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Humulus lupulus is a kind of special resource plant used both as medicine and food in Xinjiang. In addition to being widely used in beer brewing, Humulus lupulus has long been recognized for its medicinal value, especially for the treatment of postmenopausal osteoporosis. Modern pharmacological research shows that its active components have great potential in the development of anti-osteoporosis drugs. However, in recent years, the wild Humulus lupulus resources in China have been seriously degraded, and the contents of active components are quite different. Ensuring high-quality Humulus lupulus germplasm resources is a prerequisite for the development and utilization of Humulus lupulus. This paper reviews the major chemical components of Humulus lupulus and their effects and application in the prevention and treatment of osteoporosis, and discusses the existing problems, aiming to provide a reference for the development and utilization of Humulus lupulus against osteoporosis.
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Objective To establish fingerprint of Hupulus lupulus by HPLC.Methods Diamonsil C18column (250mm×4.6mm, 5μm) was used.The mobile phase consisted of acetonitrile and 0.1％phosphoric acid, in gradient elution mode, detection wavelength was 358nm, column pressure at 10.2MPa, column temperature was 30℃, injection volume of 10μl and flow rate was 1.0ml/min.Results A common mode of HPLC fingerprint of Hupulus lupulus was established.19common peaks were calibrated, xanthohumol, cohumulone, humulone, adhumulone, colupulone, lupulone and adlupulone for identification.Among the 26batches of Hupulus lupulus, 5batches of herbs had similarities of less than or equal 0.9, which were all wild varieties.Conclusion The method was fast, effective, accurate and reliably to distinguish the cultivation and wildness Hupulus lupulus, which provided reference for quality control of Hupulus lupulus.
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@#ObjectiveTo evaluate the effect of transureteroscopic Holmium:YAG laser lithotripsy on ureteral calculi.Methods105 cases of ureteral stones were treated by transureteroscopic Holmium:YAG laser lithotripsy. The transverses of stones were 4～15 mm and the vertical lengths were 5～25 mm.ResultsSuccessful lithotripsy was achieved on one session in 98 cases (95%), with the stones completely expelled within 2～6 weeks. Complications occurred in 4 cases and stones moved up in 3 cases.ConclusionThe transureteroscopic Holmium:YAG laser lithotripsy is an effective and safe method for ureteral calculi.
