40 results about "SARGASSUM FUSIFORME" patented technology

The invention discloses a preparation method of sargassum fusiforme low-molecular-weight fucoidin with an auxiliary protection effect on chemical liver injury. The preparation method comprises the following steps: S1, degreasing treatment; s2, preparing crude polysaccharide; s3, degradation of crude polysaccharide: dissolving the sargassum fucoidin crude product with water to obtain a polysaccharide solution, and performing ultrasonic treatment; then, H2O2 is added for degradation, and the sargassum fusiforme low-molecular-weight fucoidin DSFF is obtained; and S4, purification: dissolving the sargassum fusiforme low-molecular-weight fucoidin DSFF in water to obtain a polysaccharide solution, loading the polysaccharide solution on a DEAE-52 cellulose anion exchange column, eluting with a NaCl-phosphate buffer solution, dialyzing and desalting the eluent, and freeze-drying to obtain the sargassum fusiforme low-molecular-weight fucoidin DSFF2. The sargassum fusiforme low-molecular-weight fucoidin prepared by the method can be used for preparing medicines with an auxiliary protection effect on chemical liver injury. The research of the invention lays a foundation for the development of liver protection products related to sargassum fucoidin.

The invention discloses a bagasse filter mud composting method based on synergistic interaction of sargassum fusiforme and a complex microbial inoculant. The method comprises the following steps: mixing a sugar manufacturing byproduct bagasse and filter mud according to a certain dry weight ratio, and adjusting the moisture and carbon nitrogen ratio; synchronously adding sargassum fusiforme powder and a compound microbial agent, wherein the microbial agent is prepared by compounding bacillus licheniformis and phanerochaete chrysosporium; the high-temperature period is maintained for not less than 7 days, the total fermentation period is about 45 days, and the matured compost and the fertilizer thereof are prepared. The sargassum fusiforme is used as a natural conditioner, so that the composition of nutrient substances can be optimized, nitrogen and water are preserved, and heavy metals are passivated; and the lignocellulose is specifically degraded by the complex microbial inoculants. Through the synergistic effect of the bagasse and the filter mud, the high-temperature period of the compost is remarkably prolonged, the nutrient loss is reduced, the decomposition degree and the environmental safety of a compost product are improved, and an efficient and environment-friendly new way is provided for high-value resource utilization of the bagasse and the filter mud.

The invention discloses a culture method for enhancing the body color of Dongmaotai, and relates to the technical field of aquaculture. The method comprises the following steps: (1) illumination induction: alternately irradiating by adopting a light source white-red-blue-yellow, (2) feeding with a toner: feeding with basal feed at the same time, and (3) water flow stimulation: regulating physiological metabolism, nutrition absorption and environmental adaptability to realize the purpose of improving the quality of the feed by regulating the physiological metabolism, nutrition absorption and environmental adaptability. The method is beneficial to enhancing the body color of the east astroplatia and improving the economic value of the east astroplatia.

The invention belongs to the technical field of food nutrition and health, and particularly discloses protein powder for assisting in improving Alzheimer's disease and a preparation method of the protein powder according to the concept of dietary therapy in China, and the protein powder is prepared from the following components in percentage by weight: 35-45% of egg white protein peptide powder and 55-65% of core function compound powder. According to the invention, egg white protein peptide is used as a high-quality matrix, and nine specific medicinal materials including hippocampus, egg yolk phospholipid, egg membrane peptide, walnut, fructus alpiniae oxyphyllae, gastrodia elata, mulberry, sargassum fusiforme, wolfberry, ginkgo leaf, fructus evodiae and dandelion are cooperatively compatible; aiming at seven core pathological links of Alzheimer's disease, such as A beta deposition, Tauopathy, neuroinflammation, oxidative stress, cholinergic deficiency, neurodystrophy and cerebral circulation disorder, a multi-target synergistic effect network is constructed, comprehensive neuroprotection is realized, and tests prove that the space learning and memory ability and the autonomous activity ability can be effectively improved.

The invention discloses sargassum fusiforme polysaccharide with a barrier repairing function and a preparation method and application thereof. The molecular weight of the sargassum fusiforme polysaccharide is 39-278 kDa, the total sugar content is 50-55 wt%, and the uronic acid content is 29-35 wt%. The preparation method comprises the following steps: (1) hot water extraction: mixing sargassum fusiforme powder with water, and performing hot water extraction, evaporation concentration, alcohol precipitation and freeze-drying; (2) ultrasonic treatment: mixing with water, and performing ultrasonic degradation; and (3) UV / H2O2 degradation: mixing with a H2O2 solution, carrying out UV degradation, removing H2O2, dialyzing, evaporating and concentrating, and freeze-drying to obtain the product. The sargassum fusiforme polysaccharide prepared by the invention can significantly improve the content and expression of filagarisin (FLG) of nude mice and HaCaT cells after UVB irradiation, reduces the percutaneous moisture loss value (TEWL) in nude mice, has a significant skin barrier repair function, and can be used for development and utilization of functional foods and skin care products.

The invention discloses a sargassum fusiforme fertilized egg suspension culture new germplasm creation and evaluation method. The method comprises the steps of wild sargassum fusiforme geographical parent selection, isolated culture and unit quality evaluation. Screening male and female plants of parent high-value character strains, performing isolated culture, and preventing and treating harmful organisms; removing epiphytic harmful organisms of male and female plants of the high-value character strain; creating an optimal environmental factor for indoor temporary rearing of lateral branches of male and female plants of the high-value character strain; indoor temporary rearing treatment and temporary rearing time of lateral branches of male and female plants of the parent high-value character strain; classifying and collecting new germplasm fertilized eggs, removing impurities, cleaning, and creating a suspension system of the new germplasm fertilized eggs; preventing and controlling typical harmful organisms of a suspension system in a suspension growth and development stage from new germplasm embryos to juvenile sporophytes; carrying out rope clamping and indoor temporary rearing on new germplasm juvenile sporophytes; stocking the new germplasm juvenile sporophytes in a sea area; an evaluation method of new germplasms of parents and filial generations; a scientific and standard operation and evaluation method can be provided for new sargassum fusiforme germplasm creation, new germplasm quality evaluation and new variety cultivation.

The invention provides a rapid dormancy breaking method for sand whip seeds and dormancy breaking sand whip seeds, and relates to the technical field of plant seed treatment.The method comprises the following steps that 1, physical initiation treatment is conducted, specifically, the disinfected sand whip seeds are placed in warm water at the temperature of 45-55 DEG C to be soaked for 10-14 h; (2) chemical initiation treatment: soaking the seeds treated in the step (1) in a gibberellin solution with the mass concentration of 0.03%-0.07% for 20-28 hours; (3) biological seed dressing treatment: carrying out seed dressing on the seeds treated in the step (2) and a trichoderma harzianum fungicide, wherein the mass of the fungicide is 0.05-0.15% of the mass of the seeds; according to the method, the dormancy mechanism of the sand penis seeds can be effectively broken, germination of the seeds is promoted, the germination rate of the sand penis seeds treated by the optimized method can reach 87.00% on the 21st day, the germination synchronism of the seeds can be higher, and the problem of irregular natural germination is solved.

The application belongs to the technical field of food processing, and particularly discloses a concentrated essence of sugarcane vinegar and a preparation method thereof.The concentrated essence of sugarcane vinegar is mainly prepared from 25-35 parts of sugarcane juice, 5-10 parts of roxburgh rose juice, 3-8 parts of cactus juice, 2-8 parts of sargassum fusiforme, 2-8 parts of tartary buckwheat, 1-5 parts of phoenix tail, 2-6 parts of momordica grosvenori leaves, 1-3 parts of pholiota nameko, 1-2 parts of first fermentation bacteria, 0.5-1.5 parts of second fermentation bacteria and 4-8 parts of flavoring agent by weight, and is prepared through raw material weighing, mixed juice treatment, extraction treatment, fermentation and concentration treatment.The concentrated essence of sugarcane vinegar is prepared by using sugarcane juice as the main raw material and combining the other raw materials, and the raw materials interact with each other and are combined with a unique preparation method, so that the prepared sugarcane vinegar has good antioxidant effect, high nutritional value and good sensory quality, and the added value of sugarcane is effectively improved.

The invention discloses a traditional Chinese medicine fumigant for combustion type lung diseases and a preparation method thereof, and belongs to the field of important fumigants. The invention discloses a traditional Chinese medicine fumigant for combustion type lung diseases. Comprising the following raw materials in parts by weight: 5 parts of gastrodia elata, 5 parts of lucid ganoderma, 3 parts of bulbus fritillariae cirrhosae, 10 parts of desert cistanche, 5 parts of Chinese chive seeds, 10 parts of cynomorium songaricum, 10 parts of lycium ruthenicum, 5 parts of dendrobe, 10 parts of platycodon grandiflorum, 10 parts of pericarpium citri reticulatae, 10 parts of exocarpium citri grandis, 10 parts of poria cocos, 20 parts of dandelion, 10 parts of cucumber seeds, 5 parts of seaweed, 5 parts of angelica sinensis, 5 parts of cooked pseudo-ginseng, 10 parts of radix isatidis, 10 parts of folium mori, 5 parts of liquorice, 10 parts of cacumen platycladi and 10 parts of folia perillae acutae. And 150 parts of a fermentation broth.

The application belongs to the technical field of cell biology, and particularly relates to a solution rich in Sargassum fusiforme nano-vesicles and a preparation method and application thereof. The solution rich in Sargassum fusiforme nano-vesicles is prepared by a differential centrifugation combined with hollow fiber membrane concentration, and the obtained solution rich in Sargassum fusiforme nano-vesicles can play an anti-inflammatory role, inhibit high-fat diet induced fatty liver and osteoporosis, and can also be used for preparing a mask with soothing, moisturizing and anti-wrinkle effects.

The application discloses a culture method for enhancing the body color of Eaststar Prawn and relates to the technical field of aquaculture. The method comprises the following steps: (1) light induction: white-red-blue-yellow light sources are alternately used for irradiation, (2) color enhancer feeding: the color enhancer is fed simultaneously with the basic feed, and the components of the color enhancer include Camellia nitidissima polysaccharide, Sargassum fusiforme polysaccharide, fucoxanthin, scallop peptide, silymarin, guanidino acetic acid and sodium butyrate, and (3) water flow stimulation. Through the regulation of physiological metabolism, nutrient absorption and environmental adaptability, the method jointly acts on the body color performance of Eaststar Prawn, is favorable for enhancing the body color of Eaststar Prawn and improving the economic value of Eaststar Prawn.

The application discloses a kind of Sargassum fusiforme fertilized egg suspension culture new germplasm creation and evaluation method, including wild Sargassum fusiforme geographical parent selection, isolation breeding and unit mass evaluation;Parent high-value character strain female and male plant screening, isolation breeding and enemy biological control;High-value character strain female and male plant epiphytic enemy biological removal;High-value character strain female and male plant lateral branch indoor temporary nursing optimum environmental factor creation;Parent high-value character strain female and male plant lateral branch indoor temporary nursing processing and temporary nursing time;New germplasm fertilized egg classification collection, impurity removal and cleaning, new germplasm fertilized egg suspension system creation;New germplasm embryo to young sporophyte suspension growth and development stage suspension system typical enemy biological control;New germplasm young sporophyte is clamped and indoor temporary nursing;New germplasm young sporophyte is put in sea area;Parent and offspring new germplasm evaluation method;Can be Sargassum fusiforme new germplasm creation, new germplasm quality evaluation and new variety cultivation provide scientific, standard operation and evaluation method.

The invention belongs to the technical field of traditional Chinese medicine, and particularly relates to a radix codonopsis, poria cocos and ginseng decoction composition and a preparation method and application thereof.The radix codonopsis, poria cocos and ginseng decoction composition is prepared from, by mass, 9-15 parts of tabasheer, 9-15 parts of poria cocos, 9-15 parts of radix codonopsis, 10-20 parts of ulva lactuca, 10-20 parts of seaweed, 3-9 parts of hawthorn and 3-9 parts of radix bupleuri; the preparation method comprises the following steps: weighing the components according to the formula, adding water for soaking, decocting, filtering, and collecting primary filtrate; taking filter residues, adding water again, decocting, then filtering, and collecting secondary filtrate; and merging the two filtrates, and uniformly mixing to obtain the radix aconiti, poria cocos and ginseng soup. Compared with the prior art, the traditional Chinese medicine composition and the traditional Chinese medicine preparation for MASLD solve the problems that in the prior art, treatment medicine has obvious untoward effects and is single in curative effect, and meanwhile, a traditional Chinese medicine composition and a traditional Chinese medicine preparation for MASLD are lacked. According to the scheme, a personalized traditional Chinese medicine intervention strategy is provided for MASLD, especially for patients with the phlegm-dampness and blood-stasis-heat syndrome fatty liver.

The invention discloses high-oxidation-resistance cream and a preparation method thereof, and belongs to the technical field of cream, the high-oxidation-resistance cream comprises 97-103 parts of an oil phase, 290-320 parts of a water phase and 3.6-4.8 parts of an antioxidant; the antioxidant comprises the following raw materials: 14-26 parts of purified tea polyphenol and 5-8 parts of a pretreated sargassum fusiforme aqueous extract. According to the preparation method, the extraction process of the tea polyphenol is innovatively optimized, the purity of the tea polyphenol is remarkably improved, and the breakthrough enables the cream product to be endowed with more excellent oxidation resistance. Besides, by elaborately blending and blending a proper amount of sargassum fusiforme aqueous extract, not only are natural components of the product enriched, but also the water holding capacity of the product is effectively enhanced, and a new path is opened up for improving the texture and stability of the product.

The invention relates to an application of a sargassum fusiforme aqueous extract, in particular to an application of the sargassum fusiforme aqueous extract in preparation of a medicine for treating type 2 diabetes mellitus and an application of the sargassum fusiforme aqueous extract in preparation of a medicine for improving cell oxidative stress and insulin resistance. The sargassum fusiforme aqueous extract is prepared by the following steps: soaking sargassum fusiforme in water, desalting, washing and removing impurities for later use; adding deionized water into the sargassum fusiforme, and heating at 100 DEG C in a pressure cooker; cooling the tap water to normal temperature after heating is finished, collecting the solution, centrifuging to take supernate, concentrating the supernate, and freeze-drying to obtain the sargassum fusiforme aqueous extract SFE. The prepared sargassum fusiforme aqueous extract can effectively promote consumption of IR-HepG2 extracellular glucose, effectively improve the oxidative stress state of IR-HepG2 cells and remarkably reverse down-regulation of key proteins (HO-1 and Keap1) in insulin resistance MOD group cells, can be used for preparing drugs for treating type 2 diabetes mellitus, and has the advantages of being safe and free of toxic and side effects.

The invention relates to the technical field of sargassum fusiforme cultivation, and discloses a sargassum fusiforme male frond living environment analysis regulation and control system and method.The analysis regulation and control system comprises a multi-source data acquisition module, a gender recognition and physiological state analysis module, a dynamic environment regulation and control module, a biological prevention and control module and a risk prediction and feedback module; the analysis regulation and control method comprises the following steps: acquiring environmental parameters and frond physiological data; identifying the gender and the physiological stage of the frond; dynamically regulating and controlling environmental parameters; executing biological prevention and control; and risk prediction and feedback regulation and control are carried out. Through intelligent, dynamic regulation and control, real-time monitoring, biological prevention and control and other technologies, the survival rate of the male algae is increased, the sperm discharge period of the male algae is prolonged, the fertilization rate during manual seedling collection is increased, and sustainable development of ecological environment protection and algae culture is promoted.

The invention discloses a composite composition with a scalp care effect and application thereof, the composition is composed of a cacumen biotae extract, a yucca extract, a towel gourd extract and a sargassum fusiforme extract, and the preparation process of the composite composition ensures excellent stability and permeability through composite enzymatic hydrolysis, ultrasonic extraction and high-pressure homogenization treatment. The composition provided by the invention effectively solves the problems that active ingredients are difficult to permeate, hair follicle growth is promoted and the like, and is suitable for developing hair products such as shampoo, hair conditioners, hair nourishing liquid, scalp essence and the like.

The application discloses a kind of Hizikia fusiformis explant asexual propagation seedling raising method, mainly related to the selection and pretreatment of Hizikia fusiformis algal body, the preparation method of sterile explant, the induction of adventitious bud and the process of adventitious bud rapid propagation into regenerated seedling.The breeding method proves that by changing the medium form and condition of Hizikia fusiformis explant, the physiological state of algal body can be better controlled, and after being cultured in solid medium for at least 17 days, it is best to be transferred to liquid medium, and the subsequent algal body can survive and proliferate normally.In the present application, the upper end of Hizikia fusiformis stem can also be induced to grow into seedlings, and the lower end of Hizikia fusiformis stem base can induce adventitious buds.The present application can effectively solve the problems of few sources of Hizikia fusiformis germplasm resources, unclear operation conditions, vulnerability of Hizikia fusiformis to external diseases and pests, difficulty in control, etc., and the experimental conditions are easy to control, which can provide certain reference for algal propagation and selection of dominant species.

The invention relates to the technical field of microorganisms, and particularly provides a kitasaospora purpurefusca BLG-8 strain and an application of the kitasaospora purpurefusca BLG-8 strain. The strain BLG-8 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No. 31942. The bacterial strain has an antagonistic effect on fusarium graminearum causing wheat scab, and the sterile fermentation liquor and volatile metabolites of the bacterial strain can inhibit the growth of the fusarium graminearum. The bacterial strain BLG-8 has a wide antibacterial spectrum, and has an antibacterial effect on alternaria alternata, botryosphaeria dothidea, corn northern leaf blight, colletotrichum gloeosporioides, pyrethrum lasiocarpum, fusarium oxysporum, fusarium oxysporum, fusarium oxysporum, fusarium pseudograminearum and the like.

The application discloses a traditional Chinese medicine composition for tonifying qi and nourishing blood and a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicines, and comprises the following components in mass parts: 28-38 parts of rhizoma polygonati, 15-24 parts of ficus pumila var. obliqua, 12-18 parts of sargassum fusiforme, 12-18 parts of radix codonopsis, 8-12 parts of rubus chingii hu, and 5-11 parts of ramulus cinnamomi. The rhizoma polygonati, the ficus pumila var. obliqua, the sargassum fusiforme, the radix codonopsis, the rubus chingii hu and the ramulus cinnamomi are combined according to the specific mass parts, the materials of health-care food or food with the same origin are selected, the rhizoma polygonati, the ficus pumila var. obliqua, the sargassum fusiforme, the radix codonopsis, the rubus chingii hu and the ramulus cinnamomi are matched and interacted, one monarch, two ministers, two assistants and one messenger are obtained, the rhizoma polygonati is the monarch, the ficus pumila var. obliqua and the sargassum fusiforme are the ministers, the sargassum fusiforme is the assistant, and the ramulus cinnamomi is the minister, so that the traditional Chinese medicine composition with excellent effects of tonifying qi and nourishing blood is obtained, the prescription function is clear, there is no compatibility contraindication, the edible safety is effective, and the traditional Chinese medicine composition also has excellent anti-inflammatory effects.

The invention discloses a preparation method and application of polysaccharide for promoting intestinal absorption, and relates to the technical field of polysaccharide preparation. The preparation method comprises the following steps: after sargassum fusiforme is pretreated, degreased and purified, extracting sargassum fusiforme crude polysaccharide by adopting a hot water extraction method; the sargassum fusiforme crude polysaccharide is degraded through a UV / H2O2 degradation technology, then evaporation concentration, dialysis purification and freeze drying are carried out, and the polysaccharide capable of promoting intestinal absorption is obtained. The molecular weight of the sargassum fusiforme polysaccharide obtained by the method disclosed by the invention is 31-84 kDa, and the total sugar content is 51.52-53.03%. The product prepared by the method disclosed by the invention can obviously promote the intestinal absorption characteristic of the polysaccharide, greatly improve the transmembrane transport capacity of the sargassum fusiforme polysaccharide, improve the intestinal absorption efficiency of the sargassum fusiforme polysaccharide and improve the bioavailability of the polysaccharide. And the preparation method has no organic solvent residue, and is green, safe and efficient.

The application discloses a compound preserved fruit and a preparation method thereof. The preparation raw materials are apricots and rowan berries, and the mass ratio of the apricots to the rowan berries is (1-3):1. The compound preserved fruit prepared by using the apricots and the rowan berries as the compound preparation raw materials is influenced by a color protection liquid and sugar impregnation, browning of the apricots and the rowan berries is reduced, and the prepared product is bright and attractive in color. The mushroom polysaccharide and the sargassum fusiforme polysaccharide are added into a sugar liquid for impregnation, and the phenomenon of sand returning or sugar flowing of the preserved fruit is effectively reduced.

The invention provides application of cellulose nanofibers extracted from sargassum fusiforme residues as a thickening agent, and particularly relates to application of the cellulose nanofibers extracted from sargassum fusiforme residues as the thickening agent in the food field. The sargassum fusiforme-based cellulose nanofiber is added into liquid needing to be thickened, such as apple juice, milk and soda water, an excellent thickening effect can be achieved, and the sargassum fusiforme-based cellulose nanofiber has the advantages of being easy to operate, safe, environmentally friendly and good in stability.

The utility model discloses a sargassum fusiforme impurity removing and cleaning device which comprises a cleaning box, a support, a plurality of storage net barrels, a rotary cleaning mechanism and an auxiliary cleaning mechanism, the storage net barrels are arranged in the cleaning box, a connecting rod is fixed to the middle of the interior of each storage net barrel, and the rotary cleaning mechanism connected with the storage net barrels is installed in the support. An auxiliary cleaning mechanism is installed at the bottom of the cleaning box. The rotary cleaning mechanism comprises a first motor, a large gear, a small gear, a rotating shaft, a planetary gear carrier, a telescopic rod and a limiting check ring. The sargassum fusiforme cleaning device automatically cleans the sargassum fusiforme, saves manpower and is cleaner in cleaning.

The application discloses a kind of pesticide composition for preventing and treating wheat sharp eyespot and preparation method and application thereof, belong to the technical field of pesticide, pesticide composition is composed of triazole compound and traditional Chinese medicine extract, the weight ratio of triazole compound and traditional Chinese medicine extract is 1:50-120;The traditional Chinese medicine extract is Sargassum fusiforme, earth, dandelion, pepper and liquorice water extract, wherein the weight ratio of Sargassum fusiforme, earth, dandelion, pepper and liquorice is 1-5:15-25:8-15:8-20:1-5.The pesticide composition of the application uses the compounding of plant extract and triazole compound, can significantly reduce the dosage of triazole compound, good safety, reduces the negative influence caused by pesticide to environment and grain crop quality.

The application provides a sargassum fusiforme fermentation liquor, a preparation method thereof and a cosmetic, wherein the preparation method of the sargassum fusiforme fermentation liquor comprises the following steps: S10: sterilizing a mixture of sargassum fusiforme, a carbon source and water to obtain an initial fermentation system; S20: inoculating lactobacillus liquid into the initial fermentation system and then performing fermentation for a certain time; and S30: sterilizing and centrifuging the fermentation system to obtain supernatant, which is the sargassum fusiforme fermentation liquor. Through the fermentation of lactobacillus, the active ingredients in the sargassum fusiforme are released to a large extent, and the metabolic products produced by the lactobacillus can synergize with the active ingredients in the sargassum fusiforme to exert a good antioxidant effect. The preparation method is simple, raw materials are easy to obtain, and the cost is low, and the method can be applied to the production of cosmetics.

The application discloses a kind of Sargassum fusiforme low molecular weight fucoidan, and its preparation method is as follows: S1, defatting treatment;S2, preparation of crude polysaccharide;S3, degradation of crude polysaccharide: Sargassum fusiforme fucoidan crude product is dissolved into polysaccharide solution with water, H2O2 is added, and degradation is carried out under ultraviolet light, to obtain Sargassum fusiforme low molecular weight fucoidan DSFF;S4, purification: Sargassum fusiforme low molecular weight fucoidan DSFF is dissolved into polysaccharide solution with water, loaded on DEAE-52 cellulose anion exchange column and eluted with NaCl solution, the eluate is concentrated and dialyzed, and freeze-drying is obtained.The application of the Sargassum fusiforme low molecular weight fucoidan in the preparation of drugs with anti-PM2.5 lung injury effect.The Sargassum fusiforme low molecular weight fucoidan of the application has low molecular weight, is easy to absorb, and has high bioavailability.The research of the application lays a foundation for the development of Sargassum fusiforme fucoidan related lung alveolus protection products.

A sargassum fusiforme packaging and conveying device is characterized in that a conveying belt used for conveying packaging box bodies is arranged on a rack, a material containing table is arranged on the conveying belt, a discharging hole is formed in the material containing table, a material storage cavity is formed in the discharging hole, a groove hole is formed in one side of the material storage cavity, a rail is arranged on the inner wall of the groove hole, and a cover plate used for opening and closing the discharging hole is installed in the rail; one side of the cover plate is connected with one end of a connecting rod, the other end of the connecting rod is connected to an eccentric device, the cover plate is driven by the eccentric device to enter and exit from the material storage cavity to cover the discharging hole, a cover storage station is arranged on the conveying belt located behind the material containing table, and a positioning device is arranged at the cover storage station; a cover plate conveying frame used for conveying cover plates to the cover storage station and covering packaging box bodies on the cover storage station is arranged between the cover plate storage table and the cover storage station. The feeding device has the advantages that materials are fed into the packaging box body through the discharging hole, labor is saved, efficiency is improved, the structure is simple, and assembling is convenient.

The present invention discloses a Sargassum fusiforme polysaccharide against SVA virus, its preparation method and application. The purified Sargassum fusiforme polysaccharide with a molecular weight above 100 kDa has the best anti-SVA virus effect, and is characterized by high anti-SVA virus activity and low cytotoxicity.