CN105176938A - 一种从蓝莓果汁中同时分离花青素、sod与尼克酸的方法 - Google Patents

一种从蓝莓果汁中同时分离花青素、sod与尼克酸的方法 Download PDF

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CN105176938A
CN105176938A CN201510554563.XA CN201510554563A CN105176938A CN 105176938 A CN105176938 A CN 105176938A CN 201510554563 A CN201510554563 A CN 201510554563A CN 105176938 A CN105176938 A CN 105176938A
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sod
nicotinic acid
anthocyanidin
blueberry juice
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欧小鲁
余志城
严汉彬
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Guangdong Ronghe Ecological Agriculture Co Ltd
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Abstract

本发明公开了一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法,包括如下步骤:(1)加乙酸;(2)过柱;(3)分离花青素;(4)分离SOD与尼克酸。本发明采用Diaion?HP220大孔吸附树脂色谱柱对花青素、SOD与尼克酸进行吸附,使上述三种物质吸附在色谱柱上,用甲醇水洗脱花青素,用磷酸缓冲溶液洗脱SOD与尼克酸,用等电点沉淀法分离得到SOD。用一种方法分离得到三种物质,工艺简单,大大减少了各种功能成分的提取分离成本。

Description

一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法
技术领域
本发明属于从蓝莓汁分离各种物质的技术领域,具体涉及一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法。
背景技术
蓝莓果实中除了常规的糖、酸和Vc外,富含VE、VA、VB、SOD、熊果苷、蛋白质、花青苷、食用纤维以及丰富的K、Fe、Zn、Ca等矿质元素。长白山海拔700-2100米的原始生态环境中的野生高山蓝莓为原料,营养丰富,口感独特,有助于提高视力,缓解眼疲劳,蓝莓中的蓝莓花青素还具有清除氧自由基,抗癌等作用。长白山的野生蓝莓果品质独特,具有与其他地区蓝莓果不同的风味,因此用长白山野生蓝莓生产的果汁和果酒风味独特,营养丰富。
蓝莓能够延缓记忆力衰退和预防心脏病的发生,因此被人们视为超级水果;蓝莓中蕴藏着大量紫色成分,就是花青素,它可以驱除眼睛疲劳让眼睛继续工作,让你拥有魅力双眸;它还具有营养价值;功效;消除眼睛疲劳,增加视力;增强心脏功能;抗癌,尤其是对直肠癌有效;预防老年痴呆、防止脑神经老化、强心、抗癌软化血管、增强人机体免疫等功能;抗动脉硬化和血栓形成的作用。
传统的方法从蓝莓果汁中分离花青素、SOD与尼克酸,一般是对各种功能成分的提取,需要采用多种不同的方法进行单独提取,这样的方法会耗费大量的人力物力。
发明内容
为克服现有采用多种不同的方法进行单独提取功能成分会耗费大量的人力物力等缺陷,本发明提供一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法。
本发明解决上述技术问题所采用的方案是:
一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法,包括如下步骤:
(1)加乙酸:取蓝莓汁,加入20%的乙酸使蓝莓汁中乙酸浓度为5%;
(2)过柱:将含有乙酸的蓝莓汁倒入到填充有DiaionHP220大孔吸附树脂色谱柱,除去流出液;
(3)分离花青素:用甲醇:水的体积比为0.5-5:1的甲醇水溶液作为洗脱液对步骤(2)后的色谱柱进行洗脱30-60分钟,收集洗脱液1,挥发甲醇,得到花青素提取液;
(4)分离SOD与尼克酸:用pH=7.4的磷酸缓冲溶液继续对步骤(3)后色谱柱洗脱1-3小时,收集洗脱液2,调节洗脱液2的pH至4,过滤,得到沉淀与滤液,沉淀为SOD,滤液为尼克酸提取液。
优选地,步骤(2)所述色谱柱的柱长为15cm,柱内径为8cm。
优选地,步骤(3)所述洗脱液中,甲醇:水的体积比为5:1。
优选地,步骤(3)中的挥发甲醇,采用的方法是真空冷冻干燥浓缩。
实施本发明专利,具有以下有益效果:
采用DiaionHP220大孔吸附树脂色谱柱对花青素、SOD与尼克酸进行吸附,使上述三种物质吸附在色谱柱上,用甲醇水洗脱花青素,用磷酸缓冲溶液洗脱SOD与尼克酸,用等电点沉淀法分离得到SOD。用一种方法分离得到三种物质,工艺简单,大大减少了各种功能成分的提取分离成本。
具体实施方式
下面通过实施例对本发明进行进一步描述,但本发明的保护方案不局限于以下实施例。
实施例1
(1)加乙酸:取蓝莓汁,加入20%的乙酸使蓝莓汁中乙酸浓度为5%;
(2)过柱:将含有乙酸的蓝莓汁倒入到填充有DiaionHP220大孔吸附树脂且柱口直径8cm柱长15cm的色谱柱,除去流出液;
(3)分离花青素:用甲醇:水的体积比为0.5:1的甲醇水溶液作为洗脱液对步骤(2)后的色谱柱进行洗脱60分钟,收集洗脱液1;洗脱液放入真空冷冻干燥机中进行浓缩以挥发甲醇,得到花青素提取液;
(4)分离SOD与尼克酸:用pH=7.4的磷酸缓冲溶液继续对步骤(3)后色谱柱洗脱1小时,收集洗脱液2,调节洗脱液2的pH至4,过滤,得到沉淀与滤液,沉淀为SOD,滤液为尼克酸提取液。
实施例2
(1)加乙酸:取蓝莓汁,加入20%的乙酸使蓝莓汁中乙酸浓度为5%;
(2)过柱:将含有乙酸的蓝莓汁倒入到填充有DiaionHP220大孔吸附树脂且柱口直径8cm柱长15cm的色谱柱,除去流出液;
(3)分离花青素:用甲醇:水的体积比为5:1的甲醇水溶液作为洗脱液对步骤(2)后的色谱柱进行洗脱30分钟,收集洗脱液1;洗脱液放入真空冷冻干燥机中进行浓缩以挥发甲醇,得到花青素提取液;
(4)分离SOD与尼克酸:用pH=7.4的磷酸缓冲溶液继续对步骤(3)后色谱柱洗脱3小时,收集洗脱液2,调节洗脱液2的pH至4,过滤,得到沉淀与滤液,沉淀为SOD,滤液为尼克酸提取液。
实施例3
(1)加乙酸:取蓝莓汁,加入20%的乙酸使蓝莓汁中乙酸浓度为5%;
(2)过柱:将含有乙酸的蓝莓汁倒入到填充有DiaionHP220大孔吸附树脂色谱柱,除去流出液;
(3)分离花青素:用甲醇:水的体积比为3:1的甲醇水溶液作为洗脱液对步骤(2)后的色谱柱进行洗脱45分钟,收集洗脱液1;洗脱液放入真空冷冻干燥机中进行浓缩以挥发甲醇,得到花青素提取液;
(4)分离SOD与尼克酸:用pH=7.4的磷酸缓冲溶液继续对步骤(3)后色谱柱洗脱2小时,收集洗脱液2,调节洗脱液2的pH至4,过滤,得到沉淀与滤液,沉淀为SOD,滤液为尼克酸提取液。

Claims (4)

1.一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法,其特征在于,包括如下步骤:
(1)加乙酸:取蓝莓汁,加入20%的乙酸使蓝莓汁中乙酸浓度为5%;
(2)过柱:将含有乙酸的蓝莓汁倒入到填充有DiaionHP220大孔吸附树脂色谱柱,除去流出液;
(3)分离花青素:用甲醇:水的体积比为0.5-5:1的甲醇水溶液作为洗脱液对步骤(2)后的色谱柱进行洗脱30-60分钟,收集洗脱液1,挥发甲醇,得到花青素提取液;
(4)分离SOD与尼克酸:用pH=7.4的磷酸缓冲溶液继续对步骤(3)后色谱柱洗脱1-3小时,收集洗脱液2,调节洗脱液2的pH至4,过滤,得到沉淀与滤液,沉淀为SOD,滤液为尼克酸提取液。
2.如权利要求1所述的一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法,其特征在于,步骤(2)所述色谱柱的柱长为15cm,柱内径为8cm。
3.如权利要求1所述的一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法,其特征在于,步骤(3)所述洗脱液中,甲醇:水的体积比为5:1。
4.如权利要求1所述的一种从蓝莓果汁中同时分离花青素、SOD与尼克酸的方法,其特征在于,步骤(3)中的挥发甲醇,采用的方法是真空冷冻干燥浓缩。
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CN105777698A (zh) * 2016-05-14 2016-07-20 河源市现代农业科技研究所 火龙果皮花青素的提纯方法
CN105859674A (zh) * 2016-05-14 2016-08-17 河源市现代农业科技研究所 火龙果皮花青素的提取方法
CN105942077A (zh) * 2016-05-14 2016-09-21 河源市现代农业科技研究所 一种火龙果还原汁的制作方法
CN106491641A (zh) * 2016-10-28 2017-03-15 乌林奇 一种靶向防治脑血栓的药物活性组合物及应用

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