CN101548982A - 一种二氢黄酮类化合物在制备防治糖尿病药物中的应用 - Google Patents

一种二氢黄酮类化合物在制备防治糖尿病药物中的应用 Download PDF

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CN101548982A
CN101548982A CNA2009100510018A CN200910051001A CN101548982A CN 101548982 A CN101548982 A CN 101548982A CN A2009100510018 A CNA2009100510018 A CN A2009100510018A CN 200910051001 A CN200910051001 A CN 200910051001A CN 101548982 A CN101548982 A CN 101548982A
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isookanin
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treating diabetes
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CN101548982B (zh
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陈海生
杨小唯
黄敏珠
刘建国
孙连娜
金永生
赵卫权
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Second Military Medical University SMMU
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Abstract

本发明涉及医药技术领域,是鬼针草中二氢黄酮类化合物异奥卡宁或异奥卡宁-7-O-β-D-葡萄糖苷用于制备防治糖尿病药物的用途。本发明通过建立α-淀粉酶反应体系,对异奥卡宁或异奥卡宁-7-O-β-D-葡萄糖苷单体化合物进行了体外降糖活性实验,结果表明,它们均具有显著降糖活性,因此可用于制备防治糖尿病药物。本发明为寻找防治糖尿病药物提供了一种新的来源。

Description

一种二氢黄酮类化合物在制备防治糖尿病药物中的应用
技术领域
本发明涉及医药技术领域,是二氢黄酮类化合物异奥卡宁或异奥卡宁-7-O-β-D-葡萄糖苷用于制备防治糖尿病药物的用途。
背景技术
异奥卡宁(Isookanin),(7,8,3′,4′-四羟基二氢黄酮,7,8,3′,4′-tetrahydroxyflavanone)和异奥卡宁-7-O-β-D-葡萄糖苷是从菊科鬼针草属植物鬼针草(Bidens bipinnata L.)中分离得到的二个二氢黄酮类化合物【Mee Jung Jung,Jae Sue Choi,et al.Isolation of Flavonoids and aCerebroside from the Stem Bark of Albizzia julibrissin,Arch Pharm Res,2004,27(6):593-599;Dziedzic,et al.,Journal of Agricultural and FoodChemistry,1985,33(2),244;王建平,惠秋莎,秦红岩等,中草药,1992,23(5):229-231】。它们的化学结构通式如下:
Figure A20091005100100031
其中,基团R选自H或C6H11O5(葡萄糖基)。
当R=H时,化合物为异奥卡宁;
当R=C6H11O5时,化合物为异奥卡宁-7-O-β-D-吡喃葡萄糖苷。
至今未见有关异奥卡宁或异奥卡宁-7-O-β-D-葡萄糖苷具有防治糖尿病活性的报道。
发明内容
本发明对异奥卡宁或异奥卡宁-7-O-β-D-吡喃葡萄糖苷提供一种制备防治糖尿病药物的用途。
本发明通过实验证明,异奥卡宁或异奥卡宁-7-O-β-D-吡喃葡萄糖苷具有明显的抑制α-淀粉酶的活性。因此可用于制备防治糖尿病药物。
本发明采用碘法,选用葡萄糖检测试剂盒(葡萄糖氧化酶-过氧化物酶法,上海荣盛生物技术有限公司,20070722),检测异奥卡宁或异奥卡宁-7-O-β-D-吡喃葡萄糖苷对α-淀粉酶的抑制作用,以显示其降糖活性。方法如下:
将异奥卡宁或异奥卡宁-7-O-β-D-吡喃葡萄糖苷配制成一定浓度的溶液,向待测样品溶液中分别加入27.8mg/L的α-淀粉酶溶液,37℃温孵10min,再加入0.16%的淀粉溶液,37℃温孵10min后加500μL显色试剂,同时反应终止,在630nm波长下测定吸光度(A),吸光度A所反映的是被酶水解的淀粉的量,直接反映淀粉酶的活性。实验结果表明,异奥卡宁或异奥卡宁-7-O-β-D-吡喃葡萄糖苷具有显著的抑制α-淀粉酶的活性,亦即能抑制α-淀粉酶将淀粉分解为糖,显示了其降糖活性,因此可用于制备防治糖尿病药物。
本发明为寻找防治糖尿病药物提供了一种新的来源。
具体实施方式
下面通过体外实验,对本发明作详细描述。
异奥卡宁体外降糖活性试验
1、试验药物:
异奥卡宁或异奥卡宁-7-O-β-D-吡喃葡萄糖苷从鬼针草中分离得到,制备方法详见【Mee Jung Jung,et al.Arch Pharm Res,2004,27(6):593-599;Dziedzic,et al.,Journal of Agricultural and Food Chemistry,1985,33(2),244;王建平,等,中草药,1992,23(5):229-231】。
2试剂和材料
葡萄糖检测试剂盒(葡萄糖氧化酶-过氧化物酶法,上海荣盛生物技术有限公司,20070722);
阿卡波糖(Bayer AG,Wuppertal,German);
α-淀粉酶(Wako Pure Chemicals Ind.,Ltd.,Osaka,Japan);
其他试剂(分析纯)。
3实验仪器
酶标仪(Elx800,Biotek);96孔细胞培养板(Corning/Costar)
4、实验方法
将异奥卡宁和异奥卡宁-7-O-β-D-吡喃葡萄糖苷分别用DMSO配制成10mg/ml的溶液,再用水逐级稀释成高、中、低三个浓度,依次为0.062mg/ml、0.185mg/ml、0.556mg/ml;
将阿卡波糖用蒸馏水配制成浓度为0.556mg/ml溶液;
将α-淀粉酶用25mM的PIPES缓冲液配制成浓度为27.8mg/L溶液,PH 6.9;
将淀粉用蒸馏水配制成浓度为0.16%的淀粉溶液。
显色剂:先将苯甲酸钠10.8克,碘化钾5克溶于400ml水中,然后定溶至500mL。
用96孔细胞培养板,实验分5组,空白对照组、阳性对照组(阿卡波糖组)、异奥卡宁或异奥卡宁-7-O-
Figure A20091005100100061
-D-吡喃葡萄糖苷高(0.556mg/ml)、中(0.185mg/ml)、低(0.062mg/ml)剂量组。
分别将上述异奥卡宁或异奥卡宁-7-O--D-吡喃葡萄糖苷高、中、低三个浓度的溶液及阿卡波糖溶液加入96孔细胞培养板上编组的相应各孔,每孔25μl样品溶液,空白对照组加等量蒸馏水,每组各设6个复孔,分别于其中三个孔中加入12.5μlα-淀粉酶溶液,另三个孔加12.5μl蒸馏水,然后于每个孔中加入12.5μl淀粉溶液,于37℃温孵10min,再分别于各孔加入500μL显色试剂,反应同时被终止,按常规在630nm波长下测定吸光度(A),抑制率(%)计算公式如下:
抑制率(%)=[1-(样品不加酶-样品加酶)/(空白对照不加酶-空白对照加酶)]×100%
5、实验结果:
异奥卡宁试验结果见表1。
表1异奥卡宁对α-淀粉酶的抑制作用
Figure A20091005100100071
由表1可见,异奥卡宁高剂量组对α-淀粉酶具有明显的抑制作用,其抑制率接近阳性对照组。因此异奥卡宁可用于制备防治糖尿病药物。
异奥卡宁-7-O-β-D-吡喃葡萄糖苷的实验结果见表2。
表2异奥卡宁-7-O-β-D-葡萄糖苷对α-淀粉酶的抑制作用
Figure A20091005100100072
由表2可见,异奥卡宁-7-O-β-D-吡喃葡萄糖苷高剂量组对α-淀粉酶的抑制率接近阳性对照组。因此也可用于制备防治糖尿病药物。

Claims (1)

1、一种二氢黄酮类化合物在制备防治糖尿病药物中的应用,其特征在于所说二氢黄酮类化合物的化学结构通式如下:
其中,R基团表示H或C6H11O5
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WO2022039345A1 (ko) * 2020-08-18 2022-02-24 바이오스펙트럼 주식회사 이소오카닌 또는 이의 염을 유효성분으로 포함하는 염증성 질환 예방, 개선 또는 치료용 조성물

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FR2623398B1 (fr) * 1987-11-19 1990-04-06 Iphym Sa Compositions medicamenteuses a base de flavonoides et de saponines extraits de chrysanthellum. procede de preparation et applications therapeutiques
CA2459045A1 (en) * 2001-08-31 2003-03-13 Rutgers, The State University Of New Jersey Antidiabetic extracts of artemisia dracunculus

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* Cited by examiner, † Cited by third party
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WO2022039345A1 (ko) * 2020-08-18 2022-02-24 바이오스펙트럼 주식회사 이소오카닌 또는 이의 염을 유효성분으로 포함하는 염증성 질환 예방, 개선 또는 치료용 조성물
CN116033943A (zh) * 2020-08-18 2023-04-28 韩国百鸥思特公司 包含异奥卡宁或其盐作为有效成分的用于预防、改善或治疗炎症性疾病的组合物

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