Quality assessment on Curcuma longa from the different producing areas

OBJECTIVE To research the quality control of Curcuma longa L.. METHODS The appearance and microscopic characteristics were watched. The moisture content,total ash,acid-insoluble ash,extract content,volatile oil content were detected IR and curcumin( Cur) content of Curcuma longa were invesitigated. RESULTS The differences in the moisture content,total ash,acid-insoluble ash,extract content of each batches Curcuma longa were evaluated. The content of Cur in Curcuma longa was in the range of1. 19% to 5. 13%,conventional medicine test results were in line with the 2010 edition of the pharmacopoeia requirements.CONCLUSION The identification method is selective and sensitive. The quantitative method is simple,rapid,accurate and can be used to assess the quality of Curcuma longa.