The volatile oil in flowers of \%Dendranthema morifolium \%(Ramat) Tzvel. cv. Gongju was extracted with steam distillation, the constituents and contents of volatile oil were analyzed by means of GC\|MS\|DS techniques...The volatile oil in flowers of \%Dendranthema morifolium \%(Ramat) Tzvel. cv. Gongju was extracted with steam distillation, the constituents and contents of volatile oil were analyzed by means of GC\|MS\|DS techniques. The result shows that the principle constituents of the volatile oil are bicyclohept\|2\|en\|4\|ol, 2,6,6\|trimethyl\|, acetate (39.64%); benzene,1\|(1,5\|dimethyl\|4\|hexenyl)\|4\|methyl\|,2\|heptene (5.24%); n\|hexadecanoic acid (4.77%); cis\|lanceol (4.73%); acetic acid, 1,7,7\|trimethyl\|bicyclohept\|2\|yl\|ester(3.95%); (-)spathulenol (3.38%); 2,4,6\|trimethyl\|3\|cyclohexene\|1\|carboxaldehyde(3.22%);caryophyllene oxide (2.88%); 1,2,3,4,5,6,7,8\|octahydro\|1,4\|dimethyl\|7\|(1\|methylethenyl)\|,azulene (2.80%); 3\|(1,5\|dimethyl\|4\|hexenyl)\|6\|methylene,cyclohexaene(2.50%); decahydro\|1,4a\|dimethyl\|7\|(1\|methylidene)\|,1\|naphthalenol(2.39%); 1,1,2\|trimethyl\|3,5\|bis(1\|methylethenyl)\|,cyclohexane(2.23%), etc.展开更多
Authentication is a key component of quality control,and the quality of Chinese medicinal materials directly impacts clinical efficacy.Chinese medicinal quality control is an important concern of the wider community,a...Authentication is a key component of quality control,and the quality of Chinese medicinal materials directly impacts clinical efficacy.Chinese medicinal quality control is an important concern of the wider community,and it is intricately connected to the future and development of Chinese medicine.Macroscopic identification has been used for thousands of years in Chinese medicine,and it continues to be effective for resolving important issues related to quality control in the modern-day.However,new challenges have emerged for macroscopic identification.For example,new botanical varieties have emerged,with differences in macroscopic features related to cultivated vs.wild materials.Changes in processing methods and cultivation techniques also affect these features.Consequently,continual progress and innovation in Chinese medicinal authentication methods are needed.Macroscopic identification is based on organoleptic assessment,microscopy,and research of ancient texts,such as the Bencao.In addition to collecting information from traditional experience-based differentiation,innovation can take advantage of new technologies that can provide even more detailed,precise information about morphology.In the present review,we summarized inheritance and innovation in the scientific exposition of Chinese medicinal authentication,featuring a review of specialized publications,description of the establishment of a Chinese medicine specimen center and Chinese Medicine digital project,the expansion of authentication technologies,and the formation of a cultural project dedicated to the Compendium of Materia Medica.展开更多
文摘The volatile oil in flowers of \%Dendranthema morifolium \%(Ramat) Tzvel. cv. Gongju was extracted with steam distillation, the constituents and contents of volatile oil were analyzed by means of GC\|MS\|DS techniques. The result shows that the principle constituents of the volatile oil are bicyclohept\|2\|en\|4\|ol, 2,6,6\|trimethyl\|, acetate (39.64%); benzene,1\|(1,5\|dimethyl\|4\|hexenyl)\|4\|methyl\|,2\|heptene (5.24%); n\|hexadecanoic acid (4.77%); cis\|lanceol (4.73%); acetic acid, 1,7,7\|trimethyl\|bicyclohept\|2\|yl\|ester(3.95%); (-)spathulenol (3.38%); 2,4,6\|trimethyl\|3\|cyclohexene\|1\|carboxaldehyde(3.22%);caryophyllene oxide (2.88%); 1,2,3,4,5,6,7,8\|octahydro\|1,4\|dimethyl\|7\|(1\|methylethenyl)\|,azulene (2.80%); 3\|(1,5\|dimethyl\|4\|hexenyl)\|6\|methylene,cyclohexaene(2.50%); decahydro\|1,4a\|dimethyl\|7\|(1\|methylidene)\|,1\|naphthalenol(2.39%); 1,1,2\|trimethyl\|3,5\|bis(1\|methylethenyl)\|,cyclohexane(2.23%), etc.
基金Research Grants Council(Grant No.12103919)of Hong Kong。
文摘Authentication is a key component of quality control,and the quality of Chinese medicinal materials directly impacts clinical efficacy.Chinese medicinal quality control is an important concern of the wider community,and it is intricately connected to the future and development of Chinese medicine.Macroscopic identification has been used for thousands of years in Chinese medicine,and it continues to be effective for resolving important issues related to quality control in the modern-day.However,new challenges have emerged for macroscopic identification.For example,new botanical varieties have emerged,with differences in macroscopic features related to cultivated vs.wild materials.Changes in processing methods and cultivation techniques also affect these features.Consequently,continual progress and innovation in Chinese medicinal authentication methods are needed.Macroscopic identification is based on organoleptic assessment,microscopy,and research of ancient texts,such as the Bencao.In addition to collecting information from traditional experience-based differentiation,innovation can take advantage of new technologies that can provide even more detailed,precise information about morphology.In the present review,we summarized inheritance and innovation in the scientific exposition of Chinese medicinal authentication,featuring a review of specialized publications,description of the establishment of a Chinese medicine specimen center and Chinese Medicine digital project,the expansion of authentication technologies,and the formation of a cultural project dedicated to the Compendium of Materia Medica.