نتایج جستجو برای: flavonoid contents

تعداد نتایج: 93726  

2014
Mohaddese Mahboubi Mohsen Taghizadeh Nastaran Kazempour

BACKGROUND Pycnocycla spinosa (P. spinosa) a member of the Umbelliferae family is traditionally used for treatment of different ailments. OBJECTIVES This study aimed to evaluate the total phenolic and flavonoid content of P. spinosa extracts (methanol, ethanol and aqueous) and their antioxidant and antimicrobial effects. MATERIALS AND METHODS The antimicrobial activity of different extracts...

Andrographis paniculata (Burm.f.) Nees is a medicinal herb in the family Acanthaceae. The leaves of the mature plant contain abundant diterpinoids of medicinal properties.The objectives of the present study were to investigate the impacts of compost tea rates on photosynthesis parameters and antioxidant reactions of A. paniculata. The plant was propagated using seed and planting in a polybag. A...

Azita Shabrangi Sima Salimgandomi

Plants are almost reach sources of phenolic compounds such as flavonoids which are the most importantnatural antioxidants. Antioxidant compounds are essential for protecting human body against oxidativestress. However use elicitors could increase the antioxidant activity of plant. The purpose of this studywas to evaluate the effects of Chitosan on the content of phenolic and flavonoid compounds...

B Nickavar H Izadpanah L Abolhasani

?-Amylase inhibitory activities of ethanol extracts from six selected Iranian Salvia species (S. hydrangea DC., S. hypoleuca Benth., S. officinalis L., S. reuterana Boiss., S. verticillata L. and S. virgata Jacq.) were examined, using in vitro model. In addition, antioxidant capacities (DPPH• radical scavenging) and total flavonoid cotents of the extracts were also determined. The results showe...

B Nickavar H Izadpanah L Abolhasani

?-Amylase inhibitory activities of ethanol extracts from six selected Iranian Salvia species (S. hydrangea DC., S. hypoleuca Benth., S. officinalis L., S. reuterana Boiss., S. verticillata L. and S. virgata Jacq.) were examined, using in vitro model. In addition, antioxidant capacities (DPPH• radical scavenging) and total flavonoid cotents of the extracts were also determined. The results showe...

Journal: :avicenna journal of phytomedicine 0
maryam varasteh-kojourian department of biology, faculty of science, ferdowsi university of mashhad, mashhad, iran parvaneh abrishamchi department of biology, faculty of science, ferdowsi university of mashhad, mashhad, iran maryam matin cell and molecular biotechnology research group, institute of biotechnology, ferdowsi university of mashhad, mashhad, iran javad asili department of pharmacognosy, school of pharmacy, mashhad university of medical sciences, mashhad, iran hamid ejtehadi department of biology, faculty of science, ferdowsi university of mashhad, mashhad, iran fatemeh khosravitabar department of biology, faculty of science, ferdowsi university of mashhad, mashhad, iran

objective: achillea is a traditional medicinal herb which contains different phenol and flavonoid compounds that are responsible for achillea pharmacological effects. we aimed to determine phenol and flavonoid contents, besides antioxidant activities of different extracts from achillea eriophoraa (a. eriophora) dc. and achillea biebersteinii (a. biebersteinii) afan. (endemic species in iran) an...

Background and purpose: The genus Vicia (Papilionaceae) contains 45 species in Iran. This investigation was designed to study the impact of extraction methods on total phenolic and flavonoid contents and antioxidant activities of V. hirsuta aerial parts. Materials and methods: In this experimental study the efficiencies of three extraction methods i.e. Maceration, Soxhlet, and ultrasonically a...

2014
Changlei Wang Wene Zhang Xuejun Pan

Nutrients, bioactive compounds and antioxidant activities of walnut male inflorescences at four flowering stages were analyzed in this study. The results showed that the male inflorescences were rich in carbohydrate, protein and mineral contents, and had antioxidant activities due to high contents of phenolic and flavonoid compounds. The nutritional compositions were varied at four stages. In t...

2012
Patricia Diaz Sang Chul Jeong Samiuela Lee Cheang Khoo Sundar Rao Koyyalamudi

UNLABELLED BACKGROUND This study aims to determine the relationship between the antioxidant and anti-inflammatory activities of the thirteen herbs and two fungi extracts, and their total phenolic and flavonoid contents. METHODS Antioxidant activities were evaluated by four assays: an antioxidant activity assay using Saccharomyces cerevisiae, a DPPH ((2, 2-diphenyl-1-picrylhydrazyl) assay t...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید