Emblic medicine is a popular natural source in the world due to its outstanding healthcare and therapeutic functions.Our preliminary results indicated that the quality of emblic medicines might have an apparent region...Emblic medicine is a popular natural source in the world due to its outstanding healthcare and therapeutic functions.Our preliminary results indicated that the quality of emblic medicines might have an apparent regional variation.A rapid and effective geographical traceability system has not been designed yet.To trace the geographical origins so that their quality can be controlled,an integrated spectroscopic strategy including spectral pretreatment,outlier diagnosis,feature selection,data fusion,and machine learning algorithm was proposed.A featured data matrix(245220)was successfully generated,and a carefully adjusted RF machine learning algorithm was utilized to develop the geographical traceability model.The results demonstrate that the proposed strategy is effective and can be generalized.Sensitivity(SEN),specificity(SPE)and accuracy(ACC)of 97.65%,99.85%and 97.63%for the calibrated set,as well as 100.00%predictive efficiency,were obtained using this spectroscopic analysis strategy.Our study has created an integrated analysis process for multiple spectral data,which can achieve a rapid,nondestructive and green quality detection for emblic medicines originating from seventeen geographical origins.展开更多
Adventitious buds were induced by using tender buds emblic ( Phyllanthus emblica L. ) as explants with MS medium contained different concentration of BA and KT, GA 3,NAA or IAA, of which MS medium combined with 0.5 mg...Adventitious buds were induced by using tender buds emblic ( Phyllanthus emblica L. ) as explants with MS medium contained different concentration of BA and KT, GA 3,NAA or IAA, of which MS medium combined with 0.5 mg·L -1 of BA and 0.1 mg·L -1 of NAA is suitable for adventitious buds inducement, the rate of differentiation reached more than 90%. MS medium with 0.1 mg·L -1 of BA and 0.1 mg·L -1 of NAA is suitable for the growth of shoots, and 2 3 adventitious buds were regenerated in base. But rooting rate reached only about 30% by using 1/2 MS with 0.25 mg·L -1 of NAA or with 0.25 mg·L -1 of NAA and 0.25 mg·L -1 of IBA.展开更多
基金This work is financially supported by the National Wild Plant Germplasm Resources Infrastructure which is the follow-up work of a project called Standardization and Community for the Collection and Preservation of Important Wild Plant Germplasm Resources(2005DKA21006).
文摘Emblic medicine is a popular natural source in the world due to its outstanding healthcare and therapeutic functions.Our preliminary results indicated that the quality of emblic medicines might have an apparent regional variation.A rapid and effective geographical traceability system has not been designed yet.To trace the geographical origins so that their quality can be controlled,an integrated spectroscopic strategy including spectral pretreatment,outlier diagnosis,feature selection,data fusion,and machine learning algorithm was proposed.A featured data matrix(245220)was successfully generated,and a carefully adjusted RF machine learning algorithm was utilized to develop the geographical traceability model.The results demonstrate that the proposed strategy is effective and can be generalized.Sensitivity(SEN),specificity(SPE)and accuracy(ACC)of 97.65%,99.85%and 97.63%for the calibrated set,as well as 100.00%predictive efficiency,were obtained using this spectroscopic analysis strategy.Our study has created an integrated analysis process for multiple spectral data,which can achieve a rapid,nondestructive and green quality detection for emblic medicines originating from seventeen geographical origins.
文摘Adventitious buds were induced by using tender buds emblic ( Phyllanthus emblica L. ) as explants with MS medium contained different concentration of BA and KT, GA 3,NAA or IAA, of which MS medium combined with 0.5 mg·L -1 of BA and 0.1 mg·L -1 of NAA is suitable for adventitious buds inducement, the rate of differentiation reached more than 90%. MS medium with 0.1 mg·L -1 of BA and 0.1 mg·L -1 of NAA is suitable for the growth of shoots, and 2 3 adventitious buds were regenerated in base. But rooting rate reached only about 30% by using 1/2 MS with 0.25 mg·L -1 of NAA or with 0.25 mg·L -1 of NAA and 0.25 mg·L -1 of IBA.
