CN109125416A - 一种藜麦麸皮总皂苷提取及纯化方法 - Google Patents

一种藜麦麸皮总皂苷提取及纯化方法 Download PDF

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CN109125416A
CN109125416A CN201811029151.4A CN201811029151A CN109125416A CN 109125416 A CN109125416 A CN 109125416A CN 201811029151 A CN201811029151 A CN 201811029151A CN 109125416 A CN109125416 A CN 109125416A
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黄建湘
武庆荣
李志勇
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Shanxi Lulihua Biotechnology Development Co Ltd
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Abstract

本发明公开了一种藜麦麸皮总皂苷提取及纯化方法,属于食品技术领域,涉及藜麦深加工。一种藜麦麸皮总皂苷提取及纯化方法,步骤为:1)将干燥的藜麦麸皮中加入乙醇溶液,超声提取1~3次,每次15~60min,提取液抽滤后,浓缩至无醇味,得到水相;2)将水相加入水饱和正丁醇萃取1~3次,浓缩干燥得到萃取物;3)将萃取物加甲醇溶解,再加入丙酮,离心得到沉淀物;4)将沉淀物干燥后,即得藜麦麸皮总皂苷。本发明首先采用乙醇超声提取,然后用水饱和正丁醇萃取,加入甲醇和丙酮溶解分离纯化,操作步骤简单,成品中总皂苷纯度在30%以上,可广泛应用于医药或化妆品领域。

Description

一种藜麦麸皮总皂苷提取及纯化方法
技术领域
本发明属于食品技术领域,涉及藜麦深加工,具体涉及一种藜麦麸皮总皂苷提取及纯化方法。
背景技术
藜麦(Chenopodium quinoa Willd.,Amaranthaceae),蓼科,双子叶植物,多见于山西、陕西、青海、四川、浙江等地。藜麦中富含优质蛋白质、碳水化合物、脂质、膳食纤维等和次生代谢产物如三萜皂苷、酚类、甜菜素和甜菜碱等大量矿物营养,被国际营养学家称为“营养黄金”、“超级谷物”、“未来食品”。
藜麦麸皮总皂苷具有抗氧化、抗炎、抗真菌、降血糖等生理活性,因此,如何提取和纯化藜麦麸皮总皂苷,提高其经济价值,达到变废为宝的目的,是当前的一个研究热点。许效群等在食品工业科技上公开了藜麦麸皮总皂苷提取分离方法,步骤为药材提取(乙醇回流)—大孔柱D101层析—浓缩—冻干,但是该方法存在需要采用大孔树脂,过程相对繁琐,耗时较长,制备过程中对有机试剂和化学材料使用较多的缺点。
为了解决现有藜麦麸皮提取纯化所存在的上述缺陷,本发明研发了一种藜麦麸皮总皂苷提取及纯化方法。
发明内容
本发明的目的在于提供一种藜麦麸皮总皂苷提取及纯化方法。
本发明是通过以下技术方案实现的:
一种藜麦麸皮总皂苷提取及纯化方法,步骤为:
1)将干燥的藜麦麸皮中加入乙醇溶液,超声提取1~3次,每次15~60min,提取液抽滤后,浓缩至无醇味,得到水相;
2)将水相加入水饱和正丁醇萃取1~3次,浓缩干燥得到萃取物;
3)将萃取物加甲醇溶解,再加入丙酮,离心得到沉淀物;
4)将沉淀物干燥后,即得藜麦麸皮总皂苷。
进一步地,步骤1)中所述的藜麦麸皮中加入6~10倍质量的乙醇溶液。
步骤1)中所述的乙醇溶液的质量浓度为60~80%。
步骤2)所述的水相中加入1~3体积的水饱和正丁醇。
本发明首先采用乙醇超声提取,然后用水饱和正丁醇萃取,加入甲醇和丙酮溶解分离纯化,将所纯化后的提取物进行藜麦麸皮总皂苷含量测定,测得藜麦麸皮总皂苷浓度为2mg/ml。
本发明首先采用乙醇超声提取,然后用水饱和正丁醇萃取,加入甲醇和丙酮溶解分离纯化,操作步骤简单,成品中总皂苷纯度在30%以上,可广泛应用于医药或化妆品领域。
具体实施方式:
以下通过实施例,对本发明的上述内容再作进一步的详细说明,但不应将此理解为本发明的范围仅限于以下的实施例。
实施例1
一种藜麦麸皮总皂苷提取及纯化方法,步骤为:
1)取藜麦麸皮300g,加入1800ml70%乙醇搅拌均匀,超声提取30min,抽滤取滤液,减压浓缩至水相约400ml;
2)加入水饱和正丁醇800ml萃取1次,合并两次正丁醇相减压浓缩至干;
3)加甲醇50ml使之充分溶解,离心取上清液,加入丙酮50ml出现絮状沉淀,离心得沉淀,上清液合并,再加丙酮50ml使之沉淀;
4)合并两次的沉淀离心浓缩至干得到藜麦麸皮总皂苷约3.2g。
实施例2
一种藜麦麸皮总皂苷提取及纯化方法,步骤为:
1)取藜麦麸皮300g,加入2400ml60%乙醇搅拌均匀,超声提取60min,抽滤取滤液,减压浓缩至水相约400ml;
2)加入水饱和正丁醇400ml萃取2次,合并两次正丁醇相减压浓缩至干;
3)加甲醇50ml使之充分溶解,离心取上清液,加入丙酮100ml出现絮状沉淀,离心得沉淀,上清液合并,再加丙酮100ml使之沉淀;
4)合并两次的沉淀离心浓缩至干得到藜麦麸皮总皂苷约2.8g。
实施例3
一种藜麦麸皮总皂苷提取及纯化方法,步骤为:
1)取藜麦麸皮300g,加入3000ml80%乙醇搅拌均匀,超声提取15min,抽滤取滤液,减压浓缩至水相约400ml;
2)加入水饱和正丁醇1200ml萃取3次,合并两次正丁醇相减压浓缩至干;
3)加甲醇50ml使之充分溶解,离心取上清液,加入丙酮75ml出现絮状沉淀,离心得沉淀,上清液合并,再加丙酮75ml使之沉淀;
4)合并两次的沉淀离心浓缩至干得到藜麦麸皮总皂苷约2.9g。
实施例4:藜麦麸皮总皂苷含量测定
分别取实施例1、2、3制备的藜麦麸皮总皂苷50mg用甲醇定容于25ml,以齐墩果酸为对照品,采用冰醋酸-高氯酸方法进行含量测定。
标准曲线的绘制:齐墩果酸标准品浓度为0.4mg/ml,分别取0.1ml、0.2ml、0.3ml、0.4ml、0.5ml于25ml具塞磨口试管中,试管于沸水浴中水浴挥干溶剂,加入0.4ml的5%香草醛-冰醋酸溶液摇匀,再加入1.6ml高氯酸摇匀,密塞于70℃水浴显色15min,置冰水浴中冷却2-3min,加冰醋酸10ml,摇匀,550nm波长测定吸光度,用样品的浓度和测定的吸光度绘制标曲,所得标准曲线方程为y=60.266x-0.0074,R2=0.9993。
样品含量测定:3份藜麦麸皮总皂苷浓度为2mg/ml,分别取0.3ml于25ml具塞磨口试管中,双份,按照上述方法进行吸光度的测定,结果如下:
样品来源 吸光度 浓度 <sup>*</sup>含量(%)
实施例1 0.546 0.0092 32.21
实施例2 0.509 0.0087 30.46
实施例3 0.526 0.0089 31.16
*藜麦麸皮总皂苷含量M=Me*1.75,Me为通过齐墩果酸标准曲线计算的含量。藜麦麸皮总皂苷平均分子量为800,齐墩果酸分子量为457,800/457=1.7505。

Claims (4)

1.一种藜麦麸皮总皂苷提取及纯化方法,其特征在于,步骤为:
1)将干燥的藜麦麸皮中加入乙醇溶液,超声提取1~3次,每次15~60min,提取液抽滤后,浓缩至无醇味,得到水相;
2)将水相加入水饱和正丁醇萃取1~3次,浓缩干燥得到萃取物;
3)将萃取物加甲醇溶解,再加入丙酮,离心得到沉淀物;
4)将沉淀物干燥后,即得藜麦麸皮总皂苷。
2.根据权利要求1所述的藜麦麸皮总皂苷提取及纯化方法,其特征在于,步骤1)中所述的藜麦麸皮中加入6~10倍质量的乙醇溶液。
3.根据权利要求1或2所述的藜麦麸皮总皂苷提取及纯化方法,其特征在于,步骤1)中所述的乙醇溶液的质量浓度为60~80%。
4.根据权利要求1或2所述的藜麦麸皮总皂苷提取及纯化方法,其特征在于,步骤2)所述的水相中加入1~3体积的水饱和正丁醇。
CN201811029151.4A 2018-09-05 2018-09-05 一种藜麦麸皮总皂苷提取及纯化方法 Pending CN109125416A (zh)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110787197A (zh) * 2019-11-11 2020-02-14 中国科学院西北高原生物研究所 藜麦麸皮提取物及其提取方法和用途
CN112675066A (zh) * 2021-01-20 2021-04-20 忻州师范学院 一种藜麦皂苷洗手液及制备方法
CN113563408A (zh) * 2021-07-29 2021-10-29 上海理工大学 利用藜麦制备皂苷的方法及藜麦皂苷的分离鉴定法
CN114469818A (zh) * 2022-03-17 2022-05-13 广东丸美生物技术股份有限公司 藜麦提取物、其制备方法和应用、用于提取藜麦多酚的提取剂
CN115501260A (zh) * 2021-06-07 2022-12-23 中国科学院过程工程研究所 一种藜麦麸皮皂苷的提取方法及其应用
CN115501261A (zh) * 2022-10-14 2022-12-23 山西大学 一种藜麦糠水溶性萜类提取物及其制备方法和应用

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110787197A (zh) * 2019-11-11 2020-02-14 中国科学院西北高原生物研究所 藜麦麸皮提取物及其提取方法和用途
CN112675066A (zh) * 2021-01-20 2021-04-20 忻州师范学院 一种藜麦皂苷洗手液及制备方法
CN115501260A (zh) * 2021-06-07 2022-12-23 中国科学院过程工程研究所 一种藜麦麸皮皂苷的提取方法及其应用
CN113563408A (zh) * 2021-07-29 2021-10-29 上海理工大学 利用藜麦制备皂苷的方法及藜麦皂苷的分离鉴定法
CN114469818A (zh) * 2022-03-17 2022-05-13 广东丸美生物技术股份有限公司 藜麦提取物、其制备方法和应用、用于提取藜麦多酚的提取剂
CN114469818B (zh) * 2022-03-17 2023-09-15 广东丸美生物技术股份有限公司 藜麦提取物、其制备方法和应用、用于提取藜麦多酚的提取剂
CN115501261A (zh) * 2022-10-14 2022-12-23 山西大学 一种藜麦糠水溶性萜类提取物及其制备方法和应用
CN115501261B (zh) * 2022-10-14 2023-09-22 山西大学 一种藜麦糠水溶性萜类提取物及其制备方法和应用

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Application publication date: 20190104