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Bioavailability assessment of hexachlorobenzene in soil as affected by wheat straw biochar
(Elsevier, 2012-05-30)
Biochar incorporation with soil could increase sorption of organic contaminants, thereby reducing their bioavailability. In this study, the effects of wheat straw biochar on the sorption, dissipation and bioavailability ...
Antinociceptive and antiplasmodial activities of cassane furanoditerpenes from Caesalpinia volkensii H. root bark
(Elsevier, 2012-01-01)
The chloroform and ethyl acetate extract (100mg/kg) of Caesalpinia volkensii H. exhibited
significant (P≤ 0.05) antinociceptive activities using hot plate and writhing tests in mice
while the later showed antiplasmodial ...
Quality and yields of black tea Camellia sinensis (L.) O. Kuntze responses to harvesting: A review on experiences from Kenya
(PBS Journals, 2012)
Tea beverages, from tender shoots of Camellia sinensis L., are the most widely consumed fluids after water. The young tender shoots of the plant are harvested using various plucking methods. Incorrect plucking leads to ...
Changes in soil properties following conversion of forests into intensively managed Camellia sinensis L. plantations along a chronosequence.
(International Society of Tea Science, 2012)
Tea in Kenya was introduced in the beginning of the 20th Century, although commercial cultivation commenced in 1924. The total acreage of tea plantations has steadily increased and currently covers approx. 0.15 million ha, ...
In Vitro Permeation of Mesembrine Alkaloids from Sceletium tortuosum across Porcine Buccal, Sublingual, and Intestinal Mucosa
(Planta Medica, 2012)
Sceletium tortuosum is an indigenous South African plant that has traditionally been used for its mood-enhancing properties. Recently, products containing S. tortuosum have become increasingly popular and are commonly ...
The chemotypic variation of Sceletium tortuosum alkaloids and commercial product formulations
(Elservier, 2012)
Commercial production and trade in Sceletium tortuosum and its products is on the rise due to an increase in consumer demand. Mesembrine-type alkaloids are the main active compounds responsible for the therapeutic properties ...
The chemotypic variation of Sceletium tortuosum alkaloids and commercial product formulations
(Pergamon, 2012)
Commercial production and trade in Sceletium tortuosum and its products is on the rise due to an increase in consumer demand. Mesembrine-type alkaloids are the main active compounds responsible for the therapeutic properties ...
An HPTLC-densitometry method for the quantification of pharmacologically active alkaloids in Sceletium tortuosum raw material and products
(Akadémiai Kiadó, 2012)
Mesembrine-type alkaloids are reported to be responsible for the psychoactive properties of Sceletium tortuosum. The aim of the study was to develop a simple, rapid, and precise high-performance thin-layer chromatography ...