Products of plant origin – benefits and the potential risk for the consumer

2017 ◽  
Vol 86 (1) ◽  
pp. 47
Author(s):  
Monika Karasiewicz ◽  
Anna Bogacz ◽  
Jana Krzysztoszek ◽  
Daniel Pędziwiatr ◽  
Bogusław Czerny

Phytochemical compounds are widely used in traditional medicine in the treatment of many ailments. In recent years, an increasing interest is observed in the use of new natural bioactive substances and whole standardized extracts in the prevention and therapy of diseases. Some of these are the components of the diet, diet supplements or at higher doses are used as herbal medicines. Many phytochemicals have documented a beneficial effect on health, but they must be used properly. Therefore, it is important to inform about differentiating between herbal medicine and dietary supplement. Further, the possibility of interactions with synthetic drugs and the mechanisms of these effects is necessary to describe for the safety of phytotherapy. The goal of our paper is to show high prophylactic and medicinal potential of natural active compounds of plant origin. We also want to draw attention to the safety of their use by the consumer. Therefore, we present some studies on the benefical properties of natural active compounds, mainly in the prevention and treatment of cancers and neurodegenerative diseases. The results of the described studies are extensively discussed and their suitability for further testing in vivo and in clinical trials is examined. At the same time we show selected interaction of common medicinal plants or their raw materials with synthetic drugs.

2016 ◽  
Vol 2 (1 and 2) ◽  
pp. 73-78
Author(s):  
Mohammad Kamil

The Food and Drug Administration (FDA) is advising consumers to stop using multiple weight-loss products that contain the undeclared drug ingredients e.g. sibutramine, which was removed from the market in 2010 for safety reasons and may present significant risks for those with coronary artery disease and other heart issues. Sibutramine and similar undeclared ingredients in herbal medicines are a real challenge for the public health and safety. In recent years, the need for quality assurance tools to ensure the identity, purity, and quality of botanical material has risen dramatically. HPTLC has emerged as a versatile, high throughput, and cost-effective technology, that is uniquely suited to meet these requirements. Most separation techniques do not allow parallel analysis of numerous samples at the same time and they often face problems in separating complex mixtures of substances. However, visual evaluation of HPTLC plates allows for convenient comparison of many samples side by side, where similarities and differences can clearly be seen. The quality of raw materials is rapidly and easily determined by HPTLC. For the identification of herbal drugs and other naturally derived materials standardized HPTLC is the method of choice and recommended by pharmacopoeias worldwide, furthermore adulterated samples are reliably identified. The main objective of the present study is to check pharmaceutical analogue adulteration of nonprescription and prescription slimming products in the laboratory using chromatographic techniques and to discuss its side effects in the interest of consumers and public health safety. Since intentional adulteration of “natural herbalmedicines” with unknown synthetic drugs or chemicals is a common and dangerous phenomenon of alternative medicine, it is important to modify and validate analytical tools to monitor and evaluate these herbal drugs.


2020 ◽  
Vol 9 (1) ◽  
pp. 902-907

Disease can occur due to alterations in many physiological processes. A variety of factorsare known to be involved in the progression of cancer, a chronic diseasethat occurs due to permissible proliferative signaling, avoiding growth suppressors, resisting cell death, allowing replicative immortality, induction of angiogenesis, and inducing invasion and metastasis, along with reprogramming of metabolic pathways involved in energy production and avoiding the host immune response for cell destruction. Treatment of such a multifactorial disease has very less cure rate because of the singular agents tried in the past for targeting. Molecular level studies with deeper insight are urgently neededthat focus on the most promising herbal-derived bioactive substances for which thorough research was carried out in the literature in various data-bases such as PUB-MED, MEDLINE, SCOPUS indexed journals etc. to look for systematic reviews of the protocols or data interpretation, natural drug/immunological properties and validation. As immune system plays avery important role in the proliferation or suppression of cancer and other autoimmune diseases, It is the dire need to study the effect of such natural compound on the immune system so that a possible drug target or epitope can be identified for the treatment of such diseases. In nutshell there are many nonclinical in vitro and in vivo studies on herbal medicines which commonly supports the traditional therapeutic claims. It has been seen from the previos studies in literature that the yield and composition of bioactive compounds derived from plants are dependent upon the production source,culturing conditions and extraction protocols.Therefore appropriate optimization conditions would certainly assist the medical and scientific fraternity to accept herbal products as potential candidates for cancer treatment. In this article we explored the different natural products, their immunological effects concerning cancer with no or negligible side effects. However,one has to look for potential herb–drug or herb-epitope interactions and how immune system responds to such drugs.


2015 ◽  
Vol 17 (2) ◽  
pp. 185-193
Author(s):  
Puspa Dewi N Lotulung ◽  
Sri Handayani ◽  
Teni Ernawati ◽  
Tri Yuliani ◽  
Nina Artanti ◽  
...  

Herbal medicinal products would be affected by the quality of raw materials. In turn, the quality of raw material will also be influenced by various factors such as soil conditions, cultivation, post-harvest processing, and the processing of raw materials into crude drug or extract. Therefore, in order to make good herbal medicines, it is necessary to make standardization of herbal extracts that produced herbal medicines that have the same quality and functions of effectiveness in each process. From preliminary studies that have been done, Centella asiatica is one of the potential plants as a source of hepatoprotective compounds. Test in vivo and in vitro against Centella asiatica extracts have shown very good results. Ethyl acetate extract with 17.5 mg/kg of doses body weight and butanol 228.8 mg/kgof doses body weight has been applied for in vivo test using mice induced by CCl4; theydemonstrated hepatoprotective effects. Ethyl acetate extracts were able to reduce levels of the enzyme alanine aminotransferase (ALT) and aspartate aminotransferase (AST) by 56 % and 44 % respectively while butanol extract can reduce the enzymes AST levels by 3%. Standardizationof Centella asiatica extract performed in this study was the characterization of the extract in the form of non-specific and specific parameters corresponding to the reference of PPOMN (Ministry of health Republic of Indonesia, 2000) such as levels of drying shrinkage, ash content, total plate count microbial contamination, levels of water-soluble compounds, levels of compounds that are soluble in ethanol, phytochemical test, total phenolic content, total flavonoid content and the determination of Pb and Cd weight.The results showed that non-specific parameters for the ethanol extract of Centella asiatica were requirements based on Herbal Pharmacopoeia in 2008 which includes parameters such as determination of shrinkage on drying ≤ 10%, ash content ≤ 16.6% and negative microbial contamination. Specific parameters for the ethanol extract of Centella asiatica have met the requirements of Herbal pharmacopeia in 2008.Keywords: Centellaasiatica, hepatoprotective, standardized herbal medicine, specificparameters, and non-specific parameters


el–Hayah ◽  
2014 ◽  
Vol 5 (1) ◽  
pp. 23
Author(s):  
Ruri Siti Resmisari

<em>Traditional medicine "Subur Kandungan" is a medicine that is widely used and produced in Madura. The problem to develop Madura’s herb is raw material that hasn’t the standardized medicine used for Madura’s traditional medicine, because that raw materials are mostly purchased from traditional markets. This led to the standardization of Madura’s traditional medicine is difficult to do. This condition causes didn’t known active compounds contained in the Madura’s medicine. This study was conducted to determine the content of phytochemical compounds from ethanol extract medicine "Subur Kandungan" as well as antioxidant activity. Based on the results, it was concluded that the class of chemical compounds contained in the Madura’s traditional medicine "Subur Kandungan" are classified as a flavonoids and alkaloids, while the antioxidant activity of extracts of the medicine " Subur Kandungan " are expressed in IC<sub>50</sub> was at 90.19 ppm classified as a strong antioxidant.</em>


2020 ◽  
Vol 10 ◽  
Author(s):  
Saeid Heidari-Soureshjani ◽  
Catherine MT Sherwin

: Parasitic worm infections are a major health issue around the world, which causes numerous physiological damages in the patient's infected organ(s).The aim of this review was to investigate the anthelmintic properties of various medicinal plants.In this systematic review, all randomized controlled trials (RCTs), quasi-experimental and experimental studies that examining the anthelmintic effects were retrieved from databases including Institute for Scientific Information (ISI) and PubMed from 1988-2019 by interesting keywords.In vitro and in vivo studies have demonstrated that many medicinal plants, including their compounds and derivatives, have anthelmintic properties through various mechanisms of action (MOA). Examples of MOAs include paralysis of the helminths’ central nervous system, tegumental (outer body covering) destruction, interference with enzyme functioning, increased autophagy and apoptosis and reduction in cell viability and count. These actions lead to reduction in the helminth ability to reproduce, decrease in eggs count, inhibition of energy generation, damage to digestive tissues, lipid and ion accumulation, and change in and binding to different regulatory proteins and disruption of the helminth motor activity. These MOA can also be used for the treatment of parasitic worms. Medicinal plants and their compounds have been the primary sources of new therapeutics, and are comparably more cost-effective than synthetic drugs and provide effective methods to combat parasitic worms that have entered into the human body. Therapists must take into account the effective dose of these compounds in treating the patients and also consider their overall health status including comorbidities. There is an urgent need to conduct clinical trials using certain approaches, such as clinical interventional trials, to identify the effectiveness of herbal medicines in treating human host and zoonotic helminthic infections.


1989 ◽  
Vol 61 (03) ◽  
pp. 463-467 ◽  
Author(s):  
G M Smith

SummaryIn this study, 5-hydroxytryptamine (5-HT) caused a dose- dependent fall in the circulating platelet count suggesting that 5-HT receptors are activated in rat platelets to cause platelet adhesion and aggregation. When low doses of adenosine diphosphate (ADP) were simultaneously injected with 5-HT, there was a significant potentiation of the responses to ADR Ketanserin significantly reduced the potentiated responses. When higher doses of ADP were infused with bolus injections of 5-HT there was no potentiation and ketanserin did not reduce these responses. Ketanserin did not inhibit the collagen-induced fall in circulating platelet count, but did significantly increase the rate of return to the basal platelet count compared with control. 5-HT did not cause a fall in platelet count in guinea-pigs


1979 ◽  
Vol 42 (02) ◽  
pp. 603-610 ◽  
Author(s):  
J H Adams ◽  
J R A Mitchell

SummaryThe ability of potential anti-thrombotic agents to modify platelet-thrombus formation in injured cerebral arteries in the rabbit was tested. Low doses of heparin were without effect, while higher doses produced variable suppression of white body formation but at the expense of bleeding. Aspirin did not inhibit white body formation but another non-steroid anti-inflammatory agent, flurbiprofen was able to do so, as was the anti-gout agent, sulphinpyrazone. Magnesium salts both topically and parenterally, suppressed thrombus formation and increased the concentration of ADP which was required to initiate thrombus production at minor injury sites.


1986 ◽  
Vol 56 (03) ◽  
pp. 318-322 ◽  
Author(s):  
V Diness ◽  
P B Østergaard

SummaryThe neutralization of a low molecular weight heparin (LHN-1) and conventional heparin (CH) by protamine sulfate has been studied in vitro and in vivo. In vitro, the APTT activity of CH was completely neutralized in parallel with the anti-Xa activity. The APTT activity of LHN-1 was almost completely neutralized in a way similar to the APTT activity of CH, whereas the anti-Xa activity of LHN-1 was only partially neutralized.In vivo, CH 3 mg/kg and LHN-1 7.2 mg/kg was given intravenously in rats. The APTT and anti-Xa activities, after neutralization by protamine sulfate in vivo, were similar to the results in vitro. In CH treated rats no haemorrhagic effect in the rat tail bleeding test and no antithrombotic effect in the rat stasis model was found at a protamine sulfate to heparin ratio of about 1, which neutralized APTT and anti-Xa activities. In LHN-1 treated rats the haemorrhagic effect was neutralized when APTT was close to normal whereas higher doses of protamine sulfate were required for neutralization of the antithrombotic effect. This probably reflects the fact that in most experimental models higher doses of heparin are needed to induce bleeding than to prevent thrombus formation. Our results demonstrate that even if complete neutralization of APTT and anti-Xa activities were not seen in LHN-1 treated rats, the in vivo effects of LHN-1 could be neutralized as efficiently as those of conventional heparin. The large fall in blood pressure caused by high doses of protamine sulfate alone was prevented by the prior injection of LHN-1.


Author(s):  
Tamilarasi G P ◽  
Sabarees G

Oxidation is an essential reaction in the human body, which determines the expression of proteins in the body. This results in the altered expression like rapid growth resulting in cancers and other disorders. Many synthetic drugs are available in the market that is effective in limiting the free radical generation and the reaction of radicals with cells. Unfortunately, all those synthetic drugs were found to cause side effects and adverse effects in the body. But given the accuracy of the predictability of the results and administration, this research focuses on testing the anti-oxidant efficiency in rat models testing the biochemical parameters. Investigations have also been done on the anti-oxidant activity of Tectona, but every research was concentrated to prove the anti-oxidant activity only. extract had been tested for anti-oxidant activity by estimating various tissue parameters and it showed better activity. As predicted, there is a significant difference in the and results which can be explained are due to the physiological conditions that exist inside the body.


Author(s):  
Chernichkina A.D.

A large number of biologically active substances, organic acids, tannins, and pectin substances were detected during the study of fruits, leaves, and pulp of the fruits of mountain Ash. The content of these substances in leaves and pulp will significantly expand the arsenal of medicinal plant raw materials used. Given the wide distribution of mountain Ash in the territory of the Russian Federation, harvesting leaves from the same plants after harvesting the fruit and using pulp will make it possible to obtain new phytopreparations.


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