Aim To investigate the chemical constituents of Salvia cavaleriei Levi. var. erythrophylla （Hemsl.） Stib. Methods Compounds were isolated by silica gel column chromatography and Sephadex LH-20 gel column chromatogra...Aim To investigate the chemical constituents of Salvia cavaleriei Levi. var. erythrophylla （Hemsl.） Stib. Methods Compounds were isolated by silica gel column chromatography and Sephadex LH-20 gel column chromatography, and the structures were identified by spectral analysis. Result Five compounds were identified as 3β, 6β, 23-trihydroxyolean-12-en-28-oic acid （1）, ursolic acid （2）, n-heptadecanoic acid （3）, n-octadecanoic acid （4）, and β-sitosterol （5）. Conclusion Five compounds were isolated from the plant for the first time.展开更多
Two eremophilane-type sesquiterpenoids from the rhizomes of Ligularia veitchiana（Hemsl.） Greenm were isolated and determined as 10α,11-endoperoxide-1（2）-en-7α-hydroeremophilane（1） and 1（10）-en-2-oxo-7α-isop...Two eremophilane-type sesquiterpenoids from the rhizomes of Ligularia veitchiana（Hemsl.） Greenm were isolated and determined as 10α,11-endoperoxide-1（2）-en-7α-hydroeremophilane（1） and 1（10）-en-2-oxo-7α-isopropanol-eremophilane（2）.Compound 1 was a new compound and compound 2 was a new natural product.The structures of the two compounds were established by means of spectral methods including 1^H NMR,13^C NMR,2D NMR and MS.展开更多
In order to expand the production of Stevia rebaudiana( Bertoni) Hemsl.,the main points of high-yield cultivation techniques of a two-year-old stevia cultivar Shoutian No. 3 in Gannan area of Jiangxi Province were sum...In order to expand the production of Stevia rebaudiana( Bertoni) Hemsl.,the main points of high-yield cultivation techniques of a two-year-old stevia cultivar Shoutian No. 3 in Gannan area of Jiangxi Province were summarized: cutting and transplanting in early spring; fine management,applying more basic and additional fertilizers and retaining stubbles two times in summer,retaining roots for seeding in late autumn,and mulching membrane for safe overwintering in winter. This study will provide practical guidance for the planting of S. rebaudiana in Ganzhou,Jiangxi Province.展开更多
Gentiana rhodantha Franch.ex Hemsl.(G.rhodantha)is a perennial herb distributed in southwest China,belonging to the Gentiana genus of Gentianaceae family.Previous research indicated that G.rhodantha contains flavonoid...Gentiana rhodantha Franch.ex Hemsl.(G.rhodantha)is a perennial herb distributed in southwest China,belonging to the Gentiana genus of Gentianaceae family.Previous research indicated that G.rhodantha contains flavonoids,anthraquinones,terpenes and other compounds,which possess the effects of antioxidant,antibacterial,and antitumor.Besides,its dry herb is used as antiphlogistic and antitussive remedy for the treatment of lung,liver,and gallbladder diseases.This review outlines the chemical constituents and biological activities of G.rhodantha,which will be useful for the further research on this plant.展开更多
Lysimachia capillipes(L.capillipes)Hemsl,belong to primulaceae pearl vegetables genus,is a treasure in traditional Chinese medicine.It has the effects of invigorating qi and tonifying deficiency,dispelling wind and ac...Lysimachia capillipes(L.capillipes)Hemsl,belong to primulaceae pearl vegetables genus,is a treasure in traditional Chinese medicine.It has the effects of invigorating qi and tonifying deficiency,dispelling wind and activating blood,awakening the brain,relieving cough and regulating menstruation.With the development of modern medicine,the active components and therapeutic mechanisms of L.capillipes Hemsl have been gradually revealed.The present report systematically reviews the chemical composition and biological activities of L.capillipes Hemsl,to provide scientific basis and reference for detailed research on L.capillipes Hemsl.展开更多
A 500-bp cDNA fragment was amplified via RT-PCR from drought-induced total RNA of the drought-tolerant B. crassifolia Hemsl. using primers based on the sequence of published dehydrin conserved region. By using 5’ RAC...A 500-bp cDNA fragment was amplified via RT-PCR from drought-induced total RNA of the drought-tolerant B. crassifolia Hemsl. using primers based on the sequence of published dehydrin conserved region. By using 5’ RACE, full-length coding region (1 148 bp) of BDN1 gene was produced. It is a new member of the dehydrin gene family. Southern analysis indicated that BDN1 is present in the 6. crassifolia genome as a single-copy gene. Northern analysis revealed that its expression is inducible by drought and cold stresses as well as ABA application.展开更多
An oligosaccharide homologue named SnS-2 was isolated from the root of Scrophularia ningpoensis Hemsl. SnS-2 was purified by means of gel-permeation chromatography and ion-exchange chromatography. Its physico-chemical...An oligosaccharide homologue named SnS-2 was isolated from the root of Scrophularia ningpoensis Hemsl. SnS-2 was purified by means of gel-permeation chromatography and ion-exchange chromatography. Its physico-chemical properties, including carbohydrate content and molecular weight were determined. The structure of SnS-2 was elucidated by chemical methods along with 1H and 13C NMR spectroscopy, including two-dimensional DQCOSY and H-detected 1H, 13C HMQC experiments. These results show that SnS-2 possesses a backbone con-sisting of terminal a-Galp-(1, a-Galp-(16), a-Glcp-(16) and nonreducing end -Fruf-(2. The bioactive as-say showed that it could inhibit the growth of Lewis pulmonary carcinoma implanted in mice.展开更多
A new compound named 1-hydrate, 3-deoxy-α-D-tagatofuranose was isolated from Swertia punicea Hemsl. The structure of compound was determined by 1D and 2D NMR, HRESIMS techniques.
文摘Aim To investigate the chemical constituents of Salvia cavaleriei Levi. var. erythrophylla （Hemsl.） Stib. Methods Compounds were isolated by silica gel column chromatography and Sephadex LH-20 gel column chromatography, and the structures were identified by spectral analysis. Result Five compounds were identified as 3β, 6β, 23-trihydroxyolean-12-en-28-oic acid （1）, ursolic acid （2）, n-heptadecanoic acid （3）, n-octadecanoic acid （4）, and β-sitosterol （5）. Conclusion Five compounds were isolated from the plant for the first time.
文摘Two eremophilane-type sesquiterpenoids from the rhizomes of Ligularia veitchiana（Hemsl.） Greenm were isolated and determined as 10α,11-endoperoxide-1（2）-en-7α-hydroeremophilane（1） and 1（10）-en-2-oxo-7α-isopropanol-eremophilane（2）.Compound 1 was a new compound and compound 2 was a new natural product.The structures of the two compounds were established by means of spectral methods including 1^H NMR,13^C NMR,2D NMR and MS.
基金Supported by Science and Technology Project of Education Department of Jiangxi Province(GJJ161243)"11531" Project of Nanchang Normal University
文摘In order to expand the production of Stevia rebaudiana( Bertoni) Hemsl.,the main points of high-yield cultivation techniques of a two-year-old stevia cultivar Shoutian No. 3 in Gannan area of Jiangxi Province were summarized: cutting and transplanting in early spring; fine management,applying more basic and additional fertilizers and retaining stubbles two times in summer,retaining roots for seeding in late autumn,and mulching membrane for safe overwintering in winter. This study will provide practical guidance for the planting of S. rebaudiana in Ganzhou,Jiangxi Province.
文摘Gentiana rhodantha Franch.ex Hemsl.(G.rhodantha)is a perennial herb distributed in southwest China,belonging to the Gentiana genus of Gentianaceae family.Previous research indicated that G.rhodantha contains flavonoids,anthraquinones,terpenes and other compounds,which possess the effects of antioxidant,antibacterial,and antitumor.Besides,its dry herb is used as antiphlogistic and antitussive remedy for the treatment of lung,liver,and gallbladder diseases.This review outlines the chemical constituents and biological activities of G.rhodantha,which will be useful for the further research on this plant.
基金supported by National Nature Science Foundation of China(81973284)Scientific Research Foundation of the Education Department of Liaoning Province(LJKZ0944).
文摘Lysimachia capillipes(L.capillipes)Hemsl,belong to primulaceae pearl vegetables genus,is a treasure in traditional Chinese medicine.It has the effects of invigorating qi and tonifying deficiency,dispelling wind and activating blood,awakening the brain,relieving cough and regulating menstruation.With the development of modern medicine,the active components and therapeutic mechanisms of L.capillipes Hemsl have been gradually revealed.The present report systematically reviews the chemical composition and biological activities of L.capillipes Hemsl,to provide scientific basis and reference for detailed research on L.capillipes Hemsl.
文摘A 500-bp cDNA fragment was amplified via RT-PCR from drought-induced total RNA of the drought-tolerant B. crassifolia Hemsl. using primers based on the sequence of published dehydrin conserved region. By using 5’ RACE, full-length coding region (1 148 bp) of BDN1 gene was produced. It is a new member of the dehydrin gene family. Southern analysis indicated that BDN1 is present in the 6. crassifolia genome as a single-copy gene. Northern analysis revealed that its expression is inducible by drought and cold stresses as well as ABA application.
文摘An oligosaccharide homologue named SnS-2 was isolated from the root of Scrophularia ningpoensis Hemsl. SnS-2 was purified by means of gel-permeation chromatography and ion-exchange chromatography. Its physico-chemical properties, including carbohydrate content and molecular weight were determined. The structure of SnS-2 was elucidated by chemical methods along with 1H and 13C NMR spectroscopy, including two-dimensional DQCOSY and H-detected 1H, 13C HMQC experiments. These results show that SnS-2 possesses a backbone con-sisting of terminal a-Galp-(1, a-Galp-(16), a-Glcp-(16) and nonreducing end -Fruf-(2. The bioactive as-say showed that it could inhibit the growth of Lewis pulmonary carcinoma implanted in mice.
基金supported by the National Natural Science Foundation of China(No.30271590)
文摘A new compound named 1-hydrate, 3-deoxy-α-D-tagatofuranose was isolated from Swertia punicea Hemsl. The structure of compound was determined by 1D and 2D NMR, HRESIMS techniques.
