Antifungal Activity of Senna alata, Senna bicapsularis and Pityrogramma calomelanos

Senna alata leaves are a good source of propelargonidins.

Proanthocyanidins (PA) in Senna alata leaves were investigated by thiolysis with benzyl mercaptan, LC-MS and NMR and consisted of almost pure propelargonidins with <6% procyanidins, had B-type linkages and a mean degree of polymerisation of three. Epiafzelechin was the major flavan-3-ol subunit (>94%) and epicatechin a minor constituent (6.4%) in residual PA and mainly detected as an extension ...

Antiprotozoal activity of Senna racemosa.

Methanol extracts of leaves, roots and bark of Senna racemosa (Mill.) H.S. Irwin & Barneby (syn. Cassia racemosa Mill.) were tested for antiprotozooal activity against Giardia intestinalis and Entamoeba histolytica. All of the tested extracts showed good activity against both protozoa species. Extracts from stem bark and leaves were most active, with an IC(50) of 2.10 microg/mL for Giardia inte...

933-940 Lemos Senna LAJP 1824:Lemos Senna

In-vitro propagation of Senna alata (linn) on WPM and MS media with varying PGR

Plants react differently to various media concentration and constituents. Growth of Senna alata (linn) inoculated on woody plant media (WPM) and Murashige & Skoog (MS) supplemented with growth regulators were investigated. Mature seeds were collected from the medicinal garden of National Centre for Genetic Resources and Biotechnology (NACGRAB), Ibadan; latitude 70221N; longitude 30 551E. Seeds ...

Sennosides A and B production by hairy roots of Senna alata (L.) Roxb.

Hairy roots of Senna alata transformed with Agrobacterium rhizogenes, strain ATCC 15834 were induced and grown in half-strength Murashige and Skoog (MS) medium. Effects of sucrose contents and hormones on the growth and sennosides A, B production were investigated. Hairy roots cultured on hormone-free half-strength MS medium containing 5% sucrose under dark condition mostly stimulated the growt...