WO2008071079A1 - Composition permettant de réduire la glycémie et la lipidémie, et de contrôler des complications associées à des diabètes - Google Patents

Composition permettant de réduire la glycémie et la lipidémie, et de contrôler des complications associées à des diabètes Download PDF

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WO2008071079A1
WO2008071079A1 PCT/CN2007/003521 CN2007003521W WO2008071079A1 WO 2008071079 A1 WO2008071079 A1 WO 2008071079A1 CN 2007003521 W CN2007003521 W CN 2007003521W WO 2008071079 A1 WO2008071079 A1 WO 2008071079A1
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lowering blood
composition
total flavonoids
extract
pueraria
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PCT/CN2007/003521
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English (en)
French (fr)
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Baomin Wang
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Baomin Wang
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/48Fabaceae or Leguminosae (Pea or Legume family); Caesalpiniaceae; Mimosaceae; Papilionaceae
    • A61K36/488Pueraria (kudzu)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • A61P3/06Antihyperlipidemics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • A61P3/08Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics

Definitions

  • composition for lowering blood sugar, lowering blood fat, and controlling diabetic complications
  • the present invention relates to a composition for lowering blood sugar, lowering blood fat, and controlling complications of diabetes. Background technique
  • the technical scheme of the present invention is: a composition for lowering blood sugar, lowering blood fat, and controlling diabetic complications, which is composed of the following components: pueraria, houttuynia, and ghost arrow feather.
  • Pueraria The total flavonoids of Radix Puerariae in this composition have obvious effects on heart, kidney, retina and neuropathy caused by diabetes and diabetes. It can increase coronary blood pressure, increase blood supply to the heart, dilate brain blood vessels and improve cerebral circulation. Inhibition of platelet aggregation in the human body.
  • Houttuynia It has good anti-inflammatory, immune-modulating and other pharmacological effects. It is often used to treat various diseases of the kidney. In addition, Houttuynia can also promote the regeneration of islet tissue and restore the vitality of damaged and aging cells.
  • Ghost Arrow can delay the weight gain of experimental type 2 diabetic rats, reduce fasting blood glucose in diabetic rats, improve glucose tolerance, and significantly reduce the whole blood viscosity of diabetic mice at high and low shear rates.
  • ghost arrow feathers have the effect of regulating blood lipid metabolism, which can significantly increase the activity of lecithin cholesterol acyltransferase (LCAT) and delay the action of atherosclerotic lesions, indicating that ghost arrow feathers are associated with diabetes and its chronic complications. The disease has a positive preventive effect.
  • LCAT lecithin cholesterol acyltransferase
  • the phenolic substances in the Houttuynia cordata (original catechin, affinis and quercetin) have anti-toxic effects on various toxic substances, and the hypericum and puerarin in ghost Arrow can be better.
  • the formation of aldose reductase and glycation end products is inhibited, and the synergistic action of these effective substances can better prevent various complications of diabetes.
  • the weight ratio of each component in the composition is:
  • the weight ratio of each component is: puerariae 20%, ghost arrow feather 25%, houttuynia 55%.
  • the weight ratio of each component is: 60% of pueraria, 15% of ghost arrow feather, and 25 % of Houttuynia cordata.
  • the weight ratio of each component is: puerarin 25%, ghost arrow feather 60%, and houttuynia 15%.
  • the pueraria root is the total flavonoids of Pueraria lobata, the total flavonoids of Houttuynia cordata, and the flavonoids of the ghost arrow feathers.
  • the total flavonoids of Radix Puerariae, the total flavonoids of Houttuynia cordata, and the total flavonoids of ghostball are mainly extracted from the three components of the raw materials of Pueraria lobata, Houttuynia cordata and ghost arrow feather by weight ratio, and the flocculating agent is removed.
  • the three extracts obtained after adsorption, separation and purification of the macroporous resin, the total weight content of the total flavonoids in each extract is 10-85%;
  • the ethanol extraction is an extract obtained by immersing the raw material in an ethanol solution having a concentration of 5-95%;
  • the flocculating agent removing the flocculation agent is a flocculation after mixing the flocculating agent with the extract liquid.
  • the macroporous resin is adsorbed, separated, and purified by adsorbing the clear solution with a macroporous resin to obtain an extract, and separating the macroporous resin from the extract. After drying, an extract containing total flavonoids is obtained.
  • the ethanol extraction is carried out at a temperature of 35-85 Torr.
  • the total flavonoids of Radix Puerariae, the total flavonoids of Houttuynia cordata, and the total flavonoids of ghostball are mixed by the above-mentioned weight ratios of the raw materials of Pueraria lobata, Houttuynia cordata and ghost arrow feathers, followed by ethanol extraction,
  • the ethanol extraction is obtained by immersing the raw material in an ethanol solution having a concentration of 5-95%.
  • the flocculation agent removes the flocculant and the extract, and then flocculates and precipitates, and removes the precipitate to obtain a clear solution;
  • the macroporous resin is adsorbed, separated and purified into a macroporous resin.
  • An extract is obtained from the clear solution, and the macroporous resin is separated from the extract, and dried to obtain an extract containing total flavonoids.
  • the ethanol extraction is carried out at a temperature of 35 to 85 Torr.
  • composition of the present invention can be formulated into a pharmaceutical or health food.
  • the dosage form of the composition of the present invention is any pharmaceutically acceptable dosage form such as a capsule, a tablet, a pill, a granule, a topical preparation, a liquid preparation, a semisolid preparation, and the like.
  • the composition has a clear hypoglycemic effect, can significantly reduce the elevated blood sugar of type 2 diabetes, and promote the repair of damaged P cells, gradually restore the function of islets: it can also increase the sensitivity of tissues to insulin and reduce the consumption of insulin. Avoid the failure of damaged cells.
  • a composition for lowering blood sugar, lowering blood fat, and controlling diabetic complications which is composed of the following weight ratio components: Pueraria 15% - 70%; Houttuynia 15% - 60%: ghost arrow feather 10% — 70%.
  • the weight ratio of each component is 20% of Pueraria; Houttuynia 55%: ghost arrow feather 25%
  • the weight ratio of each component is 35% of puerarin; 45% of houttuynia: 20% of ghost arrow feather.
  • the weight ratio of each component is 60% for Pueraria, 25% for Houttuynia, and 15% for ghost arrow.
  • the weight ratio of each component is 25% of pueraria; 15% of Houttuynia cordata; 60% of ghost arrow feather
  • the above-mentioned Pueraria lobata is the total flavonoids of Pueraria lobata
  • the total flavonoids of Houttuynia cordata are the flavonoids of Houttuynia cordata.
  • the total flavonoids of Pueraria lobata, the total flavonoids of Houttuynia cordata, and the total flavonoids of ghostball can be separately extracted separately according to the weight ratio.
  • the raw materials of the above-mentioned weight ratios such as Pueraria lobata, Houttuynia cordata and ghost arrow feather are placed in the extraction solvent for 5-95%.
  • Ethanol soluble Soaking in liquid extraction temperature is 35-85 'C, extraction time is 2 hours each time, extraction is carried out 3 times to obtain extraction, liquid, extract is used to recover ethanol under reduced pressure, and the following flocculant is used for impurity removal (chitosan, ZTC 1+1 natural clarifying agent, 101 juice clarifying agent), using the following macroporous resin columns (AB-8, NKA-II, NKA-9, D-101, DM-301, D-101-I and polyamide, etc.) Adsorption, separation and purification, elution with 2-8 volume, 5-95% ethanol solution, generally with 5 %, 25 %, 55 %, 75%, 95% ethanol solution, gradient elution, eluent The ethanol is recovered, vacuum dried or spray dried to obtain three extracts containing total flavonoids, respectively, and the total flavonoid content in each extract needs to be 10-85%.
  • the total flavonoids of Pueraria, the total flavonoids of Houttuynia cordata, and the total flavonoids of ghostball can also be mixed and extracted according to the weight ratio.
  • the above-mentioned raw materials of the weight ratio of Pueraria, Houttuynia, and ghost Arrow are mixed and put into extraction.
  • the solvent is immersed in 55% 95% ethanol solution, the extraction temperature is 35-85 ⁇ , the extraction time is 2 hours each time, and the extract is extracted 3 times to obtain the extract, and the extract is decompressed to recover ethanol, and the following flocculant is used for impurity removal ( Chitosan, ZTC 1+1 natural clarifying agent, 101 juice clarifying agent), using the following macroporous resin column (AB-8, NKA-II, NKA-9, D-101, D-301, D-101-I Polyamide, etc.) Adsorption, separation and purification, elution with 2-8 volumes of 5-95% ethanol solution, usually with gradient washing of 5%, 255%, 55 %, 75%, 95% ethanol solution The ethanol is recovered from the eluate, dried by vacuum drying or spray-dried to obtain a mixed extract containing total flavonoids, and the total flavonoid content in the mixed extract is required to be 10-85%.
  • mice C57/6J pure mice, male, initial body weight 14-16g, after six weeks of high-glycolipid wording, fasting 24h, intraperitoneal injection of streptozotocin 80mg/ Kg, 5 days later, fasting blood glucose l l-20mmol / L of the mice were tested, and another 12 C57/6J mice were fed with normal feed as a normal control.
  • mice were randomly divided into 12 groups/groups, which were divided into model control group, high- and low-dose test groups, and ordinary mice were used as normal controls.
  • the composition was administered orally for 20 days at a dose of 20 and 10 g/kg/d (in terms of raw medicinal materials) (normal control and model control were given a considerable volume of distilled water), and the test was carried out for 12 hours after the abdomen of the sky. 2g/kg, blood was taken through the orbital venous plexus, and blood glucose, serum free fatty acid and glycated hemoglobin were measured at different times before and after the sugar load according to the requirements of the kit. .
  • Results The composition significantly reduced the abnormal blood glucose level in streptozotocin-induced type 2 diabetic mice, and also significantly improved glucose tolerance and decreased serum free fatty acids and glycated hemoglobin. Minute Do not see Table 1-1, Table 1-2. Table 1-1 Composition of fasting blood glucose, serum free fatty acids and type 2 diabetic mice
  • Induction of type 2 diabetic rats SD rats, male, weighing 65-80 g, feeding for six weeks after high glucose rouge, fasting 24 h, intraperitoneal injection of streptozotocin 30 mg/kg, taken after 5 days The mice with fasting blood glucose ll-20mmol/L were tested. Another 10 SD rat words were taken as normal controls.
  • Rats were randomly divided into groups, 10 rats/group, divided into model control group, high- and low-dose test groups, and normal vocabulary rats as normal controls.
  • the composition was administered orally for 20 days at a dose of 5 and 2.5 g/kg/d (in terms of raw medicinal materials) (normal control and model control were given a considerable volume of distilled water), and the test was carried out for 12 hours after the abdomen of the sky.
  • Oral 2g/kg, blood was taken through the orbital venous plexus, and the blood glucose, serum insulin, blood lipid, and lecithin cholesterol acyltransferase activities were measured at different times before and after the sugar load according to the requirements of the kit.
  • composition-containing rat serum The protective effect of the composition-containing rat serum on the oxidative damage of endothelial cells caused by H202:
  • Eight normal rats were randomly divided into two groups. The number of males and females was the same. One group was given 40g of crude drug/kg body weight of traditional Chinese medicine, and the other group was given equal dose of distilled water for control. Continuous administration for three days, daily After administration, the rats were given a double dose for 1 hour, blood was collected, and 37 liters of water bath was used to promote coagulation. The serum of each group was separated, and the serum of the blank rats and the serum of the drug-containing rats were obtained. Sterile filtration and dispensing, use within two weeks.
  • the logarithmic growth phase ECV304 cells were seeded at a density of 1.0 ⁇ 10 5 cells/ml in 96-well culture plates. Each group was paralleled with 6 wells, each well was 100 ⁇ l, cultured at 37°C, 5% C0 2 saturated humidity, and the cells were cultured. After adhering to the culture medium, the medium was discarded and pre-incubated with DMEM medium containing appropriate concentration of rat serum, blank rat serum or 25 u mol/L vitamin E for 12 h, and then added to a final concentration of 500 ⁇ mol ⁇ L- 1 . H 2 0 2 was subjected to oxidative damage for 4 h.
  • the MTT assay showed that the drug-containing serum of the oral composition of rats had a good protective effect on cell damage caused by hydrogen peroxide and was superior to vitamin E.
  • the relative survival rate of cells was calculated by the following formula:
  • Relative cell survival rate (%) rat drug-containing serum 0D or rat serum control 0D/calf serum control group ODX 100%.
  • Rat drug-containing serum 2 0.807 ⁇ 0.049 " 94.83
  • Vitamin E 4 0.777 ⁇ 0.030 91.30
  • Vitamin E 4 100.3 ⁇ 5.73 b 21.78 ⁇ 0.91 b

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Description

用于降血糖、 降血脂、 控制糖尿病并发症的组合物 技术领域
本发明涉及一种用于降血糖、 降血脂、 控制糖尿病并发症的组合物。 背景技术
在现代物质文明不断提高的同时, 由于工作繁忙、 运动减少、 饮食营养物 质组合失当、 精神压力大等原因, 导致人体代谢机能失调, 使得糖尿病的发 病率显著上升, 严重危害人类健康。 随着糖尿病的发展, 体内代谢紊乱, 如 得不到很好地控制,可导致心脏、 血管、 肾、 神经等组织器官的慢性并发症, 以致最终发生肾功能衰竭、 脑中风或心肌梗死, 从而危及生命。
目前对糖尿病治疗的许多中成药物, 在控制血糖、 有效调节代谢、 保护胰 岛细胞、 抑制重要脏器功能异常等具有明显的缺陷、 因而也就不能降低、 延 缓糖尿病病变的发展, 这些药物持久使用, 必然导致药物不良反应的发生和 对机体的损害。 发明内容
本发明目的是提供一种具有降血糖、 降血脂、 控制糖尿病并发症的组合物, 且持久使用也不会引起对人的机体的明显损害。
本发明的技术方案是: 一种用于降血糖、 降血脂、 控制糖尿病并发症的组 合物, 它由如下组份组成: 葛根、 鱼腥草和鬼箭羽。
葛根: 本组合物中的葛根总黄酮等对糖尿病、 糖尿病引起的心、 肾、 视网 膜及神经病变均有明显的效果, 能扩张冠脉增加心脏血供, 扩张脑血管改善 脑循环, 也能有效抑制人体内血小板聚集。
鱼腥草: 具有良好的抗炎、 调节免疫等药理作用, 常用于治疗肾脏多种 疾病, 另外, 鱼腥草也能促进胰岛组织再生, 使受损的、 衰老的细胞恢复活 力。
鬼箭羽: 鬼箭羽能延缓实验性 2 型糖尿病大鼠的体重增长,降低糖尿病大 鼠空腹血糖 ,改善糖耐量, 明显降低糖尿病小鼠的高、低切变率下的全血黏度、 同时鬼箭羽有调节血脂代谢的作用, 可明显增加卵磷脂胆固醇酰基转移酶 (LCAT)活性,延缓动脉粥样硬化病变作用, 说明鬼箭羽对于糖尿病及其慢性并发 症有积极的防 作用。
鱼腥草中的酚类物质 (原儿茶酸、 阿福豆甙和槲皮甙等) 对多种有毒物质 有抗毒作用, 鬼箭羽中金丝桃甙以及葛根异黄酮类物质能较好地抑制眼醛糖还 原酶和糖基化终产物的形成, 这些有效物质的协同作用能较好的防止糖尿病多 种并发症。
所述的组合物中各组份的重量配比是:
葛根 15%—70%;
鱼腥草 15%—60%;
鬼箭羽 10%— 70%。
优选各组份的重量配比是: 葛根 20%, 鬼箭羽 25%, 鱼腥草 55%。
另一优选方案中各组份的重量配比是: 葛根 60%, 鬼箭羽 15%, 鱼腥草 25 %。
第三种优选方案中各组份的重量配比是: 葛根 25% , 鬼箭羽 60% , 鱼腥 草 15%。
其中, 所述的葛根为葛根总黄酮、 鱼腥草为鱼腥草总黄酮、 鬼箭羽为鬼箭 羽总黄酮。
所述的葛根总黄酮、鱼腥草总黄酮、鬼箭羽总黄酮为由原料葛根、鱼腥草、 鬼箭羽三种组份按重量配比要求分别进行乙醇提取、 凝絮剂除杂及大孔树脂吸 附、 分离、 纯化后得到的三种提取物, 所述的各提取物中总黄酮的总重量含量 都为 10-85 %;
其中,所述的乙醇提取为将原料放在浓度为 5-95%的乙醇溶液中浸泡后得 到的萃取液; 所述的凝絮剂除杂是将凝絮剂与萃取液混合后凝絮沉淀, 去除沉 淀物得到的澄清溶液; 所述的大孔树脂吸附、 分离、 纯化为用大孔树脂对所述 的澄清溶液进行吸附得到提取物, 再将所述的大孔树脂与提取物进行分离, 干 燥后得到含有总黄酮的提取物。
所述的乙醇提取是在温度为 35-85Ό的条件下进行的。
所述的葛根总黄酮、 鱼腥草总黄酮、鬼箭羽总黄酮为由原料葛根、 鱼腥草、 鬼箭羽三种组份按所述的重量配比混合后, 再依次进行乙醇提取、 凝絮剂除杂 及大孔树脂吸附、 分离、 纯化后得到的混合提取物, 所述的混合提取物中总黄 酮的总重量含量为 10-85 %;
其中,所述的乙醇提取为将原料放在浓度为 5-95%的乙醇溶液中浸泡后得 到萃取液; 所述的凝絮.剂除杂是将凝絮剂与萃取液混合后凝絮沉淀, 去除沉淀 物得到澄清溶液; 所述的大孔树脂吸附、 分离、 纯化为用大孔树脂对所述的澄 清溶液进行得到提取物, 再将所述的大孔树脂与提取物进行分离, 干燥后得到 含有总黄酮的提取物。
所述的乙醇提取是在温度为 35- 85Ό的条件下进行的。
本发明的组合物可以制成药物或保健食品。
本发明的组合物的剂型是任何一种药剂学上的剂型, 如胶囊、片剂、丸剂、 颗粒剂、 外用制剂、 液体制剂、 半固体制剂等。
本发明与现有技术相比具有下列优点:
1、 该组合物降糖作用明确, 能显著降低二型糖尿病升高的血糖, 并促进 受损 P细胞的修复, 逐渐恢复胰岛功能: 也能提高组织对胰岛素的敏感性, 降 低胰岛素的消耗, 避免受损细胞的衰竭。
2、 显著降低血脂, 升高髙密度脂蛋白胆固醇, 增强对代谢的改善作用, 也能保护内皮功能, 抑制血小板聚集、 减少心血管系统并发症。
3、 显著抑制醛糖还原酶活性、 降低糖基化血红蛋白、 降低过氧化脂质, 保护细胞膜功能, 抑制由多种有害物质造成的对细胞、 组织的损伤。 具体实施方式
一种用于降血糖、 降血脂、 控制糖尿病并发症的组合物, 它由下列重量配 比的组份组成: 葛根 15%— 70% ;鱼腥草 15%—60%:鬼箭羽 10%— 70%。
推荐的配方 1为
各组份的重量配比是葛根 20%; 鱼腥草 55%:鬼箭羽 25%
推荐的配方 2为
各组份的重量配比是葛根 35%; 鱼腥草 45% : 鬼箭羽 20%。
推荐的配方 3为
各组份的重量配比是葛根 60%,鱼腥草 25%,鬼箭羽 15%。
推荐的配方 4为
各组份的重量配比是葛根 25%; 鱼腥草 15% ;鬼箭羽 60%
上述的葛根为葛根总黄酮、 鱼腥草为鱼腥草总黄酮、 鬼箭羽为鬼箭羽总黄 酮。
葛根总黄酮、 鱼腥草总黄酮、 鬼箭羽总黄酮可按重量配比分开单独提取, 取上述重量配比的原料葛根、 鱼腥草、 鬼箭羽放入提取溶媒为 5-95%的乙醇溶 液中浸泡,提取温度为 35-85 'C,. 提取时间每次 2小时,共提取 3次得到萃取,液, 萃取液减压回收乙醇、 用以下凝絮剂除杂( 壳聚糖、 ZTC 1+1天然澄清剂, 101果汁 澄清剂 )、 用以下大孔树脂柱 (AB- 8, NKA-II, NKA-9, D- 101, DM- 301, D-101-I 和聚 酰胺等) 吸附、 分离纯化, 用 2-8体积、 5-95 %的乙醇溶液洗脱, 一般情况下 分别用 5 %、 25 %、 55 %、 75 %、 95 %乙醇溶液进行梯度洗脱, 洗脱液回收乙醇, 经真空干燥或喷雾干燥得到分别含有总黄酮的三种提取物, 每一种提取物中总 黄酮含量需达 10-85 %。
当然, 葛根总黄酮、 鱼腥草总黄酮、 鬼箭羽总黄酮也可按重量比混合后进 行混合提取, 取上述重量配比的原料葛根、 鱼腥草、 鬼箭羽, 混合后放入提取 溶媒为 5二95 %的乙醇溶液中浸泡,提取温度为 35- 85 Ό , 提取时间每次 2小时, 共提取 3次得到萃取液, 萃取液减压回收乙醇、用以下凝絮剂除杂( 壳聚糖、 ZTC 1+1天然澄清剂, 101果汁澄清剂 )、 用以下大孔树脂柱 (AB- 8, NKA-II, NKA-9, D-101, D -301, D-101-I 聚酰胺等) 吸附、 分离纯化, 用 2-8倍体积、 5- 95 %的乙醇溶 液洗脱, 一般情况下分别用 5 %、 25 %、 55 %、 75 %、 95 %乙醇溶液进行梯度洗 脱, 洗脱液回收乙醇, 经真空干燥或喷雾干燥, 得到含有总黄酮的混合提取物, 混合提取物中总黄酮的含量需达 10-85 %。
以下是药理和临床试验部分资料:
试验例一
对链脲霉素诱导 2型糖尿病小鼠血糖血脂的影响
1) . 2型糖尿病小鼠的诱导: C57/6J纯系小鼠,雄性,初始体重 14-16g , 词用高糖髙脂词料六周后, 空腹 24h,腹腔注射链脲霉素 80mg/kg, 5天后取空 腹血糖 l l-20mmol/L的成模鼠进行试验,另取 C57/6J小鼠 12只饲以普通饲 料作为正常对照。
2) . 取成模小鼠随机分组, 12 只 /组, 分为模型对照组、 组合物高、 低 剂量试验组, 另取普通词料小鼠作为正常对照。 组合物以 20和 10g/kg/d的剂 量 (以生药材计) 连续口服给药 20天(正常对照与模型对照给予相当体积蒸馏 水), 试验当天空腹 12h,给药后, 即予以葡萄糖负荷口服 2g/kg, 经眼眶静脉 丛取血, 按试剂盒要求, 分别测定糖负荷前、 后不同时间的血糖、 血清游离脂 肪酸、 糖化血红蛋白。 .
3) . 结果: 该组合物对链脲霉素诱导的 2 型糖尿病小鼠血糖异常升高有 明显的降低作用, 也能明显改善糖耐量, 降低血清游离脂肪酸、 糖化血红蛋白。 分 别见表 1-1, 表 1-2。 表 1-1 组合物对 2型糖尿病小鼠空腹血糖、 血清游离脂肪酸和
糖化血红蛋白的影响 (η=12 , M土 S)
组别 剂量 给药前血糖 给药后 20天血糖 游离脂肪酸 糖化血红蛋白
(g/kg) (mmol/L) (mmol/L) (mmol/L) (g/dl ) 正常对照 一 6.72±1.26 6.15±0.88 0.56±0.12 11.83±1.39 模型对照 一 22.11±4.32 18.36±4.84 1.28±0.28 15.29±2.01 组合物 20 3.31±5.03 10.06±3.63" 0.71±0.24" 12.52±1.58b 组合物 10 22.58±5.69 12.42±5.2 0.91±..019b 13.39±1· 72 a 与模型对照比较, a: p<0.05, b: p<0.01o 组合物对 2型糖尿病小鼠糖负荷时血糖的影响 (n=12 , M土 S)
组别 剂量 糖负荷时血糖 (mmol/L)
(g/kg) 0 0.5 1.5 3 5h 正常对照 一 6.15士 0.88 9.78 ±2.36 6.83±1.39 5.95±0.98 6.22±116 模型对照 一 18.36±4.84 32.26 ±6.45 26.51 ±6.57 21.06±8.38 19.82 ±7.33 组合物 20 10.06±3.63 19.72 ±7.24b 13.25±6.08" 11.61±4.02 b ' 10·38±4.23ϋ 组合物 10 12.42±5.21 22.33±6.35" 18.20±8.32 ° 13.19±6.50a 11.02士 5, 19 Β 与模型对照比较, a: p<0.05, b: p<0.01o 试验例二
1. 对链脲霉素诱导 2型糖尿病大鼠血糖血脂的影响
1) . 2型糖尿病大鼠的诱导: SD大鼠, 雄性, 体重 65— 80g, 饲用高糖 髙脂词料六周后, 空腹 24h,腹腔注射链脲霉素 30mg/kg, 5天后取空腹血糖 ll-20mmol/L的成模鼠进行试验。另取 10只 SD大鼠词以普通饲料作为正常对 照。
2) . 取成模大鼠随机分组, 10只 /组, 分为模型对照组, 组合物高、 低 剂量试验组, 另取普通词料大鼠作为正常对照。 组合物以 5和 2.5g/kg/d 的 剂量 (以生药材计) 连续口服给药 20 天(正常对照与模型对照给予相当体积 蒸馏水), 试验当天空腹 12h,给药后, 即予以葡萄糖负荷口服 2g/kg, 经眼眶 静脉丛取血, 按试剂盒要求, 分别测定糖负荷前、 后不同时间的血糖、 血清 胰岛素、 血脂、 卵磷脂胆固醇酰基转移酶活性。
3) . 结果: 组合物明显减低糖尿病大鼠血糖, 显著改善糖耐量, 减轻 胰岛素的过度释放, 明显提高卵磷脂胆固醇酰基转移酶活性, 有效升髙 ■2- C/ HDL3_C的比值,分别见表 2-1, 2-2。 表 2-1 组合物对 2型糖尿病大鼠胰岛素和血糖的影响 (π=10 Μ士 S)
组别 剂量 胰岛素 空腹血糖
( μ u/ml ) (nmol/L)
正常对照 21.8±4.8 5.32±1.10 8.65±2.06 7.42 ±1.32 6.01±1.68 模型对照 31.2±6.8 14.65±5.21 22.8±6.29 21.33士 6· 51 19.69±5· 05 组合物 27.9±6.9 9.36±4, 08 19.39±7.58 17.12±5.31 13.52±6· 36 组合物 24.1±7.3 7.72 ±5.62 18.24±6.08 15.05 ±6.06 9.62±4.19 与模型对照比较, a: p<0.05, b: p<0.01 ο
表 2-2 组合物对 2型糖尿病大鼠卵磷脂胆固醇酰基转移酶和血脂的影响 (n=10 , M±S) 组别 剂量 LCAT HDL-G HDL2-C HDL C
g/kg (ramol/L) (mmol/L) 正常对照 一 36.42±6.57 0.86±0.21 0.31±0· 08 0, 42±0.10 模型对照 一 10.75±2.88 0.55±0.16 0.16±0.05 0.38±0.09 组合物 5 25.36±8.22 b 0.65±0· 19 0.30±0· 10 b 0.39±0.11 组合物 2.5 30.20 ±7.52 " 0.79±0.25" 0.32±0.06" 0.41±0.08
与模型对照比较, a: p<0.05, b: p<0.01 试验例三
2. 对链脲霉素诱导 2型糖尿病大鼠血管内皮功能的影响
1) 按照上述,在试验结束时, 经颈动脉取血, 用 20u/ml肝素抗凝收集全 血 lml 5μΜ 的 ADP 作诱导剂, 利用电阻法测全血血小板聚集率; 用 2% EDTA- Na2抗凝, 收集血样 2ml, 制备血浆冻存待测 6-酮-前列腺素 F1 α和血 栓素 Β2, 测定按试剂盒要求进行。
2) 结果: 由表五可见, 对于受试 SD大鼠血浆中 6-keto-PGFl 0 [含量各组 间差异不显著, 但对于 TXB2模型组比正常组、 治疗组含量要高很多, 差异显 著, 因而显著升高 6- keto- PGF1 α / TXB2比值。 G4和 Aspirin显著抑制内皮 细胞损伤大鼠血小板聚集率, 格列美脲对此作用不显著。
表 3 组合物对 2型糖尿病大鼠血管内皮功能的影响 ( n=10 M± S )
组另 ij ¾ 6-酮-前列腺素 F, α 血栓素 B:' 血小板聚集率
g/kg (pg/ml) (pg/ml) (Ω) 正常对照 ― 51.36±9.65 4028.11 ±852.06 8.76±1.64b 模型对照 ^ 45.28士 8.12 5035.16±711.38 13.33±2.41 组合物 5 52.77 ±9.68 3521.51±1052.32" 9.82±3.08b 组合物 2.5 50.12 ±11.73 3964.55 ±1206.28 10.09±2.831
与模型对照比较, a: p<0.05, b: p<0.01。 试验例四
组合物大鼠含药血清对 H202造成内皮细胞氧化损伤的保护作用:
1. 含药血清对 H202造模后 ECV304细胞活力的影响:
1) 血清的制备:
取正常大鼠 8 只, 随机分为两组, 组间雌雄数目相同, 一组灌胃给予中药 复方 40g生药 /kg体重, 另一组给予等剂量蒸馏水作对照, 连续给药三天, 每日 给药一次, 末次给予双倍剂量后 lh, 采血, 37Ό水浴促凝, 分离各组大鼠血清, 分别得到空白大鼠血清和含药大鼠血清。 无菌滤过分装, 两星期内使用。
2) 实验方法:
取对数生长期的 ECV304细胞, 密度为 1.0X105个 /ml接种于 96孔培养板, 每组平行 6孔, 每孔 100μ 1, 于 37Ό, 5% C02饱和湿度条件下培养, 待细胞 贴壁后弃去培养基, 换以含适当浓度大鼠含药血清、空白大鼠血清或 25u mol/L 维 E的 DMEM培养基预孵育 12h, 再加入终浓度为 500μ mol · L— 1的 H202进行氧化 损伤 4 h, 损伤结束后, 每孔加入 10μ 1的 0.5%ΜΤΤ再孵育 4h后, 吸弃上清 液, 每孔加入 150μ 1 的 DMS0充分溶解结晶物, 以酶联免疫检测仪测定 570nm 处的光密度值。 其中, 空白大鼠血清和含药大鼠血清的添加量在同一组别相同, 大鼠血清添加量设为 2%、 4%和 8%三个剂量组。
3) 结果:
MTT法测定表明, 大鼠口服组合物的含药血清, 对过氧化氢所造成的细胞损 伤有良好的保护作用, 且优于维生素 E, ,按下式计算细胞相对存活率:
细胞相对存活率(%) =大鼠含药血清 0D或大鼠血清对照 0D/小牛血清对 照组 ODX100%。
见表 4-1。 表 4-1 组合物大鼠含药血清对 ECV304细胞相对存活率的影响 (n=6, M土 S)
H¾ m 吸收度 细胞相对存活率
(%) (OD570) (%) 小牛血清对照 2 0.851 ±0.040 100
大鼠血清对照 2 ' 0.706±0.040 82.96 ·
大鼠含药血清 2 0.807 ±0.049 " 94.83
4 0.839±0.024 " 98.58
8 0.798 ±0.026 b 93.77
维生素 E 4 0.777±0.030 " 91.30
与模型对照比较, a: p<0.05, b: p<0.01o
2. 含药血清对 H202造模后 ECV304细胞 MDA含量和 SOD活力的影响:
按照上述方法复制 H202损伤模型, 以细胞裂解液测定细胞中 MDA的含量, 以造模后细胞培养上清液测定细胞 SOD的活力大小。 (n=6)
表 4-2 组合物大鼠含药血清对 ECV304细胞相对存活率的影响 (n=6, M±S)
组别 浓度 丙二醛 超氧化物歧化酶
(%) (nmol/mgPr) (U/ml)
小牛血清对照 2 106.3±9, 35 19.86±0.76
大鼠血清对照 2 126.8±6.83 16.70 ±0.82
大鼠含药血清 2 105.0士 4.66 b 22.11±0.92 "
4 102.3±5.52 b 19.08±1.33b
8 96.50 ±6.43" 22.62±1.09h
维生素 E 4 100.3±5.73b 21.78±0.91 b
注: 与大鼠血清对照组比较, a:p<0.05, b: p<0.01

Claims

权利要求: . .
1、 一种用于降血糖、 降血脂、 控制糖尿病并发症的组合物, 其特征在于: 它由如下组份组成: 葛根、 鱼腥草和鬼箭羽。
2、 根据权利要求 1所述的用于降血糖、 降血脂、 控制糖尿病并发症的组合 物, 其特征在于: 所述的各组份的重量配比是- 葛根 15%— 70%;
鱼腥草 15%—60%;
鬼箭羽 10%—70%。
3、 根据权利要求 2所述的用于降血糖、 降血脂、 控制糖尿病并发症的组合 物, 其特征在于: 所述的各组份的重量配比是: 葛根 20% , 鱼腥草 55%, 鬼箭 羽 25%。
4、 根据权利要求 2所述的用于降血糖、 降血脂、 控制糖尿病并发症的组合 物, 其特征在于: 所述的各组份的重量配比是: 葛根 60%, 鱼腥草 25% , 鬼箭 羽 15%。
5、 根据权利要求 2所述的用于降血糖、 降血脂、 控制糖尿病并发症的组合 物, 其特征在于: 所述的各组份的重量配比是: 葛根 25% , 鱼腥草 15%, 鬼箭 羽 60%。
6、 根据权利要求 1或 2所述的用于降血糖、 降血脂、 控制糖尿病并发症的 组合物, 其特征在于: 所述的葛根为葛根总黄酮、 鱼腥草为鱼腥草总黄酮、 鬼 箭羽为鬼箭羽总黄酮。
7、 根据权利要求 6 所述的用于降血糖、 降血脂、 控制糖尿病并发症的组 合物, 其特征在于: 所述的葛根总黄酮、 鱼腥草总黄酮、 鬼箭羽总黄酮为由原 料葛根、 鱼腥草、 鬼箭羽三种组份按重量配比要求分别进行乙醇提取、 凝絮剂 除杂及大孔树脂吸附、 分离、 纯化后得到的三种提取物, 所述的各提取物中总 黄酮的总重量含量都为 10-85 %;
其中,所述的乙醇提取为将原料放在浓度为 5- 95%的乙醇溶液中浸泡后得 到的萃取液; 所述的凝絮剂除杂是将凝絮剂与萃取液混合后凝絮沉淀, 去除沉 淀物得到的澄清溶液; 所述的大孔树脂吸附、 分离、 纯化为用大孔树脂对所述 的澄清溶液进行吸附, 对所述的大孔树脂与提取物进行分离, 干燥后得到含有 总黄酮的提取物。
8、 根据权利要 7 所述的用于降血糖、 降血脂、 控制糖尿病并发症的组合 物, 其特征在于: 所述的乙醇提取是在 度为 35-85 Ό的条件下进行的。
9、 根据权利要求 6 所述的用于降血糖、 降血脂、 控制糖尿病并发症的组 合物, 其特征在于: 所述的葛根总黄酮、 鱼腥草总黄酮、 鬼箭羽总黄酮为由原 料葛根、 鱼腥草、 鬼箭羽三种组份按所述的重量配比混合后, 再依次进行乙醇 提取、 凝絮剂除杂及大孔树脂吸附、 分离、 纯化后得到的混合提取物, 所述的 混合提取物中总黄酮的总重量含量为 10-85 % ;
其中,所述的乙醇提取为将原料放在浓度为 5-95 %的乙醇溶液中浸泡后得 到萃取液; 所述的凝絮剂除杂是将凝絮剂与萃取液混合后凝絮沉淀, 去除沉淀 物得到澄清溶液; 所述的大孔树脂吸附、 分离、 纯化为用大孔树脂对所述的澄 清溶液进行吸附得到提取物, 再将所述的大孔树脂与提取物进行分离, 干燥后 得到含有总黄酮的混合提取物。
10、 根据权利要求 9所述的用于降血糖、 降血脂、 控制糖尿病并发症的组 合物, 其特征在于: 所述的乙醇提取是在温度为 35- 85 的条件下进行的。
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CN103239495A (zh) * 2012-02-08 2013-08-14 江立富 卫矛总黄酮在抗过敏药剂或化妆品中的应用及制备
CN103417613A (zh) * 2013-08-13 2013-12-04 吴中区胥口精益生物医药研究所 一种降血糖的复合精华素及其提取工艺
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