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Method of extracting saponin from turmeric after separating starch and fiber

A process method and separation technology, applied in the field of phytochemical process engineering, can solve the problems of high production cost, low yield of saponin, large water consumption, etc., to ensure yield and quality, reduce production cost, and reduce waste water discharge volume effect

Inactive Publication Date: 2007-09-12
吴彬 +1
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Problems solved by technology

[0008] In order to fundamentally solve the "three highs" problems (i.e. high energy consumption, high pollution, and high waste) of the traditional saponin production process, the above-mentioned improved process still has the problems of large investment, high unit production cost, large water consumption, and saponin yield. Defects such as low rate

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  • Method of extracting saponin from turmeric after separating starch and fiber

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specific Embodiment approach

[0022] According to the process flow diagram shown in Fig. 1: describe in detail that the specific embodiment of the present invention is as follows:

[0023] (1) Primary treatment of raw materials: Use a multi-functional impurity remover to remove silt, stones, hairs and other sundries in the turmeric, then enter the squirrel-cage ginger washing machine for high-pressure spray washing, and then carry out first-level coarse powder, second-level Fine powder, so that the particle size of the turmeric slurry reaches 30-80 mesh, and the concentration is between 14-18%;

[0024] (2) Separation of starch and fiber: adopt 14-17 groups of starch countercurrent scrubbers to separate 90% of starch and 80% of fiber from the stock solution, and simultaneously obtain the saponin pulp mixture;

[0025] (3) Precipitation and dehydration: heat the saponin mixture at 32-40°C, put it in the sedimentation tank for natural precipitation for 6-8 hours, extract the supernatant and concentrate it wi...

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Abstract

The key of this invention relates to a method to extract saponin after separating starch and fiber from ginger, which includes the following steps to achieve: 1) initial processing of raw materials: impurities removal of ginger, high pressure jet wash, first class coarse powder, second class refined powder, make the serous size reach 30-80 mesh and concentration 14-18%, 2) separation of starch and fiber: starch counter current scrubber isolated starch and fiber from the serous fluid, to get a mixture, 3) precipitation to remove water: heating the mixture to 32-40deg.C, naturally precipitating for 6-8 hour and concentrating the supernatant to the concentration of 15-20% with ultrafiltration membrane, 4) hydrolysis drying: hydrolysis of the mixture, deacidification, dehydration, and drying, 5) saponin extraction: 120 # gasoline is used for extraction, concentration, crystallization, bleaching and drying.

Description

technical field [0001] The invention belongs to the field of phytochemical process engineering, and mainly relates to a process method for extracting saponin after separating starch and fiber from turmeric. Background technique [0002] Turmeric, also known as Dioscorea shield leaf, belongs to the wild herbaceous vine plant of Dioscorea yam. The diosgenin contained in its rhizome is hydrolyzed to produce a hydrolyzate, and the saponin is extracted by 120# solvent gasoline. Saponin is an essential and important chemical raw material for the synthesis of various steroid hormone drugs, especially glucocorticoids synthesized from saponin, which have anti-inflammatory, anti-allergic, anti-shock, anti-drug and anti-cancer effects. The main drug widely used in medicine, so saponin enjoys the reputation of "medicinal gold" in medicine. [0003] In the mid-1990s, the use of wild turmeric to produce saponin was an era of huge profits. Driven by profits, it has rapidly developed to mo...

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Application Information

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IPC IPC(8): C07J71/00C07J75/00C12P7/06A61K36/9066A61K125/00
CPCY02E50/17Y02E50/10
Inventor 吴彬柯贤春毕亚凡
Owner 吴彬
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