2012
DOI: 10.1016/j.ijbiomac.2012.06.023
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The optimization of sulfation modification conditions for ophiopogonpolysaccharide based on antiviral activity

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Cited by 31 publications
(11 citation statements)
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“…The precipitations were lyophilized to get crude JPS t and JPS 50 . The extractions of OPS t and OPS 80 were similar to the above-mentioned method [15]. The carbohydrate contents of OPS 80 , OPS t , JPS 50 and JPS t were 80%, 79%, 52%, 51% in turn measured by the phenol-sulfuric acid method [16].…”
Section: Preparation Of Sops and Sjpsmentioning
confidence: 77%
“…The precipitations were lyophilized to get crude JPS t and JPS 50 . The extractions of OPS t and OPS 80 were similar to the above-mentioned method [15]. The carbohydrate contents of OPS 80 , OPS t , JPS 50 and JPS t were 80%, 79%, 52%, 51% in turn measured by the phenol-sulfuric acid method [16].…”
Section: Preparation Of Sops and Sjpsmentioning
confidence: 77%
“…Total polysaccharide and protein content were measured by the phenolsulfuric acid (at 490 nm) and Bradfrod (at 595 nm) method. [5] Sulfated modification of expolysaccharide Experimental design 13 conditions were designed according to the table 1 with three factors, including CSA/Pyr ratio (v/v), temperature ( o C) and time (h) [15]. Preparation of sulfation reagent CSA was added dropwise into Pyr filled in three-necked flask, with stirring and cooling in an ice water bath [2,14].…”
Section: Preparation Of Exopolysaccharidementioning
confidence: 99%
“…The sulfur content of S-EPS was determined by the method of Terho and Hartiala [16], with sodium sulfate as a standard. The DS was calculated according to the equation [15,17] Where, S% is the sulfur content of sulfated derivatives. For Fourier Transform Infrared Spectroscopy (FT-IR) analysis, samples were recorded on a Perkin-Elmer Spectrum One Spectrometer in the region between 400 and 4000 cm -1 .…”
Section: Analysis Of S-epsmentioning
confidence: 99%
“…Among these four herbs, RSM shows diverse biological activities, such as inhibition of angiotensin converting enzyme (ACE), lowering blood pressure, dilate arteries, and decreasing blood clotting [1820], thus is widely prescribed in different TCM formulae; RAM also shows protective effects against ultraviolet A-induced photoaging in human fibroblasts [21] and on proliferation and Akt phosphorylation of breast cancer cell lines [22]; isoflavones from RPL and their metabolites can inhibit growth and induce apoptosis in breast cancer cells [23]; ROJ plays a role in enhancing immunity, anti-myocardial ischemia, lowering blood glucose, and antiviral activity [24]. Impressively, RSM has shown synergisms with each of the other three herbs in clinical trials for cardiovascular disease (CVD) [17], the leading cause of morbidity and mortality all over the world [25].…”
Section: Introductionmentioning
confidence: 99%