Study on the Contents of Total Flavonoids and Total Phenols from Flower of Magnolia denudata and Magnolia grandiflora in Different Florescence(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on the Contents of Total Flavonoids and Total Phenols from Flower of Magnolia denudata and Magnolia grandiflora in Different Florescence

Author(s):: WU Zi-long; ZHAO Xin; LIU Xue-yuan; ZHANG Zi-xin; Handan Key Laboratory of Resource Plant，Biology Science Department，Handan College，Handan，Hebei 056005

Keywords:: Magnolia denudata; Magnolia grandiflora; florescence; total flavonoids content; total phenols content

Abstract:: Taking Magnolia denudata and M.grandiflora as materials,the contents of total flavonoids and total phenols from flower of Magnolia denudata and M.grandiflora in the early blooming stage，bud stage，first opening stage，full flowering stage，and final flowering were determined.The results showed that the content of total flavonoids from flower of M.grandiflora was higher than flower of M.denudata in same florescence，but the different florescent were different.In full flowering stage，the content of total flavonoids of M.denudata reached the highest, 7.63 mg/g，and the maximum content of M.grandiflora was bud stage，reached 19.30 mg/g.The content of total phenols from flower of M.grandiflora was higher than flower of M.denudata in two stages.They were early blooming stage and bud stage.Whereas in first opening stage，full flowering stage，and final flowering the content of total phenols from flower of M.grandiflora was lower than flower of M.denudata.The content of total phenols from flower of M.grandiflora was rising with florescence，and the highest content was observed in full flowering stage reached 56.61 mg/g.And the content of total phenols of M.grandiflora was highest in bud stage reached 76.80 mg/g.

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Last Update: 2014-08-22