CN105123166A - Method for reducing cadmium content of Ligusticum chuanxiong hort - Google Patents
Method for reducing cadmium content of Ligusticum chuanxiong hort Download PDFInfo
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- CN105123166A CN105123166A CN201510426831.XA CN201510426831A CN105123166A CN 105123166 A CN105123166 A CN 105123166A CN 201510426831 A CN201510426831 A CN 201510426831A CN 105123166 A CN105123166 A CN 105123166A
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Abstract
The invention discloses a culture method for reducing cadmium content of Ligusticum chuanxiong hort. The method comprises the following steps: a, processing soil: taking quick lime, monopotassium phosphate, and starch, mixing the quick lime, the monopotassium phosphate and the starch with surface soil, usage amount of the quick lime being 100 kg/mu, and usage amount of the monopotassium phosphate being 20 kg/mu, usage amount of the starch being 100 kg/mu; b, and taking Ligusticum chuanxiong hort ling seeds, and planting the seeds. The method can obviously reduce cadmium content of Ligusticum chuanxiong hort, and improve content of active ingredients of the Ligusticum chuanxiong hort. The method has good prospect.
Description
Technical field
The present invention relates to a kind of method reducing Ligusticum wallichii cadmium content.
Background technology
Ligusticum wallichii is the dry rhizome of samphire Ligusticum wallichii LigusticumchuanxiongHort..For chest impediment and cardialgia, the shouting pain of the chest side of body, tumbling and swelling, irregular menstruation, through closing dysmenorrhoea ， Disorder lump in the abdomen stomachache, headache, arthralgia due to wind-dampness.Modern pharmacodynamic study proves that Ligusticum wallichii mainly has affects female reproductive system, cardiovascular system, nervous system, respiratory system, digestive system, analgesia, anti-inflammatory, antipyretic, effect such as antitumor grade.Volatile oil is one of main active of Ligusticum wallichii, can coronary artery dilator, increases CF, also there is spasmolysis and refrigeration function, uterus, intestines and stomach and vascular smooth muscle contraction can be suppressed, reduce blood pressure, there is calmness, analgesia, spasmolysis, the effect such as anticonvulsion.Therefore, the volatile oil content improving Ligusticum wallichii when cultivating is significant.
In addition, along with people more and more pay close attention to food and pharmaceutical safety, test stone for food and medicine also becomes all the more harsh, and the bulk medicinal materials outlet of Ligusticum wallichii all the time as China's Chinese herbal medicine class is American-European, but because its heavy metal cadmium content exceeds standard since the nineties in 20th century, the drug safety that have impact on Ligusticum wallichii is kept outside of the door by multiple country, has also had a strong impact on its foreign exchange earning.Therefore, the cultivation method of research reduction Ligusticum wallichii cadmium content is very urgent.
The happiness of Ligusticum wallichii plant is had a moderate climate, rainfall is abundant, sunshine is sufficient and more moistening, the environment of the subtropics monsoon climate that day and night temperature is large.Deep at soil layer, loose fertile, draining is good, the content of organic matter is abundant, well-grown in neutrality or slightly acidic sand loam.Ligusticum wallichii is planted in the beginning of autumn of around in early August usually, gathers about the first tenday period of a month May next year, 280 ~ 290 days vegetative period.
Summary of the invention
In order to solve the high problem of existing Ligusticum wallichii cadmium content, the invention provides a kind of method reducing Ligusticum wallichii cadmium content.
The present invention reduces the cultivation method of Ligusticum wallichii cadmium content, comprises the following steps:
A, soil treatment: preparing quick lime, potassium dihydrogen phosphate and starch, mix with table soil, the usage amount of quicklime is 100kg/ mu, and the usage amount of potassium dihydrogen phosphate is 20kg/ mu, the usage amount 100kg/ mu of starch;
B, get Ligusticum wallichii Siberian cocklebur kind, cultivation.
Table soil, refer to the top of earth, thickness is 5 ~ 10cm.
Preferably, in step b, the step of described cultivation is as follows:
(1) Ligusticum wallichii Siberian cocklebur kind is got, sowing;
(2) fill the gaps with seedlings, intertill and clean tillage, fertilising;
(3) gather, dry.
Preferably, in step (1), the time of described sowing is early or mid September.
Preferably, in step (1), described Ligusticum wallichii Siberian cocklebur kind seeding quantity is every mu of 30 ~ 40kg.
In step (2), the mode of fertilising is:
Mid-September and mid-October, respectively use 1 urea, consumption is 15kg/ mu; Late October, to mid-November, uses 2 liquefied ammonia, and consumption is 15-20kg/ mu; Late November-late December, use 2 composite fertilizers and urea, composite fertilizer's consumption is 14-18kg/ mu, and amount of urea is 10kg/ mu.
After turning green in 2 ~ March of next year, then enrich 1 composite fertilizer and urea, composite fertilizer's consumption is 14-18kg/ mu, and amount of urea is 10kg/ mu.
Turn green, refer to plant seedling replanting or after surviving the winter, become green from yellow, and restoration ecosystem.
Preferably, in step b, the region of cultivation is Yongshou town, Meishan city, and its longitude is east longitude 03 ° 50 ' 51.46 ", latitude is north latitude 29 ° 55 ' 42.65 ".
The present invention combines the quicklime, potassium dihydrogen phosphate and the starch that add specified quantitative at seeding time, and significantly can reduce the cadmium content of Ligusticum wallichii, improve the content of the active component of Ligusticum wallichii, application prospect is good simultaneously.
The embodiment of form by the following examples, is described in further detail foregoing of the present invention.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment.All technology realized based on foregoing of the present invention all belong to scope of the present invention.
Embodiment
Embodiment 1 Ligusticum wallichii cultivation method of the present invention
1 material
Ligusticum wallichii Siberian cocklebur kind derives from small fish hole town, Pengzhou City, Sichuan Province.Quicklime is purchased from Emeishan City nine Li Xingmin pulverized limestone factory; Potassium dihydrogen phosphate (P
2o
5>=51.5%, K
2o>=34%, Israel's Chemical Group); Starch (the Jilin China Oil and Food Import and Export Corporation energy sells Co., Ltd).
Composite fertilizer (N-P
2o
5-K
2o:16-16-16, Sichuan Mei Feng and clay fertilizer research and development centre of the Chinese Academy of Agricultural Sciences joint research and development); Urea (total nitrogen>=46.4%, Sichuan Meifeng Chemical Co., Ltd.); Liquefied ammonia (total nitrogen>=32%, Sichuan Meifeng Chemical Co., Ltd.).
2. region
Yongshou town, Meishan city, north latitude 29 ° 55 ' 42.65 ", east longitude 03 ° 50 ' 51.46 ".
3 methods
3.1 experiment groupings
Be divided into 2 groups, each group of area under cultivation is plot area a: 10m
2, often group establish 3 times parallel.Before Ligusticum wallichii sowing, quicklime, potassium dihydrogen phosphate, starch and table soil (are shown soil, refer to the top of earth, thickness is 5 ~ 10cm) Homogeneous phase mixing, wherein the addition of quicklime is 100kg/ mu, the addition of potassium dihydrogen phosphate is 20kg/ mu, the addition of starch is 100kg/ mu, not add the soil of quicklime, potassium dihydrogen phosphate and starch for control group.
3.2 cultivation method
3.2.1 field seeding
3.2.1.1 carefully reject again before Siberian cocklebur (Siberian cocklebur i.e. Siberian cocklebur kind) process sowing and have upper Siberian cocklebur sprouted without bud or bud of worm channel, joint dish hollow and joint, then Siberian cocklebur is made seed soaking, plant with under 50% carbendazim and thiophanate methyl 500 times of immersion kind 5-10min.
3.2.1.2 early or mid September in sowing time.
3.2.1.3 before sowing, quicklime, potassium dihydrogen phosphate, starch mix with table soil by land treatment systems.
3.2.1.4 seeding row spacing 25cm × 30cm is pressed in type of seeding, is upwards buried by have gentle hands light press by Siberian cocklebur bud head, touches soil and is advisable, expose half and show at soil to save dish.After cultivation, with the joint dish of rice straw mulching Siberian cocklebur.Every mu with Siberian cocklebur 30 ~ 40kg.
3.2.2 field management
3.2.2.1 fill the gaps with seedlings for being short of seedling, bad seedling, can the cloudy day be selected, take Siberian cocklebur for subsequent use and fill the gaps with seedlings, balled transplanting, must water after benefit.The work of filling the gaps with seedlings must terminate before the Autumnal Equinox.
3.2.2.2 after intertill and clean tillage early September neat seedling, shallow hoe intertillage 1 time and will Ligusticum wallichii in the ranks mulching straw (shallow hoe intertillage refers to the surface tillage adopting the instruments such as hand hoe to carry out between Ligusticum wallichii plant, have loosen the soil, weeding, the effect that heats, preserve soil moisture).In 1 month next year, the last ten-days period, when ground cauline leaf starts the withered and yellow time of falling seedling, withering cauline leaf in cleaning field, and earths up, and producing region claims " ulling up winter medicine ".
3.2.2.3 rich water quality management controls with growth
Mid-September and mid-October, respectively use 1 urea, consumption is 15kg/ mu; Late October, to mid-November, uses 2 liquefied ammonia, and consumption is 15-20kg/ mu; Late November-late December, use 2 composite fertilizers and urea, composite fertilizer's consumption is 14-18kg/ mu, and amount of urea is 10kg/ mu.
After turning green in 2 ~ March of next year, then enrich 1 composite fertilizer and urea, composite fertilizer's consumption is 14-18kg/ mu, and amount of urea is 10kg/ mu.
3.2.3 pick and process
3.2.3.1 late April of Second Year after cultivation of gathering gathers.Select fine day, dig out rhizome, shake off earth, removing cauline leaf.Slightly to dry in the air in field aqueous vapor, transport drying back.
3.2.3.2 Habitat producing is dried.Baking a heatable brick bed process strictly controls the temperature on a heatable brick bed bed, and medicinal material place temperature must not more than 70 DEG C.Turn over baking every day once, half-dried stem tuber is taken out, is placed in and hits the container made of bamboo, wicker, ratten, etc., the earth having hit dry and fibrous root.During continuous baking, fresh stem tuber is put in lower floor, and upper strata is put half-dried, and after upper strata has part absolutely dry, then point levels is respectively hit once, eliminates earth and fibrous root, selects absolutely dry, is commodity.Not dry continuation is dried, till absolutely dry.
3.3 detect
1 increment product are adopted in each community, and every increment product get 30 strains at random.Unification selects impurity elimination after gathering, section, dries, and pulverizes, and crosses 60 mesh sieves, makes medicinal powder, and trust academy of agricultural sciences of Sichuan Province has carried out heavy metal Cadmium detrmination.
1 increment product are adopted in each community, and every increment product get 30 strains at random.Unification selects impurity elimination after gathering, section, dries, and pulverizes, and crosses 60 mesh sieves, makes medicinal powder, carried out mensuration and the analysis of active component:
Volatile oil content testing extracts with reference to " Chinese Pharmacopoeia " 2010 editions one annex XD second method steam distillation and measures.
Data acquisition MicrosoftExce12013 and SPSS13 carries out adding up and Treatment Analysis.
4 testing results
Through detecting, result is as shown in the table:
Table 1 process experimental result (
n=3)
The results show, adopts the present invention to combine and adds 100kg/ mu quicklime, the potassium dihydrogen phosphate of 20kg/ mu and the mode of 100kg/ mu starch, significantly can reduce the cadmium content of Ligusticum wallichii, can significantly improve the content of Ligusticum wallichii active ingredient volatile oil simultaneously.
Applicant is in previous experiments, and alone 100kg/ mu quicklime (except only mix with 100kg/ mu quicklime and table soil in 3.2.1.3 joint, all the other cultivation conditions are with embodiment 1), can reduce the cadmium content of Ligusticum wallichii, reduction amplitude only 16%; The potassium dihydrogen phosphate (except only mixing with 20kg/ mu and table soil in 3.2.1.3 joint, all the other cultivation conditions are with embodiment 1) of alone 20kg/ mu, can cause the cadmium content of Ligusticum wallichii to raise; The starch (except only mixing with 100kg/ mu starch and table soil in 3.2.1.3 joint, all the other cultivation conditions are with embodiment 1) of alone 100kg/ mu, also can cause the cadmium content of Ligusticum wallichii to raise.
But, when the present invention combines the potassium dihydrogen phosphate and 100kg/ mu of using 100kg/ mu quicklime, 20kg/ mu, the cadmium content of Ligusticum wallichii reduces amplitude up to 34.2%, apparently higher than the reduction amplitude that 100kg/ mu quicklime is alone, illustrate the potassium dihydrogen phosphate of 100kg/ mu quicklime, 20kg/ mu and 100kg/ mu starch conbined usage, achieve unexpected technique effect for Ligusticum wallichii cultivation.
To sum up, the present invention combines the quicklime, potassium dihydrogen phosphate and the starch that add specified quantitative at seeding time, and significantly can reduce the cadmium content of Ligusticum wallichii, improve the content of the active component of Ligusticum wallichii, application prospect is good simultaneously.
Claims (6)
1. reduce a cultivation method for Ligusticum wallichii cadmium content, it is characterized in that: comprise the following steps:
A, soil treatment: preparing quick lime, potassium dihydrogen phosphate and starch, mix with table soil, the usage amount of quicklime is 100kg/ mu, and the usage amount of potassium dihydrogen phosphate is 20kg/ mu, the usage amount 100kg/ mu of starch;
B, get Ligusticum wallichii Siberian cocklebur kind, cultivation.
2. cultivation method according to claim 1, is characterized in that: in step b, and the step of described cultivation is as follows:
(1) Ligusticum wallichii Siberian cocklebur kind is got, sowing;
(2) fill the gaps with seedlings, intertill and clean tillage, fertilising;
(3) gather, dry.
3. cultivation method according to claim 2, is characterized in that: in step (1), and the time of described sowing is early or mid September.
4. cultivation method according to claim 2, is characterized in that: in step (1), and described Ligusticum wallichii Siberian cocklebur kind seeding quantity is every mu of 30 ~ 40kg.
5. cultivation method according to claim 2, is characterized in that: in step (2), the mode of fertilising is:
Mid-September and mid-October, respectively use 1 urea, consumption is 15kg/ mu; Late October, to mid-November, uses 2 liquefied ammonia, and consumption is 15-20kg/ mu; Late November-late December, use 2 composite fertilizers and urea, composite fertilizer's consumption is 14-18kg/ mu, and amount of urea is 10kg/ mu.
After turning green in 2 ~ March of next year, then enrich 1 composite fertilizer and urea, composite fertilizer's consumption is 14-18kg/ mu, and amount of urea is 10kg/ mu.
6. cultivation method according to claim 1, is characterized in that: in step b, and the region of cultivation is Yongshou town, Meishan city, and its longitude is east longitude 03 ° 50 ' 51.46 ", latitude is north latitude 29 ° 55 ' 42.65 ".
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438659A (en) * | 2008-12-26 | 2009-05-27 | 成都鼎润生物科技有限公司 | Good-quality high-yield culture technique of Ligusticum wallichii |
| CN101485259A (en) * | 2009-03-04 | 2009-07-22 | 四川省农业科学院经济作物育种栽培研究所 | Disease-controlling and seedling-promoting non-pollution processing method for sprout of Ligusticum wallichii |
| CN102934581A (en) * | 2012-11-22 | 2013-02-20 | 中国科学院亚热带农业生态研究所 | Planting method of flax in heavy-metal contaminated soil |
| CN103250485A (en) * | 2013-06-05 | 2013-08-21 | 湖南农业大学 | Method for comprehensively controlling cadmium pollution of rice by utilizing modifier and agricultural technology |
| CN103314693A (en) * | 2013-06-18 | 2013-09-25 | 中国计量学院 | Application of monopotassium phosphate to reduce rice cadmium accumulation |
| CN103503653A (en) * | 2012-06-25 | 2014-01-15 | 重庆市彭水县彭双科技有限公司 | Cultivation method of rhizoma chuanxiong |
| CN103703954A (en) * | 2012-10-05 | 2014-04-09 | 孙鑫 | Novel ligusticum-wallichii high-yield cultivation technique |
-
2015
- 2015-07-20 CN CN201510426831.XA patent/CN105123166A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438659A (en) * | 2008-12-26 | 2009-05-27 | 成都鼎润生物科技有限公司 | Good-quality high-yield culture technique of Ligusticum wallichii |
| CN101485259A (en) * | 2009-03-04 | 2009-07-22 | 四川省农业科学院经济作物育种栽培研究所 | Disease-controlling and seedling-promoting non-pollution processing method for sprout of Ligusticum wallichii |
| CN103503653A (en) * | 2012-06-25 | 2014-01-15 | 重庆市彭水县彭双科技有限公司 | Cultivation method of rhizoma chuanxiong |
| CN103703954A (en) * | 2012-10-05 | 2014-04-09 | 孙鑫 | Novel ligusticum-wallichii high-yield cultivation technique |
| CN102934581A (en) * | 2012-11-22 | 2013-02-20 | 中国科学院亚热带农业生态研究所 | Planting method of flax in heavy-metal contaminated soil |
| CN103250485A (en) * | 2013-06-05 | 2013-08-21 | 湖南农业大学 | Method for comprehensively controlling cadmium pollution of rice by utilizing modifier and agricultural technology |
| CN103314693A (en) * | 2013-06-18 | 2013-09-25 | 中国计量学院 | Application of monopotassium phosphate to reduce rice cadmium accumulation |
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