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Summary Salvadora persica L. grows on the Eastern shore of the Sinai peninsula in a prostrate form giving rise to the formation of sand hillocks. It is described how branches of the tree are prepared for the use as toothbrush by the Bedouin. The anatomical structure of the branches predisposes them for their use as a toothbrush. Bundles composed of vessels embedded in a tissue of thick walled xylem fibres are separated from each other by thin walled xylem parenchyma with included phloem. When beaten these soft tissues are destroyed and the remaining strands of xylem fibres and vessels form the bristles of the toothbrush.

(1968). The Tooth - Brush Tree (Salvadora persica) Quarterly Journal of Crude Drug Research: Vol. 8, No. 4, pp. 1297-1299.

Summary Various growth chemicals control the synthesis of chlorophyll in the excised cotyledons of S.persica . Cytokinins like kinetin and 2ip, and KA fovoured this process as evidenced by the present study.

Salvadora persica, spec. nov. 1. Salvadora. Garc. act. angl. 1749. n. 491. Gen. nov. 1097. Habitat ad Sinum Persicum . ��� Frutex foliis oppositis, Racemo terminali., Published as part of Linnaeus, Carolus, 1753, Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas, Stockholm :Laurentius Salvius on page 122, DOI: 10.5281/zenodo.3931989

Zwei Baumarten der ariden Zone zeigen den Crassulaceen-Saurestoffwechsel, obwohl sie keine Sukkulenten sind. Dieser Saurestoffwechsel hangt also von der Anpassung an gewisse Umweltfaktoren (Temperatur, Luftfeuchtigkeit) ab.

The investigations on the mode of triglyceride biosynthesis during ripening ofSolanum indicum, Salvadora persica, Mimusops hexandra, Aegle marmelos andMesua ferrea seeds, using chromatographic techniques have shown that these fats follow essentially a stepwise mechanism involving the formation of mono- and diglycerides as intermediate products. This is in agreement with the general in vitro enzymatic esterification by bacteriolipase, castor bean lipase and pancreatic lipase. The experimental basis of the Quantum mechanism of lipogenesis, postulated earlier forCocos nucifera and recently for many phanerograms, has been shown to be inadequate and hence the validity of Quantum hypothesis appears to be doubtful.