CN104839617A - Method for extracting plant salt contained in sea asparagus having high carbon sequestration capacity in saline land - Google Patents
Method for extracting plant salt contained in sea asparagus having high carbon sequestration capacity in saline land Download PDFInfo
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- CN104839617A CN104839617A CN201510210966.2A CN201510210966A CN104839617A CN 104839617 A CN104839617 A CN 104839617A CN 201510210966 A CN201510210966 A CN 201510210966A CN 104839617 A CN104839617 A CN 104839617A
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Abstract
A method for extracting plant salt contained in sea asparagus having high carbon sequestration capacity in a saline land comprises the steps of planting the sea asparagus in the saline land and extracting the plant salt, wherein the plant salt extracting step include cleaning, drying, smashing and subcritical propane-liquid ammonia extraction. By adopting the method for extracting the plant salt contained in the sea asparagus having high carbon sequestration capacity in the saline land, saline-alkali land soil in a planting area is effectively improved, the soil salinity is reduced, soil organic matter is increased by 1.3-1.46g/kg, the water seepage speed of the soil is improved by 47-55%, and the soil salinity is 2.0-2.5%. The yield of obtained plant salt is 1.96-2.0%, the sodium chloride content of the plant salt is 37.2-38.9%, the content of trace elements and amino acid is remarkably improved, the glutamic acid is 12.3-12.6 mg/g, the glycine is 5.8-6.9 mg/g, alanine 6.5-7.5g/g, and the carbon sequestration capacity of absorbing carbon dioxide of the sea asparagus per hectare is 5.3-5.4 tons.
Description
Technical field
The present invention relates to a kind of extracting method of plant salt, be specifically related to the extracting method of plant salt in the high extra large asparagus of the solid carbon ability in a kind of salt-soda soil, belong to alkaline land improvement and field of comprehensive utilization.
Background technology
Sea asparagus, except containing abundant amino acid, proteins,vitamins,minerals, also containing natural plant health protection salt and natural saponin, can effectively reduce cholesterol on vascular wall, play the metabolic effect of step-down, lipopenicillinase, fat-reducing, promotion liver.These distinctive nutriments make extra large asparagus become China's sea water vegetable new varieties, are applicable to very much being processed into various deep processed product.
But up to the present, after emergence rate during extra large planting asparagus and transplant planting, survival rate is not high, and the solid carbon of extra large asparagus absorbing carbon dioxide is indifferent.Also few to the deep processing of extra large asparagus at present, the preliminary working product mostly just to extra large asparagus.As disclosed a kind of method preparing extra large asparagus edible plant salt in Chinese patent application 200710192218.1, disclosed in this and Chinese patent ZL2005100095207.4, Salicornia Bigelovii Torr. Powder and preparation method thereof is similar, these two kinds of methods be all by raw material through selecting, powder or the grain that dry, physical crushing obtains material.Although obtained powder contains raw-material nutritional labeling, but simultaneously also containing some can not the material that not easily absorbs of water-soluble or human body as string, deformation protein etc., thus causing the water-soluble poor of gained plant salt product, range of application is subject to larger restriction.
Summary of the invention
The present invention is the deficiency solving prior art existence, provides the extracting method of plant salt in the extra large asparagus that the solid carbon ability in a kind of salt-soda soil is high, to realize following goal of the invention:
(1) emergence rate of extra large asparagus is high, and after transplant planting, survival rate is high.
(2) the solid carbon ability of per hectare sea asparagus absorbing carbon dioxide reaches 5.3-5.4 ton, and in fresh extra large asparagus, amino acid contained total amount is 2.9-3.0g/100g.
(3) effectively improve the alkaline land soil of planting area, increase the soil organism and total nitrogen content, soil seepage velocity is accelerated, and reduces Soil salinity.
(4) the plant salt yield prepared improves.
(5) in the plant salt prepared, the content of sodium chloride reaches 37.2-38.9%.
(6), in the plant salt prepared, the content of calcium, iron, zinc, selenium and other trace elements content and glutamic acid, glycine, alanine is significantly increased.
For solving above technical problem, technical scheme provided by the invention is as follows:
An extracting method for plant salt in the extra large asparagus that the solid carbon ability in salt-soda soil is high, the plantation and the plant salt that comprise sea, salt-soda soil asparagus extract; Described plant salt extracts, and comprises cleaning, drying, pulverizing, ultrasonic wave added Propane-liquefied ammonia extraction.
Below the further improvement to technique scheme:
Described ultrasonic wave added Propane-liquefied ammonia extraction, comprises the extraction of ultrasonic wave added Propane, and described ultrasonic wave added Propane extraction, containing first entrainer of 6%.
The first described entrainer entrainer, comprises 70% ethanol, methyl alcohol 10%, butanols 10%.
Described ultrasonic wave added Propane extraction, comprise ultrasound-assisted extraction, ultrasonic power density is 70-120W/L.
Described ultrasonic wave, supersonic frequency 51-60KHz.
Described salt-soda soil is: salinized soil silty sand silt clay, and below 60cm is the cement particle of the mud exquisiteness taking marine sediments as dominant shape one-tenth, and soil is divided into master with sodium chloride salt, and arable layer thickness is 30cm, and saliferous is higher than 4.0%.
Adopt the extracting method of plant salt in the extra large asparagus that the solid carbon ability in a kind of salt-soda soil of the present invention is high, there is following beneficial effect:
(1) extra large asparagus emergence rate of the present invention is 99.6-99.8%, and after transplant planting, survival rate is 95.9-96.8%.
(2) the solid carbon ability of per hectare sea asparagus absorbing carbon dioxide reaches 5.3-5.4 ton, and in fresh extra large asparagus, amino acid contained total amount is 2.9-3.0g/100g.
(3) the present invention effectively improves the alkaline land soil of planting area, increase the soil organism and total nitrogen content, soil seepage velocity is accelerated, reduce Soil salinity, the soil organism increases 1.3-1.46g/kg, soil total N content increases 22-28%, and soil seepage velocity improves 47-55%, and Soil salinity is 2.0-2.5%.
(4) the present invention prepares the yield of plant salt is 1.96-2.0%
(5) in the plant salt prepared of the present invention, sodium chloride content is 37.2-38.9%.
(6) the plant salt medium trace element prepared of the present invention and amino acid whose content are significantly improved, Ca content is 5445-5490mg/kg, Fe content is 120-125mg/kg, Zn content 39-42mg/kg, Se content is 0.01-0.014mg/kg, glutamic acid is 12.3-12.6 mg/g, and glycine is 5.8-6.9 mg/g, and alanine is 6.5-7.5 mg/g.
Detailed description of the invention
embodiment 1
An extracting method for plant salt in the extra large asparagus that the solid carbon ability in salt-soda soil is high, comprises the following steps:
one, the plantation of sea, salt-soda soil asparagus
(1) selection in salt-soda soil
Salinized soil silty sand silt clay, below 60cm take marine sediments as the cement particle of mud exquisiteness that dominant shape becomes, and soil is divided into master with sodium chloride salt, and the general thickness of arable layer is about 30cm, saliferous higher than 4.0% strongly salined soil.
(2) soil is arranged
Adopt machinery to turn over topsoil, it is native soil block to be harrowed broken loose table, and grading is risen and fallen without obvious convex-concave; Play furrow trench digging, the wide 2-3m of every furrow, furrow face is smooth, and middle 1m place trench digging 15cm is dark, and with middle zanjon for benchmark, dark every 30cm trench digging 7cm respectively to both sides.
(3) Seed Treatment
Nutrient solution soaks
Nutrient solution consists of: sodium humate 1-5 part, ammonium nitrate 7-9 part, stalk fermentation waste liquid 10-15 part, amino acid/11 0-15 part, vitamin 6-9 part, soak time is 2-3 hour, pulls out and drains.
Ultrasonic process
Supersonic frequency is 62-65kHz, and ultrasonic treatment temperature is 62-65 DEG C, and sonification power is 610-650W, and the time is 45-50 minute.
(4) nursery
Ditch is opened by 15cm line-spacing in smooth good seedbed, ditch depth about 4cm, then every 12cm program request grain seed in ditch, after planting fine earth covers seed, after planting cover film, promotes full stand, and the 5-6 that comes up becomes left and right to throw off mulch film in time, after Qi Miao, medicine is robbed fine day and is ventilated loose wet, daytime, nursery bed temperature controlled at 21-24 DEG C, night 15-17 DEG C, it is high that seedling grows to 20-30cm, when growing 2-3 branch, get final product field planting.Seedbed soil used is, the compost of rural area soil and 7-10%, the ammonium sulfate of 1% and 1% calcium superphosphate mix, compost is heap chicken manure, heap cow dung or biogas manure.
(5) field planting, field management
Often drip irrigation zone setting between row ridge, dripper spacing 30cm, 50cm.
The same day of field planting seedling carries out drip irrigation first and waters, and irrigation quantity is 4 times of design irrigating water quota, and soil water regime adopts hygrometer to monitor, when humidity is less than 35%, carry out drip irrigation, each drip irrigation amount 130m3/hm2, water surface elevation is 3-4mm, and douche flow-control is at 0.8-0.9L/h.
two, plant salt extracts
(1) clean
Extra large asparagus spear leaf, cob edible portion are sprawled, thickness is 1-3cm, by swiftly flowing compressed air, dry powder is sprayed from nozzle, utilize the gas shock plant surface carrying dry powder, surface attachments is purged, the air pressure of air draught is advisable with 0.6-0.7Mpa, and purge time is 15-30 minute, and the flow velocity of air draught is 30-40kg/L
Again only with compressed air, purge surface, blown off by the dry powder of surface deposition, the air pressure of compressed air is advisable with 1.3-1.4Mpa, and purge time is 10-15 minute, and the flow velocity of air draught is 25-30kg/L.
(2) dry
The extra large asparagus cleaned up is put in basin, in dish, the thickness of extra large asparagus is 2-3cm, be placed in heated-air circulation oven, baking temperature controls at 50-60 DEG C, baking temperature preferably 50 DEG C, drying time is 3-5 hour, and after dry, moisture is no more than the 9-12% of extra large asparagus gross mass, naturally cool to room temperature, obtain dry extra large asparagus.
(3) pulverize
Pulverized by dried extra large asparagus, the particle diameter of crushing rear material is 150-200 μm.
(4) ball milling broken wall
By above-mentioned fine powder, add ball mill, carry out ball milling broken wall, drum's speed of rotation is 40-50 rev/min, through ball mill grinding in 0.5-3 hour, obtains the Ultramicro-powder that particle diameter is 20-100 μm.
(5) ultrasonic wave added Propane-liquefied ammonia extraction
A, ultrasonic wave added Propane extract
System is vacuumized, makes container inner pressure be negative pressure, pass into nitrogen to catch up with air residual to the greatest extent, again vacuumize, inject propane and extract under undercritical conditions.Extracting pressure 2-6MPa, temperature is 33-46 DEG C, and propane flow is 5-14kg/h.Primary separator pressure 1-2MPa, temperature is 32-42 DEG C; Second-stage separator pressure 0.5-1MPa, temperature 31-44 DEG C, extraction time 0.5-2 hour; Containing the entrainer of 6%, the first entrainer comprises 70% ethanol, methyl alcohol 10%, butanols 10%, and ultrasonic power density is 70-120W/L, supersonic frequency 51-60KHz.Use the second entrainer pure water again, repeat above-mentioned technique, collect extract, after extraction terminates, taken out by the extract in separating still, the raw material in extraction kettle carries out the extraction of next step again.
B, subcritical liquefied ammonia extract
Material is sent in the extractor of construction of pressure vessel, after closing feeding-passage, Pressure Drop extremely-0.09Mpa in device is made after deflating, squeeze into liquefied ammonia extractant and carry out three counter-current extractions, extraction time is 0.5-3 hour, extraction temperature is 18 DEG C ~ 44 DEG C, extracting pressure 0.7 Mpa ~ 2.6Mpa; Liquefied ammonia flow is 4-9L/h, primary separator pressure 0.3-0.6MPa, and temperature is 32-42 DEG C, second-stage separator pressure is 0.1-0.3 MPa, temperature is 31-44 DEG C, and the extract of extraction gained, enters vapo(u)rization system, solvent is gasified be separated with extract, the liquefied ammonia gas evaporated from material and in extract, compresses and liquefies through ammonia compressor, flows back to solvent circulating tank, recycle, collect extract and the merging of a step gained extract.
(6) extract pressed powder is prepared
Collect the extract merged, add the ethyl acetate of 50%, stirring and dissolving, then add the superfine silica gel powder of 50%, be uniformly mixed, crushed 100 eye mesh screens, mix, and at 40 DEG C, volatilization removing ethyl acetate, is extracted thing pressed powder.
(7) vacuum freeze drying
Sublimation drying is 5-13 hour, and cryogenic temperature is-38 ~-52 DEG C, and hothouse vacuum pressure is 3-12pa, and vacuum freeze drying is less than 2% to containing water gaging.
(8) pulverize, seal and preserve
Being crushed to particle diameter is 10-15 μm, and sealing is preserved.
embodiment 2
An extracting method for plant salt in the extra large asparagus that the solid carbon ability in salt-soda soil is high, comprises the following steps:
one, the plantation of sea, salt-soda soil asparagus
(1) selection in salt-soda soil
(2) soil is arranged
(3) Seed Treatment
Above-mentioned steps operates according to the method for embodiment 1, and the parameter of change is in table 1.
Table 1
(4) nursery
Nursery is carried out according to the method for embodiment 1.
(5) field planting, field management
Operate according to the method for embodiment 1.
two, plant salt extracts
Carry out the extraction of plant salt according to the mode of embodiment 1, the parameter of change is in table 3.
table 2 ball milling broken wall
table 3 extracts
result of the test is as follows:
The emergence rate of sea asparagus is 99.6-99.8%, and after transplant planting, survival rate is 95.9-96.8%; The solid carbon ability of per hectare sea asparagus absorbing carbon dioxide reaches 5.3-5.4 ton, and in fresh extra large asparagus, amino acid contained total amount is 2.9-3.0g/100g.
The present invention effectively improves the alkaline land soil of planting area, increases the soil organism and total nitrogen content, and soil seepage velocity is accelerated, and reduce Soil salinity, concrete effect is in table 4.
Indices in plant salt is extracted in table 5 in the asparagus of sea.
Table 4
Table 5
The above is the citing of best mode for carrying out the invention, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection scope of the present invention is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present invention, also within protection scope of the present invention.
Claims (6)
1. an extracting method for plant salt in the extra large asparagus that the solid carbon ability in salt-soda soil is high, is characterized in that: the plantation and the plant salt that comprise sea, salt-soda soil asparagus extract; Described plant salt extracts, and comprises cleaning, drying, pulverizing, ultrasonic wave added Propane-liquefied ammonia extraction.
2. the extracting method of plant salt in the extra large asparagus that the solid carbon ability in a kind of salt-soda soil according to claim 1 is high, it is characterized in that: described ultrasonic wave added Propane-liquefied ammonia extraction, comprise the extraction of ultrasonic wave added Propane, described ultrasonic wave added Propane extraction, containing first entrainer of 6%.
3. in the extra large asparagus that the solid carbon ability in a kind of salt-soda soil according to claim 2 is high, the extracting method of plant salt, is characterized in that: the first described entrainer entrainer, comprises 70% ethanol, methyl alcohol 10%, butanols 10%.
4. the extracting method of plant salt in the extra large asparagus that the solid carbon ability in a kind of salt-soda soil according to claim 2 is high, is characterized in that: described ultrasonic wave added Propane extraction, comprise ultrasound-assisted extraction, ultrasonic power density is 70-120W/L.
5. in the extra large asparagus that the solid carbon ability in a kind of salt-soda soil according to claim 4 is high, the extracting method of plant salt, is characterized in that: described ultrasonic wave, supersonic frequency 51-60KHz.
6. the extracting method of plant salt in the extra large asparagus that the solid carbon ability in a kind of salt-soda soil according to claim 1 is high, it is characterized in that: the plantation of described sea, salt-soda soil asparagus comprises the selection in salt-soda soil, described salt-soda soil is: salinized soil silty sand silt clay, below 60cm is the cement particle of the mud exquisiteness taking marine sediments as dominant shape one-tenth, soil is divided into master with sodium chloride salt, and arable layer thickness is 30cm, saliferous is higher than 4.0%.
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Cited By (3)
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| CN105993270A (en) * | 2016-05-31 | 2016-10-12 | 山东胜伟园林科技有限公司 | Method for carrying out original soil greening on secondary salinization saline-alkali soil through moisture and fertilizer preserving nutrient soil |
| CN105993271A (en) * | 2016-05-31 | 2016-10-12 | 山东胜伟园林科技有限公司 | Method for carrying out original soil cultivation on severe saline-alkali soil through diatomaceous shale containing nutrient soil |
| CN108157910A (en) * | 2017-12-18 | 2018-06-15 | 潍坊友容实业有限公司 | Utilize the chemical method of salt-soda soil sea asparagus manufacture plant salt |
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| CN105993270A (en) * | 2016-05-31 | 2016-10-12 | 山东胜伟园林科技有限公司 | Method for carrying out original soil greening on secondary salinization saline-alkali soil through moisture and fertilizer preserving nutrient soil |
| CN105993271A (en) * | 2016-05-31 | 2016-10-12 | 山东胜伟园林科技有限公司 | Method for carrying out original soil cultivation on severe saline-alkali soil through diatomaceous shale containing nutrient soil |
| CN108157910A (en) * | 2017-12-18 | 2018-06-15 | 潍坊友容实业有限公司 | Utilize the chemical method of salt-soda soil sea asparagus manufacture plant salt |
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Application publication date: 20150819 |