Biomedical subjects

S Ignacimuthu

Publications and source records attributed to S Ignacimuthu.

23 records · Page 2Linked to original sources

PubMed2000

Influence of growth regulators and explant type on in vitro shoot propagation and rooting of red sandal wood (Pterocarpus santalinus L.).

In vitro shoot regeneration in Pterocarpus santalinus L. was achieved when detached cotyledons from in vitro germinated seedlings were cultured on MS medium containing NAA (0.1 mg/L), BA (1 mg/L) and kinetin (1 mg/L). The regenerated shoots rooted on 1/4 strength MS medium with IAA (1 mg/L) and the fully developed plantlets were successfully established in the soil.

Fabaceae↗

PubMed1999

Preliminary screening of ethnomedicinal plants from India.

Antibacterial activity of aqueous residues of 16 different ethnomedicinal plants have been studied. The effect of the aqueous extract at two different weights of plant residues, 30 and 40 mg, were tested against three gram positive bacteria and seven gram negative bacteria by the filter paper disc diffusion method. Among the tested plants, Cleome gynandropsis and Ageratum conyzoides showed a significant control of the growth of Alkaligens viscolactis, Klebsiella aerogenas, Bacillus cerues and Streptococcus pyogens. The maximum inhibitions were observed in Tridax procumbens, Cleome viscosa, Acalypha indica and Boerhaavia erecta against Aeromonas hydrophilla and Bacillus cerues.

Anti-Bacterial Agents↗

PubMed1998

Screening of 34 Indian medicinal plants for antibacterial properties.

A total of 34 plant species belonging to 18 different families, selected on the basis of folklore medicinal reports practised by the tribal people of Western Ghats, India, were assayed for antibacterial activity against Escherichia coli, Klebsiella aerogenes, Proteus vulgaris, and Pseudomonas aerogenes (gram-negative bacteria) at 1000-5000 ppm using the disc diffusion method. Of these 16 plants showed activity; among them Cassia fistula, Terminalia arjuna and Vitex negundo showed significant antibacterial activity against the tested bacteria. Our findings confirm the traditional therapeutic claims for these herbs.

Anti-Bacterial Agents↗

PubMed1998

Evaluation of the hypoglycaemic effect of Memecylon umbellatum in normal and alloxan diabetic mice.

Oral administration of an alcoholic extract of the leaves of Memecylon umbellatum led to a significant lowering of serum glucose levels in normal and alloxan-induced diabetic mice. Although the mechanism of action is unknown, the magnitude of glucose reduction in both the animal models is encouraging. The results indicate that M. umbellatum has interesting possibilities as a source of oral hypoglycaemic agents.

Alloxan↗

PubMed1998

Hypoglycemic activity of Cajanus cajan (seeds) in mice.

The effect of roasted and unroasted seeds of C. cajan on serum glucose levels of normal and alloxan diabetic mice were studied. Single doses of unroasted seeds (60% and 80%) on administration to normal as well as alloxanized mice showed significant reduction in the serum glucose levels after 1-2 hr and a significant rise at 3 hr. In case of roasted seeds, on other hand there was a significant increase in serum glucose levels during 3 hr experimental period. It is therefore concluded that roasting of seeds at high temperature for an half hour period resulted in the total loss of hypoglycemic principle but not the hyperglycemic principle present in the seeds.

Animals↗