Pharmaka, Philtres, and Pheromones Getting High and Getting Off
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Aphrodisiac Herbal Therapy for Erectile Dysfunction
Original Article Aphrodisiac Herbal therapy for Erectile Dysfunction Bharti Goel1, Neelesh Kumar Maurya2* 1Research Scholar Department of Foods and Nutrition, Government Home Science College, Panjab University, Chandigarh, India. 2 Research Scholar, Department of Foods and Nutrition, Institute of Home Science, Bundelkhand University, Jhansi, Uttar Pradesh, India. Abstract Erectile dysfunction (ED) or male impotence is described as an inability to maintain penile erection primarily endothelial and neuronal dysfunction which is partly characterized by decreased production of nitric oxide (NO). Male impotence can be caused by androgen deficiency in aging men, atherosclerosis, diabetes mellitus, spinal cord injury, high level of cholesterol, hypertension, prostate surgery, prostate and heart disease, penis anatomical deformity, social and psychological conditions as unhappy marital relationship, depression, and stress. Aphrodisiac is a drink or food that arouse sexuality. It can be categorized into three groups according to their action mode as follows: increase sexual pleasure substances, increase libido substances (arousal, sexual desire), and increase sexual potency (erection effectiveness). Various extracts of medicinal plants and orally active drugs such as vardenafil, sildenafil, and tadalafil are used to increase arterial blood flow for treating (ED) in southwest Asia. Hence, this paper review focuses on medicinal plants used as aphrodisiacs for scientific validation and management of erectile dysfunction (ED). Keywords: Aphrodisiacs, herbal plants, erectile dysfunction, penile erection INTRODUCTION care providers, testosterone replacement therapy for aging men has been practiced for many years but if the patient has Erectile dysfunction (ED) is a neurovascular condition that no clinical signs of androgen deficiency then testosterone involves endothelium of the corpora cavernosal arterial blood replacement therapy will have no clinical effect [13, 14]. -
UNJ February 03
Man’s Search for Ultimate Sex: Viagra® Abuse Jeffrey A. Albaugh Susan Kellogg-Spadt n an age when men aspire for “extreme” perfor- mance in all aspects of their lives, sexual per- safe, but encouraged the young man to seek medical formance is no exception. As a result, the drug advice prior to further use. Curiosity about Viagra sildenafil citrate (Viagra®) is being routinely abounds with men wondering about its ability to Iused and abused by men of all ages (who have not improve the quality and rigidity of erections, been diagnosed with erectile dysfunction) to facili- decrease the refractory period after ejaculation, and tate the ultimate sexual experience. Men might use increase libido. Danner (2001) reports that Viagra is this drug to counteract or coincide with other recre- one of the “party drugs” of our times and there are ational drugs, to improve the quality and longevity reports that it is prevalent in British nightclubs and of an already adequate erection, or to shorten the restaurants under the name “poke” (Canadian normal physiologic refractory period between erec- Medical Association, 1998). Widespread Viagra use tions. Although there is no indication or document- is also reported as a trend among gay men in the ed evidence for improved erectile function in party scene (Contemporary Sexuality, 2001; Men’s healthy young men, the use of sildenafil citrate Fitness, 2002). among this population is thought to improve erec- tile longevity and rigidity by these men. Mixing Drugs Man’s search for improved sexual function In recreational use, Viagra is being mixed with would be better served by his learning about the other street drugs such as ecstasy (methylene- arousal response cycle and the type and amount of dioxymethamphetamine), uppers (amphetamines), loveplay that might lead his partner to the greatest crystal methadone, and poppers (amyl nitrate) into level of satisfaction. -
Alkaloids Used As Medicines: Structural Phytochemistry Meets Biodiversity—An Update and Forward Look
molecules Review Alkaloids Used as Medicines: Structural Phytochemistry Meets Biodiversity—An Update and Forward Look Michael Heinrich 1,2,* , Jeffrey Mah 1 and Vafa Amirkia 1 1 Research Group ‘Pharmacognosy and Phytotherapy’, UCL School of Pharmacy, University of London, 29–39 Brunswick Sq., London WC1N 1AX, UK; [email protected] (J.M.); [email protected] (V.A.) 2 Graduate Institute of Integrated Medicine, College of Chinese Medicine, and Chinese Medicine Research Center, China Medical University, No. 100, Section 1, Jingmao Road, Beitun District, Taichung 406040, Taiwan * Correspondence: [email protected]; Tel.: +44-20-7753-5844 Abstract: Selecting candidates for drug developments using computational design and empirical rules has resulted in a broad discussion about their success. In a previous study, we had shown that a species’ abundance [as expressed by the GBIF (Global Biodiversity Information Facility)] dataset is a core determinant for the development of a natural product into a medicine. Our overarching aim is to understand the unique requirements for natural product-based drug development. Web of Science was queried for research on alkaloids in combination with plant systematics/taxonomy. All alkaloids containing species demonstrated an average increase of 8.66 in GBIF occurrences between 2014 and 2020. Medicinal Species with alkaloids show higher abundance compared to non-medicinal alkaloids, often linked also to cultivation. Alkaloids with high biodiversity are often simple alkaloids found in multiple species with the presence of ’driver species‘ and are more likely to be included in early-stage drug development compared to ‘rare’ alkaloids. Similarly, the success of an alkaloid Citation: Heinrich, M.; Mah, J.; Amirkia, V. -
South Cameroon)
Plant Ecology and Evolution 152 (1): 8–29, 2019 https://doi.org/10.5091/plecevo.2019.1547 CHECKLIST Mine versus Wild: a plant conservation checklist of the rich Iron-Ore Ngovayang Massif Area (South Cameroon) Vincent Droissart1,2,3,8,*, Olivier Lachenaud3,4, Gilles Dauby1,5, Steven Dessein4, Gyslène Kamdem6, Charlemagne Nguembou K.6, Murielle Simo-Droissart6, Tariq Stévart2,3,4, Hermann Taedoumg6,7 & Bonaventure Sonké2,3,6,8 1AMAP Lab, IRD, CIRAD, CNRS, INRA, Université de Montpellier, Montpellier, France 2Missouri Botanical Garden, Africa and Madagascar Department, P.O. Box 299, St. Louis, Missouri 63166-0299, U.S.A. 3Herbarium et Bibliothèque de Botanique africaine, C.P. 265, Université Libre de Bruxelles, Campus de la Plaine, Boulevard du Triomphe, BE-1050 Brussels, Belgium 4Meise Botanic Garden, Domein van Bouchout, Nieuwelaan 38, BE-1860 Meise, Belgium 5Evolutionary Biology and Ecology, Faculté des Sciences, C.P. 160/12, Université Libre de Bruxelles, 50 Avenue F. Roosevelt, BE-1050 Brussels, Belgium 6Plant Systematics and Ecology Laboratory, Higher Teachers’ Training College, University of Yaoundé I, P.O. Box 047, Yaoundé, Cameroon 7Bioversity International, P.O. Box 2008 Messa, Yaoundé, Cameroon 8International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, BP1857, Yaoundé, Cameroon *Author for correspondence: [email protected] Background and aims – The rapid expansion of human activities in South Cameroon, particularly mining in mountainous areas, threatens this region’s exceptional biodiversity. To comprehend the effects of land- use change on plant diversity and identify conservation priorities, we aim at providing a first comprehensive plant checklist of the Ngovayang Massif, focusing on the two richest plant families, Orchidaceae and Rubiaceae. -
Sexual Arousal and Performance Are Modulated by Adrenergic-Neuropeptide- Steroid Interactions
* 1995 Elsevier Science B. V. All rights reserved. The Pharmacology of Sexual Function and Dysfunction J. Bancroft, editor 55 Sexual Arousal and Performance are Modulated by Adrenergic-Neuropeptide- Steroid Interactions John T. Clark Department of Physiology, Meharry Medical College, 1005 D.B. Todd Boulevard, Nashville, Tennessee, 37208, U.S.A. Introduction Sexual function is regulated by a complex interaction between the nervous system, hormones and sexually relevant tissues. In addition to psychogenic causes, organic factors such as aging, hypertension, diabetes, renal failure, malnutrition, and obesity, as well as responses to medications used to treat these disorders, may all contribute to sexual dysfunction. Although the precise identification of the neurochemical messengers (and the appropriate neuroanatomical loci) underlying the expression of male sexual behavior remains to be elucidated, progress has been made. We feel that, with careful attention paid to the aspects of sexuality and the problems associated with continuous (or long-term) pharmacological/hormonal treatment, some degree of relief may be available for those exhibiting sexual dysfunction In our research in male rats, we have frequently observed a repression of sexual function. However, some treatments do facilitate aspects of sexual behavior. We have repeatedly observed two "prosexual" effects in male rats: a facilitation of the ejaculatory response; and a facilitation of sexual arousal. Other prosexual effects have been reported, typically an enhancement of erection. Assessment of Sexual Function Animal modeling of human sexual function is viable, and its usage is aimed at elucidating the biological factors affecting male sexual behavior [1-5]. Although it seems reasonable to test drugs for sexual effects in animals first, many clinically useful agents (including antihypertensives) have not been systematically studied. -
Natural Products (Secondary Metabolites)
Biochemistry & Molecular Biology of Plants, B. Buchanan, W. Gruissem, R. Jones, Eds. © 2000, American Society of Plant Physiologists CHAPTER 24 Natural Products (Secondary Metabolites) Rodney Croteau Toni M. Kutchan Norman G. Lewis CHAPTER OUTLINE Introduction Introduction Natural products have primary ecological functions. 24.1 Terpenoids 24.2 Synthesis of IPP Plants produce a vast and diverse assortment of organic compounds, 24.3 Prenyltransferase and terpene the great majority of which do not appear to participate directly in synthase reactions growth and development. These substances, traditionally referred to 24.4 Modification of terpenoid as secondary metabolites, often are differentially distributed among skeletons limited taxonomic groups within the plant kingdom. Their functions, 24.5 Toward transgenic terpenoid many of which remain unknown, are being elucidated with increas- production ing frequency. The primary metabolites, in contrast, such as phyto- 24.6 Alkaloids sterols, acyl lipids, nucleotides, amino acids, and organic acids, are 24.7 Alkaloid biosynthesis found in all plants and perform metabolic roles that are essential 24.8 Biotechnological application and usually evident. of alkaloid biosynthesis Although noted for the complexity of their chemical structures research and biosynthetic pathways, natural products have been widely per- 24.9 Phenylpropanoid and ceived as biologically insignificant and have historically received lit- phenylpropanoid-acetate tle attention from most plant biologists. Organic chemists, however, pathway metabolites have long been interested in these novel phytochemicals and have 24.10 Phenylpropanoid and investigated their chemical properties extensively since the 1850s. phenylpropanoid-acetate Studies of natural products stimulated development of the separa- biosynthesis tion techniques, spectroscopic approaches to structure elucidation, and synthetic methodologies that now constitute the foundation of 24.11 Biosynthesis of lignans, lignins, contemporary organic chemistry. -
“Rauwolscine/ Alfa Yohimbine”
“Rauwolscine/ Alfa Yohimbine” Rauwolscine / Alfa Yohimbine – Natural and Safe Alternative for FAT BURNING Rauwolscine or Alfa–Yohimbine is an indole alkaloid with stimulant, aphrodisiac and local anaesthetic effects found naturally in plants of the genus Rauwolfia and Pausinystalia, along with several other active alkaloids including Yohimbine. Rauwolscine is a stereoisomer of Yohimbine, that is it is chemically identical, but differs in its 3 dimensional orientation. There are a total of 3 stereoisomers of Yohimbine, the other two are corynanthine and 3-epi-alpha-yohimbine. How it works – science behind this natural supplement Fat-Burning Potential Rauwolscine, or {3H}Rauwolscine, is a potent and selective antagonist of alpha-2 adrenergic receptors. This is the same mechanism by which yohimbine acts by blocking the pre- and post-synaptic alpha-2 adrenoceptors, this prevents the release of Norepinephrine from cells. Norepinepherine stimulates both the alpha and beta receptors in a cell. Stimulation of the beta adrenoceptors causes the breakdown of fat, whilst stimulating the alpha-2 adrenoceptors prevents this breakdown of fats.Alfa Yohimbine (Rauwolscine) blocks the alpha feedback mechanism, thus increasing norepinephrine. Additionally in blocking the alpha-2 receptor it blocks the storage of new fat. Serotonergic Effects Its works in a similar fashion like yohimbine, rauwolscine is an agonist of 5-HT1a/b receptors and induces serotonin-like effects.Whereas yohimbine has more affinity for the receptor, rauwolscine has a lower IC50 value (meaning it can saturate more receptors at the same dose) and can be seen as slightly more potent in serotonergic activity. Rauwolscine, an antagonist radioligand for the cloned human 5- hydroxytryptamine2b (5-HT2B) receptor. -
Tryptophan Derivatives INDOL ALKALOIDS -Secale Cornutum
Tryptophan Derivatives INDOL ALKALOIDS -Secale Cornutum -Faba calabarica -Semen Strychni -Gelsemium nitidum -Radix Rauwolfiae -Cortex Yohimbae -Aspidiospermae -Herba Catharanthi -Herba Vincae -Cortex Chinconae -Harman Alkaloids(-carboline) -Semen Pegani Radix Rauwolfia Rauwolfia serpentina (Apocynaceae) Radix must contain at least 0.15% reserpine- resinnamine group alkaloids. Rauwolf (German Botanist)16th century Rauwolfia serpentina; Used against snake bites and psyclological problems in India. Powdered roots, extract and purified alkaloids are used to control hypertension. Approximately 50 alkaloids are isolated from 25 Rauwolfia species. These alkaloids shows their activity by stimulating the release of serotonin and catecholamines so that sedative and tranquilizer activity occur. Reserpine; Reserpine absolutely lowers the blood pressure. Decreases pulse number with some euphory. Should be used in schizophrenia. Reserpine is a drug that is used for the treatment of high blood pressure, usually in combination with a thiazide diuretic or vasodilator. Large clinical trials have shown that combined treatment with reserpine plus a thiazide diuretic reduces mortality of people with hypertension. Resinnamine; Genetic hypertension (middle level) Deserpidine; 11-demethoxy reserpine (used like reserpine) Deserpidine and reserpine are used with diuretics against hypertension. Reserpine; white/pale yellow, odorless, crystal powder. Sensitive to light (darkens slowly). Commercial reserpine sources: R. serpentina (reserpine + resinnamine) R. micrantha (reserpine + resinnamine) R. tetraphylla (reserpine + deserpidine) R. vomitoria (reserpine) Mostly used species. Reserpine could be used synthetically but not efficient. Preference is natural sources. The Rauwolfia alkaloids reserpine and deserpidine, two alkaloids from Rauwolfia species, have been widely used for their antihypertensive action. Deserpidine is a compound with limited availability from natural sources, and its synthesis from 1 in six steps (41% overall yield) is reported in literature. -
Sildenafil-Associated Hepatoxicity: a Review of the Literature
European Review for Medical and Pharmacological Sciences 2017; 21 (1 Suppl): 17-22 Sildenafil-associated hepatoxicity: a review of the literature S. GRAZIANO1, A. MONTANA2, S. ZAAMI3, M.C. ROTOLO1, A. MINUTILLO1, F.P. BUSARDÒ3, E. MARINELLI3 1Drug Abuse and Doping Unit, Department of Therapeutic Research and Medicines Evaluation, Istituto Superiore di Sanità, Rome, Italy 2Laboratory of Forensic Toxicology, Department “G.F. Ingrassia”, University of Catania, Catania, Italy 3Unit of Forensic Toxicology (UoFT), Department of Anatomical, Histological, Forensic and Orthopedic Sciences, Sapienza University of Rome, Rome, Italy Abstract. – Sildenafil citrate (Viagra®) is a Introduction vasoactive agent available worldwide since 1998 for the treatment of male erectile dysfunction. It Sildenafil citrate (Viagra®) is a vasoactive is a selective phosphodiesterase type 5-enzyme agent, which became available worldwide in 1998 inhibitor able to potentiate the downstream ef- for the treatment of male erectile dysfunction. fects of nitric oxide on smooth muscle relaxa- tion and vasodilation through its effects on the The drug acts by inhibiting the phosphodiester- cyclic guanosine monophosphate (c-GMP) path- ase type 5 (PDE5) enzymes that specifically way in the erectile tissue of the penis. When degrade the cyclic guanosine monophosphate sildenafil is orally administered, it is rapidly ab- (cGMP), responsible for the nitric oxide induced sorbed with a maximum plasma concentration smooth muscle relaxation and vasodilatation1. achieved within 1 h and has a terminal half-life PDE5 is found in particularly high concentration of between 3 to 6 h. The drug is extensively and in the corpus cavernosum, the erectile tissue rapidly metabolized by the liver, primarily by of the penis; it is also found in the retina and the CYP3A4 enzyme. -
Double-Blind, Placebo-Controlled Safety and Ef®Cacy Trial with Yohimbine Hydrochloride in the Treatment of Nonorganic Erectile Dysfunction
International Journal of Impotence Research (1997) 9, 155±161 ß 1997 Stockton Press All rights reserved 0955-9930/97 $12.00 Double-blind, placebo-controlled safety and ef®cacy trial with yohimbine hydrochloride in the treatment of nonorganic erectile dysfunction H-J Vogt1, P Brandl1, G. Kockott2, JR Schmitz2, MH Wiegand2, J Schadrack3 and M Gierend3 1 Dermatologische Klinik und Poliklinik; 2 Psychiatrische Klinik und Poliklinik, Technische UniversitaÈtMuÈnchen, Munich, Germany; and 3 Medicomp Gesellschaft fuÈr Versuchsplanung und Datenanalyse mbH, Ulm, Germany This double-blind, placebo-controlled clinical trial of yohimbine hydrochloride included 86 patients with erectile dysfunction and without clearly detectable organic or psychologic causes. The patient group ful®lled all entry criteria; 85 of these could be considered for the Safety- respectively 83 for the Intention-to-treat (ITT)-analysis. Yohimbine was administered orally in a dosage of 30mg a day (two 5mg tablets three times daily) for eight weeks. Patients were seen for follow-up after four weeks' treatment, and for a ®nal visit after eight weeks. Ef®cacy evaluation was based on both subjective and objective criteria. Subjective criteria included improvement in sexual desire, sexual satisfaction, frequency of sexual contacts, and quality of erection (penile rigidity) during sexual contact/intercourse. Objective criteria of outcome were based on improvement in penile rigidity determined by use of polysomnography in the sleep laboratory. Overall Yohimbine was found signi®cantly more effective than placebo in terms of response rate: 71 vs 45%. Yohimbine was well-tolerated: Only 7% of patients rated tolerability fair or poor, and most adverse experiences were mild. -
Droissart Et Al Plant Ecol Evo
Mine versus Wild : a plant conservation checklist of the rich Iron-Ore Ngovayang Massif Area (South Cameroon) Vincent Droissart, Olivier Lachenaud, Gilles Dauby, Steven Dessein, Gyslène Kamdem, Charlemagne Nguembou K., Murielle Simo-Droissart, Tariq Stévart, Hermann Taedoumg, Bonaventure Sonké To cite this version: Vincent Droissart, Olivier Lachenaud, Gilles Dauby, Steven Dessein, Gyslène Kamdem, et al.. Mine versus Wild : a plant conservation checklist of the rich Iron-Ore Ngovayang Massif Area (South Cameroon). Plant Ecology and Evolution, Botanic Garden Meise and Royal Botanical Society of Belgium, 2019, 152 (1), pp.8-29. 10.5091/plecevo.2019.1547. hal-02079407 HAL Id: hal-02079407 https://hal.umontpellier.fr/hal-02079407 Submitted on 26 Mar 2019 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Plant Ecology and Evolution 152 (1): 8–29, 2019 https://doi.org/10.5091/plecevo.2019.1547 CHECKLIST Mine versus Wild: a plant conservation checklist of the rich Iron-Ore Ngovayang Massif Area (South Cameroon) Vincent Droissart1,2,3,8,*, Olivier Lachenaud3,4, Gilles Dauby1,5, Steven Dessein4, Gyslène Kamdem6, Charlemagne Nguembou K.6, Murielle Simo-Droissart6, Tariq Stévart2,3,4, Hermann Taedoumg6,7 & Bonaventure Sonké2,3,6,8 1AMAP Lab, IRD, CIRAD, CNRS, INRA, Université de Montpellier, Montpellier, France 2Missouri Botanical Garden, Africa and Madagascar Department, P.O. -
Psychoactive Properties of Culinary Spices
Taking the spice route: Psychoactive properties of culinary spices Intoxication and toxicity can mimic psychiatric symptoms any substances that are not typically thought of as “substances of abuse” possess—when adequate- Mly dosed—clinically meaningful psychoactive properties. In addition to the more familiar effects of alcohol, psychostimulants, opioids, Cannabis, and hallucinogens, you may encounter psychiatric phenomena resulting from abuse of more obscure substances, including culinary spices. The clinician treating a patient in an apparent intoxicated state who has a negative drug screen might ask that patient if he (she) abuses spices. This might be particularly relevant when treating patients thought to have limited access to il- licit substances or those with ready access to large amounts of spices, such as prisoners, young patients, and those working in the food service industry. Abuse of spices can be a problematic diagnosis © STOCKCREATIONS Patients may misuse culinary spices to achieve euphoria, or a James A. Bourgeois, OD, MD “natural high.” They may present with medical or psychiat- Clinical Professor Vice Chair, Clinical Affairs ric symptoms, including acute altered mental status, but the Department of Psychiatry/Langley Porter Psychiatric Institute psychoactive substances are not identified on routine toxicol- University of California San Francisco ogy studies. In addition, patients may not attribute their use San Francisco, California of spices for psychoactive effect to “drugs,” because these Usha Parthasarathi, MBBS materials are legal and readily available. This may lead to Assistant Clinical Professor misdiagnosis of a systemic medical disorder or a primary psy- Ana Hategan, MD chiatric illness to explain the patient’s symptoms and initiat- Associate Clinical Professor ing a psychotropic agent and other psychiatric services when • • • • a substance abuse program might be a more appropriate clini- Department of Psychiatry and Behavioural Neurosciences cal intervention.