CN107455192A - A kind of production method of selenium-rich rice - Google Patents
A kind of production method of selenium-rich rice Download PDFInfo
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- CN107455192A CN107455192A CN201710716883.XA CN201710716883A CN107455192A CN 107455192 A CN107455192 A CN 107455192A CN 201710716883 A CN201710716883 A CN 201710716883A CN 107455192 A CN107455192 A CN 107455192A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/38—Layered or coated, e.g. dust-preventing coatings layered or coated with wax or resins
Abstract
The present invention relates to rice production technical field, more particularly to a kind of production method of selenium-rich rice, methods described includes Rice Cropping, water and fertilizer management, harvesting paddy, grain dehydration and shelled, in addition to rice application selenium-rich nutritive accelerator during plantation；The application process of selenium-rich nutritive accelerator is：To rice shoot mix root with selenium-rich nutritive accelerator before rice transplanting to handle, then transplant to big Tanaka；The 1 3% selenium-rich nutritive accelerator is added when milk stage, dough stage and full ripe stage apply fertilizer every time in the material that applies fertilizer.Compared with conventional method, the present invention is by preventing the aging of late growth stage of rice root, improve enrichment and absorption of the During Grain-filling rice to selenium, reduce the amount of application of selenium fertilizer, it is 2.90 3.46mg/kg to produce obtained rice Se content, high compared with general rice 8 10 times, and Organic Selenium accounting is up to 90 95% in rice, overcome and spray the problem of inorganic selenium causes the inorganic Se content of rice high, reach the standard of safe selenium-rich rice.
Description
【Technical field】
The present invention relates to rice production technical field, more particularly to a kind of production method of selenium-rich rice.
【Background technology】
Selenium is a kind of micro elements needed by human, has anticancer, anti-aging and improves the biological characteristicses such as body immunity,
Daily selenium intake is 50-200 micrograms to Chinese Soclety of Nutrition's recommendation per capita.But the day selenium intake deficiency of present China adult,
Low selenium or selenium deficiency area especially in soil, serious selenium deficiency in these regional agricultural product, selenium intake is very few, cause Keshan disease,
The generation of Kaschin-Beck disease, therefore Se content level in agricultural product especially rice is improved, it is that one of agricultural production research is important
Direction.
The implantation methods of selenium-rich rice are mainly at this stage：One：Inorganic selenium solution is sprayed in Grain Filling, makes rice fast
Speed absorbs inorganic selenium so as to reach selenium-rich level, and this can cause, and inorganic selenium residual quantity in rice is big, and Organic Selenium accounting is few, and human body
Poor to inorganic selenium assimilation effect, improper use easily causes selenosis, and security is low；Two：In district rich in selenium rice cultivation or rice
Selenium fertilizer is applied during Cultivate administration, because rice is frequently necessary to pour water and discharges water, the selenium of administration fertilizer be lost in it is big, the wasting of resources and
Environmental pollution becomes serious, and aging can occur plus rice growth later stage root, the absorbability of selenium is died down, therefore selenium fertilizer
Amount of application and rice absorbing ability are uncoordinated, do not reach selenium-rich effect not only, also result in pollution and aggravate.
【The content of the invention】
In view of the above, the invention provides a kind of production method of selenium-rich rice, this method is by preventing rice from giving birth to
The aging of long later stage root, enrichment and absorption of the During Grain-filling rice to selenium are improved, reduce the amount of application of selenium fertilizer, produce
The rice Se content arrived is 2.90-3.46mg/kg, high compared with general rice 8-10 times, and Organic Selenium accounting is up to 90- in rice
95%, the problem of inorganic Se content is high is overcome, reaches the standard of safe selenium-rich rice.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of production method of selenium-rich rice, including Rice Cropping, water and fertilizer management, harvesting paddy, grain dehydration and shelling,
The step of described production method is also including during plantation to rice application selenium-rich nutritive accelerator；The selenium-rich nutritive accelerator
Preparation method be：Selenium material 3-6 parts, ferrous sulfate 1-3 parts, maize germ extract 5-7 parts, brown alga extract 3-8 will be contained
Part, wedelia chinensis extract 2-7 parts and Sage extract 4-8 parts are mixed and made into the release-controlled coated particle that particle diameter is 10-20mm；Institute
The application process for stating selenium-rich nutritive accelerator is：A. rice shoot is carried out with selenium-rich nutritive accelerator before rice transplanting mixing root processing, then moved
Plant to big Tanaka；B. selenium-rich battalion described in 1-3% is added when milk stage, dough stage and full ripe stage apply fertilizer every time in the material that applies fertilizer
Foster accelerator is together applied.
Further, the material containing selenium is in seleno-amino acids, selenate, selenite, selenoprotein and selenium yeast
It is one or more kinds of.
Further, mud of the selenium-rich nutritive accelerator first with 10-20 times of weight before root is mixed mixes.
Further, the preparation method of the maize germ extract is：Maize germ is crushed, adds 6-8 times of weight
Volumetric concentration be 90-95% methanol solutions in grind 20-30min, high speed refrigerated centrifuge 15-20min, take supernatant, spray
Powder is dried to, produces the maize germ extract.
Further, the preparation method of the brown alga extract is：Take fresh brown alga to grind, add 10-20 times of weight
20-24h is soaked in water, ultrasonic grind extracts 1-2min under ice bath, and extracts 24-30h at 2-5 DEG C, centrifuges, takes supernatant
Liquid, powder is spray dried to, produces the brown alga extract.
Further, the preparation method of the wedelia chinensis extract is：Fresh wedelia chinensis is taken to grind, adding volume fraction is
Refluxing extraction 1-3h in 85-90% ethanol, extraction 2-3 times is repeated, merge extract solution, and it is 65-70% to add volume fraction
Ethanol in mix, stand to precipitating, centrifuge, filtering, take precipitation to dry, crush, produce the wedelia chinensis extract.
Further, the preparation method of the Sage extract is：Take Salvia japonica to grind, add 10-20 volumes times
1-2h is boiled in decocting, is repeated to decoct 3-4 time, is merged decoction liquor, filters, collection filtrate, concentrates the filtrate to the 1/3 of original volume, then
It is to extract 20-24h in 80-90% ethanol to add volume fraction, is centrifuged, and takes precipitation to dry, crush, and produces the Salvia japonica extraction
Thing.
The present invention has the advantages that：
(1) present invention improves enrichment of the During Grain-filling rice to selenium by preventing the aging of late growth stage of rice root
And absorption, reduce the amount of application of selenium fertilizer, the rice Se content for producing to obtain is 2.90-3.46mg/kg, 8- high compared with general rice
10 times, and Organic Selenium accounting is up to 90-95% in rice, overcome and spray inorganic selenium and cause the inorganic Se content of rice is high to ask
Topic, reach the standard of safe selenium-rich rice.
(2) the selenium-rich nutritive accelerator in the present invention is for material containing selenium, ferrous sulfate, maize germ extract, brown alga
The release-controlled coated particle that extract, wedelia chinensis extract and Sage extract are mixed, wherein, material containing selenium can be rice
Sufficient selenium is provided；Ferrous sulfate can promote iron-oxidizing bacterium to grow, and be advantageous to root system and form iron film；Maize germ extract and
Containing plant hormones such as gibberellin and methyl α-naphthyl acetates in brown alga extract, the cell division of tip of a root growing point and height can be promoted, prevented
Aging and the degeneration of rhizosphere iron film occur for Later growth rice root, improve the Forming ability of root system ferroelectric oxide film, Jin Erti
High enrichment and absorption of the root to selenium, because root strengthens the accumulation ability of selenium, selenium outflows with water few when water is changed in rice field, subtracts
Selenium fertilizer amount of application is lacked；Wedelia chinensis extract and Sage extract can suppress the growth of weeds young root and young shoot in rice field, subtract
Few absorption to selenium fertilizer.Therefore material containing selenium, ferrous sulfate, maize germ extract, brown alga extraction in selenium-rich nutritive accelerator
Thing, wedelia chinensis extract and Sage extract mating reaction, further increase absorption and enrichment of the rice root to selenium.
(3) use of selenium-rich nutritive accelerator can reduce the dosage of selenium fertilizer, can meet selenium-rich requirement using a small amount of selenium,
Reduce environmental pollution, it is safe and environment-friendly.
【Embodiment】
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary), unless specifically stated otherwise, each
Feature is an example in a series of equivalent or similar characteristics.
Rice Cropping, water and fertilizer management, harvesting paddy, grain dehydration and shelling are conventional method in following examples, tool
Body is no longer repeated.
Embodiment 1：
A kind of production method of selenium-rich rice of the present embodiment, including Rice Cropping, water and fertilizer management, harvesting paddy, grain take off
Water and shelling, described production method also include plantation during to rice application selenium-rich nutritive accelerator the step of；The selenium-rich
The preparation method of Nutrition improver premix is：By 3 parts of selenate, 1 part of ferrous sulfate, 5 parts of maize germ extract, brown alga extract 3
4 parts of part, 2 parts of wedelia chinensis extract and Sage extract are together put into granulator and particle are made, and are atomized to spraying particles
Coating resin, then particle is added in diatomite and rolled, particle surface is formed one layer of integument, finally obtained particle diameter is
10mm release-controlled coated particle, as described selenium-rich nutritive accelerator；The application process of the selenium-rich nutritive accelerator is：A. insert
To rice shoot mix root with selenium-rich nutritive accelerator before seedling to handle, and mix selenium-rich nutritive accelerator and 10 times of weight before root first
Mud mixes, and mixes root knot Shu Houzai and transplants to big Tanaka；B. applied fertilizer when milk stage, dough stage and full ripe stage apply fertilizer every time
The 1% selenium-rich nutritive accelerator is added in material together to apply.
The preparation method of the present embodiment maize germ extract is：Maize germ is crushed, the volume for adding 6 times of weight is dense
Spend to grind 20min in 90% methanol solution, high speed refrigerated centrifuge 15min, take supernatant, be spray dried to powder, produce institute
State maize germ extract.
The preparation method of the present embodiment brown alga extract is：Take fresh brown alga to grind, add in the water of 10 times of weight and soak
20h, ultrasonic grind extraction 1min under ice bath, and 24h is extracted at 2 DEG C, centrifuge, take supernatant, be spray dried to powder, i.e.,
Obtain the brown alga extract.
The preparation method of the present embodiment wedelia chinensis extract is：Fresh wedelia chinensis is taken to grind, it is 85% to add volume fraction
Ethanol in refluxing extraction 1h, repeat extraction 2 times, merge extract solution, and add volume fraction be 65% ethanol in mix, it is quiet
Put to precipitating, centrifuge, filtering, take precipitation to dry, crush, produce the wedelia chinensis extract.
The preparation method of the present embodiment Sage extract is：Salvia japonica is taken to grind, 1h is boiled in the decocting for adding 10 volumes times,
Repeat to decoct 3 times, merge decoction liquor, filter, collect filtrate, concentrate the filtrate to the 1/3 of original volume, adding volume fraction is
20h is extracted in 80% ethanol, is centrifuged, takes precipitation to dry, crush, produces the Sage extract.
Embodiment 2：
A kind of production method of selenium-rich rice of the present embodiment, including Rice Cropping, water and fertilizer management, harvesting paddy, grain take off
Water and shelling, described production method also include plantation during to rice application selenium-rich nutritive accelerator the step of；The selenium-rich
The preparation method of Nutrition improver premix is：By 2 parts of seleno-amino acids, 1 part of selenite, 3 parts of selenoprotein, 3 parts of ferrous sulfate, corn
8 parts of 7 parts of germ extracts, 8 parts of brown alga extract, 7 parts of wedelia chinensis extract and Sage extract are together put into granulator
Particle is made, and to the coating resin that spraying particles are atomized, then particle is added in diatomite and rolled, particle surface is formed one
Layer integument, the release-controlled coated particle that final obtained particle diameter is 20mm, as described selenium-rich nutritive accelerator；The selenium-rich nutritive
The application process of accelerator is：A. to rice shoot mix root before rice transplanting with selenium-rich nutritive accelerator to handle, and mix before root first by richness
Selemium nutrition accelerator and the mud of 20 times of weight mix, and mix root knot Shu Houzai and transplant to big Tanaka；B. milk stage, dough stage and complete
The 3% selenium-rich nutritive accelerator of addition is together applied in the material that applies fertilizer when the ripe phase applies fertilizer every time.
The preparation method of the present embodiment maize germ extract is：Maize germ is crushed, the volume for adding 8 times of weight is dense
Spend to grind 30min in 95% methanol solution, high speed refrigerated centrifuge 20min, take supernatant, be spray dried to powder, produce institute
State maize germ extract.
The preparation method of the present embodiment brown alga extract is：Take fresh brown alga to grind, add in the water of 20 times of weight and soak
24h, ultrasonic grind extraction 2min under ice bath, and 30h is extracted at 5 DEG C, centrifuge, take supernatant, be spray dried to powder, i.e.,
Obtain the brown alga extract.
The preparation method of the present embodiment wedelia chinensis extract is：Fresh wedelia chinensis is taken to grind, it is 90% to add volume fraction
Ethanol in refluxing extraction 3h, repeat extraction 3 times, merge extract solution, and add volume fraction be 70% ethanol in mix, it is quiet
Put to precipitating, centrifuge, filtering, take precipitation to dry, crush, produce the wedelia chinensis extract.
The preparation method of the present embodiment Sage extract is：Salvia japonica is taken to grind, 2h is boiled in the decocting for adding 20 volumes times,
Repeat to decoct 4 times, merge decoction liquor, filter, collect filtrate, concentrate the filtrate to the 1/3 of original volume, adding volume fraction is
24h is extracted in 90% ethanol, is centrifuged, takes precipitation to dry, crush, produces the Sage extract.
Embodiment 3：
A kind of production method of selenium-rich rice of the present embodiment, including Rice Cropping, water and fertilizer management, harvesting paddy, grain take off
Water and shelling, described production method also include plantation during to rice application selenium-rich nutritive accelerator the step of；The selenium-rich
The preparation method of Nutrition improver premix is：By 1 part of seleno-amino acids, 1 part of selenate, 1 part of selenite, 1 part of selenoprotein, selenium yeast
1 part, 2 parts of ferrous sulfate, 6 parts of maize germ extract, 5 parts of brown alga extract, 6 parts of wedelia chinensis extract and Sage extract
5 parts are together put into granulator particle are made, and to the coating resin that spraying particles are atomized, then particle is added in diatomite and rolled
It is dynamic, particle surface is formed one layer of integument, the release-controlled coated particle that final obtained particle diameter is 15mm, as described selenium-rich nutritive
Accelerator；The application process of the selenium-rich nutritive accelerator is：A. rice shoot is carried out with selenium-rich nutritive accelerator before rice transplanting mixing root
Processing, and first mix the mud of selenium-rich nutritive accelerator and 15 times of weight before mixing root, mix root knot Shu Houzai and transplant to big Tanaka；
B. the 2% selenium-rich nutritive accelerator is added when milk stage, dough stage and full ripe stage apply fertilizer every time together in the material that applies fertilizer
Using.
The preparation method of the present embodiment maize germ extract is：Maize germ is crushed, the volume for adding 7 times of weight is dense
Spend to grind 25min in 93% methanol solution, high speed refrigerated centrifuge 18min, take supernatant, be spray dried to powder, produce institute
State maize germ extract.
The preparation method of the present embodiment brown alga extract is：Take fresh brown alga to grind, add in the water of 15 times of weight and soak
22h, ultrasonic grind extraction 1.5min under ice bath, and 28h is extracted at 3 DEG C, centrifuge, take supernatant, be spray dried to powder,
Produce the brown alga extract.
The preparation method of the present embodiment wedelia chinensis extract is：Fresh wedelia chinensis is taken to grind, it is 88% to add volume fraction
Ethanol in refluxing extraction 2h, repeat extraction 2 times, merge extract solution, and add volume fraction be 68% ethanol in mix, it is quiet
Put to precipitating, centrifuge, filtering, take precipitation to dry, crush, produce the wedelia chinensis extract.
The preparation method of the present embodiment Sage extract is：Salvia japonica is taken to grind, the decocting for adding 15 volumes times is boiled
1.5h, repeat to decoct 4 times, merge decoction liquor, filter, collect filtrate, concentrate the filtrate to the 1/3 of original volume, add volume
Fraction is to extract 23h in 85% ethanol, is centrifuged, and takes precipitation to dry, crush, produces the Sage extract.
Contrast test：
In order to illustrate the effect of the present invention, applicant has done comparative testing below, experiment be divided into the 1st group, the 2nd group, the 3rd
Group, control group 1, control group 2, control group 3, control group 4 totally 7 groups, the 1st group, the 2nd group, the 3rd group respectively using embodiment 1,
Embodiment 2, the method for embodiment 3 carry out production selenium-rich rice；Control group 1：Selenium-rich nutritive is replaced to promote with the commercially available selenium fertilizer of equivalent
Enter agent to be planted, other steps are same as Example 3；Control group 2：Sulfur acid is not sub- in the selenium-rich nutritive accelerator used
Iron, other steps are same as Example 3；Control group 3：Wedelia chinensis extract and mouse are free of in the selenium-rich nutritive accelerator used
Tail grass extract, other steps are same as Example 3；Control group 4：Maize germ is free of in the selenium-rich nutritive accelerator used
Extract and brown alga extract, other steps are same as Example 3.Other management condition all sames of each group, each group is harvested
Into cooked rice carry out Se content detection, testing result table 1：
The each group rice Se content testing result of table 1
It was found from the 1st group, the 2nd group, the 3rd group, using the method for the present invention, the rice Se content for producing to obtain is 2.90-
3.46mg/kg, Organic Selenium accounting is up to 90-95% in rice, overcomes and sprays inorganic selenium and cause the inorganic Se content of rice high
Problem, reach the standard of safe selenium-rich rice.It was found from the 3rd group of contrast with control group 1, selenium-rich nutritive accelerator of the present invention can
The aging of Later Stage of Rice root is prevented, improves absorption and enrichment of the rice root to selenium, using effect is better than traditional selenium fertilizer；From
The contrast of 3 groups and control group 2 understands that the ferrous sulfate in selenium-rich nutritive accelerator of the present invention can promote iron-oxidizing bacterium to grow,
Be advantageous to root system and form iron film, improve the absorbability of selenium；It was found from the 3rd group of contrast with control group 3, selenium-rich battalion of the present invention
The growth of weeds in rice field can be suppressed by supporting the wedelia chinensis extract in accelerator and Sage extract, reduce the suction to selenium fertilizer
Receive, and then reduce rice and absorb selenium with weed competition；It was found from the 3rd group of contrast with control group 4, selenium-rich nutritive of the present invention promotes
Maize germ extract and brown alga extract in agent can promote the cell division of tip of a root growing point and height, prevent Later growth water
Aging and the degeneration of rhizosphere iron film occur for rice root system, improve the Forming ability of root system ferroelectric oxide film, and then improve root to selenium
Enrichment and absorption.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore limitation of the scope of the invention can not be interpreted as.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.Therefore, protection scope of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of production method of selenium-rich rice, including Rice Cropping, water and fertilizer management, harvesting paddy, grain dehydration and shelling, its
It is characterised by：The step of described production method is also including during plantation to rice application selenium-rich nutritive accelerator；The selenium-rich
The preparation method of Nutrition improver premix is：Selenium material 3-6 parts, ferrous sulfate 1-3 parts, maize germ extract 5-7 parts, brown alga will be contained
Extract 3-8 parts, wedelia chinensis extract 2-7 parts and Sage extract 4-8 parts are mixed and made into the sustained release bag that particle diameter is 10-20mm
Membrane granule；The application process of the selenium-rich nutritive accelerator is：A. rice shoot is carried out with selenium-rich nutritive accelerator before rice transplanting mixing root
Processing, then transplant to big Tanaka；B. 1-3% is added when milk stage, dough stage and full ripe stage apply fertilizer every time in the material that applies fertilizer
The selenium-rich nutritive accelerator is together applied.
A kind of 2. production method of selenium-rich rice according to claim 1, it is characterised in that：The material containing selenium is seleno ammonia
It is more than one or both of base acid, selenate, selenite, selenoprotein and selenium yeast.
A kind of 3. production method of selenium-rich rice according to claim 1, it is characterised in that：The selenium-rich nutritive accelerator exists
First and 10-20 times of weight mud mixes before mixing root.
A kind of 4. production method of selenium-rich rice according to claim 1, it is characterised in that：The maize germ extract
Preparation method is：Maize germ is crushed, the volumetric concentration for adding 6-8 times of weight is to grind 20- in 90-95% methanol solutions
30min, high speed refrigerated centrifuge 15-20min, takes supernatant, is spray dried to powder, produces the maize germ extract.
A kind of 5. production method of selenium-rich rice according to claim 1, it is characterised in that：The preparation of the brown alga extract
Method is：Take fresh brown alga to grind, add in the water of 10-20 times of weight and soak 20-24h, ultrasonic grind extraction 1- under ice bath
2min, and 24-30h is extracted at 2-5 DEG C, centrifuge, take supernatant, be spray dried to powder, produce the brown alga extract.
A kind of 6. production method of selenium-rich rice according to claim 1, it is characterised in that：The system of the wedelia chinensis extract
Preparation Method is：Take fresh wedelia chinensis to grind, add refluxing extraction 1-3h in the ethanol that volume fraction is 85-90%, repeat to extract
2-3 times, merge extract solution, and add in the ethanol that volume fraction is 65-70% and mix, stand to precipitating, centrifuge, mistake
Filter, take precipitation to dry, crush, produce the wedelia chinensis extract.
A kind of 7. production method of selenium-rich rice according to claim 1, it is characterised in that：The system of the Sage extract
Preparation Method is：Salvia japonica is taken to grind, 1-2h is boiled in the decocting for adding 10-20 volumes times, is repeated to decoct 3-4 times, is merged decoction liquor, take out
Filter, filtrate is collected, concentrates the filtrate to the 1/3 of original volume, add volume fraction to extract 20-24h in 80-90% ethanol,
Centrifugation, take precipitation to dry, crush, produce the Sage extract.
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| CN113079919A (en) * | 2021-03-26 | 2021-07-09 | 四川农业大学 | Planting method for improving selenium content of wild peaches by using tartary buckwheat water extract |
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