UPSpace Home
→
Natural & Agricultural Sciences
→
Plant Science
→
Research Articles (Plant Science)
→
Browsing Research Articles (Plant Science) by Author

Browsing Research Articles (Plant Science) by Author "Lall, Namrita"

Now showing items 1-20 of 20

Activity of 7-methyljuglone derivatives against Mycobacterium tuberculosis and as subversive substrates for mycothiol disulfide reductase

Mahapatra, A.; Mativandlela, S.P.N.; Binneman, B.; Fourie, P. Bernard; Hamilton, Chris J.; Meyer, J.J.M. (Jacobus Johannes Marion); Van der Kooy, Frank; Houghton, Peter James; Lall, Namrita (Elsevier, 2007-12)

The naphthoquinone 7-methyljuglone (5-hydroxy-7-methyl-1,4-naphthoquinone) has previously been isolated and identified as an active component of root extracts of Euclea natalensis which displays antitubercular activity. ...
Antibacterial, antifungal and antitubercular activity of (the roots of) Pelargonium reniforme (CURT) and Pelargonium sidoides (DC) (Geraniaceae) root extracts

Mativandlela, S.P.N.; Lall, Namrita; Meyer, J.J.M. (Jacobus Johannes Marion) (Elsevier, 2006)

Root extracts of Pelargonium reniforme CURT and Pelargonium sidoides DC were evaluated for antibacterial and antifungal assays using the agar dilution while antitubercular assays were done using the BACTEC method at ...
Anticancer activity of certain herbs and spices on the cervical epithelial carcinoma (HeLa) cell line

Berrington, Danielle; Lall, Namrita (Hindawi Publishing Corporation, 2012)

Acetone extracts of selected plant species were evaluated for their in vitro cytotoxicity against a noncancerous African green monkey kidney (Vero) cell line and an adenocarcinoma cervical cancer (HeLa) cell line. The ...
Antidiabetic activity of Terminalia sericea Burch. Ex DC constituents

Nkobole, Nolitha; Houghton, Peter James; Hussein, Ahmed A.; Lall, Namrita (Natural Product, 2011)

Diabetes mellitus is an endocrine disorder that affects more than 100 million people worldwide. South African plants namely Terminalia sericea, Euclea natalensis, Warbugia salutaris, Aloe ferox Artemisia afra, Sclerocarya ...
Antimicrobial constituents of Artemisia afra Jacq. exWilld. against periodontal pathogens

More, Garland; Lall, Namrita; Hussein, Ahmed A.; Tshikalange, T.E. (Thilivhali Emmanuel) (2012)

The phytochemical investigation of an ethanol extract of Artemisia afra led to the isolation of six known compounds, acacetin (1), 12α,4α-dihydroxybishopsolicepolide (2), scopoletin (3), α-amyrin (4), phytol (5), and a ...
Antioxidant activity and cytotoxicity effect of flavonoids isolated from athrixia phylicoides

Mavundza, E.J.; Tshikalange, T.E. (Thilivhali Emmanuel); Lall, Namrita; Hussein, Ahmed A.; Mudau, Fhatuwani N.; Meyer, J.J.M. (Jacobus Johannes Marion) (Academic Journals, 2010-12)

Bioassay-guided fractionation of an ethanolic extract from aerial parts of Athrixia phylicoides using silica and sephadex column chromatography led to the isolation of three flavonoids. The compounds were identified as: ...
Crude extracts of, and purified compounds from, Pterocarpus angolensis, and the essential oil of Lippia javanica : their in-vitro cytotoxicities and activities against selected bacteria and Entamoeba histolytica

Samie, A.; Housein, A.; Lall, Namrita; Meyer, J.J.M. (Jacobus Johannes Marion) (Maney, 2009-04)

In a recent study, various extracts of Pterocarpus angolensis were prepared and tested against bacteria. The acetone extract was found to be the most active against all the bacteria investigated, with minimum inhibitory ...
Evaluation of four Cameroonian medicinal plants for anticancer, antigonorrheal and antireverse transcriptase activities

Mbaveng, Armelle T.; Kuete, Victor; Mapunya, M.B. (Manyatja Brenda); Beng, Veronique P.; Nkengfack, Augustin E.; Meyer, J.J.M. (Jacobus Johannes Marion); Lall, Namrita (Elsevier, 2011-09)

Methanol extracts from the leaves, bark and roots of four Cameroonian medicinal plants, Bersama engleriana, Cupressus lusitanica, Vitellaria paradoxa and Guibourtia tessmannii were tested for their in vitro cytotoxicity, ...
Hypoglycaemic activity of four plant extracts traditionally used in South Africa for diabetes

Deutschlander, M.S. (Miranda Susan); Van de Venter, M.; Roux, S.; Lall, Namrita; Louw, J. (Elsevier, 2009)

AIM: To validate plant species for Hypoglycaemic activity. MATERIALS AND METHODS: Four plants were investigated for hypoglycaemic activity by evaluating inhibiting effects on carbohydrate-hydrolising enzymes: α-glucosidase ...
The hypoglycemic activity of Euclea undulata Thunb. var. myrtina (Ebenaceae) root bark evaluated in a streptozotocin-nicotinamide induced type 2 diabetes rat model

Deutschlander, M.S. (Miranda Susan); Lall, Namrita; Van de Venter, M.; Dewanjee, S. (Elsevier, 2012-05)

The hypoglycaemic activity of a crude acetone extract of the root bark of Euclea undulata var. myrtina was evaluated in a streptozotocin-nicotinamide induced type 2 diabetes rat model after positive results were obtained ...
Hypoglycemic evaluation of a new triterpene and other compounds isolated from Euclea undulata Thunb. var. myrtina (Ebenaceae) root bark

Deutschlander, M.S. (Miranda Susan); Lall, Namrita; Van de Venter, M.; Hussein, Ahmed A. (Elsevier, 2011-02)

AIM OF THE STUDY: Investigate the hypoglycaemic activity of the four isolated compounds from a crude acetone extract of the root bark of Euclea undulata var. myrtina, which is used by traditional healers in the Venda ...
Investigation of the possible biological activities of a poisonous South African plant ; Hyaenanche globosa (Euphorbiaceae)

Momtaz, Saeideh; Lall, Namrita; Hussein, Ahmed A.; Ostad, Seyed Nasser; Abdollahi, Mohammad (Medknow Publications and Media Pvt. Ltd., 2010-02)

The present study was undertaken to explore the possible biochemical activities of Hyaenanche globosa Lamb. and its compounds. Two different extracts (ethanol and dichloromethane) of four different parts (leaves, root, ...
In vitro anti-HIV-1 properties of ethnobotanically selected South African plants used in the treatment of sexually transmitted diseases

Tshikalange, T.E. (Thilivhali Emmanuel); Meyer, J.J.M. (Jacobus Johannes Marion); Lall, Namrita; Munoz, E.; Sancho, R.; Van de Venter, M.; Oosthuizen, V. (Elsevier, 2008)

Terminalia sericea extract (IC50 = 92 mg/ml) exhibited a considerable α-glucosidase inhibitory activity which was better than acarbose (IC50 = 131 mg/ml) under our assay conditions. In the reverse transcriptase assay, T. ...
In vitro chemo-preventative activity of Crotalaria agatiflora subspecies agatiflora Schweinf

Le Roux, Karlien; Hussein, Ahmed A.; Lall, Namrita (Elsevier, 2011-12)

ETHNOPHARMACOLOGICAL RELEVANCE: Crotalaria species have been widely used in Chinese traditional medicine to treat several types of internal cancers. Crotalaria agatiflora is used as a medicinal plant in several African ...
In-vitro cytotoxicity and antimicrobial activities, against clinical isolates of Campylobacter species and Entamoeba histolytica, of local medicinal plants from the Venda region, in South Africa

Samie, A.; Obi, Chikwelu Larry; Lall, Namrita; Meyer, J.J.M. (Jacobus Johannes Marion) (Maney, 2009)

In the quest for alternative treatments against Campylobacter jejuni and Entamoeba histolytica, which are both aetiological agents of diarrhoea world-wide, the in-vitro activities against the two pathogens of extracts of ...
Melanogenesis and antityrosinase activity of selected South African plants

Mapunya, M.B. (Manyatja Brenda); Nikolova, Roumiana Vassileva; Lall, Namrita (Hindawi Publishing Corporation, 2012)

Melanin is the pigment that is responsible for the colour of eyes, hair, and skin in humans. Tyrosinase is known to be the key enzyme in melanin biosynthesis. Overactivity of this enzyme leads to dermatological disorders ...
Synergistic antimycobacterial actions of knowltonia vesicatoria (L.f) sims

Labuschagne, Antoinette; Hussein, Ahmed A.; Rodriguez, Benjamin; Lall, Namrita (Hindawi Publishing Corporation, 2012)

Euclea natalensis A.DC., Knowltonia vesicatoria (L.f) Sims, and Pelargonium sidoides DC. are South African plants traditionally used to treat tuberculosis. Extracts from these plants were used in combination with isoniazid ...
Three new α-glucosidase inhibitors from guggul, the oleogum resin of Commiphora wightii

El-Mekkawy, Sahar; Meselhy, Meselhy Ragab; Nkobole, Nolitha; Lall, Namrita (Routledge, 2013-01)

Three new compounds; epi-mukulin, (Z)- 1,2 dehydroguggulsterone and 6,7dehydro-20-hydroxygugglsterone were isolated from the n-hexane-soluble fraction (HSF) of the methanol extract of guggul, the oleogum resin of Commiphora ...
Tyrosinase activity of Greyia flanaganii (Bolus) constituents

Mapunya, M.B. (Manyatja Brenda); Hussein, Ahmed A.; Rodriguez, B.; Lall, Namrita (Elsevier, 2011)

Hyper-pigmentation of the skin is a common problem that is prevalent in middle aged and elderly people. It is caused by over production of melanin. Tyrosinase is known to be the key enzyme in melanin production. Ethanolic ...
Variation in the content of naphthoquinones in seeds and seedlings of Euclea natalensis

Bapela, M.J.; Lall, Namrita; Isaza-Martinez, J.H.; Regnier, Thierry J.C.; Meyer, J.J.M. (Jacobus Johannes Marion) (Elsevier, 2007-11)

A correlation between plant growth and accumulation of naphthoquinones (shinanolone (1), 7-methyljuglone (2) and diospyrin (3)) was investigated in seeds and seedlings of Euclea natalensis A.DC. In this study, the seeds ...

Now showing items 1-20 of 20

Search UPSpace

Advanced Search

Browse

All of UPSpace
This Collection
- By Issue Date
- Authors
- Titles
- Subjects

Browsing Research Articles (Plant Science) by Author "Lall, Namrita"

DSpace/Manakin Repository

Browsing Research Articles (Plant Science) by Author "Lall, Namrita"

Search UPSpace

Browse

All of UPSpace

This Collection

My Account