title: [Comparative and correlational studies on contents of stilbenes in different portions of mulberry].
abstract: OBJECTIVE
  To compare the contents of stilbenes in different parts and axial root bark of mulberry, and study their correlation.
  
  
  METHODS
  The contents of 3 major stilbenes, mulberroside A, oxyresveratrol, and resveratrol in different parts of mulberry were determined by HPLC. The correlation and regression analysis between the contents of stilbenes in the different parts and axial root bark was carried out.
  
  
  RESULTS
  The contents of stilbenes in most different parts of mulberry showed significant correlation. Between the contents of stilbenes in the different parts and axial root bark, oxyresveratrol showed significant correlation among all different parts, resveratrol showed significant correlation except in spinal cord of annual branch, mulberroside A showed significant correlation between bark of annual branch, lateral root and axial root bark. The results of the correlation and regression analysis indicated that the contents of mulberroside A, oxyresveratrol, resveratrol in different parts and axial root bark were significant positively correlated.
  
  
  CONCLUSIONS
  The contents of stilbenes are significant correlation distributed in different parts and axial root bark of mulberry. The contents of stilbenes in different parts could be used to estimate the content of the axial root bark. The result could be useful for breeding and preserving excellent germplasm at the system breed process for mulberry of rich in stilbenes.
authors.affiliation: School of Bioscience and Technology, Hunan Agricultural University, Changsha 410128, China.
authors.forename: Jin
authors.initials: J
authors.lastname: Zhou
authors.affiliation: School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China.
authors.forename: Shun-Xiang
authors.initials: SX
authors.lastname: Li
authors.affiliation: Sercultural Sciences Institute of Hunan Province, Changsha 410127, China.
authors.forename: Xin-Pei
authors.initials: XP
authors.lastname: Yan
authors.affiliation: School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China.
authors.forename: Mei
authors.initials: M
authors.lastname: Ji
authors.affiliation: School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China.
authors.forename: Xiao-Yi
authors.initials: XY
authors.lastname: Guo
authors.affiliation: School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China.
authors.forename: Dan
authors.initials: D
authors.lastname: Huang
authors.affiliation: Natsource Chemicals (Changsha) Corporation, Changsha 410329, China.
authors.forename: Qun-Yi
authors.initials: QY
authors.lastname: Zheng
mesh_terms: D002851:Chromatography, High Pressure Liquid; D004187:Disaccharides / Q000737:chemistry; D031625:Morus / Q000737:chemistry*; D018517:Plant Roots / Q000737:chemistry; D000077185:Resveratrol; D013267:Stilbenes / Q000737:chemistry*
chemical_list: D004187:Disaccharides; D013267:Stilbenes; C420606:mulberroside A; D000077185:Resveratrol