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Objective: To systematically evaluate the safety and feasibility of early oral feeding after gastric cancer surgery., Methods: Available literatures of Embase, PubMed, Journals@Ovid, Web of Science, Springerlink, Google Scholar, Wanfang, and CNKI published before October 2012 were searched. Inclusion criteria and quality assessment were performed., Results: Nine studies including 778 patients undergoing gastrectomy were enrolled. Among them, 381 started oral intake before the recovery of bowel function(early oral feeding group), and 397 received traditional feeding. Differences in overall complication(RR=0.88, 95%CI:0.68-1.16) and tolerance (RR=1.01, 95%CI:0.96-1.06) between the two groups were not statistically significant. Patients the in early oral feeding group had faster bowel function recovery (MD=-0.86, 95%CI:-1.20--0.51) and shorter hospital stay(MD=-2.40, 95%CI:-3.33--1.47)., Conclusion: Early oral feeding after gastrectomy is safe and feasible, and associated with faster recovery of bowel function and earlier discharge from hospital.

Objective: To separate and identify the chemical constituents of Blumea riparia., Method: The compounds were separated and purified by repeated silica gel, Sephadex LH -20 column chromatographiy. The structures of these compounds isolated were identified by analysis of their spectral data, physical and chemical properties., Result: Six flavonoids were isolated from B. riparia. and their structures were identified as eriodictyol-7, 4'-dimethyl ether (1), eriodictyol-7, 3'-dimethyl ether (2), eriodictyol-7-methyl ether (3), quercetin-7, 3', 4'-trimethyl ether (4), tamarixetin (5), rhamnocitrin (6)., Conclusion: Compound 1-6 were obtained from B. riparia for the first time.