[1]郑茜子,赵冰*,曾慧敏,等. 3种不同颜色秦岭美容杜鹃花瓣中色素组成和含量比较分析[J].西北林学院学报,2017,32(1):62-68.[doi:10.3969/j.issn.1001-7461.2017.01.10]
　ZHENG Xi-zi,ZHAO Bing*,ZENG Hui-min,et al. Comparative Analysis of Composition and Content of Pigments in Petals of Three Different Colors of Rhododendron calophytum in Qinling Mountains[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(1):62-68.[doi:10.3969/j.issn.1001-7461.2017.01.10]
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 3种不同颜色秦岭美容杜鹃花瓣中色素组成和含量比较分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第1期
页码:
62-68
栏目:
出版日期:
2017-01-31

文章信息/Info

Title:
 Comparative Analysis of Composition and Content of Pigments in Petals of Three Different Colors of Rhododendron calophytum in Qinling Mountains
文章编号:
1001-7461(2017)01-0062-07
作者:
 郑茜子; 赵冰*; 曾慧敏; 申惠翡; 徐静静
 (西北农林科技大学 风景园林艺术学院，陕西 杨陵 712100)
Author(s):
 ZHENG Xi-zi; ZHAO Bing*; ZENG Hui-min; SHEN Hui-fei; XU Jing-jing
 (College of Landscape Architecture and Arts,Northwest A&F University,Yangling,Shaanxi 712100,China)
关键词:
 ; 美容杜鹃; 色素; 成色机制; 花青素
Keywords:
 ; Rhododendron calophytum;  pigment;  coloring mechanism;  anthocyanin
分类号:
S685.21
DOI:
10.3969/j.issn.1001-7461.2017.01.10
文献标志码:
A
摘要:
 以秦岭美容杜鹃不同颜色花瓣为试验材料，运用高效液相色谱一二级管阵列检测法和紫外-可见色素光谱分析法，对其色素进行定性和定量分析。结果表明：3种不同颜色的美容杜鹃花主要含有飞燕草素、天竺葵素、矢车菊素半乳糖苷、矢车菊素芸香苷、阿拉伯糖苷、芦丁、对香豆酸、二氢槲皮素、杨梅素、山奈酚和槲皮素等。花青素/苷以紫色美容杜鹃中含量最高，含量为4 107.45 mg·kg-1，白色美容杜鹃含量则为1 270.98 mg·kg-1， 说明美容杜鹃红色系形成的主要原因是含有大量花青素和所衍生的各种糖苷。本试验中美容杜鹃3种颜色花瓣中均有花青苷存在，这表明由于美容杜鹃花瓣中内面基部上方有1枚紫红色斑块，所以色素合成分布于整朵花中；其次美容杜鹃同种内花瓣颜色变化是以花青素/苷为主，其他类黄酮为辅的复合花色素表现而形成。
Abstract:
 The pigments in the petals of Rhododendron calophytum with different colors were identified by using high performance liquid chromatography and UV photo-spectrometer methods.The results demonstrated that the main chromogenic pigments in three different colors were delphinidin,pelargonidin,cyanidin-galactoside,cyanidin-3-rutinoside,arabinopyranoisde,rutin,ρ-coumaric acid,dihydroquercetin,myricetin,kaempferol and quecetin.The purple petal had the highest content of anthocyanin ( 4 107.45 mg·kg-1) and the white one contained the highest amount of anthocyanin (1 270.98 mg·kg-1).Therefore the formation of the red R.calophytum was mainly due to it contained a lot of anthocyanins,and various derived glycosides.Three different colors of R.calophytum in Qinling Mountains all had anthocyanin in their petals.Due to the purple patch was in the up inner surface of the base of petals,the pigment synthesis were distributed in the whole flower.The changes petal color within the same variety of R.calophytum were mainly due to the composite anthocyanidins which were mainly composed of anthocyanidins and other flavonoids.

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备注/Memo

备注/Memo:
 收稿日期：2016-04-09修回日期：2016-05-24
基金项目：西北农林科技大学国际科技合作基金资助项目（A213021501）。
作者简介：郑茜子，女，硕士研究生，研究方向：秦岭美容杜鹃快繁体系。E-mail:287096413@qq.com
*通信作者：赵冰，女，副教授，研究方向：园林植物种质资源调查与评价；园林植物育种与生物技术；园林植物的逆境生理与分子生物学。E-mail:bingbing2003915@163.com
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