Distribution and Accumulating Regularity of Secondary Metabolites in Helianthus annuus L.
GAO Yin-Xiang1,2；ZU Yuan-Gang1；YANG Feng-Jian1；YU Xue-Ying1；YAO Li-Ping1*
Bulletin of Botanical Research . 2014, (6): 782 -786 .  DOI: 10.7525/j.issn.1673-5102.2014.06.011