrigating the wheat seedlings with the seed soaking solution for continuous three days when the wheat seedlings grow and the heights of the wheat seedlings reach 10 cm. The seed soaking solution contains tea polyphenol, and the content of the tea polyphenol is 10-40 micrograms/mL. The novel tea polyphenol induction salt-tolerant application, the seed soaking solution and the salt-tolerant method have the advantages that degradation of chlorophyll in leaves of the wheat seedlings can be obviously deferred under salt-stress conditions, the activity of CAT (catalase) and POD (peroxidase) can be improved, the proline content can be increased, accumulation of membrane lipid peroxidation products MDA can be reduced, and the salt-stress resistance of the wheat seedlings can be ultimately improved.
Owner:苏州智品尚生物科技有限公司

New application of tea polyphenols inducing salt resistance of wheat seedlings, seed soaking solution, and salt resistance methods

The invention discloses novel tea polyphenol induction salt-tolerant application, seed soaking solution and a salt-tolerant method for wheat seedlings. The wheat seedlings are irrigated with the seed soaking solution in salination environments when the wheat seedlings grow and the heights of the wheat seedlings reach 10 cm. The salt-tolerant method includes 1), disinfecting wheat seeds; 2), repeatedly thoroughly washing the disinfected wheat seeds in distilled water; 3), accelerating germination of the wheat seeds; 4), irrigating the wheat seedlings with the seed soaking solution for continuous three days when the wheat seedlings grow and the heights of the wheat seedlings reach 10 cm. The seed soaking solution contains tea polyphenol, and the content of the tea polyphenol is 10-40 micrograms / mL. The novel tea polyphenol induction salt-tolerant application, the seed soaking solution and the salt-tolerant method have the advantages that degradation of chlorophyll in leaves of the wheat seedlings can be obviously deferred under salt-stress conditions, the activity of CAT (catalase) and POD (peroxidase) can be improved, the proline content can be increased, accumulation of membrane lipid peroxidation products MDA can be reduced, and the salt-stress resistance of the wheat seedlings can be ultimately improved.
Owner:苏州智品尚生物科技有限公司

Kiwi fruit preservation and fresh-keeping method

PendingCN110353037AHigh hardnessBrix ImprovementFruit and vegetables preservationActinidiaActina
The invention provides a kiwi fruit preservation and fresh-keeping method. According to the method, a 6-benzyl adenine aqueous solution is used as a preservative. The method comprises the following steps: immersing kiwi fruit in a container containing the 6-benzyl adenine aqueous solution; placing the treated kiwi fruit into a plastic film bag and preserving at 0 DEG C. The kiwi fruit treated with6-BA and preserved at 0 DEG C has the following advantages: hardness and sugar content of the kiwi fruit are both improved; cell membrane permeability is also reduced and metabolic rate is inhibited;and the accumulation of malondialdehyde is reduced, the degradation of chlorophyll is alleviated, and decline in the activity of various enzymes is also inhibited. The 6-BA hinders the decompositionof endogenous antioxidants and maintains the metabolic balance of active oxygen in kiwifruit pulp. The 6-BA hinders the decline in activity of ROS (reactive oxygen species) metabolism related enzymesand reduces membrane lipid peroxidation, i.e. slows down the physiological metabolism of the kiwi fruit, delays the process of senescence after picking, and has a good effect on kiwifruit preservation.
Owner:NANYANG NORMAL UNIV

Cold-resistance agent for cabbage-type winter rape seedlings and application method thereof

InactiveCN104798788BPromote growthPromote thickening and growthPlant growth regulatorsBiocideAridChemical control
The invention belongs to the technical field of agricultural production, and particularly relates to a cold-resistant agent for brassica rapa L. The cold-resistant agent for the brassica rapa L. seedlings is mainly characterized by comprising raw materials as follows: 15-25 mg / L of ABA (abscisic acid) and the balance of water, wherein the purity of the ABA (abscisic acid) is higher than or equal to 99.9%. The cold-resistant agent aims to solve the problem that the brassica rapa L. in the northern cold and arid regions is vulnerable to low-temperature freezing damage, growth of the overground part and the root system of the brassica rapa L. is promoted with chemical control means, especially the thickening growth of roots, the outstanding performance refers to increase of dry matter accumulation, and safe wintering of the brassica rapa L. is guaranteed; meanwhile, permeability (relative electrical conductivity) of leaf cell membranes as well as accumulation of membrane lipid peroxidation malonaldehyde can be reduced, so that the low-temperature freezing degree of leaves of the brassica rapa L. is reduced, the cold resistance of the brassica rapa L. is remarkably improved, and the cold-resistant agent has great practical significance on brassica rapa L. production.
Owner:GANSU AGRI UNIV

Fertilizer for preventing and treating low-temperature disasters and preparation method thereof

The invention belongs to the technical field of fertilizer production, and particularly relates to a fertilizer for preventing and treating low-temperature disasters and a preparation method thereof.The fertilizer comprises the following raw materials in parts by weight: 16-20 parts of potassium feldspar, 6-10 parts of phosphogypsum, 33-37 parts of a chestnut flower extraction matter, 7-9 parts of an earthworm extraction solution, 21-23 parts of an isatis root extraction matter, 21-25 parts of a grape skin fermentation matter, 41-45 parts of a rice bran ash enzymolysis matter, and 400-500 parts of water. By carrying out extraction and decomposition on natural substances, the purpose of adjusting osmotic balance of crops can be achieved, at the same time, beneficial microorganisms are attracted to gather in the root system, vitality of the root system can be improved, absorption is promoted, accumulation of superoxide radicals in crop cells is beneficial to be cleared, damage of membrane lipid peroxidation is reduced, and at the same time, antioxidants are used, activity of the enzyme system is protected, and breeding of pathogenic bacteria is inhibited, so that the ability of thecrops to resist low temperature stress is effectively enhanced.
Owner:贵州义龙万丰生态肥业有限公司
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