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南昌大学 第一附属医院,南昌 330006
周健,博士,从事中药药效物质基础研究,E-mail:jianke1986@126.com
温金华,副主任药师,从事中药新药研发,E-mail:wenjh866@163.com;
魏筱华,主任药师,从事临床药学研究,E-mail:wxh-hello@163.com
收稿日期:2019-06-25,
网络出版日期:2019-08-08,
纸质出版日期:2019-12-05
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周健, 黎玉华, 周颖, 等. 变叶树参化学成分的分离与鉴定[J]. 中国实验方剂学杂志, 2019,25(23):128-132.
Jian ZHOU, Yu-hua LI, Ying ZHOU, et al. Isolation and Identification of Chemical Constituents from Rhizomes of
周健, 黎玉华, 周颖, 等. 变叶树参化学成分的分离与鉴定[J]. 中国实验方剂学杂志, 2019,25(23):128-132. DOI: 10.13422/j.cnki.syfjx.20192349.
Jian ZHOU, Yu-hua LI, Ying ZHOU, et al. Isolation and Identification of Chemical Constituents from Rhizomes of
研究变叶树参95%乙醇提取物的化学成分及其活性。运用硅胶柱色谱、中压液相制备色谱、制备液相色谱等技术对变叶树参的95%乙醇提取物进行了系统的分离,并结合UV,ESI-MS,
1
H-NMR,
13
C-NMR等波谱学手段对所得到的化合物进行结构鉴定;采用Griess法检测一氧化氮(NO)浓度以评价各化合物的抗炎活性。从变叶树参的95%乙醇提取物中分离得到9个化合物,鉴定其分别为(-)-丁香脂素(
1
),(+)-(7
S
,8
S
)-1′,4-dihydroxy-3,3′,5′-trimethoxy-7′,8,9′-trinor-8,4′-oxyneoligna-7,9-diol(
2
),赤式-愈创木基甘油-
β
-
O
-4′-松柏基醚(
3
),苏式-愈创木基甘油-
β
-
O
-4′-松柏基醚(
4
),松柏醇(
5
),7-
O
-ethylguaiacylglycerol(
6
),香草醛(
7
),丁香醛(
8
)和excoecanol B(
9
)。化合物
2
和
4
可以抑制脂多糖(LPS)诱导的BV2细胞的NO释放,二者的半数抑制浓度(IC
50
)分别为5.85,7.29 μmol·L
-1
。化合物
1~6,8~9
均为首次从该植物中分离得到,化合物
2
和
4
具有一定的抗炎活性。
The chemical constituents from 95% ethanol extract of
Dendropanax proteus
rhizomes and their anti-inflammatory activities were investigated. These compounds in 95% ethanol extract of
D
.
proteus
rhizomes were isolated and purified by silica gel column chromatography
medium-pressure liquid chromatography
preparative liquid chromatography
etc. Their structures were elucidated based on the spectral data and physicochemical properties. All the compounds were tested for their ability to inhibit lipopolysaccharide (LPS) induced nitric oxide production in the murine microglia BV2 cell line. Nine compounds were isolated from the ethyl acetate fraction of 95% ethanol extract of
D
.
proteus
rhizomes
and identified as (-)-syringaresinol (
1
)
(+ )-(7
S
8
S
)-1′
4-dihydroxy-3
3′
5′-trimethoxy-7′
8
9′-trinor-8
4′-oxyneoligna-7
9-diol (
2
)
erythro-guaiacylglycerol-
β
-
O
-4′-coniferyl ether (
3
)
threo-guaiacylglycerol-
β
-
O
-4′-coniferyl ether (
4
)
coniferyl alcohol (
5
)
7-
O
-ethylguaiacylglycerol (
6
)
vanillin (
7
)
syringaldehyde (
8
)
and excoecanol B (
9
). Compounds
2
and
4
showed neuritis inhibitory activity against microglial inflammation factor
their half inhibitory concentrations (IC
50
) were 5.85
7.29 μmol·L
-1
respectively. Compounds
1-6
8-9
are isolated from this plant for the first time
compounds
2
and
4
exhibit the potent inhibitory activity.
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