|本期目录/Table of Contents|

[1]王峰,乔飞,江雪飞.改进的变色酸分光光度法测海南粗榧生物碱总碱含量[J].江苏农业科学,2017,45(10):146-150.
 Wang Feng,et al.Determination of total content of alkaloids from Torreya grandis by modified chromotropic acid spectrophotometry[J].Jiangsu Agricultural Sciences,2017,45(10):146-150.
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改进的变色酸分光光度法测海南粗榧生物碱总碱含量(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年10期
页码:
146-150
栏目:
贮藏加工与检测分析
出版日期:
2017-05-20

文章信息/Info

Title:
Determination of total content of alkaloids from Torreya grandis by modified chromotropic acid spectrophotometry
作者:
王峰1 乔飞2 江雪飞1
1.海南大学热带农林学院/海南省热带生物资源可持续利用重点实验室,海南海口 570228;
2.中国热带农业科学院热带作物品种资源研究所/农业部华南作物基因资源与种质创制重点开放实验室,海南儋州 571737
Author(s):
Wang Fenget al
关键词:
生物碱总碱含量海南粗榧变色酸分光光度法测定方法改进
Keywords:
-
分类号:
R284.1
DOI:
-
文献标志码:
A
摘要:
以传统测定海南粗榧生物碱的方法为对照,参照改良的测甲醛含量的方法对其进行优化,以建立安全、快捷、准确测定海南粗榧生物碱总碱含量的新方法。结果表明,新方法兼备以上2种方法的优点,同时又避免了其缺点,具体表现为(1)用磷酸、过氧化氢取代98%浓硫酸,更安全;(2)用微波加热取代水浴加热,更快捷;(3)增加了挥发干甲醇溶剂的试验步骤,排除了甲醇溶剂的干扰,更准确;(4)试验进一步明确了最佳加热时间为35 s,最佳检测波长为558 nm。结果还表明,新方法在0~20 μg/mL范围内,三尖杉碱标准曲线回归方程为y=0.018 4x,线性相关系数r=0.999 5;重复性检测样品的RSD=0.59%;标样回收率98.85%~106.86%,且24 h内显色稳定,测定结果与传统方法无显著差异。综上,新方法安全、快捷、可靠,可作为测定海南粗榧生物碱总碱含量的新方法。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2016-02-25
基金项目:国家自然科学基金面上项目(编号:31570326);海南省自然科学基金(编号:20153059);海南大学中西部计划学科建设项目(编号:ZXBJH-XK008)。
作者简介:王峰(1990—),女,河南驻马店人,硕士,主要从事天然产物化学研究。E-mail:991956885@qq.com。
通信作者:江雪飞,博士,副教授,主要从事园艺植物逆境生理与分子生物学研究。E-mail:hnjiangxuefei@gmail.com。
更新日期/Last Update: 2017-05-20