CN102836282A - Application of folium lycii total flavone extract - Google Patents
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Abstract
The invention belongs to the technical field of deep processing of folium lycii, and particularly relates to a novel application of folium lycii total flavone extract in preparation of food additive, health product or drug for lowering blood pressure, blood sugar and blood lipid, namely new application of the folium lycii total flavone extract as additive in preparation of food, health product or drug for treating or preventing hypertension, hyperlipidemia and hyperglycemia. Addition amount of the folium lycii total flavone extract in food, health product or drug for treating hypertension, hyperlipidemia and hyperglycemia is 0.5-100 wt%. According to the invention, new application of the folium lycii total flavone extract in having effects on lowering blood pressure, blood sugar and blood lipid is found. The invention provides a treatment option for patients of hypertension, hyperlipidemia and hyperglycemia, the folium lycii total flavone extract has effective application in the products for treating or preventing hypertension, hyperlipidemia and diabetes, and folium lycii resource is used sufficiently and effectively.
Description
One, technical field:The invention belongs to the deep development and the applied technical field of Folium Lycii, particularly a kind of Folium Lycii extractive of general flavone possesses the purposes on food additive, health product or the medicine of blood pressure lowering, blood sugar lowering or blood fat reducing function in preparation.
Two, technical background:Fructus Lycii (
Lycium chinense.) be the perennial plant of Solanaceae Lycium, be distributed in the NORTHWEST CHINA area.Folium Lycii is commonly called as day smart grass, in tradition, mainly has kidney-tonifying sperm-generating, nourishing the liver in (Tibetans) medicine, an effect such as calm the nerves that makes eye bright, and claims the effect of Folium Lycii " have relieving restlessness benefit will to mend five kinds of strain and seven kinds of impairment, high aspiration gas removes pyretic toxicity, and the skin ulcer of loosing is swollen, except that wind makes eye bright " in the Compendium of Material Medica.According to research, the active component of Folium Lycii and Chinese wolfberry fruit basically identical, and on some nutrient even above Chinese wolfberry fruit.
The report of the pharmacological properties of Folium Lycii extractive of general flavone is less.The pharmacologically active of the Folium Lycii extractive of general flavone of finding now only rests on the level of antioxidant activity.Zou Yaohong etc. have isolated 5 kinds of flavone compounds in the Folium Lycii, are respectively 5,7; 3 '-trihydroxy-6,4 ', 5 '-trimethoxy flavone, acacetin (4 '-methoxyl group-5; The 7-dihydroxyflavone), acacetin-7-O-α-L-rhamanopyranosyl (1 → 6)-β-D-glucoside, luteolin (5,7,3 '; 4 '-kaempferol) and rutin, luteolin antioxidative activity is stronger in these 5 kinds of flavone compounds, is superior to a synthetic type antioxidant 3; 5-di-t-butyl-4-hydroxymethyl benzene (analytical test journal, 2002,21 (1): 76-78).At present do not find that as yet the Folium Lycii extractive of general flavone has the report of blood sugar lowering, blood fat reducing or hypotensive effect.
Hyperlipidemia (hyperlipidemia) is that lipid metabolism or running make one or more lipids of blood plasma be higher than normal disease unusually.Hyperlipidemia is a kind of systemic disease, refers to that T-CHOL in the blood (TC) and/or triglyceride (TG) are too high or HDL-C (HDL-C) is low excessively, and modern medicine is referred to as dyslipidemia.Lipid is insoluble or be slightly soluble in water, must exist with the lipoprotein form with protein bound, and therefore, hyperlipidemia is also referred to as hyperlipoproteinemia usually.Hyperlipidemia is the main hazard factor that causes human atherosclerosis.Atherosclerosis as common has: coronary heart disease (comprising myocardial infarction, angina pectoris and sudden death), cerebral infarction and peripheral vessels thrombotic disease.The sickness rate of these cardiac and cerebral vascular diseases is high, and harm is big, and disease progression is dangerous, and its mortality rate accounts for about the half of human general mortality rate.
Diabetes (diabetes) are to act on that body causes hypoinsulinism, insulin resistant etc. and a series of metabolism disorder syndromes such as the sugar that causes, protein, fat, power and water Xie Zhi by inherited genetic factors, immunologic function disorder, infected by microbes and toxin thereof, free radical toxin, Nervous and Mental Factors or the like various virulence factors, are main feature clinically with the hyperglycemia.Diabetes can cause infection, heart change, cerebrovascular disease, renal failure, lose the sight of both eyes, lower limb gangrene etc. and become deadly major cause of morbidity.The diabetes height oozes the serious acute complication that syndrome is diabetes, and the starting stage can show as polyuria, polydipsia, fatigue and weakness, bradykinesia etc.Along with the increase state of an illness of body fluid loss sharply develops, drowsiness, disorientation appears, epileptic is twitched the symptom of similar apoplexy such as hemiplegia, even stupor.
Hypertension (hypertensive disease) is a kind of chronic disease that serves as main performance with the lasting rising of arteriotony, often causes the pathological changes of vitals such as the heart, brain, kidney and serious consequence occurs.Secular hypertension can promote atherosclerotic formation and development.The coronary atherosclerosis meeting is blocked or is made the lumen of vessels stenosis narrow, or causes coronary heart disease because of the functional change of coronary artery causes myocardial ischemia-anoxemia, necrosis.When if hyperpietic's cerebral arteries hardens to a certain degree, can be very easy to cause apoplexy.Severe hypertension patient's blood pressure has surpassed the automatic range of accommodation of cerebral blood flow, and cerebral tissue too much causes cerebral edema because of blood perfusion.Sings and symptoms with encephalopathy is characteristics clinically, shows as that diffusivity is seriously had a headache, vomiting, disturbance of consciousness, mental disorder, and is serious even can go into a coma and twitch.The expense that is used for hypertension treatment in China every year is up to 36,600,000,000 yuan, and hypertension has been brought white elephant for family and country.
The report of also in food additive, health product and the medicament preparation process of treatment/prophylaxis of hypertension disease, high fat of blood, hyperglycemia, not using at present about the Folium Lycii extractive of general flavone.
Three, summary of the invention:
The purpose of this invention is to provide the purposes of above-mentioned Folium Lycii extractive of general flavone in food additive, health product and the medicament preparation process of treatment/prophylaxis of hypertension disease, high fat of blood, hyperglycemia; Making this cheap article of Folium Lycii is that the mankind prevent and cure diseases and the health care aspect of health provides powerful material and technical support; Society brings benefit to the mankind; Efficiently make full use of Folium Lycii, economic and social benefit very significantly.
Applicant of the present invention has applied for another part " Folium Lycii extractive of general flavone and preparation method thereof " on the same day in the applying date of the present invention; The Folium Lycii extractive of general flavone of this invention is that employing is prepared as follows method preparation and next; Its preparation method is that the mixture of a kind of of water, moisture or water-free methanol, ethanol, acetone, ethyl acetate, n-butyl alcohol or other liquid organic compound or several kinds makes to extract solvent; With Folium Lycii or its powder: the weight ratio of extracting solvent and be 1:5-30 is carried out proportioning; Mix the Folium Lycii after the proportioning or its powder with the extraction solvent; Through soaking, decoct or reflux, extract,, filter and remove residue, concentrating and reclaim organic reagent and get extractum, then extractum is carried out separation and purification and get the Folium Lycii extractive of general flavone again.Isolation and purification method has three kinds; They are respectively: 1. adopt the mixture as solvent a kind of or several kinds of acetone, ethyl acetate, n-butyl alcohol or other liquid organic compound that extractum is extracted; After reclaiming organic solvent, remove remaining water and solvent again through vacuum drying, spray drying or lyophilization and get the Folium Lycii extractive of general flavone; 2. adopt adsorbent resin that extractum is carried out column chromatography; Select the flavonoid developer to detect effluent in the upper prop process arbitrarily to confirm whether resin adsorbs saturated; Before and after respectively use for twice the ethanol volumetric concentration of water, the 0.5-5 times column volume of 1-5 times of column volume to be the ethanol water washing of 1-99%; Reuse 3-10 times of resin column volume of ethanol volumetric concentration is the ethanol water eluting of 1-99%; Concentrate, and concentrated solution is carried out vacuum drying, spray drying or lyophilization remove remaining water and solvent and get the Folium Lycii extractive of general flavone; 3. with mineral acid the pH value of extractum is transferred to 0.1-3, under 0-42 ℃, leave standstill, sediment separate out and dry sediment are removed remaining water and solvent and are got the Folium Lycii extractive of general flavone.
Technical scheme is: in the further investigation of carrying out " Folium Lycii extractive of general flavone and preparation method thereof "; Research work has in large quantities been carried out in special application to ' Folium Lycii extractive of general flavone '; Folium Lycii extractive of general flavone new purposes as the additive use in food, health product and the medicament preparation process of treatment or prophylaxis of hypertension disease, high fat of blood, hyperglycemia has been found in research; The weight content of additive Folium Lycii extractive of general flavone in food, health product and the medicine of treatment or prophylaxis of hypertension disease, high fat of blood, hyperglycemia is 0.5-100%; That is to say that additive Folium Lycii extractive of general flavone can not add other anything direct use in the medicine of treatment hypertension, high fat of blood, hyperglycemia, also can add of food, health product and the medicine use of other thing again as treatment or prophylaxis of hypertension disease, high fat of blood, hyperglycemia.
Folium Lycii extractive of general flavone provided by the present invention is meant and adopts any method from the plant Folium Lycii, to extract to obtain; With the extract of flavone compound as main component (or main functional component); In this extract, the gross weight sum of flavone compound accounts for the 1%-100% of extract gross weight.Described flavone compound is meant that chemical constitution belongs to chemical compound and they and the monosaccharide of flavonoid, flavonols, flavanone, anthocyan, flavanol compound, two benzene pyrrones, osajin, chalcones, dihydrochalcone-type, aurones class, homoisoflavone class or the derivant that oligosaccharide forms.Content ratio in the extract between the various flavone compounds can be consistent with the content ratio in the natural plants, also can be not quite similar with the content ratio in the natural plants.Provided by the invention is that food, health product and the medicine of the treatment that makes of additive or prophylaxis of hypertension disease, high fat of blood, hyperglycemia can be itself and pharmaceutically available carrier and/or diluent and adjuvant with the Folium Lycii extractive of general flavone, is tablet, sugar coated tablet, pill, capsule, injection, suppository, unguentum, the powder formulation that can be inhaled into use, suspension, cream and ointment.
Folium Lycii extractive of general flavone blood fat reducing experiment
Receive the reagent thing: the Folium Lycii extractive of general flavone aqueous dispersions (HZH) of three groups of different quality concentration.
Positive control drug: XUEZHIKANG JIAONANG, the Beijing WBL Peking University Biotech Co., Ltd produces, commercially available finished product.
Animal: the SD rat, the SPF level, male and female half and half, body weight 180-220g, Qinghai Province Disease Control and Prevention Center provides.
High lipid food: Adeps Sus domestica 12%; Cholesterol 2%; Propylthiouracil 0.2%; No. 3 cholate 0.5%; Normal diet powder 85%.The mass ratio of various compositions fully mixes each composition more than pressing, and the reuse machine stirs, and is pressed into round strip particle, uses Co
60Behind the irradiation sterilization, preserve in shady and cool dry place sealing.
Chemical reagent and detecting instrument: ethanol, Tianjin Chemical Manufacture all generations.The AU5421 automatic clinical chemistry analyzer, Olympus Corp produces.BECKMAN
TM30 low-temperature and high-speed centrifuges, U.S. BECKMAN company produces.Ten thousand/balance, German Mettler Toledo Inc. produces.
Experimental technique: every group of 10 animals, male and female half and half.Except that normal group, other each group all replaces normal feedstuff feeding with high lipid food, about every day every 20g.Normal group and model control group are irritated stomach disinfectant tap water, and other organize the medicine aqueous dispersions of the corresponding concentration of filling stomach as shown in table 1, and irritating the stomach amount is the 1mL/100g rat body weight.Above animal begins from modeling, three weeks of continuous irrigation stomach.To the end of the experiment the night before the last drug Bing fasting, can not help but water, the next morning, after anesthesia, abdominal aortic blood for lipid five test.Experimental result is carried out statistical analysis with Origin 8.5 statistical softwares.
Experimental result:
1, respectively organizes the variation of the body weight of experimental group rat
Table 1 is respectively organized the variation of the body weight of experimental group rat
| Group | The 1st day | The 8th day | The 15th day | The 21st day | The 22nd day on an empty stomach |
| HZH 100mg/Kg | 192±16 | 207±17 | 217±21 | 225±24 | 207±15 |
| HZH 200mg/Kg | 193±14 | 203±18 | 211±18 | 216±21 | 204±14 |
| HZH 300mg/Kg | 191±12 | 201±16 | 206±22 | 215±22 | 204±11 |
| The Xuezhikang group | 193±13 | 197±17 | 211±24 | 215±23 | 206±14 |
| Model control group | 193±12 | 211±19 | 211±15 | 211±21 | 206±13 |
| The normal control group | 192±13 | 242±22** | 266±31** | 286±34** | 251±28** |
Annotate: * * and model group be p < 0.01 relatively
2, feed consumption
Table 2 is respectively organized feed consumption (N=10, the unit: g) of rat
| Group | The food consumption total amount | The feedstuff average consumption |
| HZH 100mg/Kg | 3367 | 336.7 |
| HZH 200mg/Kg | 3282 | 328.2 |
| HZH 300mg/Kg | 3212 | 321.2 |
| The Xuezhikang group | 3495 | 349.5 |
| Model control group | 3434 | 343.4 |
| The normal control group | 5234 | 523.4 |
3, blood fat assay
Table 3 rat fat assay (N=10, the mmol/L of unit)
| Group | Triglyceride | T-CHOL | High density lipoprotein | Low density lipoprotein, LDL | VLDL |
| HZH 100mg/Kg | 0.76±0.56 | 8.21±3.87 | 1.11±0.21 | 6.79±2.75 | 0.76±0.14 |
| HZH 200mg/Kg | 0.64±0.43 | 7.76±3.39 | 1.13±0.43 | 5.65±1.81 | 0.65±0.16 |
| HZH 300mg/Kg | 0.67±0.48 | 7.91±2.71 | 0.91±0.21 | 5.91±1.09 | 0.63±0.19 |
| The Xuezhikang group | 0.95±0.44 | 18.6±7.03 | 2.49±1.12 | 15.2±7.87 | 1.42±1.03 |
| Model control group | 1.46±0.59 | 23.8±8.43 | 2.87±1.76 | 18.6±4.61 | 1.22±0.89 |
| The normal control group | 0.31±0.11 | 1.15±0.96 | 0.91±0.11 | 0.35±0.11 | 0.19±0.02 |
Annotate: 1, each administration group is compared with model group, and all there were significant differences.
2, T-CHOL=low density lipoprotein, LDL+high density lipoprotein+VLDL
Experiment conclusion:
1, the rats in normal control group body weight is respectively organized the body weight of rat apparently higher than other after testing the 8th day.Each medication group rat body weight is compared with model group does not have significant difference, but is far smaller than the body weight of normal rats, possibly be because food rich in fat causes fatty liver to influence the feed of rat.
2, the feeding amount of normal rats is significantly higher than other group rats, and this is because other group rats are because food rich in fat forms fatty liver, thereby has a strong impact on food-intake.
3, compare with model group, taking in food rich in fat continuously after 21 days, model group rat blood serum triglyceride, T-CHOL, high density lipoprotein, low density lipoprotein, LDL and VLDL content significantly rise.And the above-mentioned serum index of medication group significantly is lower than model group.
Can draw from above-mentioned experimental result, the Folium Lycii extractive of general flavone can significantly reduce the blood fat of long-term absorption food rich in fat rat, has significant blood fat reducing function.
The hypoglycemic activity experiment of Folium Lycii extractive of general flavone
Receive the reagent thing: the Folium Lycii extractive of general flavone aqueous dispersions (HZH) of three groups of different quality concentration.
Positive control drug: diformin tablet, White Cloud Mountain, Guangzhou pharmaceutical factory, commercially available finished product.
Animal: the Wistar rat, the SPF level, male and female half and half, Qinghai Province Disease Control and Prevention Center provides.
Chemical reagent and detecting instrument: ethanol, Tianjin Chemical Manufacture all generations.The AU5421 automatic clinical chemistry analyzer, Olympus Corp produces.BECKMAN
TM30 low-temperature and high-speed centrifuges, U.S. BECKMAN company produces.Ten thousand/balance, German Mettler Toledo Inc. produces.
Experimental technique: every group of 10 animals, male and female half and half.Except that normal group, other each groups are all used streptozotocin to carry out lumbar injection with 40mg/Kg and are built up diabetes model.Normal group and model control group are irritated stomach disinfectant tap water, and other organize the medicine aqueous dispersions of the corresponding concentration of filling stomach as shown in table 4, and irritating the stomach amount is the 1mL/100g rat body weight.Above animal begins from modeling, 11 weeks of continuous irrigation stomach.Get blood with capillary tube method from eye socket in the 6th, 8,10,11 weeks, measure blood sugar content with the Olympus automatic clinical chemistry analyzer.Experimental result is carried out statistical analysis with Origin 8.5 statistical softwares.
Experimental result:
Table 4 Folium Lycii extractive of general flavone is to the influence (mmol/L) of blood glucose in diabetic rats concentration
| Group | The 6th week | The 8th week | The 10th week | The 11st week |
| HZH 100mg/Kg | 8.5±0.6 | 8.4±0.2 | 8.5±0.4 | 7.1±0.5 |
| HZH 200mg/Kg | 8.9±0.5 | 7.3±0.4 | 8.1±0.9 | 8.7±0.4 |
| HZH 300mg/Kg | 8.1±0.9 | 7.7±0.5 | 8.1±0.4 | 8.4±0.3 |
| Metformin group 200mg/Kg | 8.1±0.4 | 7.6±0.4 | 7.7±0.5 | 7.5±0.6 |
| Model control group | 8.6±0.2 | 10.3±0.5 | 12.5±0.4 | 13.3±0.5 |
| The normal control group | 4.5±0.4 | 4.6±0.3 | 4.5±0.4 | 4.5±0.6 |
Annotate: the blood sugar concentration of each Folium Lycii extractive of general flavone treated animal and the blood sugar concentration of model group animal relatively have significant difference after the 8th week and the 8th week, are starkly lower than model group.But Folium Lycii extractive of general flavone group and metformin group do not have significant difference.
Experiment conclusion: 1, each experimental group rat is through the lumbar injection of streptozotocin; Blood sugar concentration is apparently higher than normal rats; Explain that streptozotocin has selectively destroyed the islet cells of rat, it is not enough to cause insulin to produce, and has caused the symptom of hyperglycemia.
2, after the 8th week; The blood sugar concentration of model group rat significantly increases; But each group of Folium Lycii extractive of general flavone but can be with glycemic control a medium level, and blood sugar decreasing effect is suitable with the positive drug metformin, shows that the Folium Lycii extractive of general flavone has hypoglycemic activity.
The blood pressure lowering experiment of Folium Lycii extractive of general flavone
Receive the reagent thing: the Folium Lycii extractive of general flavone aqueous dispersions (HZH) of three groups of different quality concentration.
Positive control drug: captopril, White Cloud Mountain, Guangzhou pharmaceutical factory, commercially available finished product.
Animal: the SHR rat, male and female half and half, Qinghai Province Disease Control and Prevention Center provides.
Chemical reagent and detecting instrument: ethanol, Tianjin Chemical Manufacture all generations.The rat blood pressure meter, the good science and technology limited Company of Beijing Cohan.BECKMAN
TM30 low-temperature and high-speed centrifuges, U.S. BECKMAN company produces.Ten thousand/balance, German Mettler Toledo Inc. produces.
Experimental technique: every group of 10 animals, male and female half and half.Normal rats is healthy rat, and the rat of other groups is the hypertension model rat.Normal group is irritated stomach disinfectant tap water and positive drug captopril aqueous dispersions with positive group, and other organize the medicine aqueous dispersions of the corresponding concentration of filling stomach as shown in table 5, and irritating the stomach amount is the 1mL/100g rat body weight.Above animal begins from modeling, disposable administration.Decided rat blood pressure in the 0th, 2,4,6,8 hour with the rat blood pressure instrumentation.Experimental result is carried out statistical analysis with Origin 8.5 statistical softwares.
Table 5 Folium Lycii extractive of general flavone is to the influence (mmHg) of blood glucose in diabetic rats concentration
| Group | The 0th hour | The 2nd hour | The 4th hour | The 6th hour | The 8th hour |
| HZH 100mg/Kg | 183.9±13.4 | 163.8±11.2 | 151.4±12.5 | 154.4±15.7 | 161.2±14.2 |
| HZH 200mg/Kg | 184.5±10.6 | 158.7±16.8 | 151.5±11.4 | 153.2±16.3 | 166.2±15.8 |
| HZH 300mg/Kg | 182.7±12.6 | 151.9±14.4 | 152.5±16.6 | 151.3±13.9 | 161.5±17.7 |
| Captopril group 1.0mg/Kg | 183.3±13.1 | 162.7±11.9 | 153.1±10.1 | 161.4±11.9 | 172.7±11.4 |
| Model control group | 185.6±13.5 | 184.7±12.8 | 181.3±15.6 | 183.1±14.9 | 189.8±13.6 |
| The normal control group | 155.5±10.6 | 156.2±11.6 | 157.4±10.9 | 158.4±12.1 | 156.7±10.1 |
Annotate: the blood pressure of each Folium Lycii extractive of general flavone treated animal and the blood pressure of model group animal relatively had significant difference since the 2nd hour, were starkly lower than model group.But Folium Lycii extractive of general flavone group and Captopril group do not have significant difference.
Experiment conclusion: Hypertensive Rats disposable take the Folium Lycii extractive of general flavone after, obviously reduce since the 2nd hour blood pressure, blood pressure lowering effect is suitable with the positive drug captopril, the Folium Lycii extractive of general flavone has the effect of blood pressure lowering.
The present invention has following advantage: the present invention finds that first the Folium Lycii extractive of general flavone has the new purposes of blood sugar lowering, blood fat reducing and hypotensive activity; Select can on the one hand the new treatment of patient that above disease is arranged, significant to deeply developing the Folium Lycii resource on the one hand; Secondly the effective application of Folium Lycii extractive of general flavone provided by the invention in treatment or prevent diabetes, hyperlipidemia and hypertensive product, resource is efficiently made full use of, and economic and social benefit is very significantly.
Four, specific embodiments:
Embodiment 1: the new purposes that the Folium Lycii extractive of general flavone uses as additive in the medicament preparation process of treatment hypertension, high fat of blood, hyperglycemia, the weight content of additive Folium Lycii extractive of general flavone in the medicine of treatment hypertension, high fat of blood, hyperglycemia is 100%.
Embodiment 2: the Folium Lycii extractive of general flavone prepares in the process the new purposes of using as additive at prophylaxis of hypertension disease, high fat of blood, the food of hyperglycemia, health product, and additive Folium Lycii extractive of general flavone is 0.5% at the food of prophylaxis of hypertension disease, high fat of blood, hyperglycemia, weight content in the health product.
Embodiment 3: the new purposes that the Folium Lycii extractive of general flavone uses as additive in health product of treating hyperglycemia and medicament preparation process, additive Folium Lycii extractive of general flavone is 40% at the health product and the weight content in the medicine of treatment hyperglycemia.
Embodiment 4: the new purposes that the Folium Lycii extractive of general flavone uses as additive in food, health product and the medicament preparation process of treatment or prophylaxis of hypertension disease, high fat of blood, hyperglycemia, additive Folium Lycii extractive of general flavone treat or food, health product and the medicine of prophylaxis of hypertension disease, high fat of blood, hyperglycemia in weight content be 15%.
Embodiment 5: the new purposes that the Folium Lycii extractive of general flavone uses as additive in the medicament preparation process of treatment hypertension, high fat of blood, hyperglycemia; The weight content of additive Folium Lycii extractive of general flavone in the medicine of treatment hypertension, high fat of blood, hyperglycemia is 60%
Embodiment 6: the Folium Lycii extractive of general flavone prepares the new purposes of using as additive in the process at prophylaxis of hypertension disease, high fat of blood, the food of hyperglycemia, health product, and the weight content of additive Folium Lycii extractive of general flavone in food, health product and the medicine of prophylaxis of hypertension disease, high fat of blood, hyperglycemia is 6%.
Embodiment 7: the assay of Folium Lycii extractive of general flavone
The preparation of standard curve: accurately take by weighing rutin standard substance 10.0000mg and be dissolved in the alcoholic solution of 50% volume fraction, be settled to 25mL, obtain the rutin titer of 400 μ g/mL.Accurately measure above-mentioned rutin titer 0.0,0.5,1.0,1.5,2.0,2.5mL inserts in the 10mL volumetric flask, the alcoholic solution that adds 50% volume fraction is supplied 5mL, successively adds 5% NaNO
2With 10% Al (NO
3)
3Each 0.3mL, place 5min behind the mixing after, add 4%NaOH solution 4mL, use at last 50% volume fraction the ethanol water standardize solution, mixing is measured absorbance A in 510nm after placing 10min.Get standard curve regression equation: y=0.9803x+0.0015, R
2=0.09975.
Measure: accurately take by weighing the ethanol water that each 6.0000mg of Folium Lycii extractive of general flavone A and B is dissolved in 50% volume fraction, be settled to 10mL, get the liquid to be measured of 600 μ g/mL.
Accurately measuring above-mentioned liquid 1mL to be measured inserts in the 10mL volumetric flask; Step by in the standard curve making is measured absorbance A, and the flavones content that gets Folium Lycii extractive of general flavone A and B according to above-mentioned standard curve regression equation calculation is respectively: 68.3% and 89.2%.
Claims (2)
1. the purposes of a Folium Lycii extractive of general flavone; It is characterized in that the new purposes that the Folium Lycii extractive of general flavone uses as additive in food, health product and the medicament preparation process of treatment hypertension, high fat of blood, hyperglycemia, the weight content of additive Folium Lycii extractive of general flavone in food, health product and the medicine of treatment hypertension, high fat of blood, hyperglycemia is 0.5-100%.
2. the purposes of a Folium Lycii extractive of general flavone; It is characterized in that the new purposes that the Folium Lycii extractive of general flavone uses as additive in food, health product and the medicament preparation process of prophylaxis of hypertension disease, high fat of blood, hyperglycemia, the weight content of additive Folium Lycii extractive of general flavone in food, health product and the medicine of prophylaxis of hypertension disease, high fat of blood, hyperglycemia is 0.5-100%.
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| CN108159187A (en) * | 2018-01-22 | 2018-06-15 | 周学义 | A kind of method that flavones is extracted from wolfberry leaf |
| CN110236195A (en) * | 2019-07-05 | 2019-09-17 | 青海瑞湖生物资源开发有限公司 | A kind of health food and preparation method thereof with auxiliary hyperglycemic function |
| CN110250526A (en) * | 2019-07-05 | 2019-09-20 | 青海瑞湖生物资源开发有限公司 | A kind of health food and preparation method thereof with auxiliary lipid-lowering function |
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| 张华峰 ,杨晓华: "枸杞叶的生物活性成分及其在食品工业中的应用", 《食品工业科技》, vol. 31, no. 2, 28 February 2010 (2010-02-28), pages 369 - 373 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159187A (en) * | 2018-01-22 | 2018-06-15 | 周学义 | A kind of method that flavones is extracted from wolfberry leaf |
| CN110236195A (en) * | 2019-07-05 | 2019-09-17 | 青海瑞湖生物资源开发有限公司 | A kind of health food and preparation method thereof with auxiliary hyperglycemic function |
| CN110250526A (en) * | 2019-07-05 | 2019-09-20 | 青海瑞湖生物资源开发有限公司 | A kind of health food and preparation method thereof with auxiliary lipid-lowering function |
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| CN102836282B (en) | 2014-08-06 |
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