Method for improving quality of cultivated radix scrophulariae by moisture ecological regulation measures

Abstract

The application discloses a method for improving quality of cultivated Scutellaria baicalensis Georgi medicinal materials based on moisture ecological regulation measures and belongs to the field of ecological planting of traditional Chinese medicinal materials. The method solves the problems of degeneration of Scutellaria baicalensis Georgi germplasm and unstable quality in the prior art. The method comprises the following steps: after sowing of Scutellaria baicalensis Georgi, natural growth is carried out according to conventional daily management; the saturated water content of cultivated Scutellaria baicalensis Georgi soil is determined, the moisture environment of Scutellaria baicalensis Georgi is classified according to the soil water content, and the moisture environment is classified into normal moisture, slight drought, moderate drought and severe drought; in September and October of the next year, the moisture of the cultivated Scutellaria baicalensis Georgi soil is monitored, when the soil water content reaches the moderate drought level, the saturated water content of water is applied at one time, then the change of the soil water content of the cultivated Scutellaria baicalensis Georgi is monitored every day, and the Scutellaria baicalensis Georgi is dug when the soil water content of the Scutellaria baicalensis Georgi is at the slight and moderate drought level. The method can significantly improve the content of effective components in the Scutellaria baicalensis Georgi medicinal materials through the artificial moisture regulation mode.

Description

Technical Field

[0001] This invention belongs to the field of ecological cultivation of Chinese medicinal materials, specifically involving a method for improving the quality of cultivated Scutellaria baicalensis based on water ecological regulation measures. Background Technology

[0002] Scutellaria baicalensis is one of the most commonly used Chinese medicinal herbs, with its root used medicinally. The original plant is a perennial herb belonging to the genus Scutellaria in the family Lamiaceae. Scutellaria baicalensis Georgi.

[0003] Currently, wild Scutellaria baicalensis resources are dwindling, making cultivated Scutellaria baicalensis the main source of medicinal materials. However, cultivated Scutellaria baicalensis suffers from problems such as germplasm degradation and unstable quality. This instability in quality inevitably affects its efficacy, thus hindering the development of the Scutellaria baicalensis industry.

[0004] Scutellaria baicalensis is mainly distributed in Northeast, North, Northwest, and East my country, growing primarily in meadow grasslands, sandy grasslands, hilly slopes, and dry mountain slopes. Due to significant differences in local ecological environments, the quality of Scutellaria baicalensis varies considerably. According to relevant research reports, the content of baicalin, a standard component for quality control, varies greatly among different producing areas, significantly affecting the stability of the quality of Scutellaria baicalensis and its products.

[0005] Therefore, providing a method for cultivating Scutellaria baicalensis, and improving the quality of Scutellaria baicalensis medicinal materials by controlling the cultivation environment, has become an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0006] The purpose of this invention is to provide a method for improving the quality of cultivated Scutellaria baicalensis based on water ecological regulation measures, thereby solving the problems of germplasm degradation and unstable quality of Scutellaria baicalensis in the prior art.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0008] This invention provides a method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures, comprising the following steps:

[0009] Step 1. After sowing Scutellaria baicalensis, allow it to grow naturally according to regular daily management.

[0010] Step 2. Measure the saturated water content of the soil in which Scutellaria baicalensis is cultivated, and classify the water environment of Scutellaria baicalensis according to the soil water content into normal water, mild drought, moderate drought and severe drought.

[0011] Step 3. In September-October of the following year, monitor the soil moisture of Scutellaria baicalensis cultivation. When the soil moisture content reaches the level of moderate drought, apply water with saturated moisture content in one go. Then monitor the changes in soil moisture content of Scutellaria baicalensis cultivation every day. Harvest Scutellaria baicalensis when the soil moisture content is not lower than the level of moderate drought.

[0012] There is no specific time order between steps 1 and 2.

[0013] During its reproductive growth period, Scutellaria baicalensis often has low levels of active ingredients due to environmental factors and its own genetic characteristics, severely affecting the quality of the medicinal material. This invention creatively modulates the external environmental conditions through artificial moisture control to regulate the accumulation pattern of baicalin, promoting its accumulation and significantly increasing the content of active ingredients in Scutellaria baicalensis.

[0014] After extensive experimentation and creative work, the applicant discovered that before September, which is not the harvesting season for Scutellaria baicalensis, water regulation prevented the biomass of the plant from reaching its maximum, thus affecting the yield. However, from September to October, the biomass of Scutellaria baicalensis remained relatively stable, and water regulation at this time ensured a good yield. In September and October of the following year, the applicant monitored the soil moisture for Scutellaria baicalensis cultivation. At different soil moisture levels—normal, mild drought, moderate drought, and severe drought—a single application of saturated water was administered. The soil moisture content was then monitored daily. Scutellaria baicalensis was harvested when the soil moisture content reached a moderate drought level. The baicalin content was then measured. The results showed that a single application of saturated water at a moderate drought level significantly increased the baicalin content; the effect was not significant at other soil moisture levels.

[0015] The applicant monitored the soil moisture of the cultivated Scutellaria baicalensis from September to October of the following year. Saturated water was applied once at soil moisture levels of normal, mild drought, moderate drought, and severe drought. The soil moisture content was then monitored daily. When the soil moisture content reached a moderate drought level, saturated water was applied again once. After the second application, the soil moisture content was monitored daily. Scutellaria baicalensis was harvested when the soil moisture content reached a moderate drought level. The baicalin content was measured. The results showed that the baicalin content decreased after both applications of water compared to the single application.

[0016] In some embodiments of the present invention, Scutellaria baicalensis is sown in April each year.

[0017] In some embodiments of the present invention, the water environment of Scutellaria baicalensis is classified according to the soil moisture content. Normal moisture content refers to soil moisture content of 75-80% of saturated moisture content, mild drought refers to soil moisture content of 60-65% of saturated moisture content, moderate drought refers to soil moisture content of 45-50% of saturated moisture content, and severe drought refers to soil moisture content of less than 30% of saturated moisture content.

[0018] In some embodiments of the present invention, in step 3, after applying water with saturated moisture content once, the soil moisture content for cultivating Scutellaria baicalensis is monitored regularly every day.

[0019] In some embodiments of the present invention, Scutellaria baicalensis is harvested when the soil moisture content is mildly to moderately dry.

[0020] In some embodiments of the present invention, Scutellaria baicalensis is harvested when the soil moisture content is slightly dry.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] This invention is scientifically designed and ingeniously conceived. It creatively modulates the external environmental conditions of Scutellaria baicalensis during its reproductive growth period by artificially controlling water levels, thereby regulating the accumulation pattern of baicalin and promoting its development. This significantly increases the content of effective components in Scutellaria baicalensis. The method is simple and easy to operate, making it worthy of widespread application. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0024] A method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures includes the following steps:

[0025] Step 1. After sowing Scutellaria baicalensis in April each year, it is allowed to grow naturally according to regular daily management.

[0026] Step 2. Measure the saturated water content of the soil in which Scutellaria baicalensis is cultivated, and classify the water environment of Scutellaria baicalensis according to the soil water content into normal water, mild drought, moderate drought and severe drought.

[0027] Step 3. In September-October of the following year, monitor the soil moisture of Scutellaria baicalensis cultivation. When the soil moisture content reaches the level of moderate drought, apply water with saturated moisture content in one go. Then monitor the changes in soil moisture content of Scutellaria baicalensis cultivation every day. Harvest Scutellaria baicalensis when the soil moisture content is not lower than the level of moderate drought.

[0028] There is no specific time order between steps 1 and 2.

[0029] The soil moisture environment of Scutellaria baicalensis is classified according to soil moisture content. Normal moisture content refers to soil moisture content of 75-80% of saturated moisture content, mild drought refers to soil moisture content of 60-65% of saturated moisture content, moderate drought refers to soil moisture content of 45-50% of saturated moisture content, and severe drought refers to soil moisture content of less than 30% of saturated moisture content.

[0030] In step 3, after applying water with saturated moisture content once, the soil moisture content for cultivating Scutellaria baicalensis is monitored regularly every day.

[0031] Preferably, Scutellaria baicalensis is harvested when the soil moisture content is in a state of mild to moderate drought.

[0032] Preferably, Scutellaria baicalensis is harvested when the soil moisture content is slightly dry.

[0033] In this embodiment of the invention, a soil moisture meter is used to measure the soil moisture content.

[0034] Example 1

[0035] This embodiment discloses a method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures, specifically as follows:

[0036] Step 1: Scutellaria baicalensis is sown in April each year and grows naturally into the following year according to routine daily management.

[0037] Step 2: Determine the saturated water content of the soil in which Scutellaria baicalensis is cultivated. Based on the soil water content, classify the water environment of Scutellaria baicalensis into normal water content (75-80% of saturated water content), mild drought (60-65% of saturated water content), moderate drought (45-50% of saturated water content), and severe drought (below 30% of saturated water content).

[0038] Step 3: When Scutellaria baicalensis grows to September, soil moisture monitoring begins. When the soil moisture content reaches the level of moderate drought (45-50% saturated moisture content), apply water at saturated moisture content in one go. Then, observe the changes in soil moisture content at fixed times every day. Harvest Scutellaria baicalensis when the soil moisture content reaches normal moisture (75-80% saturated moisture content), mild drought stress level (60-65% saturated moisture content), moderate drought (45-50% saturated moisture content), and severe drought (below 30% saturated moisture content).

[0039] Step 4: After harvesting Scutellaria baicalensis, wash off the soil with water promptly, remove the fibrous roots, process while fresh, slice, dry, and package.

[0040] Example 2

[0041] This embodiment discloses a method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures, specifically as follows:

[0042] Step 1: Scutellaria baicalensis is sown in April each year and allowed to grow naturally into the following year under normal daily management. Step 2: First, determine the saturated water content of the soil in which Scutellaria baicalensis is cultivated. Based on the soil moisture content, classify the water environment of Scutellaria baicalensis into four categories: normal moisture (75-80% of saturated water content), mild drought (60-65% of saturated water content), moderate drought (45-50% of saturated water content), and severe drought (below 30% of saturated water content).

[0043] Step 3: When Scutellaria baicalensis grows to September, soil moisture monitoring begins. When the soil moisture content reaches the level of mild drought (60-65% saturated moisture content), apply water at saturated moisture content in one go. Then, observe the changes in soil moisture content at fixed times every day. Harvest Scutellaria baicalensis when the soil moisture content reaches normal moisture (75-80% saturated moisture content), mild drought stress level (60-65% saturated moisture content), moderate drought (45-50% saturated moisture content), and severe drought (below 30% saturated moisture content).

[0044] Step 4: After harvesting Scutellaria baicalensis, wash off the soil with water promptly, remove the fibrous roots, process while fresh, slice, dry, and package.

[0045] Example 3

[0046] This embodiment discloses a method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures, specifically as follows:

[0047] Step 1: Scutellaria baicalensis is sown in April each year and grows naturally into the following year according to routine daily management.

[0048] Step 2: First, measure the saturated water content of the soil in which Scutellaria baicalensis is cultivated. Based on the soil water content, classify the water environment of Scutellaria baicalensis into normal water (75-80% of saturated water content), mild drought (60-65% of saturated water content), moderate drought (45-50% of saturated water content), and severe drought (below 30% of saturated water content).

[0049] Step 3: When Scutellaria baicalensis grows to October, soil moisture monitoring begins. When the soil moisture content reaches the level of moderate drought (45-50% saturated moisture content), apply water at saturated moisture content in one go. Then, observe the changes in soil moisture content at fixed times every day. Harvest Scutellaria baicalensis when the soil moisture content reaches normal moisture (75-80% saturated moisture content), mild drought stress level (60-65% saturated moisture content), moderate drought (45-50% saturated moisture content), and severe drought (below 30% saturated moisture content).

[0050] Step 4: After harvesting Scutellaria baicalensis, wash off the soil with water promptly, remove the fibrous roots, process while fresh, slice, dry, and package.

[0051] Example 4

[0052] This embodiment discloses a method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures, specifically as follows:

[0053] Step 1: Scutellaria baicalensis is sown in April each year and grows naturally into the following year according to routine daily management.

[0054] Step 2: First, measure the saturated water content of the soil in which Scutellaria baicalensis is cultivated. Based on the soil water content, classify the water environment of Scutellaria baicalensis into normal water (75-80% of saturated water content), mild drought (60-65% of saturated water content), moderate drought (45-50% of saturated water content), and severe drought (below 30% of saturated water content).

[0055] Step 3: When Scutellaria baicalensis grows to October, soil moisture monitoring begins. When the soil moisture content reaches the level of mild drought (60-65% saturated moisture content), apply water at saturated moisture content in one go. Then, observe the changes in soil moisture content at fixed times every day. Harvest Scutellaria baicalensis when the soil moisture content reaches normal moisture (75-80% saturated moisture content), mild drought stress level (60-65% saturated moisture content), moderate drought (45-50% saturated moisture content), and severe drought (below 30% saturated moisture content).

[0056] Step 4: After harvesting Scutellaria baicalensis, wash off the soil with water promptly, remove the fibrous roots, process while fresh, slice, dry, and package.

[0057] Comparative Example 1

[0058] This comparative example involves Scutellaria baicalensis cultivated under routine daily management. Compared to Example 1, no water regulation was implemented when the Scutellaria baicalensis reached September, and no saturated water was applied all at once. The Scutellaria baicalensis in the comparative example were harvested when the soil moisture content reached normal (75-80% saturated moisture), mild drought stress (60-65% saturated moisture), moderate drought (45-50% saturated moisture), and severe drought (below 30% saturated moisture) in the treatment groups, respectively.

[0059] Experimental Example 1

[0060] The content of baicalin in Scutellaria baicalensis harvested in Example 1 and Comparative Example 1 was determined according to the method described in "Study on Microwave Extraction Technology of Baicalin from Scutellaria baicalensis" (Han Zhongming et al., Shizhen Guoyi Guoyao. 2011, 22(12)). The results are shown in the table below:

[0061] Table 1. Results of Baicalin Content Determination

[0062]

[0063] As shown in the table above, the method of improving the quality of cultivated Scutellaria baicalensis based on water ecological regulation measures of the present invention can significantly increase the content of baicalin when harvested during mild and moderate drought stages.

[0064] Finally, it should be noted that the above embodiments are merely preferred embodiments of the present invention used to illustrate the technical solutions of the present invention, and are not intended to limit the invention, nor are they intended to limit the patent scope of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention. That is to say, any changes or refinements made to the main design concept and spirit of the present invention that are not of substantial significance, but whose technical problems are still consistent with the present invention, should be included within the protection scope of the present invention. In addition, the direct or indirect application of the technical solutions of the present invention to other related technical fields are similarly included within the patent protection scope of the present invention.

Claims

1. A method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures, wherein the method increases the content of baicalin in Scutellaria baicalensis medicinal materials, characterized in that, Includes the following steps: Step 1. After sowing Scutellaria baicalensis, allow it to grow naturally according to regular daily management. Step 2. Determine the saturated water content of the soil in which Scutellaria baicalensis is cultivated. Based on the soil water content, classify the water environment of Scutellaria baicalensis into normal water content, mild drought, moderate drought, and severe drought. Among them, normal water content refers to soil water content of 75-80% of saturated water content, mild drought refers to soil water content of 60-65% of saturated water content, moderate drought refers to soil water content of 45-50% of saturated water content, and severe drought refers to soil water content of less than 30% of saturated water content. Step 3. In September-October of the following year, monitor the soil moisture of Scutellaria baicalensis cultivation. When the soil moisture content reaches the level of moderate drought, apply water with saturated moisture content in one go. Then monitor the changes in soil moisture content of Scutellaria baicalensis cultivation every day. Harvest Scutellaria baicalensis when the soil moisture content of Scutellaria baicalensis cultivation is at the level of mild to moderate drought. There is no specific time order between steps 1 and 2.

2. The method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures according to claim 1, characterized in that, Scutellaria baicalensis is sown in April each year.

3. The method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures according to claim 1, characterized in that, In step 3, after applying water with saturated moisture content once, the soil moisture content for cultivating Scutellaria baicalensis is monitored regularly every day.

4. The method for improving the quality of cultivated Scutellaria baicalensis medicinal materials based on water ecological regulation measures according to claim 1, characterized in that, Scutellaria baicalensis should be harvested when the soil moisture content is slightly dry.

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