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Acta Horticulturae Sinica ›› 2021, Vol. 48 ›› Issue (10): 1956-1968.doi: 10.16420/j.issn.0513-353x.2021-0408

• Research Papers • Previous Articles     Next Articles

Flavonoids Composition and Content in Petals of Lagerstroemia and Heimia Species and Cultivars

LIN Qifang, LIU Tingting, LIU Jieru, CAI Ming, CHENG Tangren, WANG Jia, ZHANG Qixiang, PAN Huitang*()   

  1. Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding;National Engineering Research Center for Floriculture;Beijing Laboratory of Urban and Rural Ecological Environment;School of Landscape Architecture,Beijing Forestry University,Beijing 100083,China
  • Received:2021-06-02 Revised:2021-08-03 Online:2021-10-25 Published:2021-11-01
  • Contact: PAN Huitang E-mail:htpan@bjfu.edu.cn

Abstract:

In order to clarify the pigment composition of Lagerstroemia and Heimia,and to explore the feasibility of obtaining Lagerstroemia cultivar with yellow petals by distant hybridization,petal colors of eight Lagerstroemia species and cultivars and two Heimia species were used in this research. The Royal Horticultural Society Color Chart(R.H.S.C.C.)was used for the measurement of the phenotype parameters. UPLC-ESI-MS/MS method was used for profiling the flavonoids in petals of ten samples. The results showed that the petal color of Lagerstroemia can be divided into three color groups,including red,violet and white,and a total of 158 flavonoids were detected. The petal color of two Heimia species was yellow,and a total of 138 flavonoids were detected. Compared with Heimia,there were 32 metabolites with low content in the petals of Lagerstroemia. Among them,the relative content of apigenin-4-O-rhamnoside,apigenin-O- glucoside-O-rhamnoside,luteolin,luteolin-7-O-rutinoside,kaempferol-3-O-glucoside-7-O-rhamnoside,kaempferol-3-O-robinobioside,kaempferol-3-O-rutinoside,kaempferol-3-O-glucoside and kaempferol-7- O-glucoside in the petals of Heimia were much higher than that of Lagerstroemia,which were speculated to be the mainly metabolites in the yellow petals of Heimia. In Lagerstroemia,the main flavonoids metabolites of the violet and red group are anthocyanins,and the flavones and flavonolss in the white petals were mainly luteolin and quercetin. The difference in petal color was caused by the difference of intermediate products or final products accumulation in the flavonoid metabolism pathway between Lagerstroemia and Heimia.

Key words: Lagerstroemia, Heimia, petal color, flavonoids, UPLC-ESI-MS/MS

CLC Number: