scholarly journals A REVIEW ON POTENTIAL BIOACTIVE CHEMICAL FROM RAUWOLFIA SERPENTINA: RESERPINE

2021 ◽  
Vol 12 (1) ◽  
pp. 106-109
Author(s):  
Mukul Srivastava ◽  
Shikha Kesharwani ◽  
Roohi Kesharwani ◽  
Dilip K Patel ◽  
S N Singh

The drug Rauwolfia serpentina is known to Indian system of medicine since last many centuries. Because of snake like shape of drug, it has been known as sarpgandha. Although Rauwolfia serpentina contain more than 50 alkaloids but Reserpine is the principal alkaloid of Rauwolfia serpentina. Reserpine has a success application in antihypertensive even at a smaller dose. Rhizomes of Rauwolfia serpentine also have hepatoprotective activity including antihypertensive, hepatoprotective, Rauwolfia serpentina have many other medicinal uses like: Antidiahoerreal, antipsychotic, sedative, anticancer (in breast) etc. Although Rauwolfia serpentina contains major four Indole alkaloids but main object of this context is to provide knowledge about the main active alkaloid Reserpine, having more concentration in the root of plant, play a major role in antihypertensive activity of Rauwolfia serpentina. A much lesser dose of Reserpine is required to provide an antihypertensive effect otherwise it can cause some serious adverse effect like- lethargy, sedation, psychiatric depression, hypotension, nausea, bradycardia, bronchospasm and withdrawal psychosis. Because of its potent activity Reserpine is still used as antihypertensive and sedative agent.

Author(s):  
El-Ouady Fadwa ◽  
Mohamed Eddouks

Aims: The aim of the study was to investigate experimentally the antihypertensive effect of Ruta Montana. Background: Ruta montana L. is traditionally used in Moroccan herbal medicine to treat hypertension. This study aimed to evaluate experimentally the hypotensive and vasoactive properties of this plant. Objective: The objective of the study was to evaluate the effect of the aqueous extract of Ruta Montana on blood pressure parameters in LNAME-induced hypertensive rats and to determine the vasorelaxant activity of this aqueous extract. Methods: The antihypertensive effect of the aqueous extract obtained from Ruta montana aerial parts (RMAPAE) (200 mg/kg) was evaluated in normal and anesthetized hypertensive rats. Blood pressure parameters (systolic blood pressure (SBP), mean blood pressure (MBP) and diastolic blood pressure (DBP)) and heart rate were measured using a tail-cuff and a computer-assisted monitoring device. The acute and chronic effect of RMAPAE was recorded during 6 hours for the acute experiment and during 7 days for the sub-chronic test. In the other set, the vasorelaxant effect of RMAPAE on the contractile response was undertaken in isolated thoracic aorta. Results: The results indicated that RMAPAE extract significantly decreased SBP, MBP, DBP and heart rate in L-NAMEinduced hypertensive rats. Furthermore, RMAPAE was demonstrated to induce a dose dependent relaxation in the aorta precontracted with Epinephrine or KCl. More interestingly, this vasorelaxant activity of RMAPAE seems to be probably mediated through the prostaglandins pathway. Conclusion: The present study illustrates the beneficial action of Ruta montana on hypertension and supports then its use as an antihypertensive agent.


1975 ◽  
Vol 48 (2) ◽  
pp. 147-151
Author(s):  
C. S. Sweet ◽  
M. Mandradjieff

1. Renal hypertensive dogs were treated with hydrochlorothiazide (8−2 μmol/kg or 33 μmol/kg daily for 7 days), or timolol (4.6 μmol/kg daily for 4 days), a potent β-adrenergic blocking agent, or combinations of these drugs). Changes in mean arterial blood pressure and plasma renin activity were measured over the treatment period. 2. Neither drug significantly lowered arterial blood pressure when administered alone. Plasma renin activity, which did not change during treatment with timolol, was substantially elevated during treatment with hydrochlorothiazide. 3. When timolol was administered concomitantly with hydrochlorothiazide, plasma renin activity was suppressed and blood pressure was significantly lowered. 4. These observations suggest that compensatory activation of the renin-angiotensin system limits the antihypertensive activity of hydrochlorothiazide in renal hypertensive dogs and suppression of diuretic-induced renin release by timolol unmasks the antihypertensive effect of the diuretic.


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Mohammad Alshuniaber ◽  
Omar Alhaj ◽  
Qasem Abdallah ◽  
Haitham Jahrami

Purpose This study aims to investigate the antihypertensive effect of camel milk hydrolysate in rats with fructose-induced hypertension. Design/methodology/approach The antihypertensive effect of fermented camel milk was determined using 6 groups comprising 36 Wistar male rats. Blood pressure of rats was altered via exposure to a 10% fructose (w/v) diet in drinking water for 3 weeks before conducting 21 days of treatment. The authors conducted the experiment for short and long term using different doses of 800 and 1,200 mg/kg body weight. Serum was used to assay total cholesterol (TC), triglyceride (TG), glucose and insulin levels using standard biochemical kits. Findings The group that received 1,200 mg hydrolysate camel milk (HM) has significantly (p = 0.003) reduced systolic and diastolic blood pressure after a short exposure time (4–8 h). These effects were significantly (p = 0.005) comparable to the nifedipine (NIF) drug group. Similar long-term (21 days) effects on blood pressure were observed in 1,200 mg HM and NIF groups. Angiotensin-converting enzyme (ACE) activity and levels were also reduced in a correlation with blood pressure reduction only in HM1200 and HM800 treated groups. The authors observed no significant effect on blood pressure in groups receiving the 800 mg HM or 1,200 mg unhydrolyzed camel milk (UM). Rats receiving the 10% fructose diet showed significant differences from control rats regarding their blood biochemistry, including TG, TC, blood glucose and insulin levels. Rats in groups NIF, HM1200 and HM800 showed a significant (p < 0.05) reduction in serum glucose, insulin, TG and TC levels toward the baseline level. Research limitations/implications Further mechanistic investigation on the HM antihypertensive activity is highly recommended before suggesting HM as a product to reduce blood pressure. While drug–food interaction between HM and antihypertensive drugs, especially ACE inhibitors, is probable, UM seems not to affect blood pressure or ACE activity and therefore is expected to have no or minimal effects on the activity of other antihypertensive drugs. Investigation of ACE expression from various organs including lungs and leukocytes is highly recommended in future works using sodium dodecyl-sulfate polyacrylamide gel electrophoresis and western blot analysis or reverse transcription polymerase chain reaction. Originality/value No previous studies have measured the antihypertensive activity of milk hydrolysate mediated by the reduction of ACE activity and levels in plasma. Mechanisms involved in attenuating the levels of ACE warrant further investigation.


1993 ◽  
Vol 71 (12) ◽  
pp. 2201-2203 ◽  
Author(s):  
Heike Falkenhagen ◽  
Joachim Stöckigt ◽  
INNA N. Kuzovkina ◽  
Irina E. Alterman ◽  
Heinz Kolshorn

Three minor indole alkaloids have been isolated from "hairy roots" of Rauwolfia serpentina Benth.: 3-epi-α-yohimbine (1), 18β-hydroxy-3-epi-α-yohimbine (2), and 12-hydroxyajmaline (3). The latter compound (3) is a novel alkaloid. The alkaloid structures have been determined by spectroscopic data.


2011 ◽  
Vol 343-344 ◽  
pp. 698-706
Author(s):  
Yu Hao Zhang ◽  
Liang Ma ◽  
Qiang Wang

Hydrolysates of peanut protein from low denatured peanut dregs, which inhibit the angiotensinⅠconverting enzyme (ACE) were prepared by enzymic hydrolysis with Alcalase and N120p that are two proteases available for industrial use. Combination of Alcalase and N120p hydrolyzed peanut proteins most efficiently and the hydrolysates showed the most high activity (IC50=0.548 mg/ml). Sequential ultrafiltration of the hydrolysates with MW cut-off 10, 5 and 1KD resulted in increased activity of each filtrate up to IC50 of 0.255 mg/ml. Sephadex G-15 gel chromatography of the oligopeptides below MW 1KD eluted a peptide fraction of the most potent activity (IC50=0.091 mg/ml). the oligopeptide below MW 1 KD competitively inhibited ACE and it was evaluated for antihypertensive effect in spontaneously hypertensive rats (SHRs) following oral administration. Systolic blood pressure (SBP) significantly decreased after peptide ingestion and higher dose of peanut oligopeptides could not induce occurrence of low blood pressure.


Author(s):  
O. A. Bieda ◽  
I. I. Konvaliuk ◽  
L. P. Mozhylevska ◽  
S. S. Lukashov ◽  
V. A. Kunakh ◽  
...  

Cardiovascular diseases are the most common human diseases, hence, the production of cardiological (in particular, anti-arrhythmic) medications from the natural sources is an ever-actual task. Rauwolfia serpentina Benth. is a tropical fruticose plant that is able to produce and concentrate indole alkaloids, especially ajmaline and its derivatives, which are the most effective medications against ventricular arrhythmia with low side effects. Aim of the study. Determination of the qualitative and quantitative content of indole alkaloids in cell biomass of Rauwolfia serpentina tissue culture, obtained by the prolonged in vitro growth. Materials and methods. Object: cell biomass of Rauwolfia serpentina tissue culture (K-27 strain), obtained by methods of long-term cell selection in vitro. Alkaloids content determination: TSQ Vantage LC-MS (ThermoFischer Scientific). Results. 20 indole alkaloids are found in cell biomass of Rauwolfia serpentina tissue culture (K-27 strain). The highest content is registered for ajmaline and its derivatives (0.690 % mass. for ajmaline). The contents of reserpine and yohimbine were found to be as low as 0.009 % and 0.020 %, respectively. Conclusions. It is established that the content of indole alkaloids is higher in K-27 strain in comparison to natural plant and is stable over more than 30 years of its growth. Total alkaloids content was found to be 2.8 % of dry cell biomass, and total ajmaline-type alkaloids content (including ajmaline) was found to be 1.6 % of dry cell biomass. In contrast, the total alkaloid contents in the natural plant material is reported to be in the range of 0.8–1.3 %.


Author(s):  
Chaudhari Pankaj M ◽  
Baviskar Dheeraj T ◽  
Mahajan Sachin N

 Objective: Hypertension an important global health challenge is the prevalent cause of cardiovascular disease. Natural products are emerging as new therapeutic tools in the management of hypertension due to side effects and the patient’s adherence of the existing treatments. In the present study, we investigated the antihypertensive effect of the Punica granatum juice in deoxycorticosterone acetate (DOCA)–salt model of hypertension in rats.Methods: Antihypertensive activity was evaluated in P. granatum juice extract (PGJ) (PJ-100 mg/kg and 300 mg/kg; p.o.) for 4 weeks in DOCA treated rats. Blood pressure by non-invasive (indirect) method and invasive method was measured. Further, vascular reactivity to noradrenaline (1 μg/kg), adrenaline (1 μg/kg), phenylephrine (1 μg/kg), serotonin (1 μg/kg), and angiotensin II (25 ng/kg) was recorded. Antioxidant studies such as thiobarbituric acid reactive substances (TBARS); while enzyme activity of superoxide dismutase (SOD), catalase (CAT), and glutathione reductase (GSH) in kidney tissue was also carried out.Results: Administration of PGJ (PJ-100 mg/kg and 300 mg/kg; p.o.) for 4 weeks in DOCA treated rats significantly (p<0.05) reduced the mean arterial blood pressure and vascular reactivity changes to various catecholamines. PJ treatment significantly (p<0.05) decreased the levels of TBARS; while enzyme activity of SOD, CAT, and GSH in kidney tissue was significantly increased.Conclusion: Results of the present work suggest that PGJ has an antihypertensive action in unilateral nephrectomized DOCA-salt hypertensive rats and could be possible starting point for treatment of hypertension with increased patient adherence.


2005 ◽  
Vol 1 (1) ◽  
pp. 82-88 ◽  
Author(s):  
Ajay K. Gupta ◽  
Havagiray Chitme ◽  
Sujata K. Dass ◽  
Neelam Misra

1990 ◽  
Vol 31 (46) ◽  
pp. 6693-6696 ◽  
Author(s):  
Leo Polz ◽  
Joachim Stöckigt ◽  
Hiromitsu Takayama ◽  
Naoki Uchida ◽  
Norio Aimi ◽  
...  

Author(s):  
UMERA BEGAM AK ◽  
SENTHILKUMAR R ◽  
SIRAJUDEEN J

Objective: Ayurveda and Chinese pharmacopeia have highlighted the traditional medicinal uses of Solanum torvum Sw. The fruits are ethnomedical used in the treatment of liver and spleen enlargement, cough, and also used as a hematopoietic, antimicrobial, and analgesic agent. In the present study, the amelioration of acetaminophen (APAP)-induced hepatotoxicity of the aqueous extract of S. torvum Sw. fruits is evaluated. Methods: The hepatoprotective activity of the fruit extract against APAP insult was evaluated by assessing it is in vivo antioxidants status, membrane-bound adenosine triphosphatases (ATPases), and tricarboxylic acid (TCA) cycle marker enzymes and also through histopathological studies of the liver. Results: Administration of the aqueous fruit extract of the plant caused a significant increase in the in vivo antioxidant status as evident from the reduction in lipid peroxidation caused by APAP and improvement in the mitochondrial membrane stability which is proved from the activity of membrane-bound ATPases and TCA cycle marker enzymes. Histological studies also supported the fact that the plant extract proved to revive the architecture of the toxin damaged liver tissues in par with silymarin. The chemical pathological changes were consistent with histopathological observations suggesting marked hepatoprotective effect of the aqueous extract of S. torvum. Conclusion: The results showed that the extract of S. torvum Sw. fruits has hepatoprotective potential which may be due to the antioxidant activity of its phytoconstituents, especially flavonoids, alkaloids, phenolics, etc.


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