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Method for separating pueraria starch milk impurities

A technology of kudzu root starch and starch milk, which is applied in the field of agricultural and sideline product processing, and can solve the problems of difficult cleaning of tubers, great waste of resources, and loss of kudzu flavonoids

Active Publication Date: 2010-02-17
汪盛明
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AI Technical Summary

Problems solved by technology

The traditional processing method that has been used in China and the complete set of equipment used in industrial production in recent years, its main production process is raw material cleaning, filing and peeling, and the peeling rate is required to reach more than 80%, resulting in the root bark being rich in The flavonoids of kudzu root for health care are seriously lost; when cleaning the raw materials, the damaged tubers are difficult to clean, so they are discarded more, resulting in a great waste of resources; the treatment of kudzu milk impurities requires a lot of work by using multiple processes such as sand removers. Time-consuming, high processing costs, difficult to guarantee product quality

Method used

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Embodiment Construction

[0016] The steps to extract Pueraria lobata starch are as follows:

[0017] 1. Raw material finishing: Before processing, fresh kudzu roots should be removed from mildew, rot, kudzu neck and nose, bindings and other inclusions, and processed within 72 hours in time to prevent the fresh rhizopus stored at room temperature from becoming starchy Sugar affects starch recovery rate.

[0018] 2. Flushing: In order to reduce the abrasion of the disintegration machinery, water should be used to flush the sediment adhered to the skin of Pueraria lobata and moisten the material. The cleaning machinery and cleaning tank are selected according to the production volume and the degree of automation. Pueraria lobata should be sprayed and washed with pressure water on the conveyor belt to knock down the skin mud.

[0019] 3. Disintegration: Disintegration can destroy the tissue structure of kudzu root and rupture the cells. The tiny starch grains can be smoothly disintegrated and separated from th...

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Abstract

The invention relates to a method for separating pueraria starch milk impurities. The invention discloses a separating agent prepared from edible natural plant extracts, the pueraria starch milk is disturbed to precipitate starch grains within a certain period of time, and impurities including silts and the like in the pueraria starch milk are once thoroughly eliminated by a physical method. The method is used for solving the problems of difficult cleaning of coarse and uneven pueraria epidermis, peeling loss of pueraria flavone mainly reserved at the skin part and resource waste of mechanically damaged broken rootstalks. The method keeps epidermis processing, and has simple process, easy implementation, no pollution and high processing efficiency, and is widely suitable for the large-scale production of starch of underground tuber crops including pueraria and the like in small and medium enterprises to achieve the purpose of preparing pure natural green foods.

Description

Technical field [0001] The invention relates to the technical field of processing agricultural and sideline products, in particular to a method for separating impurities in pueraria lobata starch milk by using plant extracts as a separating agent, which is suitable for refining pueraria lobata starch products with pueraria lobata as raw materials. Background technique [0002] Pueraria DC is a perennial vine leguminous plant that grows naturally in the wilderness and is distributed in the vast hills and mountains of our country, with rich resources. Pueraria lobata starch extracted from Pueraria lobata root is rich in various amino acids, vitamins, kudzu polysaccharides and mineral nutrients necessary for human body. As a pollution-free green food, it has been a famous local product in my country since ancient times and has been favored by domestic and foreign markets. In March 2002, the Ministry of Health of the People's Republic of China included Pueraria lobata root in the lis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B30/00C08B30/02C08B30/04
Inventor 汪盛明
Owner 汪盛明
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