<i><span style="font-family:Verdana;">Paeonia lactiflora</span></i><span style="font-family:""><span style="font-family:Verdana;"> Pall. var. <...<i><span style="font-family:Verdana;">Paeonia lactiflora</span></i><span style="font-family:""><span style="font-family:Verdana;"> Pall. var. </span><i><span style="font-family:Verdana;">trichocarpa </span></i><span style="font-family:Verdana;">is a variety of </span><i><span style="font-family:Verdana;">Paeonia lactiflora</span></i><span style="font-family:Verdana;"> Pall., and is currently the peony herb</span></span><span style="font-family:Verdana;">’</span><span style="font-family:""><span style="font-family:Verdana;">s principal cultivar group. Here, we study the differences in aromatic components and flowers of different varieties between two groups of cultivars, providing a reference for applying natural fragrance substances of peonies, breeding fragrant flower types, and developing and </span><span style="font-family:Verdana;">using improved varieties. Headspace solid-phase microextraction (HS-SPME),</span> <span style="font-family:Verdana;">gas chromatography-mass spectrometry (GC-MS), peak area normalization for</span><span style="font-family:Verdana;"> each component relative to content, component library (NIST14/NIST14S) retrieval, and a literature review were used to analyze the volatile compounds in flowers of eight peony varieties, such as </span></span><span style="font-family:Verdana;">“</span><span style="font-family:Verdana;">Gaoganhong</span><span style="font-family:Verdana;">”</span><span style="font-family:Verdana;">, and ten comospore peony varieties, such as </span><span style="font-family:Verdana;">“</span><span style="font-family:Verdana;">Jinshanhong</span><span style="font-family:Verdana;">”</span><span style="font-family:""><span style="font-family:Verdana;">. Results showed that the main volatile compound constituents in flowers of the two groups were terpenes and alcohols. Additionally, the content of eucalyptol, caryophyllene, α-Pinene, citronellol, and 3-Hexen-1-ol, acetate, (Z) was high. Peony cultivars contained linalool,</span><span style="font-family:Verdana;"> (1R)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene, and 1,4-dimethoxybenzene,</span><span style="font-family:Verdana;"> while comospore peony varieties contained 1,3,6-octatriene, 3,7-dimethyl-, (Z)-, phenylethyl alcohol, and geraniol. In this study, the differences between the volatile components of flowers of different peony varieties were clarified, laying a foundation for further molecular biology research into the floral fragrance of peonies and the cultivation of new varieties of aromatic peonies. At the same time, it also provides a theoretical basis for the development and application of peony flower by-products.展开更多
A new C_(6)-C_(2)dimer phenol derivative,colletodiphenol A(1),along with two known C_(6)-C_(2)phenol derivatives(2,3)were isolated from the endophytic fungus Colletotrichum capsici related to the traditional Chinese m...A new C_(6)-C_(2)dimer phenol derivative,colletodiphenol A(1),along with two known C_(6)-C_(2)phenol derivatives(2,3)were isolated from the endophytic fungus Colletotrichum capsici related to the traditional Chinese medicine Paeonia lactiflora.Their structures were elucidated based on extensive spectroscopic data analysis,including HRESIMS,UV,IR,1D and 2D NMR.The antioxidant and anti-inflammatory activities of the isolated compounds were evaluated,but none of them displayed significant activity.展开更多
文摘<i><span style="font-family:Verdana;">Paeonia lactiflora</span></i><span style="font-family:""><span style="font-family:Verdana;"> Pall. var. </span><i><span style="font-family:Verdana;">trichocarpa </span></i><span style="font-family:Verdana;">is a variety of </span><i><span style="font-family:Verdana;">Paeonia lactiflora</span></i><span style="font-family:Verdana;"> Pall., and is currently the peony herb</span></span><span style="font-family:Verdana;">’</span><span style="font-family:""><span style="font-family:Verdana;">s principal cultivar group. Here, we study the differences in aromatic components and flowers of different varieties between two groups of cultivars, providing a reference for applying natural fragrance substances of peonies, breeding fragrant flower types, and developing and </span><span style="font-family:Verdana;">using improved varieties. Headspace solid-phase microextraction (HS-SPME),</span> <span style="font-family:Verdana;">gas chromatography-mass spectrometry (GC-MS), peak area normalization for</span><span style="font-family:Verdana;"> each component relative to content, component library (NIST14/NIST14S) retrieval, and a literature review were used to analyze the volatile compounds in flowers of eight peony varieties, such as </span></span><span style="font-family:Verdana;">“</span><span style="font-family:Verdana;">Gaoganhong</span><span style="font-family:Verdana;">”</span><span style="font-family:Verdana;">, and ten comospore peony varieties, such as </span><span style="font-family:Verdana;">“</span><span style="font-family:Verdana;">Jinshanhong</span><span style="font-family:Verdana;">”</span><span style="font-family:""><span style="font-family:Verdana;">. Results showed that the main volatile compound constituents in flowers of the two groups were terpenes and alcohols. Additionally, the content of eucalyptol, caryophyllene, α-Pinene, citronellol, and 3-Hexen-1-ol, acetate, (Z) was high. Peony cultivars contained linalool,</span><span style="font-family:Verdana;"> (1R)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene, and 1,4-dimethoxybenzene,</span><span style="font-family:Verdana;"> while comospore peony varieties contained 1,3,6-octatriene, 3,7-dimethyl-, (Z)-, phenylethyl alcohol, and geraniol. In this study, the differences between the volatile components of flowers of different peony varieties were clarified, laying a foundation for further molecular biology research into the floral fragrance of peonies and the cultivation of new varieties of aromatic peonies. At the same time, it also provides a theoretical basis for the development and application of peony flower by-products.
基金This work was financially supported by the National Natural Science Foundation of China(NNSFC,Grant No.81803397 and 81773589)the Fundamental Research Funds for the Central Universities(Grant No.3332018088)+1 种基金the Science and Technology program of Qinghai(Grant No.2018-ZJ-739)the Innovation Platform for the Development and Construction of Special Project of Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province(Grant No.2020-ZJ-Y20).
文摘A new C_(6)-C_(2)dimer phenol derivative,colletodiphenol A(1),along with two known C_(6)-C_(2)phenol derivatives(2,3)were isolated from the endophytic fungus Colletotrichum capsici related to the traditional Chinese medicine Paeonia lactiflora.Their structures were elucidated based on extensive spectroscopic data analysis,including HRESIMS,UV,IR,1D and 2D NMR.The antioxidant and anti-inflammatory activities of the isolated compounds were evaluated,but none of them displayed significant activity.