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1.广州中医药大学 中药学院,广州 510006
2.广州中医药大学 第一附属医院,广州 510405
3.中国中医科学院 中药资源中心,北京 100700
张小凤,在读硕士,从事中药创新药物与指纹图谱研究,Tel:020-39358519,E-mail:15521076223@163.com
袁媛,研究员,从事中药鉴定与分子生药学研究,Tel:010-64087649,E-mail: y_yuan0732@163.com;
魏刚,研究员,博士生导师,从事中药创新药物与指纹图谱分析,石斛类药材规范化研究,Tel:020-39358519,E-mail:weigang021@163.com
收稿日期:2018-06-22,
网络出版日期:2018-09-28,
纸质出版日期:2019-01-05
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张小凤, 周春花, 张龙开, 等. 丹霞种、云南广南种铁皮石斛中主要黄酮苷的分离鉴定[J]. 中国实验方剂学杂志, 2019,25(1):29-34.
Xiao-feng ZHANG, Chun-hua ZHOU, Long-kai ZHANG, et al. Isolation and Identification of Main Flavonoid Glycosides of
张小凤, 周春花, 张龙开, 等. 丹霞种、云南广南种铁皮石斛中主要黄酮苷的分离鉴定[J]. 中国实验方剂学杂志, 2019,25(1):29-34. DOI: 10.13422/j.cnki.syfjx.20182417.
Xiao-feng ZHANG, Chun-hua ZHOU, Long-kai ZHANG, et al. Isolation and Identification of Main Flavonoid Glycosides of
目的:
2
对2个道地种源(丹霞种、云南广南种)铁皮石斛中的黄酮苷成分进行提取分离、纯化及结构鉴定,为确认铁皮石斛的共性黄酮苷成分提供实验依据。
方法:
2
①采用70%乙醇提取两个产地铁皮石斛叶的总黄酮成分,依次采用有机溶剂石油醚、乙酸乙酯、水饱和正丁醇萃取粗提物,运用大孔吸附树脂AB-8,LH-20型羟丙基葡聚糖凝胶(Sephadex LH-20)以及ODS柱色谱对水饱和正丁醇萃取部位进行分离纯化,通过化合物的理化性质结合HPLC
ESI-MS
n
,
1
H-NMR,
13
C-NMR等现代波谱学方法鉴定黄酮苷结构。②利用HPLC分析比较不同道地种源(丹霞种、云南广南种、广西铁皮兰种、浙江本地种)铁皮石斛的黄酮苷共有成分。
结果:
2
从2个产地铁皮石斛叶中共分离得到了5个黄酮苷化合物,经鉴定为芦丁,新西兰牡荆苷Ⅱ,新西兰牡荆苷Ⅰ,佛莱心苷,异佛莱心苷。4个不同道地种源(丹霞种、云南广南种、广西铁皮兰种、浙江本地种)铁皮石斛茎中均能检出新西兰牡荆苷Ⅱ,新西兰牡荆苷Ⅰ特征峰,其中新西兰牡荆苷Ⅱ丰度相对较大,而佛莱心苷、异佛莱心苷在云南广南种、广西铁皮兰种中出峰明显,芦丁则在丹霞种中尤为突出。
结论:
2
新西兰牡荆苷Ⅱ为铁皮石斛不同道地种源(丹霞种、云南广南种、广西铁皮兰种、浙江本地种)的共性黄酮苷成分,可作为铁皮石斛特征图谱的参照物。
Objective:
2
To extract
isolate
purify and identify the structures of the flavonoid glycoside in
Dendrobium officinale
from two different origin places (Danxia species and Yunnan Guangnan species)
and provide experimental reference for confirming the common flavonoid glycoside components in
D
.
officinale
.
Method:
2
①70% ethanol was applied to extract the total flavonoids in leaves of
D
.
officinale
from two different species. Organic solvents petroleum ether
acetic ether and water saturated
n
-butyl alcohol were used in turn to extract the crude extraction. Then AB-8 Macroporous resin
Sephadex LH-20 and ODS chromatographic column were applied to isolate and purify the water saturated
n
-butyl alcohol extraction fraction. The structures of flavonoid glycoside were identified by studying physicochemical property
applying modern spectroscopy method like HPLC
ESI-MS
n
1
H-NMR
13
C-NMR
etc. ②HPLC characteristic spectrum technique was used to analyse and compare the common flavonoid glycoside components in
Dendrobium officinale
from different origin places (Danxia species
Yunnan Guangnan species
Guangxi Tiepilan species and Zhejiang native species).
Result:
2
Five flavonoid glycoside compounds were isolated from the crude extractions of the leaves of
D
.
officinale
from two different species
and they were identified as rutin
vicenin Ⅱ
viceninⅠ
violanthin and isoviolanthin. The characteristic spectrum of vicenin Ⅱ and viceninⅠwere detected in stems of
D
.
officinale
from four different origin places (Danxia species
Yunnan Guangnan species
Guangxi Tiepilan species and Zhejiang native species)
and vicenin Ⅱ had a better separation degree in the characteristic spectrum. However
the characteristic spectrum of violanthin and isoviolanthin were more obvious in Yunnan Guangnan species and Guangxi Tiepilan species
while rutin was obvious in the Danxia species.
Conclusion:
2
Vicenin Ⅱis the common flavonoid glycosides component in
D
.
officinale
from different origin places (Danxia species
Yunnan Guangnan species
Guangxi Tiepilan species and Zhejiang native species)
and can be used as the internal reference material for the characteristic spectrum of
D
.
officinale
.
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