Polygoantum cyrtonema Hua is widely used as food and medicine.It is usually processed before being edible due to the irritability and numb feeling.huangjiu and honey are used to process Polygoantum cyrtonema Hua in th...Polygoantum cyrtonema Hua is widely used as food and medicine.It is usually processed before being edible due to the irritability and numb feeling.huangjiu and honey are used to process Polygoantum cyrtonema Hua in this study.The changes in appearance,function components and the comparison of specific ingredients of Poly-goantum cyrtonema Hua processed with huangjiu and honey were explored.The results showed that the Poly-goantum cyrtonema Hua became dark from bright yellow with the increase in processing time.The polysaccharide content was decreased from 7.42±0.11 g/100g to 3.12±0.19 g/100g(huangjiu-steaming processed,p<0.05)and 4.41±0.11 g/100g(honey-steaming processed,p<0.05),while the contents of saponins,phenolic and flavonoids were increased.Besides,the in vitro antioxidant activities of Polygoantum cyrtonema Hua showed a similar change trend with the change of phenolic and flavonoid contents.In the meantime,UPLC-Q-Exactive MS/MS was used to identify the non-volatile ingredients of raw Polygoantum cyrtonema Hua(S),huangjiu-steaming processed Polygoantum cyrtonema Hua(J16),and honey-steaming processed Polygoantum cyrtonema Hua(M20),identifying 138,74 and 53 substances,respectively.展开更多
[Objectives]To analyze the chemical components of Meconopsis integrifolia(Maxim.)Franch total flavonoids(MITF).[Methods]The chemical components of MITF were identified by UPLC-Q-Exactive Orbitrap MS.The column was per...[Objectives]To analyze the chemical components of Meconopsis integrifolia(Maxim.)Franch total flavonoids(MITF).[Methods]The chemical components of MITF were identified by UPLC-Q-Exactive Orbitrap MS.The column was performed using ACQUITY UPLC HSS T3(100 mm×2.1 mm,1.8μm)with 0.1%formic acid water(A)-acetonitrile(B)with gradient elution at 30℃,injection volume of 2μL,and flow rate of 0.3 mL/min.Electrospray ion source adopted positive and negative ion detection mode with scanning range m/z 100-1000.[Results]A total of 93 compounds were identified from MITF,including 57 flavonoids,25 phenolic acids,9 alkaloids and 2 others.Among them,dimethoxytaxifolin was identified as a possible new compound by SciFinder search,and 67 compounds were first identified in M.integrifolia.[Conclusions]This study provides a scientific foundation for clarifying the material basis of the efficacy of M.integrifolia and improving the quality standards.展开更多
基金the Research Project of State Key Laboratory of Food Science and Resources,Nanchang University(Project No.SKLF-ZZB-202316)Key Research and Development Program in Jiangxi(Grant 20223BBF61011).
文摘Polygoantum cyrtonema Hua is widely used as food and medicine.It is usually processed before being edible due to the irritability and numb feeling.huangjiu and honey are used to process Polygoantum cyrtonema Hua in this study.The changes in appearance,function components and the comparison of specific ingredients of Poly-goantum cyrtonema Hua processed with huangjiu and honey were explored.The results showed that the Poly-goantum cyrtonema Hua became dark from bright yellow with the increase in processing time.The polysaccharide content was decreased from 7.42±0.11 g/100g to 3.12±0.19 g/100g(huangjiu-steaming processed,p<0.05)and 4.41±0.11 g/100g(honey-steaming processed,p<0.05),while the contents of saponins,phenolic and flavonoids were increased.Besides,the in vitro antioxidant activities of Polygoantum cyrtonema Hua showed a similar change trend with the change of phenolic and flavonoid contents.In the meantime,UPLC-Q-Exactive MS/MS was used to identify the non-volatile ingredients of raw Polygoantum cyrtonema Hua(S),huangjiu-steaming processed Polygoantum cyrtonema Hua(J16),and honey-steaming processed Polygoantum cyrtonema Hua(M20),identifying 138,74 and 53 substances,respectively.
基金Supported by Natural Science Foundation of Sichuan Province(2023NS-FSC0610)the Special Fund of Natural Science for the Central Universities of Southwest Minzu University(ZYN2023071).
文摘[Objectives]To analyze the chemical components of Meconopsis integrifolia(Maxim.)Franch total flavonoids(MITF).[Methods]The chemical components of MITF were identified by UPLC-Q-Exactive Orbitrap MS.The column was performed using ACQUITY UPLC HSS T3(100 mm×2.1 mm,1.8μm)with 0.1%formic acid water(A)-acetonitrile(B)with gradient elution at 30℃,injection volume of 2μL,and flow rate of 0.3 mL/min.Electrospray ion source adopted positive and negative ion detection mode with scanning range m/z 100-1000.[Results]A total of 93 compounds were identified from MITF,including 57 flavonoids,25 phenolic acids,9 alkaloids and 2 others.Among them,dimethoxytaxifolin was identified as a possible new compound by SciFinder search,and 67 compounds were first identified in M.integrifolia.[Conclusions]This study provides a scientific foundation for clarifying the material basis of the efficacy of M.integrifolia and improving the quality standards.
