Results 271 to 280 of about 247,560 (310)

Wood and bark phytoliths of West African woody plants

Quaternary International, 2017
Abstract Long-term wood anatomical research has shown that 10% of the world's trees and shrubs produce silica in their wood, but silica production in bark had never been systematically investigated. We present here the results of the first comprehensive study on phytoliths in bark and compare them with data on wood phytoliths.
Lucia Veronica Collura, Katharina Neumann   +1 more
openaire   +1 more source

Plant Growth Inhibitory Activity of Goniothalamus andersonii Bark Incorporated with Soil on Selected Plants

European Journal of Experimental Biology, 2019
Phytotoxic effects of soil incorporation with Goniothalamus andersonii bark powder against Cucumis sativus (cucumber), Trifolium repens (white clover), Lactuca sativa (lettuce), and Lolium perenne (perennial ryegrass) were evaluated under the greenhouse condition for possible utilization as weed suppression.
Raihan Ismil, Nobuhiro Hirai, Yoshiharu Fujii   +2 more
openaire   +1 more source

Phytochemical and Pharmacological Appraisal of Barks from Unani Medicinal Plants

2020
The Unani system of medicine uses all three sources of drugs, viz., plant, animal and mineral origin in various dosage forms. Various parts of plant origin drugs are used in the treatment of diverse pathological states of the body. A single drug, plant parts and their formulations have been documented for their beneficial effects in the traditional and
Nasreen Jahan, Shaikh Ajij Ahmed Makbul
openaire   +1 more source

Kokusaginine: Plant sources and its isolation fromPtelea trifoliata root bark

Economic Botany, 1969
1. Kokusaginine, as the free base, has been isolated in a yield of 0.015% from root bark ofPtelea trifoliata. 2. By descending paper partition chromatography an Rf value of 0.70 has been determined for the alkaloid. 3. The incorporation of 2% hydrochloric acid solution and hot benzene in the extraction procedure appears to ...
R. K. Mulvey, J. Zalewski
openaire   +1 more source

Plant Anticancer Agents V: New Bisindole Alkaloids from Tabernaemontana johnstonii Stem Bark

Journal of Pharmaceutical Sciences, 1978
The isolation and structure elucidation of the three new bisindole alkaloids, gabunamine, tabernamine, and 19,20-epoxyconoduramine, from Tabernaemontana johnstonii stem bark are described. The isolation of the seven known alkaloids, conodurine, conoduramine, gabunine, isovacangine, ibogamine, pericyclivine, and perivine, from the same source also is ...
D G, Kingston, B B, Gerhart, F, Ionescu, M M, Mangino, S M, Sami   +4 more
openaire   +2 more sources

Heavy Metal Accumulation In Bark Some Woody Plants

2006
Fast technological and industrial development in the last two decades has caused accumulation of harmful matters in the air, water and on soil which nowadays have negative impact on climate and consequently on eco systems. In this paper we have presented the results of determination heavy metal in six plant species.
Caktaš, Filipa, Buzuk, Mario, Ruščić, Mirko, Bralić, Marija, Brinić, Slobodan   +4 more
openaire   +2 more sources

Antioxidants from the bark of Burkea africana, an African medicinal plant

Phytotherapy Research, 2002
AbstractThe bark of the tree Burkea africana is used medicinally in large areas of sub‐Saharan Africa. The constituents responsible for its putative activity are not well known. We have investigated the bark of B. africana for antioxidant and radical scavenging activity.
Elin, Mathisen, Drissa, Diallo, Øyvind M, Andersen, Karl Egil, Malterud   +3 more
openaire   +2 more sources

Barks and leaves of Lauraceae plants as anti-acne.

Pakistan journal of pharmaceutical sciences
Acne vulgaris is an inflammatory skin disease caused by several factors, including an imbalance of microorganisms compared to the normal microbial distribution in healthy tissue. The Lauraceae family which have been reported from antiseptic. This research was conducted to assayed the compounds, the biological activity of the Lauraceae plant essential ...
Nur, Adliani, Defri, Rizaldy, Marlia, Singgih Wibowo, Rachmat, Mauludin, -, Sukrasno   +4 more
openaire   +1 more source

Native tree bark decomposition for substrata formation for plant cultivation

1994
Se sometió a un proceso biológico de oxidación incompleta (compostización) una mezcla de cortezas de árboles nativos bajo los efectos de la adición de nitrógeno (urea), fósforo (superfosfato triple), ceniza de caldera dendroenergética e inóculo de mantillo de bosque nativo. Las mejores propiedades físicas de la corteza transformada se obtuvieron con el
Gerding, Victor, Grez, Renato, Rondanelli, Gladys V.   +2 more
openaire   +1 more source

Cr VI Biosorption on different plant seed bark

2020
Supriya Singh, Dr Sudhir Kr Srivastava, Prof Alka Tripathi   +2 more
openaire   +1 more source