CN103396497B - A kind of Chinese honey locust polysaccharide gum and preparation method thereof - Google Patents
A kind of Chinese honey locust polysaccharide gum and preparation method thereof Download PDFInfo
- Publication number
- CN103396497B CN103396497B CN201310325441.4A CN201310325441A CN103396497B CN 103396497 B CN103396497 B CN 103396497B CN 201310325441 A CN201310325441 A CN 201310325441A CN 103396497 B CN103396497 B CN 103396497B
- Authority
- CN
- China
- Prior art keywords
- honey locust
- chinese honey
- polysaccharide gum
- polysaccharide
- gum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to a kind of Chinese honey locust polysaccharide gum and preparation method thereof, this Chinese honey locust polysaccharide gum is prepared by following methods: Gleditsia sinensis Seeds through sulfur acid pretreatment, then shell, dry, hack, chip select, screening, hydration, abrasive dust, to obtain final product.The present invention prepares polysaccharide gum through washing, hacking etc. to be separated again by sulfur acid pretreatment Chinese honey locust, in reduction product while water insoluble matter content, changes semi-lactosi and seminose ratio in product, make it blended with xanthan gum after there is better gel property.
Description
Technical field
The present invention relates to Fructus Gleditsia extract, be specifically related to a kind of Chinese honey locust polysaccharide gum and application thereof.
Background technology
Galactomannan gum because of the rheological of its uniqueness, and is widely used as thickening material, stablizer, flocculation agent, dispersion agent etc. and is applied to the industries such as petroleum drilling and mining, food medicine, textile printing and dyeing, mining and mill run, war industry's explosive, daily use chemicals pottery, building coating, papermaking.
Galactomannan gum is divided into leguminous herbaceous plant's glue and pulse family xylophyta glue according to varieties of resources, and earlier 1900s, the U.S. started to develop woody algaroba glue, had been applied to many fields to nineteen forties.World War II; algaroba resource greatly reduces; the U.S. finds and develops draft guar-bean replacement algaroba; guar-bean originates in India and Pakistan; the U.S. is successful introduction also; there be guar-bean plantation and the processing base of mass-producing in these three countries at present, and guar gum annual production reaches 500,000 tons.
China's draft class vegetable jelly has trigonella bean gum and sesbania gum, sesbania is as the green manure resource of improvement soil, once developed rapidly in the 1980s, at present, the atrophy increasingly of China's sesbania resource, and trigonella resource because of the water insoluble matter content of its glue low, Gel Properties is superior obtains certain development.
In recent years, global climate goes from bad to worse, countries in the world require to concede the land to forestry one after another, improve forest coverage, value and strengthen ecological construction, well developed root system, cold-resistant drought-enduring, economize on water and environmental seeds such as the comprehensive exploitation of Chinese honey locust, wild Chinese honey locust, Chinese scholar tree and Ta La etc. research of being rich in galactomannan gum also result in attention.
The seed of Chinese honey locust and wild Chinese honey locust is made the method for polysaccharide gum, because the common feature of xylophyta glue is seed profile rule, seed is large, kind of skin depth and hard, and outer covering of the seed has wax layer, namely use warm water that seed is soaked 20h, Interior Seed absorbs moisture not yet, therefore, many employing mechanical phonograph recorder separation glues.
As:
CN03132340.5(publication number is 1488648A) report adopt microwave drying method thermal pretreatment is carried out to Gleditsia sinensis Seeds, then through hacking, the technique of chip select and the series of processes separation and Extraction Chinese honey locust polysaccharide gum such as selected, this production efficiency is high, low equipment investment, but product water insolubles content is higher.
CN200410022764.7(publication number CN1583046) disclose a kind of soap doubling capsule, it is made up of Chinese honey locust raw material, gets Chinese honey locust, and removing impurity, is baked to burnt odor taste, high temperature puffing, beats powder and sieve, encapsulated.
Jiang builds (parch method separation and Extraction polygalactomannan type seed glue such as new grade, Chinese Wild plant resources, in October, 2003,22(5): 34-36) disclose the method for a kind of parch method extracting polysaccharide gum from Chinese honey locust, wild Chinese honey locust, optimal production condition is: preheating 60min at 80 DEG C, then in 160 DEG C of dry-roast machines parch 4min enter hack, chip select and screening; Chinese honey locust film yield 30.5%, Chinese honey locust polysaccharide gum extract content is 83%, Chinese honey locust polysaccharide gum viscosity 270mPa.s.
(the Chen Yanqing etc. such as Chen Yanqing, the preparation of selenylation honeylocust kernel polysaccharide gum and Study of Antioxidation, Food Additives Used in China, 4th phase: 118-121 in 2012) disclose a kind of extracting method of honeylocust kernel polysaccharide gum, the method is by the Chinese honey locust benevolence of 5g drying, distilled water immersion spends the night, add 500ml distilled water, ultrasonic wave 9min, 90 DEG C are extracted 6h, centrifugation, 95% ethanol of volume ratio 1:4 is added after clear liquid concentrating under reduced pressure, there is white flock precipitate, centrifugation, precipitation uses ethanol washing with acetone, lyophilize obtains the honeylocust kernel polysaccharide gum of white solid powder.
Summary of the invention
The object of this invention is to provide a kind of Chinese honey locust polysaccharide gum.
A kind of Chinese honey locust polysaccharide gum provided by the invention, this Chinese honey locust polysaccharide gum is prepared by following methods: Gleditsia sinensis Seeds through sulfur acid pretreatment, then shell, dry, hack, chip select, screening, to obtain final product.
Concrete, described Chinese honey locust polysaccharide gum is prepared by following methods:
1) acid treatment: Gleditsia sinensis Seeds is immersed in Gleditsia sinensis Seeds bulking value 1.6-2 sulphuric acid soln doubly, carries out acid treatment 1-3h in 50-70 DEG C of water-bath;
2) to shell, dry: wash the kind shell removing outer carbonization by rubbing with the hands, the seed drying then shelled by cold water flush;
3) hack, chip select, screening, obtain polysaccharide film;
4) hydration polysaccharide film: by the hot water hydration of polysaccharide film, abrasive dust, obtained Chinese honey locust polysaccharide gum.
In above-mentioned Chinese honey locust polysaccharide gum:
In described step 1):
Described Gleditsia sinensis Seeds moisture content≤10%, trash content≤2%;
The consumption of sulfuric acid is 1.6-2 times of Gleditsia sinensis Seeds bulking value, that is, when Gleditsia sinensis Seeds weight is 500g, the consumption of sulfuric acid is 800-1000mL; The consumption of sulfuric acid is preferably 1.8-2 doubly;
The concentration of described sulfuric acid is 55%, and described concentration is volume ratio;
Described step 2) in:
The temperature of described cold water is 20 DEG C, and the consumption of cold water is 3 times of Gleditsia sinensis Seeds bulking value;
Dry: temperature is 90 DEG C, and the time is 30min;
In described step 3):
Describedly to hack: adopt beater grinder, the spacing of blade and fixed tooth plate is 5-8mm, and optimal spacing is 7-8mm;
The process of described chip select and screening is: first time screening mesh size is 12-14 order, and chip select workshop section pulverizer rotating speed is 3200rpm; Programmed screening mesh size is 20-24 order; First time screening mesh size is preferably 13-14 order, and programmed screening mesh size is preferably 22-24 order; First time screening eliminates a small amount of seed coat and embryo, during programmed screening, eliminate embryo and a small amount of oddments, and pulverizer rotating speed is limited, because the object pulverized allows seed coat, Fetal liver cells separate more fully, instead of smash completely, certain rotating speed can ensure certain surging force;
Described step 4) hydration polysaccharide film: the temperature of hot water is 90 DEG C, the weight ratio of water and film is 0.4:1, and abundant swollen after described hydration refers to and allows polysaccharide gum absorb water also is rich in certain elasticity.
Present invention also offers the preparation method of above-mentioned Chinese honey locust polysaccharide, the method comprises the following steps:
1) acid treatment: Gleditsia sinensis Seeds is immersed in Gleditsia sinensis Seeds bulking value 1.6-2 sulphuric acid soln doubly, carries out acid treatment 1-3h in 50 ~ 70 DEG C of water-baths;
2) wash: wash the kind shell removing outer carbonization by rubbing with the hands, the seed drying then shelled by cold water flush;
3) hack, chip select, screening, obtain polysaccharide film;
4) hydration polysaccharide film: by the hot water hydration of polysaccharide film, abrasive dust, obtained Chinese honey locust polysaccharide gum.
Present invention also offers soft gel, described soft gel is by Chinese honey locust polysaccharide gum and xanthan gum is blended is formed afterwards, and wherein the weight ratio of Chinese honey locust polysaccharide gum and xanthan gum is 7:3.
In described soft gel: semi-lactosi and seminose ratio are about 1:3.
The technological merit that sulfur acid pretreatment provided by the invention prepares Chinese honey locust polysaccharide gum is:
(1) what sulfuric acid process pre-treatment adopted is the sulfuric acid of intermediate concentration, and sulfuric acid is easy to recycle;
(2) Gleditsia sinensis Seeds kind skin depth and hard, contriver selects the sulfuric acid of proper concn to soak Gleditsia sinensis Seeds, process rear section seed coat cracking, again through washing, seed coat is instant of complete cracking because being heated, and be separated with seed, remaining endosperm and embryo through fluidised bed drying, then through hacking, chip select, screening, hydration, powder process obtains Chinese honey locust polysaccharide gum product;
By controlling the concentration of sulfuric acid, temperature and acid treatment time, can avoid the effect to kind of a benevolence (Fetal liver cells), the pre-treatment that the vitriol oil of more than 90% germinates at agricultural seed also can be used, but acid concentration is too high has larger destruction to kind of benevolence.(3) the present invention prepares polysaccharide gum through washing, hacking etc. to be separated again by sulfur acid pretreatment Chinese honey locust, in reduction product while water insoluble matter content, changes semi-lactosi and seminose ratio in product, make it blended with xanthan gum after there is better gel property.
(4) along with locust bean resource reduces increasingly, rising steadily of Viscogum BE price, the Chinese honey locust polysaccharide gum prepared with sulfur acid pretreatment is the ideal substitute of Viscogum BE, is also one of important channel of the profound conversion of Chinese honey locust polysaccharide gum.
Accompanying drawing explanation
Fig. 1: process flow sheet.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Concrete grammar provided by the invention, is shown in the process flow sheet shown in accompanying drawing 1.
Described cold water is 20 DEG C.
Embodiment 1: the preparation method of Chinese honey locust polysaccharide gum
1, sulphuring treatment: it is in the sulphuric acid soln of 55% that the Gleditsia sinensis Seeds (water content 9.2%, trash content 1.5%) of 500g is immersed in 900mL volumetric concentration, carries out acid treatment 2h in 60 DEG C of water-baths;
2, shelling, drying: with the Gleditsia sinensis Seeds after the acid treatment of 1500mL cold water flush, and wash the kind shell removing outer carbonization by rubbing with the hands, seed dry 30min in the fluidised bed drying case of 90 DEG C of shelling;
3, hack: adopt beater grinder, the spacing of blade and fixed tooth plate is 7mm;
4, chip select and screening: first time screening mesh size is 13 orders, and chip select workshop section pulverizer rotating speed is 3200rpm, and programmed screening mesh size is 22 orders, obtains polysaccharide film;
5, hydration polysaccharide film: polysaccharide film 90 DEG C of hot water carry out hydration, and water and film weight ratio are 0.4:1, and hydration film obtains Chinese honey locust polysaccharide gum through abrasive dust.
Embodiment 2: the preparation method of Chinese honey locust polysaccharide gum
1, sulphuring treatment: it is in the sulphuric acid soln of 55% that the Gleditsia sinensis Seeds (water content 8.9%, trash content 1.6%) of 500g is immersed in 1000mL volumetric concentration, carries out acid treatment 3h in 70 DEG C of water-baths;
2, shelling, drying: then use the Gleditsia sinensis Seeds after the acid treatment of 1500mL cold water flush, and wash the kind shell removing outer carbonization by rubbing with the hands, seed dry 30min in the fluidised bed drying case of 90 DEG C of shelling;
3, hack: adopt beater grinder, the spacing of blade and fixed tooth plate is 8mm;
4, chip select and screening: first time screening mesh size is 14 orders.Chip select workshop section pulverizer rotating speed is 3200rpm.Programmed screening mesh size is 24 orders, obtains polysaccharide film;
5, hydration polysaccharide film: polysaccharide film 90 DEG C of hot water carry out hydration, and water and film weight ratio are 0.4:1, and hydration film obtains Chinese honey locust polysaccharide gum through abrasive dust.
Embodiment 3: the preparation method of Chinese honey locust polysaccharide gum
1, sulphuring treatment: it is in the sulphuric acid soln of 55% that the Gleditsia sinensis Seeds (water content 9.5%, trash content 1.1%) of 500g is immersed in 800mL volumetric concentration, carries out acid treatment 1h in 50 DEG C of water-baths;
2, shelling, drying: then use the Gleditsia sinensis Seeds after the acid treatment of 1500mL cold water flush, and wash the kind shell removing outer carbonization by rubbing with the hands, seed dry 30min in the fluidised bed drying case of 90 DEG C of shelling;
3, hack: adopt beater grinder, the spacing of blade and fixed tooth plate is 5mm;
4, chip select and screening: first time screening mesh size is 12 orders.Chip select workshop section pulverizer rotating speed is 3200rpm.Programmed screening mesh size is 20 orders, obtains polysaccharide film;
5, hydration polysaccharide film: polysaccharide film 90 DEG C of hot water carry out hydration, and water and film weight ratio are 0.4:1, and hydration film obtains Chinese honey locust polysaccharide gum through abrasive dust.
Embodiment 4: the preparation method of Chinese honey locust polysaccharide gum
1, sulphuring treatment: it is in the sulphuric acid soln of 55% that the Gleditsia sinensis Seeds (water content 8.3%, trash content 1.6%) of 500g is immersed in 1000mL volumetric concentration, carries out acid treatment 1h in 70 DEG C of water-baths;
2, shelling, drying: with the Gleditsia sinensis Seeds after the acid treatment of 1500mL cold water flush, and wash the kind shell removing outer carbonization by rubbing with the hands, seed dry 30min in the fluidised bed drying case of 90 DEG C of shelling;
3, hack: adopt beater grinder, the spacing of blade and fixed tooth plate is 7mm;
4, chip select and screening: first time screening mesh size is 13 orders.Chip select workshop section pulverizer rotating speed is 3200rpm.Programmed screening mesh size is 22 orders, obtains polysaccharide film;
5, hydration polysaccharide film: polysaccharide film 90 DEG C of hot water carry out hydration, and water and film weight ratio are 0.4:1, and hydration film obtains Chinese honey locust polysaccharide gum through abrasive dust.
Experimental example 1: yield and quality control index
1, yield and quality examination are carried out to the Chinese honey locust polysaccharide gum that embodiment 1-4 provides, wherein: polysaccharide gum yield refers to the ratio obtaining polysaccharide gum absolute dry mass and raw material seed absolute dry mass;
The indexs such as water insoluble matter content, 1% gelatin viscosity, reference standard SY/T5766-1995 measuring method carries out;
Seminose/semi-lactosi (M/G) ratio adopts liquid phase chromatography, measures according to U.S.'s NREL/TP-510-42618 standard.
Wherein comparative example is the Chinese honey locust polysaccharide gum that parch method obtains.
2, detected result: in table 1
Table 1: the Chinese honey locust polysaccharide gum yield of different embodiment condition and quality index
Table 1 result shows: seminose/semi-lactosi (M/G) ratio of the Chinese honey locust polysaccharide gum that embodiment 1-4 provides is 3.7-4.7, because seminose/semi-lactosi (M/G) ratio of commercially available Chinese honey locust polysaccharide gum is 3.0, the production method that embodiment adopts changes seminose and semi-lactosi proportion of composing in product.Although the present embodiment polysaccharide gum yield decreases than parch method, product 1% gelatin viscosity all improves, and in product, the foreign matter content such as water-insoluble obviously reduces.
Result shows: the product prepared of the inventive method while water insoluble matter content, changes semi-lactosi and seminose ratio in product in reduction product, make it blended with xanthan gum after there is better gel property.
Experimental example 2: the mensuration of gel-strength
1, strength detection method: by commercially available parch method Chinese honey locust polysaccharide gum and embodiment 1 Chinese honey locust polysaccharide gum product respectively with xanthan gum with 7:3(w/w) ratio mix after, be distributed in deionized water under constant speed stirs, make total polymer concentration in dispersion liquid be 1.0%(w/v).Under magnetic stirring after water contract 30min, binary mixture be heated to 80 DEG C and after constant temperature 15min, be poured onto rapidly in the container of 45mm diameter, 35mm height.At room temperature leave standstill 24h and form gelling material.Brookfield Texture instrument is used to carry out gel-strength mensuration to prepared gel sample.
2, detected result: in table 1
The gel-strength of commercially available parch method Chinese honey locust polysaccharide gum and embodiment 1 Chinese honey locust polysaccharide gum is respectively 17.5g and 23.2g, and product prepared by the inventive method can be used as the substitute application gelatinous material field of locust bean gum in actual production.
Although above with general explanation, embodiment and test, the present invention is described in detail, and on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (6)
1. a preparation method for Chinese honey locust polysaccharide gum, is characterized in that, the method comprises the following steps:
1) acid treatment: Gleditsia sinensis Seeds is immersed in Gleditsia sinensis Seeds bulking value 1.8-2 55% sulphuric acid soln doubly, carries out acid treatment 1-3h, Gleditsia sinensis Seeds moisture content≤10%, trash content≤2% in 50-70 DEG C of water-bath;
2) to shell, dry: wash the kind shell removing outer carbonization by rubbing with the hands, the seed drying then shelled by cold water flush;
3) hack, chip select, screening, obtain polysaccharide film;
4) hydration polysaccharide film: the hot water hydration by polysaccharide film temperature being 90 DEG C, abrasive dust, obtained Chinese honey locust polysaccharide gum, the weight ratio of water and film is 0.4:1.
2. method according to claim 1, is characterized in that, described step 2) in: the temperature of described cold water is 20 DEG C, and the consumption of cold water is 3 times of Gleditsia sinensis Seeds bulking value; Dry temperature is 90 DEG C, and the time is 30min.
3. method according to claim 1, is characterized in that, described step 3) in: hack and adopt beater grinder to carry out, the spacing of blade and fixed tooth plate is 5-8mm.
4. method according to claim 3, is characterized in that, described step 3) in: the spacing of blade and fixed tooth plate is 7-8mm.
5. method according to claim 1, is characterized in that, described rapid 3), the process of chip select and screening is: first time screening mesh size is 12-14 order, and chip select workshop section pulverizer rotating speed is 3200rpm; Programmed screening mesh size is 20-24 order.
6. method according to claim 5, is characterized in that, first time screening mesh size is 13-14 order, and programmed screening mesh size is 22-24 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325441.4A CN103396497B (en) | 2013-07-30 | 2013-07-30 | A kind of Chinese honey locust polysaccharide gum and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325441.4A CN103396497B (en) | 2013-07-30 | 2013-07-30 | A kind of Chinese honey locust polysaccharide gum and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103396497A CN103396497A (en) | 2013-11-20 |
| CN103396497B true CN103396497B (en) | 2016-01-20 |
Family
ID=49560248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310325441.4A Active CN103396497B (en) | 2013-07-30 | 2013-07-30 | A kind of Chinese honey locust polysaccharide gum and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103396497B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105942513A (en) * | 2016-06-03 | 2016-09-21 | 河南洛阳红牡丹产业研发有限公司 | Peony plant edible gum preparing method |
| CN109988872B (en) * | 2019-04-25 | 2022-06-28 | 北京林业大学 | Preparation method of mannose oligomer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488648A (en) * | 2003-08-15 | 2004-04-14 | 中华全国供销合作总社南京野生植物综 | Microwave method preparing process for separating and extracting polysaccharide gum of chinese honey locust |
| EP1739095A1 (en) * | 2004-01-30 | 2007-01-03 | Toho Chemical Industry Co., Ltd. | Cation-modified purified galactomannan polysaccharide and cosmetic composition containing the substance |
| CN1887895A (en) * | 2006-07-12 | 2007-01-03 | 中华全国供销合作总社南京野生植物综合利用研究院 | Semi-dry microwave treating process of preparing galactomannan |
| CN103319623A (en) * | 2013-07-16 | 2013-09-25 | 北京林业大学 | Step purification method of polysaccharide gum in Chinese honey locust |
-
2013
- 2013-07-30 CN CN201310325441.4A patent/CN103396497B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488648A (en) * | 2003-08-15 | 2004-04-14 | 中华全国供销合作总社南京野生植物综 | Microwave method preparing process for separating and extracting polysaccharide gum of chinese honey locust |
| EP1739095A1 (en) * | 2004-01-30 | 2007-01-03 | Toho Chemical Industry Co., Ltd. | Cation-modified purified galactomannan polysaccharide and cosmetic composition containing the substance |
| CN1887895A (en) * | 2006-07-12 | 2007-01-03 | 中华全国供销合作总社南京野生植物综合利用研究院 | Semi-dry microwave treating process of preparing galactomannan |
| CN103319623A (en) * | 2013-07-16 | 2013-09-25 | 北京林业大学 | Step purification method of polysaccharide gum in Chinese honey locust |
Non-Patent Citations (1)
| Title |
|---|
| "烘炒法分离提取半乳甘露聚糖型种子胶";蒋建新等;《中国野生植物资源》;20031030;第22卷(第5期);第35-36页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103396497A (en) | 2013-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mathur et al. | Fenugreek and other lesser known legume galactomannan-polysaccharides: scope for developments | |
| CN102517974B (en) | Method for preparing soybean curb residue dietary fiber edible paper | |
| CN103013672A (en) | Process for comprehensively utilizing flax seed skin | |
| CN104026711A (en) | Production system and making method of canna edulis vermicelli | |
| CN107892722A (en) | A kind of preparation method of water-soluble tamarind seed polysaccharide | |
| CN103396497B (en) | A kind of Chinese honey locust polysaccharide gum and preparation method thereof | |
| CN104387498B (en) | Technical method for simultaneously preparing premna microphylla pectin and premna microphylla sodium copper chlorophyll from premna microphylla | |
| CN106220697B (en) | A kind of bitter buckwheat rutin extraction method | |
| CN104031172A (en) | Method for extracting pectin from banana peel by ultrasonic synergistic ammonium oxalate method | |
| CN102146143B (en) | Method for preparing pectin and cellulose from extracting residues of ginseng and American ginseng and application thereof | |
| CN102511794A (en) | Lentinus edodes dietary fiber slice and preparation method thereof | |
| CN109320618A (en) | A kind of method that extrusion collaboration alkaline process improves cereals starch extraction rate | |
| CN103637055A (en) | Manufacturing method of completely original nutrition fresh wet rice flour | |
| CN103637048A (en) | Manufacturing method of completely original nutrition dry rice flour | |
| CN110050541A (en) | A kind of method of Chinese tallow tree seed fast dewaxing vernalization | |
| CN107501994A (en) | A kind of method with microwave ultrasonic extraction purple highland barley pigment | |
| CN108587331A (en) | A kind of special white-out agent of citrus fruit | |
| CN108377773A (en) | A kind of grape cuttage cultivation Nutrition Soil and preparation method thereof | |
| CN103319623B (en) | Step purification method of polysaccharide gum in Chinese honey locust | |
| CN114790249A (en) | Straw-based cellulose derivative and preparation method and application thereof | |
| CN114195909A (en) | Preparation method of Gleditsia sinensis natto functional polysaccharide | |
| CN102643610A (en) | Production method for extracting natural polymer material from eucommia pericarp | |
| CN104356252A (en) | Technological method for simultaneously preparing basella rubra vegetable gelatin and basella rubra sodium copper chlorophyllin from basella rubra | |
| CN103351439A (en) | Manufacturing technology of camellia sinensis seed starch through biological fermentation method | |
| CN109380373A (en) | A method of green ecological non-poisonous pesticides are extracted using banana dasheen waste water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |