12 results about "Porphyridium sp." patented technology

The present invention discloses a feed additive for secondary spawning of red claw crayfish, as well as its preparation method and application. The present invention comprises the following components: 29.5-30.5% bait powder, 24.5-25.5% methyl farnesate, 9.5-10.5% schizochytrium powder, 9.5-10.5% Porphyridium powder, 7-8% 5-hydroxytryptamine creatinine sulfate, 9.5-10.5% linseed oil, and 7-8% alanine hydroxamic acid; the bait powder is a mixture of lugworm powder and squid viscera powder in a weight ratio of 4-6:5. The present invention also provides a preparation method for the above-mentioned feed additive. The feed additive of the present invention is added to conventional shrimp feed to prepare a compound shrimp feed for feeding the first batch of spawning shrimp of red claw crayfish. The present invention can significantly promote the gonadal development of spawning shrimp of red claw crayfish, rapidly mature their ovaries in a short period of time, improve the spawning rate of spawning shrimp obtained therefrom, and thereby increase the supply of shrimp fry.

The invention discloses a microalgae application method for preventing and treating Vibrio diseases in shrimp farming, which relates to the technical field of shrimp farming, and comprises the following steps: S1, culturing Porphyridium cruentum and Phaeochromis triangularis; S2, mixing Porphyridium cruentum and Phaeochromis triangularis to form a composite algae liquid, and spreading it in the shrimp farming water body. The microalgae application method for preventing and treating Vibrio diseases in shrimp farming can effectively improve the survival rate and growth rate of shrimps after suffering from Vibrio diseases, realize green and efficient shrimp farming, and reduce farming risks.

The invention relates to the field of microorganisms, and particularly discloses porphyridium, an aquaculture sewage treatment agent containing the porphyridium and a preparation method of the aquaculture sewage treatment agent. The porphyridium cruentum is named as the porphyridium cruentum QDHP-404 and is preserved in the China Center for Type Culture Collection, the preservation date is March 9, 2023, and the preservation number is CCTCC (China Center for Type Culture Collection) NO: M2023273; the porphyridium QDHP-404 algae powder can be used for preparing an aquaculture sewage treatment agent, can effectively remove total phosphorus, ammonia nitrogen and the like without pollution, enables aquaculture water to reach the discharge standard, reduces the cost, shortens the treatment period and improves the disease resistance of aquatic organisms.

The invention relates to the technical field of bioengineering, in particular to a combined carbon sequestration method for treating radioactive strontium pollution of seawater by porphyridium. The method comprises the following steps: inoculating a porphyridium strain into a radioactive strontium polluted seawater culture medium for treatment, adding a certain content of inorganic salt and trace element solution, continuously illuminating, and controlling the temperature, illumination intensity, sterile mixed gas ventilation rate and carbon dioxide ventilation concentration to realize the effect of treating seawater radioactive strontium pollution by porphyridium and combining carbon sequestration. The concentration of strontium element in seawater and the fixation of carbon dioxide are realized by utilizing the growth of porphyridium. According to the method, microalgae carbon sequestration is combined with wastewater treatment and biofuel production, so that the method has remarkable environmental and economic advantages, and the production cost and the energy consumption can be reduced to a certain extent. The method is easy to operate and low in cost and has certain universality.

The present application adopts the mixture of porphyridium cruentum and chlorella culture solution to form a plant nutrient solution, which is rich in nutrient elements such as nitrogen and phosphorus, and marine microalgae and porphyridium cruentum cells, and can provide mineral elements required for plant growth for soil, and improve the stress resistance of crops in saline-alkali soil.

The present application relates to the technical field of bioengineering, and particularly relates to a method for treating seawater radioactive strontium pollution and fixing carbon by Porphyridium cruentum. The Porphyridium cruentum is inoculated into seawater medium polluted by radioactive strontium for treatment, and a certain content of inorganic salt and trace element solution is added, and continuous illumination is carried out, wherein the temperature, illumination intensity, sterile mixed gas ventilation rate and carbon dioxide ventilation concentration are controlled, so that the effect of treating seawater radioactive strontium pollution and fixing carbon by Porphyridium cruentum is realized, and the growth of Porphyridium cruentum is used to realize the concentration of strontium elements in seawater and the fixation of carbon dioxide. The present application combines the microalgae carbon fixation with wastewater treatment and biofuel production, has significant environmental and economic advantages, and can reduce the production cost and energy consumption to a certain extent. The method is simple in operation, low in cost and has certain universality.

The present invention relates to the cosmetic use of an oily crude extract of the microalga Porphyridium cruentum or an oily ingredient comprising it to prevent the appearance and / or reduce the visibility of wrinkles and / or fine lines, particularly expression lines, and / or to smooth the skin, and / or to improve sleep quality and / or reduce stress. The invention also relates to a cosmetic composition comprising the oily ingredient, as well as a cosmetic treatment method comprising the topical application of the oily ingredient or the cosmetic composition comprising it.

The invention discloses a high-antioxidant extracellular polymeric substance derived from porphyridium virens, the extracellular polymeric substance is derived from the porphyridium virens, and the preservation number of the porphyridium virens is CCTCC (China Center for Type Culture Collection) NO: M 20241906. The invention further discloses a preparation method of the high-antioxidant extracellular polymeric substance derived from the porphyridium virens. The invention also discloses the extracellular polymeric substance and application thereof. The novel Porphyridium viride sp.Fan-3 is obtained, and the extracellular polymeric substance produced by the Porphyridium viride sp.Fan-3 is specific in composition, has a remarkable anti-oxidation effect, can be used as an oxidizing agent in food, cosmetics and medicines, and has a wide application prospect.

The invention discloses an anti-ultraviolet skin-care chinlon filament and a preparation method thereof, and relates to the technical field of chinlon filaments, the anti-ultraviolet skin-care chinlon filament comprises chinlon and functional master batch which are mixed with each other, and the functional master batch is formed by mixing porphyridium cruentum extract, spirulina platensis extract and inorganic phosphors; functional master batches are arranged, the functional master batches are composed of compositions with wavelength conversion substances, the wavelength conversion substances convert the wavelength of ultraviolet rays contained in incident light to emit 4-14 [mu] m far infrared rays capable of being absorbed by a human body, and the far infrared yarn within the wavelength range is recognized as light beneficial to human skin. When the yarn is used for preparing summer skin-fitting clothes, harmful ultraviolet light can be converted into beneficial infrared light when the yarn is used, and a good anti-ultraviolet effect and a skin-care and beautifying effect are expected to be achieved.

A method for fattening oysters by using composite microalgae and lactic acid bacteria in cooperation, comprising temporarily raising oysters; selecting chlorella marina, porphyridium sp, skeletonema costatum and chateoceros muelleri as composite microalgae, and culturing each microalgae in f / 2 medium to logarithmic growth phase; using lactobacillus plantarum as probiotic agent, and activating and expanding the culture; then collecting and concentrating the bacterial cells; and preparing bacterial suspension for standby; mixing the composite microalgae liquid and the lactobacillus plantarum bacterial suspension in a fermentation container, and carrying out fermentation by static method; then feeding the above fermentation mixture twice a day, taking out the oysters after d, and ending the fattening. By the synergistic effect of microalgae and lactic acid bacteria, the method can significantly improve the fullness, protein, total sugar, triglyceride and unsaturated fatty acid content of oysters, effectively reduce the fattening cost, not only accelerate the weight gain of oysters and improve the meat yield, but also purify the aquaculture water through the metabolic activity of microalgae, and reduce the accumulation of nitrogen and phosphorus in the water.

The invention discloses a skin cleaning composition for mildly shrinking pores and removing blackheads, handmade soap as well as a preparation method and application thereof, the skin cleaning composition comprises an oil phase and further comprises the following components in parts by weight: 5-10 parts of bakuchiol and 10-20 parts of ethyl linoleate; 5-10 parts of keratinase and 10-20 parts of silicon dioxide microspheres; 5 to 10 parts of porphyridium polysaccharide; according to the invention, propionibacterium acnes can be inhibited, and inflammation caused by bacterial infection can be reduced from the source; sebum composition is adjusted, and excessive sebum secretion is inhibited; mild cutin removal is achieved, chemical stimulation is avoided, accumulated cutin and dirt are removed by penetrating into pores, and generation of blackheads is reduced; under the synergistic effect of multiple angles, the effects of shrinking pores and removing blackheads can be well achieved, and the traditional Chinese medicine composition has a good application prospect in the field of daily chemical products.

According to the method, the porphyridium liquid is homogenized, the cell disruption degree is controlled, the cell polysaccharide extraction rate is increased, the solid-liquid separation problem of the viscous cell-polysaccharide solution is effectively solved, a membrane separation technology is used for replacing a traditional alcohol precipitation technology, operation is easy and convenient, product stability is improved, and the method is suitable for continuous production and low in cost. The porphyridium polysaccharide retains the moisturizing, soothing and other effects of the porphyridium polysaccharide, solves the problem that the traditional extracted polysaccharide interferes with the formula system, is a high-adaptability functional raw material more suitable for industrial application, can be widely applied to moisturizing cream, anti-wrinkle essence and sensitive skin care products, and effectively repairs the skin barrier and delays senescence. In the field of medicines, the compound can be used as an immunopotentiator for assisting in improving the body resistance, and can also be used for repairing skin inflammation, healing wounds and assisting in conditioning chronic diseases; in the field of food, the functional nutritional supplement can be used as a functional nutritional supplement, and can also be used as a natural stabilizer and a thickening agent to improve food texture.