Krameria lappacea (Rhatany or Ratanhia, Krameriaceae) is an endangered, overexploited medicinal plant from the semi-deserts of Andean. Description and images of Krameria lappacea (), a native Chilean plant, provided by the supplier of native exotic Chilean seeds and organizer of plant watching. Krameria lappacea (Rhatany or Ratanhia, Krameriaceae) is an endangered, overexploited medicinal plant from the semi-deserts of Andean South America, and.
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In the course of the present work compound 7, one additional prominent peak, was isolated out of the roots of K. The past and the present uses of Rhatany KrameriaKrameriaceae Econ. United States Department of Agriculture. One prominent constituent of the lappcea extracts 3-formyl 4-hydroxyphenyl E -propenylbenzofuran; compound 7an additional lignan derivative, was isolated in course of the present study.
Retrieved from ” https: Individual stock solutions of standard compounds were prepared in methanol. By comparing variations within the same days intra-day precisions were determined, by observing differences within the 3 days inter-day precision was deduced. The root bark contains an almost insoluble free red substance called ratanhia red.
Compound 7 showed highest inter-day variance with maximum deviations of 2. This page was last edited on 21 Novemberat Attempts to improve the resolution with the aid of additives, such as tetrahydrofuran, 1- and 2-propanol or tert-butylmethyl ether, or a variation of temperature showed no effect.
The therapeutic indications comprise mild inflammations of mouth and throat such as stomatitis, gingivitis and pharyngitis . Please review our lapoacea policy. Relative standard deviations below 4. laopacea
Krameria – Wikipedia
Wikimedia Commons has media related to Krameria. In the case of root samples, different solvents methanol, acetone, DCM and mixtures thereof and extraction procedures sonication, ASE extraction were evaluated.
Separation was possible by changing the stationary phase from the phenyl-hexyl material to a RP column material, but as highlighted before this made a separation of compounds 11 and 12 impossible. Views Read Edit View history. In other projects Wikimedia Commons Wikispecies. Introduction Krameria lappacea Dombey Burdet et Simpson; syn. The content of these compounds in the drug, besides a gravimetrical analysis of the ratanhiaphenols I, II and III content of 0. Integrated Taxonomic Information System.
This article has been cited by other articles in PMC. Rhatany is kra,eria the name given to krameria roota botanical remedy consisting of la;pacea dried root of para rhatany Krameria argentea or Peruvian rhatany Krameria lappacea.
National Center for Biotechnology InformationU. Krameria are found across the Americaswith most native to the tropical regions. Selected species [ edit ] Krameria argentea Mart.
Besides already known antimicrobial, antioxidant, and photoprotective properties [3,5,7,9] of root extracts, we could demonstrate in a previous study the pronounced anti-inflammatory activity of a dichloromethane extract as well as of 11 isolated lignan derivatives compounds 1 — 6 and 8 — Appendix A Supplementary data associated with this article can be found, in the online version, at doi: The methanol insoluble part HPLC sample preparation Extract preparation.
Maximum deviations within one day intra-day precision were 4. Moreover it was obvious that by using just methanol or acetonitrile alone no satisfactory separation was achieved. This validated assay will be a useful tool for quality control of the plant material and its preparations, focusing on the compound class of lignan derivatives.
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Standards Compounds 1 — 6and 8 — 12 were isolated and their structures elucidated in a previous study . In order to orameria the calibration range the obtained samples were assayed directly for quantification of compounds 1 — 79 — 10 Each sample was assayed in triplicate.
ESI, alternating mode; spray voltage: The extract was evaporated to dryness yielding The roots comprise 2 prominent compound classes: The 2 extracts were combined and evaporated to dryness under reduced pressure.
Following these conditions the lignan derivatives were exhaustively extracted but the yield of undesired tannins could be minimized. In order to check if this extraction protocol is exhaustive, another 5 cycles after the normal extraction protocol were conducted and the obtained extract analyzed by HPLC.
Krameria lappacea | Andres Puiggros V. | Flickr
Isolation of ratanhine, a new dineolignan from the medicinal Ratanhiae Radix. Repeatability of the method was assured by relative standard deviations of multiple injections. Five additional calibration levels were prepared by dilution with methanol, and each level was assayed lappace triplicate see Table 1 for calibration data.