نتایج جستجو برای: plant antioxidant

تعداد نتایج: 476842  

Melatonin (N-acetyl-5-methoxytryptamine) is an indole metabolite derived from tryptophan and synthesized in plant cells in the chloroplasts and mitochondria. Melatonin is present in all plant species, with large variations in its level depending on the plant organ or tissue, it is a molecule endowed with a multitude of functions that make it worthy to be referred to as a plant growth regulator....

Journal: :The Open Conference Proceedings Journal 2013

2015
Albin T. Fleming

Plant materials were used for the treatment of malignant diseases for centuries. Various studies on plant extract which have a suitable history of use in folklore for the treatment of cancer had often resulted in the isolation of principles with anti-tumour activity. In the present study, the anti-proliferative effect of acetone and methanol bark extracts of Adenanthera pavonina on three cancer...

Journal: :African journal of traditional, complementary, and alternative medicines : AJTCAM 2010
A O T Ashafa D S Grierson A J Afolayan

Felicia muricata is a medicinal plant used for the management of different human and livestock diseases in the Eastern Cape Province of South Africa. The antioxidant potential of the leaves from this herb was investigated using its water, methanol, acetone and ethanol extracts. All the extracts were rich in phenols, proanthocyanidins and flavonols but low in flavonoids. The water extract exhibi...

Journal: :Molecules 2010
Jin Dai Russell J Mumper

Phenolics are broadly distributed in the plant kingdom and are the most abundant secondary metabolites of plants. Plant polyphenols have drawn increasing attention due to their potent antioxidant properties and their marked effects in the prevention of various oxidative stress associated diseases such as cancer. In the last few years, the identification and development of phenolic compounds or ...

Journal: :Acta pharmaceutica 2005
Madan Mohan Pandey Raghavan Govindarajan Ajay Kumar Singh Rawat Palpu Pushpangadan

Saussurea costus (Falc.) Lipschitz from the family Asteraceae is an important medicinal drug, the roots of which are widely used in folk medicine. The antioxidant activity of the plant has been studied using its ability to scavenge DPPH, nitric oxide, superoxide radicals along with its ability to inhibit lipid peroxidation and GSH oxidation. The 1 mg mL(-1) extract had antioxidant activity with...

2010
R. SATHISHKUMAR A. ANNAMALAI

The objective of this study was to characterize the non-enzymatice and enzymatic antioxidants of E. littorale Blume grown under wild condition. Aerial and sub-aerial parts of the plants exposed to different heat stress was analyzed for the non enzymatic antioxidants such as Tocopherol, Phenols, DPPH, FRAP and enzymatic antioxidants such as Polyphenol oxidase, Peroxidase, Catalase, Super Oxide D...

2017
Piyanuch Rojsanga Somnuk Bunsupa Adelheid H Brantner Pongtip Sithisarn

Extracts from raw materials from different plant parts, tissue-cultured plants, and callus cultures of Oroxylum indicum were analyzed for in vitro antioxidant activities determined by DPPH radical scavenging assay and evaluated for phytochemical profiles by TLC and LC-MS methods. The results were analyzed by principal component analysis (PCA) to evaluate the similarity. Stalk, pedicel, flower, ...

2010
Mohammad Reza Shams Ardekani Mahnaz Khanavi Mannan Hajimahmoodi Maryam Jahangiri Abbas Hadjiakhoondi

The genus Phoenix is one of the most widely cultivated groups of palms around the world. The aim of this study was to determine the antioxidant activity and total phenolic compounds of 14 different varieties of date palm (Phoenix dactylifera L., Arecaceae) seed extracts with 5 solvents [water, methanol, methanol (50%), DMSO, and water: methanol: acetone: formic acid (20:40:40:0.1)]. Ferric redu...

2010
A.Kottai Muthu

The present investigation to evaluate the antioxidant activities of various extracts of whole plant of Borreria hispida (Linn) in different invitro methods. The antioxidant activity was evaluated by Total antioxidant activity (Phosphomolybdic acid method), FRAP assay with reference standard Ascorbate and total phenol content respectively. The methanolic extract of Borreria hispida was the most ...

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