Method for producing water-soluble functional red koji powder
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A water-soluble, red yeast rice powder technology, applied in microorganism-based methods, biochemical equipment and methods, microorganisms, etc., can solve the problems of limiting the use range of functional red yeast rice, poor water solubility, etc.
Inactive Publication Date: 2009-04-15
JIANGNAN UNIV
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Problems solved by technology
At present, functional red yeast rice products, in addition to Monacolin K, also contain a large amount of residual starch and crude protein. Due to their poor water solubility, they cannot be directly added to liquid food, which greatly limits the scope of use of functional red yeast rice, especially It is the application in liquid products
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Embodiment 1
[0022] Example 1. Production of water-soluble functional red yeast rice powder with solid-state fermented red yeast rice by Monascus bacterium
[0023] (1) Functional red yeast rice is produced by solid-state fermentation of Monascus purple
[0024] Strains: Monascus purple 9901 or Monascus purple 9908.
[0025] Solid-state fermentation medium: rice, corn, millet, etc. Rice water ratio: 90:100.
[0026] Solid-state fermentation conditions: inoculum size: 10%, fermentation temperature after inoculation: 30°C, two days later, variable temperature fermentation is 26-28°C, and materials are mixed in due course. Fermentation time: 15d~20d.
[0027] Red yeast rice that has just finished fermentation has the highest proportion of open-loop Monacolin K, and open-loop Monacolin K can be directly dissolved in body fluids in the body, which is convenient for the body to absorb and exert its medicinal effect. When extracting, use red yeast rice directly after fermentation , does not n...
Embodiment 2
[0046] Example 2. Production of water-soluble functional red yeast rice powder with Monascus liquid fermented liquid as raw material
[0047] (1) Production of functional red yeast rice powder by liquid fermentation method
[0048] Strains: Monascus purple 9901 or Monascus purple 9908.
[0049] Liquid fermentation medium: rice, corn or millet, 8% to 15%, soybean enzyme hydrolyzate, 2% to 5%.
[0050] Liquid fermentation conditions: inoculum size: 10%, fermentation temperature after inoculation: 30°C, 26-28°C for variable temperature fermentation after 2 days, ventilation rate: 0.5-1.0VVM; stirring speed: 150-300r / m; fermentation time: 10d~ 15d.
[0051] (2) Filtration sterilization and deployment of fermentation broth
[0052] A plate and frame filter was used to filter to obtain a clarified fermentation broth. The pH of the fermentation broth was adjusted to 7-9. Add cyclodextrin and water soluble cereal hydrolyzate. The ratio (mass ratio) of cyclodextrin to water-solub...
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Abstract
The invention discloses a production method of water-soluble functional monascus powder, which belongs to the technical fields of biological engineering and health product preparation. In the invention, the water-soluble functional monascus powder containing a Monacolin K is prepared the following steps of: taking a high-yielding Monacolin K purple monascus without a notalin as a starting bacterium, carrying out solid state fermentation of corns, then extracting, condensing, adjusting the pH, adding cyclodextrine and embedding a water-soluble corn hydrolysate and spray drying; or the corn is fermented in a liquid state and then a fermentation liquid is manufactured into the water-soluble functional monascus powder containing the Monacolin K through removing a thalli by filtering, adjusting the pH, adding the cyclodextrine and embedding the water-soluble corn hydrolysate and spray drying; and detail researches are carried out on the technical conditions of fermenting, extracting, embedding and spray drying, thus obtaining the optimized technical parameters; the product has excellent water-solubility; the Monacolin K content in the monascus powder product can achieve 20g/kg; the Monacolin K proportion of an open ring structure can achieve more than 90 percent. The water solution which is prepared by the water-soluble functional monascus powder product of 20 percent can maintain clear and transparent under the room temperature, does not contain deposition and has better stability.
Description
technical field [0001] The invention discloses a production method of water-soluble functional red yeast rice powder, which belongs to the technical field of bioengineering and preparation of health food ingredients. technical background [0002] Functional red yeast rice refers to the red yeast rice (powder) containing the functional ingredient Monacolin K produced by fermentation of Monascus bacterium, which has obvious effects of inhibiting cholesterol biosynthesis and lowering blood lipids. The chemical structure of the functional ingredient Monacolin K in functional red yeast rice is divided into open-loop structure and closed-loop structure. The water-solubility of the open-loop structure is good, and it is easy to be absorbed and utilized by the human body to exert its effect; while the water-solubility of the closed-loop structure is poor, it must be Under the catalysis of enzymes, it transforms into an open-ring structure in vivo. The Monacolin K produced by natura...
Claims
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