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. 2017 Nov 21;11:118. doi: 10.1186/s13065-017-0349-2

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — UV spectrophotometry analysis (the UV actives region at 490 nm) for the purity of water soluble polysaccharides of T. ammi (Linn) Sprague (a) and D. biflorus Linn. (b) purified by gel permeation chromatography