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Browsing by Author "Sundaresan, A"

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Antiperoxidative, free radical scavenging and metal chelating activities of Boerhaavia diffusal.

Prathapan, A; Singh, M K; Anusree, S S; Soban Kumar, D R; Sundaresan, A; Raghu, K G (Wiley, 2011)

Boerhaavia diffusa, a green leafy vegetable and medicinal plant as whole was traditionally used in treating different ailments due to its multiple pharmacological activities viz., immuno suppressant, anti-diabetic, analgesic, ...
Biodiesel production and prediction of engine performance using SIMULINK model of trained neural network

Sharon, H; Jayaprakash, R; Karthigai Selvan, M; Soban Kumar, D R; Sundaresan, A; Karuppasamy, K (Elsevier, 2012)

Due to depletion and higher prices of crude oil, biodiesel is gaining more importance day by day. Biodiesel is renewable and eco-friendly and its emission profile is much lower than fossil fuels. A large number of researches ...
Burned rice husk: An effective additive for enhancing the electromagnetic properties of MgB2 superconductor

Neson Varghese; Vinod, K; Shipra; Sundaresan, A; Syamaprasad, U (Wiley, 2010)

We investigated the effect of doping of burned rice husk which contains ultrafine SiO2 and highly reactive carbon, on the crystal lattice and superconducting properties of MgB2 superconductor prepared by an in situ powder ...
Co-addition of nano-carbon and nano-silica: An effective method for improving the in-field properties of magnesium diboride superconductor

Syju Thomas; Rahul, S; Devadas, K M; Neson Varghese; Sundaresan, A; Syamaprasad, U (Elsevier, 2014)

MgB2 superconductor sample co-doped with nano-carbon (n-C) and nano-silica (n-SiO2) is prepared and its structural and superconducting properties are compared with pure and n-C and nano SiC (n-SiC) mono-doped samples. ...
Comparative study on the total phenolic content and radical scavenging activity of common edible vegetable oils

Janu, C; Soban Kumar, D R; Reshma, M V; Jayamurthy, P; Sundaresan, A; Nisha, P (John Wiley, 2014)

The study investigates the antioxidant potential of commonly used vegetable oils viz., coconut (CNO), sunflower (SFO), rice bran (RBO), groundnut (GNO), sesame (SESO) and mustard oil (MO), where the oils were extracted ...
An ecofriendly approach to process rice bran for high quality rice bran oil using supercritical carbon dioxide for nutraceutical applications

Balachandran, C; Mayamol, P N; Shiny, T; Divya, S; Sundaresan, A; Arumughan, C (Elsevier, 2008)

An integrated approach to extraction and refining of RBO using supercritical carbon dioxide (SC-CO2) in order to preserve the nutritionally important phytochemicals is reported here. Process variables such as pressure, ...
Effect of carbon substitution on the superconducting properties of nanocarbon-, nanodiamond- and nano-SiC-doped MgB2

Neson Varghese; Vinod, K; Rahul, S; Anees, P; Devadas, K M; Syju Thomas; Shipra; Sundaresan, A; Roy, S B; Syamaprasad, U (Wiley, 2011)

A comparative study on the effect of doping of nanocarbon (C), nanodiamond, and the well-established nano-SiC in MgB2 is carried out under identical doping levels (C: 2.6 and 5.2 wt%) and processing conditions (800 degrees ...
Effect of heat treatment on curcuminoid, colour value and total polyphenols of fresh turmeric rhizome

Prathapan, A; Lukhman, M; Arumughan, C; Sundaresan, A; Raghu, K G (Wiley, 2009)

Studies were undertaken to examine the effect of heat treatment on total phenolic content (TPC), colour value (yellowishness and brightness), polyphenol oxidase (PPO) activity and curcuminoid of fresh turmeric rhizome. ...
Effect on oxidative stress, glucose uptake level and lipid droplet content by Apigenin 7, 4 '-dimethyl ether isolated from Piper longum L

Mahesh S Krishna; Beena Joy; Sundaresan, A (Springer, 2015)

Piper longum L. (Family: Piperaceae), is a widely used herb in several Ayurvedic formulations prescribed for various diseases. Potential of the plant material as an antidiabetic and cardio protective agent has not been ...
Effect on oxidative stress, glucose uptake level and lipid droplet content by Apigenin 7, 4\'-dimethyl ether isolated from Piper longum L

Mahesh S Krishna; Beena Joy; Sundaresan, A (Springer, 2015-06)

Piper longum L. (Family: Piperaceae), is a widely used herb in several Ayurvedic formulations prescribed for various diseases. Potential of the plant material as an antidiabetic and cardio protective agent has not been ...
Extraction, separation and characterisation of sesame oil lignan for nutraceutical applications

Reshma, M V; Balachandran, C; Arumughan, C; Sundaresan, A; Divya, S; Shiny, T; Saritha, S S (Elsevier, 2010)

Nutraceutical aspects of sesame oil (SO) are well reported. However, an efficient process for commercial production has not yet been reported. In this study we have aimed at separating lignans from SO aiming at use as ...
In vitro antioxidant and inhibitory potential of Terminalia bellerica and Emblica officinalis fruits against LDL oxidation and key enzymes linked to type 2 diabetes

Nampoothiri, S V; Prathapan, A; Cherian, O L; Raghu, K G; Venugopalan, V V; Sundaresan, A (Elsevier, 2011)

The present study evaluated the free radical scavenging capacity and antioxidant potential of different solvent extracts (Hexane (HE), ethyl acetate (EA), methanol (ME), 70% methanol (MW) and Water (WA)) of Terminalia ...
In vitro synergistic activity of diketopiperazines alone and in combination with amphotericin B or clotrimazole against Candida albicans

Nishanth Kumar, S; Bala Nambisan; Mohandas, C; Sundaresan, A (Springer, 2013)

The synergistic anticandidal activity of three diketopiperazines [cyclo-(L-Pro-L-Leu) (1), cyclo-(D-Pro- L-Leu) (2), and cyclo-(D-Pro-L-Tyr) (3)] purified from a Bacillus sp. N strain associated with entomopathogenic nematode ...
Influence of natural and synthetic antioxidants on the degradation of Soybean oil at frying temperature

Ravi Kiran, C; Indu Sasidharan; Soban Kumar, D R; Sundaresan, A (Springer, 2015)

The effect of several natural and synthetic antioxidants to retard the formation of polar compounds and thermo-oxidation at prolonged frying temperatures was studied. Antioxidants, including butyl hydroxyl toluene (BHT), ...
Influence of rare earth doping on the structural and electro-magnetic properties of SmFeAsO0.7F0.3 iron pnictide

Anooja, J B; Aswathy, P M; Neson varghese; Chandrakanth, C H; Devendra kumar, N; Sundaresan, A; Syamaprasad, U (Royal Society of Chemistry, 2015-08-01)

The effects of rare earth site doping on the structural, superconducting and magnetic properties of SmFeAsO0.7F0.3 iron pnictide are investigated. Gd3+ and Ce3+ ions are chosen by virtue of their position being on either ...
Inhibitory effect of Terminalia chebula Retz. fruit extracts on digestive enzyme related to diabetes and oxidative stress

Indu Sasidharan; Sundaresan, A; Nisha, V M; Mahesh, S K; Raghu, K G; Jayamurthy, P (Informa, 2012)

Terminalia chebula fruit extracts were prepared sequentially with hexane, ethyl acetate, methanol and methanol– water (70:30) and tested for their α-glucosidase inhibitory and antioxidant potential. The study resulted in ...
Investigation on unsaponifiable phytochemicals of rice bran oil

Afinisha Deepam, L S (Agroprocessing and Natural Products Division, National Institute for Interdisciplinary Science and Technology(CSIR), Thiruvananthapuram., 2011-03)
Invitro antioxidant activities of the methanol extract and its different solvent fractions obtained from the fruit pericarp of Terminalia bellerica

Nampoothiri, S V; Binil Raj, S S; Prathapan, A; Abhilash, P A; Arumughan, C; Sundaresan, A (Taylor & Francis, 2011)

Terminalia bellerica has been used as a traditional medicine in a variety of ailments including anaemia, asthma, cancer, inflammation, rheumatism and hypertension. In this study, the free radical scavenging and antioxidant ...
Isolation and densitometric hptlc method for quantification of belleric acid in the fruit pericarp of terminalia bellerica and its formulations

Nampoothiri, S V; Binil Raj, S S; Ranjith, A; Prathapan, A; Sundaresan, A (Research Inst Medicinal Plants, 2011)

For the first time a simple, sensitive, rapid, precise and accurate HPTLC method has been established for quantification of belleric acid in Terminalia bellerica (TB) fruit pericarp and its formulations. Silica gel plates ...
Isolation and identification of antimicrobial secondary metabolites from Bacillus cereus associated with a rhabditid entomopathogenic nematode

Nishanth Kumar, S; Bala Nambisan; Sundaresan, A; Mohandas, C; Anto, R J (Springer, 2014-03)

The cell-free culture filtrate of Bacillus cereus associated with an entomopathogenic nematode, Rhabditis (Oscheius) sp.,exhibited strong antimicrobial activity. The ethyl acetate extract of the bacterial culture filtrate ...

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