Impurity removal method of puerarin saccharification liquid
A saccharification liquid, roll membrane technology, applied in chemical instruments and methods, semi-permeable membrane separation, membrane technology and other directions, can solve the problems affecting the clarity of the finished product, the stability of the finished product, and the speed of filtration, and achieve no flavor. The effect of obvious abnormality, high quality and high recovery efficiency
Active Publication Date: 2013-06-12
SANDA FILM SCI & TECH XIAMEN
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Problems solved by technology
[0006] 1) Incomplete settling in the later stage will affect the clarity of the finished product, affect the color, appearance and taste of the finished product, and have a great impact on the stability of the finished product, so it is not suitable for large-scale industrial operation.
[0007] 2) The amount of diatomaceous earth added will affect the speed of subsequent filtration.
[0008] 3) There are health hazards in the process of adding diatomite.
Method used
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Embodiment Construction
[0032] Test material liquid: kudzu root saccharification liquid, from a kudzu industry development co., LTD.
[0033] Membrane core: Sanda Membrane Technology (Xiamen) Co., Ltd. 7 / 6-Y-100nm ceramic membrane roll-type membrane 2A10 roll-type membrane 4F01.
[0034] Cleaning agent: Sanda Membrane Company 90# cleaning agent.
[0035] The experimental equipment is roll-type membrane pilot equipment, the inlet operating pressure is <6bar, and the outlet operating pressure is <4bar;
[0036] Test passing temperature: <40°C.
[0037] Ceramic membrane small test equipment, inlet operating pressure <6bar, outlet operating pressure <4bar;
[0038] Test passing temperature: <70°C
[0039] Such as figure 1 , the feed liquid after saccharification is put into the material tank of the membrane pilot equipment, and check whether the valves and switches are in normal state; start the equipment, driven by the pump, under a certain pressure difference, use the different retention rate of th...
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The invention discloses an impurity removal method of puerarin saccharification liquid. The impurity removal method of the puerarin saccharification liquid includes the following steps: (1) ultrafiltration, a ceramic membrane (or a wound type membrane) with a 100nm-200nm hole diameter (or 100 thousand-150 thousand molecular weight) is adopted to filter saccharification liquid, the filter condition means that the saccharification liquid is filtered at the temperature smaller than 70 DEG C (the temperature of the wound type membrane smaller than 40 DEG C), fibronectin, cellulose and pectin are intercepted, puerarin, kudzu root flavanone and glucose are remained in dialyzate, the filter conditions mean that the temperature is smaller than 70DEG C, the inlet pressure is 4 bar-5 bar, and the outlet pressure is 2 bar- 3bar; and (2) concentration is carried out on the dialyzate by means of a reverse osmosis membrance, and water is removed. By means of the impurity removal method of the puerarin saccharification liquid, the quality of the dialyzate is high, the recovery efficiency of the puerarin, the kudzu root flavanone and the glucose is high, and the taste of the dialyzate has no obvious change.
Description
technical field [0001] The invention relates to a preparation method of kudzu root extract. Background technique [0002] Pueraria lobata, a leguminous plant, is a common plant in some provinces and regions in southern China. Its main component is starch. In addition, it contains about 12% flavonoids, including more than 10 kinds of daidzein, daidzein, and puerarin; it also contains carotenoids, amino acids, and coumarins. [0003] In addition to rich in carbohydrates and essential amino acids and mineral elements, Pueraria radiata also contains isoflavones and a small amount of flavonoids. Among them, daidzein, daidzein, and puerarin are the main active components of pueraria, especially puerarin has the highest content. Li Shizhen of the Ming Dynasty recorded in "Compendium of Materia Medica": "Ge, sweet, pungent, flat, non-toxic, and mainly cures: diabetes, body fever, vomiting, various disadvantages, yin qi, and detoxification." Modern medical research It has been sho...
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IPC IPC(8): B01D61/58
Inventor 李文魁林雄水林丽华方富林蓝伟光
Owner SANDA FILM SCI & TECH XIAMEN