CN110256487A - 一种高纯度液体植酸的制备方法 - Google Patents
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- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 title claims abstract description 57
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229940068041 phytic acid Drugs 0.000 title claims abstract description 54
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 12
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 6
- 238000002386 leaching Methods 0.000 claims abstract description 6
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- 238000003860 storage Methods 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims abstract description 5
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims abstract description 4
- 239000001632 sodium acetate Substances 0.000 claims abstract description 4
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 4
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- MTJGVAJYTOXFJH-UHFFFAOYSA-N 3-aminonaphthalene-1,5-disulfonic acid Chemical compound C1=CC=C(S(O)(=O)=O)C2=CC(N)=CC(S(O)(=O)=O)=C21 MTJGVAJYTOXFJH-UHFFFAOYSA-N 0.000 claims 1
- 238000004458 analytical method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract description 3
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- 229910021645 metal ion Inorganic materials 0.000 abstract description 2
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- 241000209094 Oryza Species 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
- C07F9/117—Esters of phosphoric acids with cycloaliphatic alcohols
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- Molecular Biology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
本发明涉及一种高纯度液体植酸的制备方法,其特征在于包括以下步骤:(1).米糠原料投入pH2.0~2.5有机酸中浸提3‑4h;(2).浸提液先用醋酸钠中和至PH值3.5,再用氢氧化钠中和至PH值5.5~6,静置沉淀;(3).沉淀混合液进行过滤得植酸母液;(4).植酸母液加入储罐进行电渗析,双极膜电渗析的进液温度15‑30℃,排出废水温差小于10℃,分离得到高纯度液体植酸。有益效果:(1)大大减轻了生产过程中废水的排放;(2)解决了氯离子和金属离子超标的问题;(3)植酸液体含量由原来的70%提高至76.8%;(4)可应用于生物医药领域,对人体健康大有益处。
Description
技术领域
本发明属生物医药领域,涉及一种粮食中提取植酸,具体涉及一种高纯度液体植酸的制备方法。
背景技术
植酸(phytic acid)是一种广泛存在于植物种子中的有机磷化合物,化学名称为环己醇六磷酸酯,又名肌醇六磷酸酯,分子式C6H18024P6,常温下为淡黄色或黄褐色粘稠液体,经脱色后为无色,呈强酸性。一般来说,植酸的含量不一样,其呈现的相态也不一样,50%的植酸为浅黄色液体,70%的植酸为黄褐色稠状液体;植酸易溶于水,难溶于醇、苯、氧仿等有机溶剂,几乎不以游离态形式存在,通常以钙、镁、钾复盐的形式存在于谷物、油料作物的种皮、胚芽处,如米糠、玉米胚芽、麦麸、棉籽、油菜籽中,其中米穅、玉米胚芽和麦肤中植酸含量较高。
植酸是一种重要的有机磷系添加剂,具有独特的生理、药理功能和化学性质,可广泛应用于食品、医药、日用化工、金属加工、水果、蔬菜保鲜和环保等行业。植酸独特的药理功能(降血脂、防治肿瘤、防治肾结石、防直肠癌、防胃癌等)使得其具有广阔的医学应用前景,但目前生产中采用传统提取法制得的液体植酸其含量不高于50%,植酸的纯度低,因此很难大量使用在生物医药添加剂,只有高纯度,高含量植酸使用在医药品里,保健食品等效果最明鲜。
发明内容
本发明的目的是为了解决现有植酸液体含量不高的问题,提供了一种高纯度液体植酸的制备方法,本方法将现有植酸生产工艺与双极膜电渗析的方法相结合,降低了钙、镁等离子进入植酸产品,大大地提高了植酸的纯度,使得天然植酸产品可用于生物医药领域,无毒副作用。
为了实现上述目的,本发明采用的技术方案如下:
一种高纯度液体植酸的制备方法,其特征在于包括以下步骤:
(1).将原料(米糠、麦麸、玉米)投入pH为2.0~2.5的有机酸溶液中,常温下浸提3-4小时得浸提液;
(2).浸提液先用醋酸钠中和至PH值3.5,再用氢氧化钠中和至PH值5.5~6,静置使沉淀完全;
(3).将步骤(2)得到的沉淀混合液进行过滤,分离得含量12-30%植酸母液;
(4).把步骤(3)得到的植酸母液加入稀植酸储罐进行双极膜电渗析,双极膜电渗析的进液(植酸母液)温度为15-30℃(植酸母液温度过高有损双极膜,且易带进杂质使得植酸产品纯度底,植酸的色泽加深),排出废水温差小于10℃,分离得到高纯度液体植酸。
进一步,所述双极膜电渗析的进液(植酸母液)温度优选为15-20℃,植酸母液含量优选为25%。
本发明的有益效果:(1)采用双极膜电渗析法大大减轻了生产过程中废水的排放;(2)解决了氯离子和金属离子(铅、砷)超标的问题,提高了纯度;(3)与离子交换相比,采用双极膜电渗析法提取出的植酸液体由原来的70%提高至76.8%,含量提高了6.8%。本发明生产的天然高纯度植酸系列产品使用在生物医药领域,既能防止癌细胞又能防止人们血管阻塞,高纯度植酸系列产走进生物医药、保健品等领域,对人体健康大有益处,能很大程度上提高人们的健康水平。
附图说明
图1是本发明中双极膜电渗析设备图;
图2是本方法制得的液体植酸的检测报告单。
具体实施方式
一种高纯度液体植酸的制备方法,具体实施步骤如下:
实施例1
1.取米糠100㎏,投入浓度5%的乳酸溶液中(完全浸没米糠,乳酸少许过量),调PH值2.0,常温下浸提3-4小时;
2.浸提结束后过滤分离,浸提液先用醋酸钠中和至PH值2,再用氢氧化钠中和至PH值5.5-6,静置使沉淀完全;
3.将步骤2得到的沉淀混合液进行过滤,分离得植酸母液;
5.把步骤3得到的植酸母液加入稀植酸储罐,按植酸母液与水的体积比1:10进行兑水,调植酸母液pH3.5、温度18℃、植酸含量为25%,将阀门打开,开循环泵,用变频器慢慢调解,开启设备微调至流量60L/h,将回水管均回水(水的要求为:A浊度3mg/L,含铁总量<0.3mg/L、含锰总量〈0.1mg/L、含钙总量〈0.2mg/L、耗氧量〈3mgmg/L〈Kmn4)、水温15--25℃、污染指数〈7),循环1--2分钟后开启电源,双极膜电渗析(双极膜为德国Fuma膜,膜的尺寸为30×10cm,膜有效面积为21×7cm)开始过滤(工作电压小于直流15伏),3-4h即可得出含量70%以上的高纯度液体植酸。
本发明的双极膜电渗析系统包括稀植酸储罐1、极室溶液储罐2、碱室储罐3、磁力泵4、膜堆5、直流电源6,其中膜堆包括阳极板(阳极室)、阴极板(阴极室)、双极膜、料液室、酸室。
本方法制备的高纯度液体植酸经检测:植酸含量76.8%,大于50%、氯化物含量小于0.02%、重金属离子含量小于0.003%,其它各项含量请见附图2检测报告单,本发明制备的液体植酸完全符合GB1886.237-2016标准的规定,可用作食品添加剂。
Claims (2)
1.一种高纯度液体植酸的制备方法,其特征在于包括以下步骤:
(1).将米糠或麦麸或玉米原料投入pH为2.0~2.5的有机酸溶液中,常温下浸提3-4小时得浸提液;
(2).浸提液先用醋酸钠中和至PH值3.5,再用氢氧化钠中和至PH值5.5~6,静置使沉淀完全;
(3).将步骤(2)得到的沉淀混合液进行过滤,分离得含量12-30%植酸母液;
(4).把步骤(3)得到的植酸母液加入储罐进行电渗析,双极膜电渗析的进液温度为15-30℃,排出废水温差小于10℃,分离得到高纯度液体植酸。
2.根据权利要求1所述一种高纯度液体植酸的制备方法,其特征在于:所述双极膜电渗析的进液温度优选为15-20℃,植酸母液含量优选为25%。
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US20050031774A1 (en) * | 2000-11-30 | 2005-02-10 | Kraft Foods Holdings, Inc. | Method of deflavoring soy-derived materials using electrodialysis |
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CN101597304A (zh) * | 2008-06-05 | 2009-12-09 | 谢义侠 | 植酸提取的新方法 |
CN104193780A (zh) * | 2014-08-01 | 2014-12-10 | 刘秀丽 | 一种固体植酸的提取方法 |
CN107098928A (zh) * | 2017-06-20 | 2017-08-29 | 中国科学院青岛生物能源与过程研究所 | 植酸提取的方法 |
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