The Effect of Mineral Nutrition on Photostnthetic Activity and Saponin Content of Puncture Vine (Tribulus Terrestris L.)
Puncture vine (Tribulus terrestris L., Zygophyllaceae) is an annual prostrate medicinal plant that is widely used for treatment of sexual deficiency, as an affrodiziak. Steriodal saponins and rutin are among the basic compounds responsible for the biological activities of T. terrestris extracts. Efficiency of mineral nutrition (soil or foliar supply of nutrients ) on the growth, dry matter and saponin content of the above ground biomass of Bulgarian variety puncture vine grown in soil as pot experiment in green house have been studied. Soil fertilization rate of 100 mgN/kg or 90 P/kg of dry soil, oppositely to the results obtained from the foliar fed plants (0.3% solution of liquid fertilizer AgrolearR (Scotts Co, U.S.A.) with formulation N12P52K5, increased shoot total N and P without significant change of dry matter. Changes of total reducing sugars, amino acids, phenolics and flavonoids and activity of photosynthetic apparatus (thermoluminescence emission) were found to relate to the variation of individual saponin contents analysed by HPLC technique. Soil fertilized plant in contrast to the foliar fed plants showed more furostanol saponins (protodioscin, prototribestan and dioscin) than control but contained less of flavonoid glycoside rutin.
Puncture vine (Tribulus terrestris L.) Mineral nutrition Photosynthesis Thermoluminescence saponins Growth
Georgi I Georgiev Liliana Maslenkova Antoaneta Ivanova Luba Evstatieva Albena Ivanova Lozanka Popova
Institute of Plant Physiology and Genetics, BAS, 1113 Sofia, Bulgaria Institute of Organic Chemistry with Centre of Phytochemistry, BAS, 1113 Sofia, Bulgaria Institute of Botany, Bulgarian Academy of Sciences
国际会议
15th International Conference on Photosynthesis(第15届国际光合作用大会)
北京
英文
789-793
2010-08-22(万方平台首次上网日期,不代表论文的发表时间)