نتایج جستجو برای: botanical extracts

تعداد نتایج: 96979  

Journal: :The British journal of dermatology 2003
A Chiu A B Kimball

Ageing skin is characterized by fine lines, wrinkles, lentigines, dyspigmentation and increased coarseness. Topical preparations alleged to combat these changes abound in the over-the-counter market. Some of the most popular ingredients used in these products are vitamins, minerals and botanical extracts. Proposed mechanisms for antiageing effects on skin range from antioxidant properties to im...

Journal: :Acta poloniae pharmaceutica 2010
Łukasz M Cieśla Monika Waksmundzka-Hajnos

Thin-layer chromatographic method, with postchromatographic derivatization, was applied for the purposes of the quality control of pharmaceutical preparations, containing S. officinalis L. extract. Six finished products underwent the analysis: capsules, tablets, two ointments, tincture and finished product being a mixture of ethanolic S. officinalis and Thymi vulgaris extracts. Chromatographic ...

2013
B. M. Silva A. Palmeira-de-Oliveira R. Palmeira-de-Oliveira J. Martinez-de-Oliveira

Much research is available depicting the health benefits of tea (Camellia sinensis (L.)) for a wide variety of implications, including Sexually Transmitted Infections (STIs). Acquired Immunodeficiency Syndrome (AIDS), Human Papilloma Virus (HPV) infections, vulvovaginal candidosis and vaginal bacteriosis are some of the most prevalent STIs. Several scientific studies indicate that tea is an exc...

2017
Angela I. Calderón

Maca (Lepidium meyenii Walpers) is a plant cultivated in central Peru, and its root is a common active ingredient in the botanical dietary supplements for its effects on a variety of health issues such as sexual dysfunction, anemia, and cancer. The plant contains compounds that have cytotoxic and antioxidant activities, but information on the metabolism of the bioactive compounds is limited. Th...

2014
M. Rajeswary M. Govindarajan K. Murugan Jiang-Shiou Hwang Donald R. Barnard A. Amsath U. Muthukumaran

Mosquito-borne diseases with an economic impact create loss in commercial and labor outputs, particularly in countries with tropical and subtropical climates. Mosquito control is facing a threat because of the emergence of resistance to synthetic insecticides. Extracts from plants may be alternative sources of mosquito control agents because they constitute a rich source of bioactive compounds ...

Dr. Deepak S K Potbhare M S Pranav Kumar A V R Sreenivas Reddy G R Susreekanth Beura, Uday Bhasker Goud G

There is the need for new drugs with better action and lesser side effects. A lot of research is being undertaken to find out new plant drugs, their extraction and pharmacological evaluation. One of such plant is Curcuma aromatica whichbelongs to the genus Curcuma and reported to have high ethno-botanical values in traditional medicine. The present study evaluates comparative pharmacol...

Journal: Journal of Herbal Drugs 2011
Azita Nazarian Haji Mohammad Taklloozadeh Kamal Ahmadi, Mahla Ashrafju, Yekta Baniadami

Background & Aim: Tetranychus urticae Koch is one of the most important pests of crops, ornamental and greenhouse plants in the world and, can damage to 900 plant species. Resistances to pesticides and acaricides have guided researches to introduce new methods to control T. urticae. Botanical pesticides are an important group of natural productions that are usually safer than ...

Journal: :Journal of ethnopharmacology 2012
Helen Sheridan Liselotte Krenn Renwang Jiang Ian Sutherland Svetlana Ignatova Andreas Marmann Xinmiao Liang Jandirk Sendker

A vast majority Chinese herbal medicines (CHM) are traditionally administered as individually prepared water decoctions (tang) which are rather complicated in practice and their dry extracts show technological problems that hamper straight production of more convenient application forms. Modernised extraction procedures may overcome these difficulties but there is lack of clinical evidence supp...

2016
Olaf Tyc Laura Tomás-Menor Paolina Garbeva Enrique Barrajón-Catalán Vicente Micol

Plant compounds are a potential source of new antimicrobial molecules against a variety of infections. Plant extracts suppose complex phytochemical libraries that may be used for the first stages of the screening process for antimicrobials. However, their large variability and complexity require fast and inexpensive methods that allow a rapid and adequate screening for antimicrobial activity ag...

2014
Linlin Wei Rimao Hua Maoye Li Yanzhang Huang Shiguang Li Yujie He Zonghai Shen

This study aims to develop eco-friendly botanical pesticides. Dried fruits of star anise (Illicium verum Hook.f. (Austrobaileyales: Schisandraceae)) were extracted with methyl alcohol (MA), ethyl acetate (EA), and petroleum ether (PE) at 25°C. The constituents were determined by gas chromatography-mass spectrometry, and the repellency and contact toxicity of the extracts against Sitophilus zeam...

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