51 results about "Vegetable fibers" patented technology

The disclosure relates to compositions including a constituent—A, which constituent—A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element includes vegetable fibers, and where the fibrous element is free of any fibers other than the vegetable fibers, where and the composition is free of any fibers other than the vegetable fibers of the fibrous component. The disclosure further relates to processes for obtaining an object from the compositions. The disclosure further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes.

The present disclosure generally relates to the use of plant fibers or starch for enhancing the taste or texture of fermented dairy products and dairy analogue products. In some embodiments, the dairy product analog product is a vegetarian yogurt product formed by fermentation of plant milk (e.g., soymilk, almond milk, hazelnut milk, sesame milk, pistachio milk, potato milk, banana milk, flaxseed milk, macadamia nut milk, cashew milk, oat milk, hemp plant milk, coconut milk, and pea source milk). In some embodiments, the plant fibers include pectin, inulin, fruit fibers (e.g., apple or citrus fibers), starch, oat fibers, pea fibers, alginate fibers, and any combination thereof. In some embodiments, the enhancement of taste or texture includes reduction of green plant taste, reduction of sourness, increase of sweetness, reduction of bitter taste, reduction of astringent taste, increase of compactness, reduction of granular sensation, increase of consistency, increase of mouth feel, or any combination thereof. In certain related forms, the present disclosure provides edible compositions comprising fermented plant milk and plant fibers or starch.

To provide a resin card medium capable of laminating a substrate mounted with an electronic component by hot-pressing at a temperature lower than a melting point of a used resin material, and a method for manufacturing the same.SOLUTION: The resin card medium comprises: an electronic substrate mounted with the electronic component; and an upper vegetable fiber-containing resin layer that contains vegetable fibers, has a cavity for accommodating the electronic component, and is laminated on the electronic substrate on a side where the electronic component is mounted. A space is formed between a lateral face of the electronic component and an inner wall face of the cavity.SELECTED DRAWING: Figure 1E

The disclosure provides an oral composition adapted for oral use that includes sugarcane plant fiber in addition to one or more active ingredients, flavorants, or combinations thereof. The oral composition can be, for example, a pouched product wherein the oral composition is a particulate composition enclosed within a water-permeable pouch.

A wrapping machine (1) for wrapping a load (100) with a band (50) made of a cellulose and / or vegetable fibers based material, in particular paper, unwound from a reel (51) comprises an upright (3), a moving carriage (4) movable along the support upright (3), unwinding apparatus (5) for supporting a reel (51) of band and provided with roller means (20) for unwinding the band (50), moving means (2; 62; 72) for moving said upright (3; 63; 73) and said load (100) around each other for a plurality of wrapping turns and a supporting arm (10) supporting pressure means (11) and cutting means (12) respectively to press a portion of the band (50) on the load (100) at the end of the wrapping and to cut the band (50); the unwinding apparatus (5) is fixed to the moving carriage (4) rotatably about a tilt axis (S) to tilt along with the band (50) during the wrapping of the load (100) and the supporting arm (10) is rotatably fixed to the moving carriage (4) about a rotation axis (X) so as to rotate between a non-operating position (A), in which the pressure means (11) and the cutting means (12) are spaced apart from the load (100), and an operating position (B), in which they are substantially in contact with the load (100).

The invention relates to the technical field of feed additives, and discloses a composite functional feed additive as well as a preparation method and application thereof. The composite functional feed additive comprises the following components in parts by mass: 20-80 parts of antibacterial peptide, 1-15 parts of tannic acid and 10-100 parts of a plant fiber carrier. According to the additive, expressions of key antioxidant genes such as sod1, cat, gst and gr in the liver are remarkably up-regulated on the molecular level, and it is indicated that an Nrf2 signal channel is successfully activated, so that the endogenous antioxidant defense capacity of cells is enhanced from the source; in the immune level, the additive can effectively regulate inflammatory response, remarkably down-regulate expression of proinflammatory factors and apoptosis genes, up-regulate expression of anti-inflammatory factors and improve the activity of immune enzymes such as lysozyme, so that excessive inflammation and cell apoptosis are inhibited, and the immune homeostasis is maintained; when the feed is used for aquaculture, the oxidative stress of livers of aquatic animals can be remarkably relieved, cell apoptosis is inhibited, and the disease resistance is improved.

The invention discloses an environment-friendly breathable biomass square brick with adsorption and purification functions and a preparation method of the environment-friendly breathable biomass square brick, and belongs to building decoration materials. The invention provides an environment-friendly breathable biomass square brick with adsorption and purification functions. The environment-friendly breathable biomass square brick is prepared from the following raw materials in parts by mass: 5-10 parts of soybean meal, 15-20 parts of plant fibers, 15-25 parts of building aggregate waste particles, 30-50 parts of calcium hydroxide and 30-50 parts of water. Natural or waste raw materials are adopted, and aldehyde-containing components are not used; through the synergistic effect of soybean meal protein and calcium hydroxide, the structural strength of the brick body is enhanced; protein in the soybean meal is crosslinked with calcium ions to form a water-resistant structure; active components in the porous structure and the soybean meal can continuously adsorb and decompose harmful gases such as formaldehyde, rich amino groups in protein can capture formaldehyde molecules in air, chemical crosslinking is carried out, and effective formaldehyde fixation is achieved; industrial by-products and construction wastes are utilized, so that the method conforms to the concept of green circular economy.

This application provides a Sichuan pepper compound functional wine and its preparation method. Addressing the shortcomings of traditional Sichuan pepper wines, such as low dissolution rate of active ingredients, bitter flavor, nutrient waste, and poor stability, this application utilizes a gradient solvent extraction method to separate water-soluble, alcohol-soluble, and oil-soluble components, thoroughly removing flavonoid bitter substances. After defatting and deproteinizing, cellulose and plant fiber are retained, and grain fermentation is added to prepare a flavoring wine, incorporating dietary fiber and active nutrients. Sichuan pepper essence, compound refined liquid, and fermented flavoring wine are mixed in a specific ratio to produce the finished product. This product possesses synergistic health benefits, including warming the middle jiao and dispelling cold, replenishing qi and blood, strengthening the spleen and removing dampness, and promoting blood circulation. It is gentle without being drying, nourishing without being greasy, suitable for large-scale industrial production and small-scale processing, and has significant practical value and market prospects.

This invention belongs to the field of meat preservation films in food packaging materials, specifically relating to a preservation film material. The invention employs a chemical precipitation method to deposit the metallic antibacterial agent silver oxide onto plant fibers, and adds tannic acid, a polyphenolic compound with excellent antioxidant properties, mixed with a polymer matrix and solvent to prepare a spinning precursor solution. Then, an antibacterial and antioxidant film is prepared by electrospinning. When applied to meat preservation, it can extend the shelf life of chilled meat by more than 6 days. This invention utilizes the reduction of silver ions released from silver oxide to nano-silver under the action of tannic acid, achieving a synergistic effect of antibacterial and antioxidant properties with tannic acid. It also possesses good mechanical properties and hydrophobicity, showing broad application prospects in the meat and fruit / vegetable preservation industries.

A plant-only replacement system for methylcellulose in food products is provided. The plant-only replacement system for methylcellulose is prepared by mixing a) 15-20% by weight of a plant-derived protein source, b) 10-25% by weight of a vegetable binding agent source, c) 15-20% by weight of a fruit, seed, and vegetable fiber sources, d) 15-20% by weight of a whole grain fiber source, and e) 5-15% by weight of a plant-derived starch source at a temperature ranging between 60 degree Celsius and 105 degree Celsius. The plant-only ingredients of the replacement system for methylcellulose effectively function as emulsifiers, stabilizers, texturizing, and thickening agents in food products, replacing the conventional, non-plant-derived, synthetic, or highly processed additives and ingredients.

The invention provides a method for preparing a high-smoothness paper pulp molded product for food packaging, which comprises the following steps: providing a paper pulp wet blank and carrying out pre-pressing treatment to obtain a pre-pressed blank body with the water content of 60-70wt%; spraying water-based slurry containing refined plant fibers of which the average length is not more than 0.5 mm on the surface of the pre-pressed green body; and then the sprayed blank is placed in a hot pressing mold, steam is exhausted under the pressure of 0.1-0.5 MPa, and then the blank is compacted and dried under the pressure of 1-5 MPa and the temperature of 130-200 DEG C, so that the slurry layer and the blank are jointly densified and fused into a whole in the dehydration process. The obtained product is free of net marks on the surface, low in roughness, resistant to linting and excellent in seepage prevention performance, does not need a petroleum-based coating, meets the food contact safety requirement, and is suitable for high-hygiene standard scenes such as high-grade food containers and the like.

The invention belongs to the technical field of papermaking, and particularly relates to oil-absorbing seepage-proofing packing paper for fried food and a preparation method of the oil-absorbing seepage-proofing packing paper. The preparation method of the oil-absorbing anti-seepage packing paper for fried food comprises the following steps: dissolving stearic acid in distilled water, and adding sodium hydroxide to obtain a solution A; dissolving sodium alginate powder in distilled water, and heating in a water bath to obtain a solution B; adding the solution A into the paper pulp, then adding the solution B and aluminum sulfate to prepare a mixture, diluting, then adding AKD (Alkyl Ketene Dimer), performing sheet making and drying, and finally coating a polyvinyl alcohol solution on the back surface of a paper sheet and drying to obtain the oil-absorbing anti-seepage packing paper for the fried food. The oil-absorbing impermeable packing paper for fried food is prepared by taking plant fiber as a main raw material in a manner of in-pulp addition and surface sizing, and has excellent oil absorption capacity; meanwhile, the oil-proof agent is coated on the single surface, so that the permeation of oil is prevented, and the requirements of the oil-absorbing and anti-seepage packing paper for fried food are met; the invention also provides a preparation method, the preparation process is simple, and the product can be obtained through one-step molding.

The application discloses cat litter and a preparation method thereof. The cat litter is a core-shell structure, and comprises the following components in mass fractions: non-food plant fibers: 100 parts, a clumping factor: 0.6-12 parts, a water absorption factor: 0.6-12 parts, a breeding improvement factor: 0.13-2.23 parts, a deodorization factor: 0.13-2.23 parts, and a mildew-proof factor: 0.13-2.23 parts; the surface shell layer comprises the following components in mass fractions: non-food plant fibers: 100 parts, a clumping factor: 99.5-600 parts, a water absorption factor: 3.33-100 parts, a breeding improvement factor: 33.3-300 parts, a deodorization factor: 3.33-100 parts, and a mildew-proof factor: 0.66-20 parts; and the mass ratio of the surface shell layer to the core is 1:(4-5). The cat litter has improved water absorption, clumping, low dust, water solubility, antibacterial and deodorization functions, and can be adapted to pet bedding of various intelligent cat toilets.

The present document describes a natural sweetener compositions and methods of making the same, and more particularly, the subject matter relates to sweetener compositions comprising natural sweetener syrup, optional addition of water, and defibrillated edible vegetable fiber, and methods of making the same. The document also describes methods for the preparation of spreadable food composition as well as methods for the preparation of natural sweetener syrup powders.

The invention relates to the field of material preparation, in particular to a degradable material with a solid waste base wrapped by biomass and a preparation method. The preparation method comprises the following steps: mixing vegetable oil, agriculture and forestry solid waste powder and the like to prepare a bio-based oil body sizing material component, mixing plant starch, plant fiber and the like to prepare a bio-based powder mixture component, mixing the bio-based oil body sizing material component and the bio-based powder mixture component, puffing, extruding and crushing to obtain a thermoplastic microporous sand grain material, and mixing the thermoplastic microporous sand grain material with solid waste powder to obtain a degradable material. And parameters such as types and particle sizes of the raw materials and temperatures and rotating speeds of related operations are also limited. The technical effects that the degradable material with the micropore structure is prepared from the biomass and the solid waste, solid waste resource utilization is achieved, and the material is biodegradable and good in environmental protection performance are achieved.

The invention belongs to the technical field of pet food, and particularly relates to a pet food composition containing nano-selenium as well as a preparation method and application of the pet food composition. The pet food composition containing nano-selenium disclosed by the invention is prepared from the following components in parts by weight: 0.01 to 0.03 part of nano-coated selenium-rich component, 32 to 68 parts of animal protein, 16.5 to 19 parts of carbohydrate, 10 to 20 parts of fat, 6.5 to 8.5 parts of plant fiber, 3.5 to 4.5 parts of mineral substances and 1 to 3 parts of vitamin premix. According to the pet food composition containing nano-selenium disclosed by the invention, selenium-rich components are wrapped by a nano-hybrid coating technology, so that the stability and bioavailability of the pet food composition are improved, the immunity of pets can be enhanced, diseases can be prevented, and healthy growth of the pets can be promoted. Meanwhile, the composition is comprehensive in nutritional ingredients, the immunity of the pets is enhanced, and the allergic reaction of the pets can be reduced.

This invention relates to the field of wastewater treatment, specifically to a composite agent for deep dewatering of municipal sludge and its preparation method. By weight, it comprises the following raw materials: 25-45 parts modified biochar, 10-20 parts carboxymethylated plant fiber, 10-20 parts composite enzyme preparation, 5-15 parts filter aid, 5-15 parts bio-based flocculant, 2-6 parts protective agent, and 1-3 parts pH adjuster; wherein the modified biochar is grafted with quaternary ammonium groups. This composite agent, through the synergistic effects of enzymatic cell disruption, cationic charge neutralization, rigid framework, and dynamic covalent flocculation, can achieve deep dewatering of municipal sludge.

To provide a method for producing a vegetable fiber-containing resin board, by which the vegetable fiber-containing resin board can more simply be produced at a low cost.SOLUTION: A laminated body forming step of sucking the mixed fibers 20 to a holding surface 33 of a sucking machine 32 provided with a plurality of sucking holes 34 to form a laminated body 10L on the holding surface 33, a moving step of moving the sucking machine 32 in a state of holding the laminated body 10L on the holding surface 33 between molding dies 40 having an upper die 41 and a lower die 45, an arranging step of releasing sucking of the sucking machine 32 to arrange the laminated body 10L on a die surface of the lower die 45, and a retracting step of retracting the sucking machine 32 from the molding dies 40; A heat-press forming step of closing the mold 40 and heat-press forming the side 10L of the laminate.SELECTED DRAWING: Figure 3

A process (1) for providing a frozen food (100) based on leavened and fried doughs, comprising the following steps: - a step (2) of mixing ingredients (4) chosen from water, flour, yeast, oil, enzymes, plant fibers, protein concentrates, hydrocolloids, soft cheeses, and natural colorings until a homogeneous dough (5) is provided; - a step (6) of depositing the dough (5) in a temperature- and humidity-controlled environment for a time comprised between 5 minutes and 500 minutes, preferably between 10 minutes and 120 minutes, even more preferably between 30 minutes and 60 minutes, for its rising; - a step (7) of rolling the leavened dough (5) until it is given a thickness comprised between 1 mm and 30 mm; - a step (10) of cutting a sheet (9) of dough (5) according to predefined shapes, obtaining semifinished products (11) made of a sheet (9) of dough (5); - a step (12) of industrial frying of the semifinished products (11) according to a method chosen from immersion frying in a continuous cycle oil bath, tunnel air frying in a continuous cycle, static immersion frying, static air frying, and the like; - a step (15) of freezing the food products (13).

The disclosure relates to compositions including a constituent-A, which constituent-A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element includes vegetable fibers, and where the fibrous element is free of any fibers other than the vegetable fibers, and where the composition is free of any fibers other than the vegetable fibers of the fibrous component. The disclosure further relates to processes for obtaining an object from the compositions. The disclosure further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes.

Title: Improved Batch Packaging Device for at Least Two Containers The present invention relates to a batch packaging device (1) for at least two containers (2), said containers (2) being bottles with a base (3), a body (4) and a shoulder (5) connecting said body (4) to a neck (6), or cylindrical cans for example, said device comprising at least one sheet (8) of semi-rigid or rigid material, provided with at least two openings (9) for receiving the necks (6) of said containers (2), remarkable in that said sheet (8) is made of a raw structure based on cellulose and / or natural fibers obtained by forming said raw structure based on cellulose and / or natural fibers from an aqueous base slip and at least one decomposable and / or biodegradable vegetable fiber material in which is immersed a first mold having at least one impression of the sheet,said first mold being equipped with a vacuum suction system such that the cellulose and / or natural fibers suspended in the slip are suctioned into the cavity of the first mold, when the first mold is removed from the slip, additional vacuum suction being applied to reduce the water content of the cellulose and / or natural fibers, thus forming a sheet (8), then said sheet (8) positioned in the cavity of the first mold being pressed between said first mold and a second mold having at least one counter-cavity of said sheet (8) to reduce the water content and said sheet (8) being heated so as to obtain a two-dimensional or three-dimensional fibrous sheet (8) having a single-layer configuration. Figure 1,

The invention provides a high-strength environment-friendly stair tread which is composed of the following materials in parts by weight: 60-100 parts of a wood base material plate, 10-30 parts of natural plant fibers, 5-15 parts of a natural adhesive and 1-5 parts of a bio-base. According to the high-strength environment-friendly stair tread, the wood base material is reinforced by the directionally arranged natural plant fibers, the stress direction is accurately matched, and a replaceable bio-base edge protecting strip is matched, so that the strength of the stair tread is greatly improved; and secondly, natural materials and vegetable gum are adopted in the whole preparation step, chemical pollution is avoided, a protective edge can be replaced, overall discarding is reduced, the green sustainable concept is met, and resource consumption and environmental burden are reduced.

The present invention discloses a production method of cashmere paper, which relates to the technical field of cashmere paper production. The production method of the cashmere paper includes the following steps: Step 1: Mix plant fibers and animal fibers to make a raw material slurry, and use a headbox to send the slurry into a papermaking device for papermaking and drying to obtain cashmere paper; Step 2: Send the cashmere paper into a carbon brush device, and use the carbon brush assembly in the carbon brush device to brush the surface of the cashmere paper to make the fibers on the surface of the cashmere paper stand up, simulating cashmere fluff. During the brushing process, the part where the carbon hairs of the carbon brush assembly contact the cashmere paper is in a dense state, and the carbon hairs can form an open state after leaving the cashmere paper, and a negative pressure pipe is used to suck dust from the open carbon hairs; In the production method of the cashmere paper, by setting carbon hairs that can open at a certain angle, the negative pressure pipe can be aligned with the opening angle to suck dust, so as to effectively remove the lint hidden in the dense carbon hairs, thereby avoiding the situation of strong static electricity caused by the accumulation of lint in the carbon hairs.

The application discloses a shield tail sealing grease for high water pressure shield tunnel and a preparation method thereof. The shield tail sealing grease is prepared from the following components in parts by weight: base oil 240-305 parts, viscosity index modifier 25-140 parts, thickening agent 40-140 parts, filler 510-640 parts, reinforcing agent 30-55 parts, calcium base grease 10-35 parts, and composite modification additive 8-25 parts. The base oil is a mixture of recycled vegetable oil and C5 petroleum resin, the reinforcing agent is plant fiber, the viscosity index modifier is a mixture of polyisobutylene, polymerized rosin, succinimide and polyisoprene, the thickening agent is a mixture of polyisobutylene, alginic acid and sodium polyacrylate, the reinforcing agent is organic lubricating material and calcium filler, the calcium base grease is added, and the composite modification additive is composed of thymol, zinc borate and zinc dialkyldithiophosphate. The shield tail sealing grease for high water pressure shield tunnel is prepared by using a preparation process of drying, filtering, heat preservation, constant temperature and speed control physical kneading.

The present invention provides a defecation promoting black coffee composition and a preparation method thereof, and relates to the technical field of food, the defecation promoting black coffee composition comprises coffee powder, apple powder, prune powder, an apple extract and prebiotics; the mass ratio of the coffee powder to the apple powder to the prune powder to the apple extract to the prebiotics is 1.5: (0.3-0.6): (0.3-0.4): (0.1-0.2): (0.1-0.3), the coffee flavor is more fused through the coffee powder, the apple powder, the prune powder and the apple extract, and the flavor experience is innovated. The fruit fragrance is soft, the mellow fragrance is lasting, the taste is fresh and slightly sour, and the aftertaste is slightly sweet; the prebiotics are matched with the apple powder, the prune powder and plant fibers, so that the effects of improving intestinal health and relieving constipation of the black coffee composition are improved. In the prior art, black coffee is bitter in taste and difficult to eat; and a defecation promoting effect is lacked.

The present invention relates to a packaging device (1) for a batch of at least two containers (2), said containers (2) being bottles with a base (3), a body (4) and a shoulder (5) connecting said body (4) to a neck (6), or cylindrical cans for example, said device comprising at least one sheet (8) of semi-rigid or rigid material, provided with at least two openings (9) for receiving the necks (6) of said containers (2), remarkable in that said sheet (8) is made up of a raw structure based on cellulose and / or natural fibers obtained by forming said raw structure based on cellulose and / or natural fibers from an aqueous base slip and at least one decomposable and / or biodegradable vegetable fiber material in which is immersed a first mold having at least one impression of the sheet,said first mold being equipped with a vacuum suction system such that the cellulose and / or natural fibers suspended in the slip are suctioned into the cavity of the first mold, when the first mold is removed from the slip, additional vacuum suction being applied to reduce the water content of the cellulose and / or natural fibers, thus forming a sheet (8), then said sheet (8) positioned in the cavity of the first mold being pressed between said first mold and a second mold having at least one counter-cavity of said sheet (8) to reduce the water content and said sheet (8) being heated so as to obtain a two-dimensional or three-dimensional fibrous sheet (8) having a single-layer configuration.

The invention relates to an erythropalum scandens, cichorium intybus and plantain herb compound fermented uric acid reducing beverage and a preparation method thereof. The beverage is prepared from the following raw materials in dry weight ratio: 10-15 parts of erythropalum scandens, 8-12 parts of cichorium intybus, 5-10 parts of plantain herb and 3-5 parts of warm food materials. The warm food material is one or a combination of more of fresh ginger, red dates and longan; the beverage is prepared by an ultrasonic-assisted extraction and compound bacteria fermentation process, and compound bacteria are lactobacillus plantarum and saccharomycetes in a ratio of 2: 1. The activity of the erythropalum scandens phenolic component, the chicory triterpenes and the plantain herb flavone is improved by 30% or above after fermentation, the uric acid reduction rate of rats is larger than or equal to 20%, and the auxiliary uric acid reduction effect is remarkable; warm food materials neutralize cold nature, the problem that traditional heat-clearing beverages injure the spleen and the stomach is solved, the bitter taste is light, and the herbal fragrance is coordinated; ultrasonic extraction and compound bacteria fermentation are combined, so that the problem of plant fiber degradation is solved, and the fermentation efficiency is improved by 40% or above.

The invention belongs to the technical field of pet supplies, and discloses a natural essential oil plant source extruded cat litter and a preparation method thereof. The cat litter comprises the following components: plant fibers, plant starch, hemp straw powder, guar gum, vegetable oil, water and beta-cyclodextrin inclusion lavender essential oil powder. According to the invention, beta-cyclodextrin is introduced to include lavender essential oil powder, so that the problems that the traditional natural perfume is volatile, not lasting in effect and weak in bactericidal ability are solved, and multiple functions of fragrance slow release, broad-spectrum sterilization and long-acting deodorization are realized.

The invention discloses a biodegradable plastic product for food contact and a preparation method thereof, and relates to the technical field of bio-based materials. The biodegradable plastic product for food contact is prepared by blow molding of composite starch into a film; the composite starch comprises modified starch and reinforcing filler; the modified starch is prepared by reacting corn starch with maleic anhydride hollow capsules and then adding poly (butylene succinate), the maleic anhydride hollow capsules are prepared by reacting vinyl ester resin with maleic anhydride to improve hydrophobicity and thermoplasticity, and the reinforcing filler is prepared by reacting plant fibers, calcium carbonate and polyhydroxystearate fatty amine to improve hydrophobicity and thermoplasticity. And the polyhydroxystearate fatty amine is prepared by reacting palmitic acid, 3-dimethylaminopropylamine and poly12-hydroxystearate, so that the mechanical property of the product is improved.

The invention discloses a foaming packaging material prepared from cold storage rotten vegetable leaves and tapioca flour and a preparation method thereof.The foaming packaging material is prepared from, by weight, 20%-35% of vegetable fiber, 30%-40% of tapioca flour, 20%-35% of vegetable juice, 1%-2% of plasticizer, 2%-5% of nucleating agent, 0.5%-1% of release agent and the balance water. The preparation method comprises the following steps: (1) preparing raw materials according to a formula; (2) crushing the rotten vegetable leaves and pulping; (3) screening out stem residues from the residual vegetable pulp; (4) carrying out solid-liquid separation on the sieved sauce to separate out solid vegetable fibers and liquid vegetable juice; (5) adding a plasticizer; (6) taking tapioca flour, and putting the tapioca flour, the vegetable juice and the plasticizer into a mixing machine; (7) putting the solid vegetable fibers, a nucleating agent and a release agent into a mixer for mixing and stirring; (8) feeding the mixed and modified material into a screw extruder; and (9) quantitatively outputting the material into a mold of a press machine by the screw extruder, and demolding to obtain the foaming packaging material.