نتایج جستجو برای: Echinacea

تعداد نتایج: 1008  

Journal: :The Journal of pharmacy and pharmacology 2005
Joanne Barnes Linda A Anderson Simon Gibbons J David Phillipson

This paper reviews the chemistry, pharmacology and clinical properties of Echinacea species used medicinally. The Echinacea species Echinacea angustifolia, Echinacea pallida and Echinacea purpurea have a long history of medicinal use for a variety of conditions, particularly infections, and today echinacea products are among the best-selling herbal preparations in several developed countries. M...

2017

Background: Echinacea is a plant that has been widely used for its’ medicinal properties, which include antioxidant properties, immune-stimulant, and antiinflammatory properties. In this study, the effects of extracts of Echinacea pallida, Echinacea purpurea as well as the standard components of Echinacea were observed on a breast cancer cell line (BT-549). Also the effects of extracts of Echin...

Journal: :Journal of ethnopharmacology 2009
Zili Zhai Avery Solco Lankun Wu Eve S Wurtele Marian L Kohut Patricia A Murphy Joan E Cunnick

ETHNOPHARMACOLOGICAL RELEVANCE The genus Echinacea is a popular herbal immunomodulator. Recent reports indicate that Echinacea products inhibit nitric oxide (NO) production in activated macrophages. AIM OF THE STUDY In the present study we determined the inhibitory effects of alcohol extracts and individual fractions of alcohol extracts of Echinacea on NO production, and explored the mechanis...

Journal: :Planta medica 2013
Zhiyi Qiang Cathy Hauck Joe-Ann McCoy Mark P Widrlechner Manju B Reddy Patricia A Murphy Suzanne Hendrich

The use of Echinacea as a medicinal herb is prominent in the United States, and many studies have assessed the effectiveness of Echinacea as an immunomodulator. We hypothesized that Bauer alkamides 8, 10, and 11 and ketone 24 were absorbed similarly either as pure compounds or from Echinacea sanguinea and Echinacea pallida ethanol extracts, and that these Echinacea extracts could inhibit the P-...

Journal: :Journal of medicinal food 2007
Zili Zhai Yi Liu Lankun Wu David S Senchina Eve S Wurtele Patricia A Murphy Marian L Kohut Joan E Cunnick

Echinacea preparations are commonly used as nonspecific immunomodulatory agents. Alcohol extracts from three widely used Echinacea species, Echinacea angustifolia, Echinacea pallida, and Echinacea purpurea, were investigated for immunomodulating properties. The three Echinacea species demonstrated a broad difference in concentrations of individual lipophilic amides and hydrophilic caffeic acid ...

2013
Alexandra Olarte Nitin Mantri Gregory Nugent Edwin C. K. Pang

Echinacea, native to the Canadian prairies and the prairie states of the United States, has a long tradition as a folk medicine for the Native Americans. Currently, Echinacea are among the top 10 selling herbal medicines in the U.S. and Europe, due to increasing popularity for the treatment of common cold and ability to stimulate the immune system. However, the genetic relationship within the s...

Journal: :Planta medica 2016
Karin Ardjomand-Woelkart Rudolf Bauer

Echinacea purpurea, Echinacea angustifoli and Echinacea pallida are frequently used as medicinal plants. Besides asking for evidence on their efficacy, there is an increasing interest for safety data. This review systematically presents the available literature on drug interactions, contraindications, adverse events, duration of use, and safety of use in pregnant and nursing women, and assesses...

2002
Kerry Bone

Extrapolations from pharmacological research have led some authors to suggest restrictions or contraindications for the use of Echinacea. This article examines the known chemistry and pharmacology of the various Echinacea species and products, and challenges some of these popular concepts. In particular, the hypotheses that Echinacea is a T cell activator and that it will accelerate pathology i...

Journal: :Connecticut medicine 2006
Effie L Gillespie Craig I Coleman

We reviewed the current body of evidence supporting the use of Echinacea to reduce URI symptoms and improve QoL. Different Echinacea species have been administered either alone or in combination with other herbals and in various doses and dosage forms. Studies depicting Echinacea's effect on URI symptoms and QoL are contradictory. Despite some positive effects on symptom severity and QoL, given...

Journal: :Planta medica 2009
Lankun Wu Philip M Dixon Basil J Nikolau George A Kraus Mark P Widrlechner Eve Syrkin Wurtele

The genus Echinacea is used as an herbal medicine to treat a variety of ailments. To better understand its potential chemical variation, 40 Echinacea accessions encompassing broad geographical and morphological diversity were evaluated under controlled conditions. Metabolites of roots from these accessions were analyzed by HPLC-photo diode array (HPLC-PDA), GC-MS, and multivariate statistical m...

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