CN105582864A - Vegetable protein aerogel and preparation method thereof - Google Patents
Vegetable protein aerogel and preparation method thereof Download PDFInfo
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Abstract
The invention discloses vegetable protein aerogel and a preparation method thereof, belonging to the field of aerogel. According to the invention, the aerogel can be prepared depending on vegetable protein purely through vacuum freezing drying. The preparation method comprises the following specific steps: performing hydro-thermal treatment with lye on vegetable protein powder to obtain a protein adhesive liquid; adding a cross-linking agent and standing to obtain gel; and replacing the gel with a replacement solvent, freezing, and drying in vacuum to obtain the vegetable protein aerogel. The aerogel has the features that the apparent density is 0.15-0.2g/cm<3> and the specific surface area is 110-130m<2>/g, is rich in mesopore, and can be taken as an adsorbent. During the preparation process, the raw materials are readily available, the cost is low, and the operation is environmentally friendly. The preparation technique is simple, the period is short, and the safety is high.
Description
Technical field
The invention belongs to the preparation field of aeroge; More specifically relate to a kind of vegetable protein aeroge and preparation method thereof.
Background technology
Aeroge is taking gas as decentralized medium, and the porous material of aperture within the scope of nanoscale is at present knownLight solid material. Aeroge has that specific area is large, porosity is high, density and the feature such as thermal conductivity factor is low; Catalyst carrier,Biological medicine, sorbing material, heat-insulation material, the fields such as energy storage material have a extensive future. In order to ensure inorganic aerogelsPerformance, its presoma toxicity used is large or price is high, and traditional organic aerogel is to the fossil resource such as oil, coalDependence is strong. For reserved resource and environment, reduce aeroge preparation cost, utilize renewable biomass to prepare aeroge and drawPlay extensive concern, a kind ofly prepared inorganic airsetting with rice husk with raw material as the publication number patent of invention that is 102602944A disclosesGluing method; Publication number is that the patent of invention of 102417606A discloses a kind of chitin aerogel preparation method; Publication number isThe patent of invention of 103205015A discloses a kind of transparent, flexible cellulose aerogels and preparation method thereof.
Existing aeroge mainly forms wet gel in solvent by presoma, then by the pore structure in kept dry gelMake aeroge. The wet gel poor performance that presoma forms, a little less than frame strength, the aeroge of powdery often obtaining after being dried.What after supercritical drying, the pore structure of aeroge was preserved is best, but it exists complicated operation, dangerous high, high in cost of production shortcoming.It is higher to the processing requirements of wet gel that constant pressure and dry is prepared aeroge, and applicability is narrow, and the aeroge structure of preparing is poor. VeryVacuum freecing-dry more can be preserved the pore structure in wet gel than constant pressure and dry, lower than supercritical drying safety, cost, but it oftenBecause of the crystallization in refrigerating process of liquid in wet gel, after being dried, obtaining micrometer grade hole is main porous material.
In biological material, good biocompatibility, active function groups are many, to be easy to form gel etc. excellent because having for protidePoint, has been widely used in porous material research. The patent of invention that publication number is 102512710A provides a kind of fibroin albumen manyThe preparation method of hole three-dimensional material, but this porous material needs concentration before forming gel, concentration requires high, and the time is long,And freeze drying does not reach aeroge class material and is rich in mesoporous standard. Publication number is that 104843668 patent of invention is openA kind of method of preparing the porous carbon material of nitrating with bioprotein, although this porous material has reached the standard of aeroge,But need this increase material micropore of carbonization and mesoporous processing procedure, in classification, belong to carbon aerogels, and be powdery, be unfavorable for pointFrom recovery. Publication number provides a kind of preparation of three-dimensional grapheme-protein composite aerogel for 104107681A patent of inventionMethod, this aeroge depends on the compound of protein and Graphene, the mesoporous contribution that mainly comes from Graphene in aeroge.
In sum, utilizing the dry aeroge of preparing of renewable biomass and non-supercritical is this material Developing Tendency in futureGesture, prepares aeroge taking native protein class as raw material and has a extensive future. Existing protide porous material manufacturing cycle is long, technique is multipleMixing, being difficult to obtain nano grade pore by vacuum freeze drying is main aeroge.
Summary of the invention
In order to address the above problem, the invention provides a kind of vegetable protein aeroge and preparation method thereof. This aerogeIn preparation process, do not need with other porous material compound; Forerunner's physical efficiency forms rapidly hydrogel, and preparation technology is simple, the cycle is short;After vacuum freeze drying, do not need carbonization just can obtain being rich in mesoporous pore structure, can be used as sorbing material.
To achieve these goals, the present invention adopts following technical scheme:
A preparation method for vegetable protein aeroge, concrete steps are as follows:
1) plant protein powder, alkali lye and water are dropped in reactor, after hydrothermal treatment consists, obtain albumen glue;
2) cross-linking agent aqueous solution is added in the albumen glue of step 1), forms gel through stirring, leave standstill to process;
3) step 2) gel make vegetable protein aeroge through replacement solvent replacement Treatment, freezing, vacuum freeze drying.
The weight ratio of plant protein powder, alkali lye, water, cross-linking agent aqueous solution is: 30 ~ 50:120 ~ 400:30 ~ 100:21 ~ 38.
Further, described preparation method's concrete refinement step is:
1. prepare required alkali lye and cross-linking agent aqueous solution for subsequent use;
2. plant protein powder and water and alkali lye are dropped in reactor in proportion, control 65 ~ 95 DEG C of temperature, mix and blend 30 ~60min obtains albumen glue;
3. by umber, cross-linking agent aqueous solution is added in albumen glue, stirs 15 ~ 50min, then pour standing 2 ~ 48h in mould intoForm gel;
4. by monoblock gel in the room temperature replacement solvent of submerging, change 1 replacement solvent every 8h, change continuously 3 ~ 8 times;
5. by the liquid nitrogen frozen 5 ~ 10min for gel after replacement solvent displacement, freeze real final vacuum freeze drying 24 ~ 72h acquisition and plantThing albumen aeroge.
Described plant protein powder is defatted soy flour, soybean isolate protein powder, peanut protein powder, gluten powder, pea eggOne or more mixtures in white powder, corn protein powder;
Described water is distilled water or boiler blow-down water;
Described alkali lye is one or more the mixture in sodium hydrate aqueous solution, calcium hydroxide aqueous solution, ammoniacal liquor, alkali lyePH value be 9 ~ 13;
Described crosslinking agent is one or more mixing in calcium chloride, gluconic acid lactone, formaldehyde, acetaldehyde, glyoxal, glutaraldehydeThing; In cross-linking agent aqueous solution, the molar concentration of cross-linker molecules is 0.0003 ~ 0.012mol/mL.
Described replacement solvent is one or more mixtures in water, absolute ethyl alcohol, acetone, n-hexane, 1 replacement solventWith the volume ratio of gel be 1:1.
The described gel dwell temperature that is settled into is 10 ~ 40 DEG C.
After can realizing recovery by distillation mode after described replacement solvent is used for the first time, again utilize.
The vegetable protein aeroge made from composition of raw materials of the present invention and method thereof has following features:
1. the presoma vegetable protein of preparing aeroge is green renewable resource, and source is abundant, nontoxic;
2. form that the required condition of hydrogel is low, speed is fast, under room temperature by just forming well-formed in the adjusting process short timeHydrogel;
3. freezing fast with rate of drying, energy consumption is low;
4. good biocompatibility, protide raw material is the main material of preparing biological support.
The present invention has the following advantages than tool with existing biogas gel phase:
1) presoma vegetable protein dissolubility in water is good, only needs the hydrothermal treatment consists of short time just can completely water-soluble-alkali systemsSolvent;
2) technique is simple, equipment needed thereby is few, processing safety is high, manufacturing cycle is short, energy consumption is little, and production cost is low;
3) without compound with other porous material, without supercritical drying, just can obtain apparent density and be without carbonization, activation0.15~0.2g/cm3, specific area is 110 ~ 130m2/ g, is rich in mesoporous aeroge.
Detailed description of the invention
The concrete preparation process of vegetable protein aeroge of the present invention is as follows:
1) cross-linking agent aqueous solution that the alkali lye that secure ph is 9 ~ 13 and molecule molar concentration are 0.0003 ~ 0.012mol/mL is standbyWith;
2) 30 ~ 100 parts of 30 ~ 50 parts of plant protein powders, 100 ~ 400 parts, water, alkali lye are dropped in reactor in proportion, control temperature65 ~ 95 DEG C, mix and blend 30 ~ 60min obtains albumen glue;
3) 21 ~ 38 parts of cross-linking agent aqueous solutions are added in albumen glue, stir 15 ~ 50min, then pour mould into, at 10 ~ 40 DEG CTemperature in leave standstill 2 ~ 48h form gel;
4) by monoblock gel in the room temperature replacement solvent of submerging, change 1 replacement solvent every 8h, change continuously 3 ~ 8 times, and reclaimReplacement solvent after use;
5), by the liquid nitrogen frozen 5 ~ 10min for gel after replacement solvent displacement, freeze real final vacuum freeze drying 24 ~ 72h acquisition and plantThing albumen aeroge.
The present invention further illustrates in conjunction with following instantiation, but the present invention is not only for so.
Embodiment 1
Utilize alkali lye that NaOH preparation pH is 10, glutaraldehyde is mixed with to the friendship that molecule molar concentration is 0.0003mol/mLThe connection agent aqueous solution is for subsequent use; 60 parts of 39 parts of soybean isolate protein powders, 201 parts of distilled water and alkali lye are dropped into 0.5 ton of reactor successivelyIn, control 65 DEG C of temperature, stir 60min and obtain soybean protein glue; 21 parts of cross-linking agent aqueous solutions are added in albumen glue,And stir 15min, then pour mould into, in the temperature of 25 DEG C, leave standstill 2h and form gel; First monoblock gel is submerged in room temperature etc.In volume distilled water, replace 8h, continuous 2 times, then with equal-volume absolute ethyl alcohol displacement 8h, and reclaim the ethanol after using; By ethanolGel after displacement is immersed in 5min in liquid nitrogen, freezes real final vacuum freeze drying 24h, obtains soybean protein aeroge.
Embodiment 2
Utilize the alkali lye that calcium hydroxide preparation pH is 9, by glutaraldehyde and glyoxal in molar ratio for being mixed with molecule after 1:2 mixingMolar concentration is that the cross-linking agent aqueous solution of 0.0004mol/mL is for subsequent use; By 35 parts of peanut protein powders, 190 parts of distilled water, alkali lye 50Drop into part mixing in 0.5 ton of reactor, control 95 DEG C of temperature, stir 30min acquisition peanut protein glue; By 34 parts of crosslinking agent waterSolution adds peanut protein glue, and stirs 15min, then pours mould into, leaves standstill 24h and form gel in the temperature of 30 DEG C; FirstMonoblock gel in submerging equal-volume distilled water, room temperature is replaced to 8h, and continuous 2 times, then with equal-volume absolute ethyl alcohol displacement 8h, connectContinuous 3 times, and reclaim the ethanol after using; Gel after ethanol displacement is immersed in to 10min in liquid nitrogen, freezes real final vacuum freeze drying30h, obtains peanut protein aeroge.
Embodiment 3
NaOH and calcium hydroxide are prepared to the mixed alkali liquor that pH is 12 after mixing for 2:1, by glutaraldehyde, second twoAldehyde, formaldehyde are in molar ratio for the mixed cross-linker aqueous solution that after 1:2:6 mixing, preparation molecule molar concentration is 0.008mol/mL is standbyWith; By 30 parts of gluten powders, 120 parts of distilled water, 100 parts of mixing of alkali lye drop in 0.5 ton of reactor, control 75 DEG C of temperature,Stir 30min and obtain wheat gluten glue; 38 parts of cross-linking agent aqueous solutions are added to wheat gluten glue, and stir 25min, then fallEnter mould, in the temperature of 25 DEG C, leave standstill 24h and form gel; First monoblock gel in submerging equal-volume distilled water, room temperature is replaced8h, continuous 3 times, then with equal-volume acetone displacement 8h, then with equal-volume absolute ethyl alcohol displacement 8h, continuous 2 times, and reclaim useAfter acetone and ethanol; Gel after acetone and ethanol displacement is immersed in to 10min in liquid nitrogen, freezes real final vacuum freeze drying 48h,Obtain wheat gluten aeroge.
Embodiment 4
NaOH and ammoniacal liquor are prepared to the alkali lye that pH is 13 after mixing for 1:12, by calcium chloride and 40wt% second twoAldehyde solution mixes the mixed cross-linker aqueous solution of rear preparation molecule molar concentration 0.006mol/mL in molar ratio for 1:1, by soybeanProtein isolate and peanut protein powder mix by weight 1:1, for subsequent use; Get 50 parts of soyabean protein powder and peanut protein powder mixtures,400 parts of boiler blow-down waters, 50 parts of mixing of alkali lye drop in 0.5 ton of reactor, control 90 DEG C of temperature, stir 50min and obtain albumenGlue; 36 parts of cross-linking agent aqueous solutions are added to glue, and stir 50min, then pour mould into, in the temperature of 35 DEG C, leave standstill 48hForm gel; First monoblock gel in submerging equal-volume distilled water, room temperature is replaced to 8h, and continuous 4 times, then put with equal-volume acetoneChange 8h, then replace 8h with equal-volume n-hexane, continuous 2 times, then with equal-volume absolute ethyl alcohol displacement 8h, and reclaim after useAcetone, n-hexane and ethanol; Gel after acetone, n-hexane and ethanol displacement is immersed in to 5min in liquid nitrogen, freezes real final vacuumFreeze drying 36h, obtains soybean/peanut protein aeroge.
Embodiment 5
Utilize the alkali lye that NaOH preparation pH is 11, utilize formalin to be mixed with molecule molar concentration for 0.003mol/mLCross-linking agent aqueous solution, soybean isolate protein powder and Fed Protein Powder of Pea Insteal are mixed by weight 2:1, for subsequent use; Get soybean separation protein39 parts of white powder and pea protein powder mixtures, 231 parts of distilled water, 30 parts of mixing of alkali lye drop in 0.5 ton of reactor, control temperature70 DEG C, stir 50min and obtain albumen glue; 27 parts of cross-linking agent aqueous solutions are added to glue, and stir 40min, then pour mould into,In the temperature of 40 DEG C, leave standstill 12h and form gel; First monoblock gel in submerging equal-volume distilled water, room temperature is replaced to 8h, continuously4 times, then with equal-volume acetone displacement 8h, continuous 2 times, then, with equal-volume n-hexane displacement 8h, then use the anhydrous second of equal-volumeAlcohol displacement 8h, and reclaim acetone, n-hexane and the ethanol after using; Gel after acetone, n-hexane and ethanol displacement is immersed in8min in liquid nitrogen, freezes real final vacuum freeze drying 72h, obtains soybean/pea protein aeroge.
Embodiment 6
Calcium hydroxide and ammoniacal liquor, by weight being 10 alkali lye for being mixed with pH after 1:10 mixing, are mixed with to molecule by calcium chlorideMolar concentration is the cross-linking agent aqueous solution of 0.012mol/mL, by defatted soy flour and corn protein powder 1:1 mixing by weight, for subsequent use;39 parts of extracting degreasing bean powder and zein powder mixtures, 240 parts of boiler blow-down waters, 30 parts of mixing of alkali lye drop into 0.5 ton of reactorIn, control 80 DEG C of temperature, stir 60min and obtain albumen glue; 34 parts of cross-linking agent aqueous solutions are added to glue, and stir 30min,Pour again mould into, in the temperature of 40 DEG C, leave standstill 6h and form gel; First monoblock gel is submerged in equal-volume distilled water in room temperatureDisplacement 8h, continuous 8 times; Gel after distilled water displacement is immersed in to 10min in liquid nitrogen, freezes real final vacuum freeze drying 40h, to obtain final productA kind of vegetable protein aeroge.
Embodiment 7
Utilize the alkali lye that calcium hydroxide preparation pH is 9, utilizing gluconic acid lactone preparation molecule molar concentration is 0.01mol/mLCross-linking agent aqueous solution, utilize the cross-linking agent aqueous solution that acetaldehyde preparation molecule molar concentration is 0.002mol/mL, soybean is dividedPress 1:1:1 from albumen, gluten powder, peanut protein powder and mix, for subsequent use; Get soybean protein isolate, gluten powder, peanut egg39 parts, white powder three's mixture, 190 parts of boiler blow-down waters, 70 parts of mixing of alkali lye drop in 0.5 ton of reactor, control temperature 85DEG C, stir 40min and obtain albumen glue; First 11 parts of gluconic acid lactone cross-linking agent aqueous solutions are added to glue, stir 10min,Then 16 parts of acetaldehyde cross-linking agent aqueous solutions are added to glue, continue to stir 25min, then pour mould into, quiet in the temperature of 10 DEG CPut 3h and form gel; First monoblock gel is replaced to 8h in room temperature is submerged equal-volume distilled water, continuous 2 times, then with equal-volume justHexane displacement 8h, continuous 2 times, then with equal-volume absolute ethyl alcohol displacement 8h, and reclaims n-hexane and the ethanol after using; Will be justGel after hexane and ethanol displacement is immersed in 10min in liquid nitrogen, freezes real final vacuum freeze drying 60h, obtains a kind of vegetable proteinAeroge.
Embodiment 8
Calcium hydroxide and NaOH, by weight being 10 alkali lye for being mixed with pH after 1:1 mixing, are utilized in gluconic acidThe cross-linking agent aqueous solution that ester preparation molecule molar concentration is 0.008mol/mL, presses 1:1 by gluten powder, Fed Protein Powder of Pea Insteal mixedClose, for subsequent use; Get 39 parts, the mixture of gluten powder and Fed Protein Powder of Pea Insteal, 201 parts of boiler blow-down waters, 60 parts of alkali lye mix and drop intoIn 0.5 ton of reactor, control 85 DEG C of temperature, stir 40min and obtain albumen glue; 33 parts of cross-linking agent aqueous solutions are added to glue,And stir 50min, then pour mould into, in the temperature of 10 DEG C, leave standstill 40h and form gel; By monoblock gel at the room temperature body such as submergeIn long-pending distilled water, replace 8h, continuous 5 times; Gel after distilled water displacement is immersed in to 10min in liquid nitrogen, freezes real final vacuum freezing dryDry 50h, obtains a kind of soybean protein aeroge.
Vegetable protein aeroge apparent density 0.15 ~ 0.2g/cm described in the present embodiment 1-83, specific area 110 ~130m2/ g, be rich in mesoporous, can be used as absorption or heat preserving and insulating material. Vegetable protein aeroge preparation process raw material of the present inventionBe easy to get, with low cost and environmental protection; Preparation technology is simple, and the cycle is short, safe.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change withModify, all should belong to covering scope of the present invention.
Claims (10)
1. a preparation method for vegetable protein aeroge, is characterized in that: concrete steps are as follows:
1) plant protein powder, alkali lye and water are dropped in reactor, after hydrothermal treatment consists, obtain albumen glue;
2) cross-linking agent aqueous solution is added in the albumen glue of step 1), forms gel through stirring, leave standstill to process;
3) step 2) gel make vegetable protein aeroge through replacement solvent replacement Treatment, freezing, vacuum freeze drying.
2. the preparation method of vegetable protein aeroge according to claim 1, is characterized in that: alkali lye described in step 1)PH value is 9 ~ 13, step 2) molar concentration of cross-linker molecules is 0.0003 ~ 0.012mol/ in described cross-linking agent aqueous solutionmL。
3. the preparation method of vegetable protein aeroge according to claim 1 and 2, is characterized in that: plant protein powder, alkaliThe weight ratio of liquid, water, cross-linking agent aqueous solution is: 30 ~ 50:120 ~ 400:30 ~ 100:21 ~ 38.
4. the preparation method of vegetable protein aeroge according to claim 1 and 2, is characterized in that: in step 1), described inPlant protein powder be defatted soy flour, soybean isolate protein powder, peanut protein powder, gluten powder, Fed Protein Powder of Pea Insteal, corn eggThe mixture of one or more in white powder; Described water is distilled water or boiler blow-down water; Described alkali lye is NaOHThe mixture of one or more in the aqueous solution, calcium hydroxide aqueous solution, ammoniacal liquor.
5. the preparation method of vegetable protein aeroge according to claim 1 and 2, is characterized in that: step 2) in, described inCrosslinking agent be one or more mixtures in calcium chloride, gluconic acid lactone, formaldehyde, acetaldehyde, glyoxal, glutaraldehyde.
6. the preparation method of vegetable protein aeroge according to claim 1 and 2, is characterized in that: described in step 3)Replacement solvent be one or more mixtures in water, absolute ethyl alcohol, acetone, n-hexane.
7. the preparation method of vegetable protein aeroge according to claim 1 and 2, is characterized in that: described in step 1)Hydrothermal treatment consists be specially: temperature is 65 ~ 95 DEG C, mix and blend 30 ~ 60min.
8. the preparation method of vegetable protein aeroge according to claim 1 and 2, is characterized in that: step 2) described inStirring, leave standstill and be treated to: stir 15 ~ 50min, then pour in mould and to leave standstill 2 ~ 48h and form gel, dwell temperature is 10 ~ 40℃。
9. the preparation method of vegetable protein aeroge according to claim 1 and 2, is characterized in that: described in step 3)Replacement Treatment be specially: change 1 replacement solvent every 8h, change continuously 3 ~ 8 times, the volume of 1 replacement solvent and gelThan being 1:1; Described be freezingly: adopt liquid nitrogen frozen 5 ~ 10min; The time of vacuum freeze drying is: 24 ~ 72h.
10. the vegetable protein aeroge that preparation method as claimed in claim 1 or 2 makes.
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Cited By (9)
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| CN106178131A (en) * | 2016-07-04 | 2016-12-07 | 南通纺织丝绸产业技术研究院 | A kind of preparation method of fibroin albumen aeroge |
| CN106419374A (en) * | 2016-12-19 | 2017-02-22 | 福建农林大学 | Konjac glucomannan porous memory pillow core material and preparation method thereof |
| CN108219184A (en) * | 2016-12-09 | 2018-06-29 | 中国科学院苏州纳米技术与纳米仿生研究所 | Cyclodextrin aeroge, preparation method and application |
| CN110684231A (en) * | 2019-10-06 | 2020-01-14 | 武汉纺织大学 | Flexible wool keratin fiber aerogel and preparation method thereof |
| CN112661154A (en) * | 2020-12-11 | 2021-04-16 | 河北工业大学 | Preparation method of graphene-containing high-adsorbability plant protein carbon aerogel |
| CN113512230A (en) * | 2021-06-02 | 2021-10-19 | 苏州大学 | Wheat gluten protein biomass foam and preparation method thereof |
| CN114437374A (en) * | 2022-03-17 | 2022-05-06 | 华南农业大学 | Preparation method of high-strength high-elasticity plant protein hydrogel |
| CN115383863A (en) * | 2022-08-31 | 2022-11-25 | 福建农林大学 | Light-transmitting bamboo shaving board capable of customizing patterns and preparation method thereof |
| RU2801351C1 (en) * | 2022-05-18 | 2023-08-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" | Pharmaceutical composition based on protein aerogels for use as intranasal sprays and a method of its production |
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| CN106178131A (en) * | 2016-07-04 | 2016-12-07 | 南通纺织丝绸产业技术研究院 | A kind of preparation method of fibroin albumen aeroge |
| CN108219184A (en) * | 2016-12-09 | 2018-06-29 | 中国科学院苏州纳米技术与纳米仿生研究所 | Cyclodextrin aeroge, preparation method and application |
| CN108219184B (en) * | 2016-12-09 | 2023-04-07 | 中国科学院苏州纳米技术与纳米仿生研究所 | Cyclodextrin aerogel, preparation method and application thereof |
| CN106419374A (en) * | 2016-12-19 | 2017-02-22 | 福建农林大学 | Konjac glucomannan porous memory pillow core material and preparation method thereof |
| CN110684231A (en) * | 2019-10-06 | 2020-01-14 | 武汉纺织大学 | Flexible wool keratin fiber aerogel and preparation method thereof |
| CN110684231B (en) * | 2019-10-06 | 2022-02-25 | 武汉纺织大学 | Flexible wool keratin fiber aerogel and preparation method thereof |
| CN112661154A (en) * | 2020-12-11 | 2021-04-16 | 河北工业大学 | Preparation method of graphene-containing high-adsorbability plant protein carbon aerogel |
| CN112661154B (en) * | 2020-12-11 | 2023-03-10 | 河北工业大学 | Preparation method of graphene-containing high-adsorbability plant protein carbon aerogel |
| CN113512230A (en) * | 2021-06-02 | 2021-10-19 | 苏州大学 | Wheat gluten protein biomass foam and preparation method thereof |
| CN114437374A (en) * | 2022-03-17 | 2022-05-06 | 华南农业大学 | Preparation method of high-strength high-elasticity plant protein hydrogel |
| RU2801351C1 (en) * | 2022-05-18 | 2023-08-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" | Pharmaceutical composition based on protein aerogels for use as intranasal sprays and a method of its production |
| CN115383863A (en) * | 2022-08-31 | 2022-11-25 | 福建农林大学 | Light-transmitting bamboo shaving board capable of customizing patterns and preparation method thereof |
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