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Red yeast rice haematochrome color fixative for foodstuff

A technology of monascus red pigment and color-protecting agent, applied in the field of color-protecting agent, can solve the problems of fading, affecting application, unsatisfactory pigment stability, etc., and achieves the effects of simple production method, convenient transportation and storage

Inactive Publication Date: 2009-09-16
BEIFANG UNIV OF NATITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Monascus red pigment is one of the most promising food pigments. Currently, it is mainly used for coloring meat products. However, due to the unsatisfactory stability of the pigment, it will fade quickly under direct sunlight or light, which affects the actual food quality. application in

Method used

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  • Red yeast rice haematochrome color fixative for foodstuff

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Monascus red pigment color-protecting agent for food is composed of

[0020] Catechin 6%

[0021] Vitamin C 21%

[0022] Glucose 31%

[0023] The balance is rutin.

[0024] Instruments and reagents: 722S spectrophotometer (Shanghai Precision Scientific Instrument Co., Ltd.), 100mL volumetric flask, color protectant, Monascus red pigment (Ryder Natural Pigment Company)

[0025] Experimental method: Precisely weigh 10 mg of Monascus red pigment, dissolve it in distilled aqueous solution containing 0.1 mg of color-protecting agent and set the volume in a 100 mL volumetric flask; in the same way, accurately weigh 10 mg of Monascus red pigment, dissolve it in distilled water and set the volume to 100 mL volumetric flask. Put it under sunlight, take two kinds of solutions at intervals of a certain period of time, and measure the absorbance at 495nm, the results are shown in the attached figure 1 shown.

[0026] The results show that within 120 hours, the color-protectin...

Embodiment 2

[0028] Monascus red pigment color-protecting agent for food is composed of

[0029] Catechin 5%

[0030] Vitamin C 10%

[0031] Glucose 30%

[0032] The balance is rutin.

Embodiment 3

[0034] Monascus red pigment color-protecting agent for food is composed of

[0035] Catechin 10%

[0036] Vitamin C 25%

[0037] Glucose 40%

[0038] The balance is rutin.

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Abstract

The invention relates to a color fixative for protecting red yeast rice haematochrome color coated on food surface, especially to a red yeast rice haematochrome color fixative for foodstuff, which comprises the following components by weight: 5-10% of catechin, 10-25% of vitamin C, 30-40% of glucose, and the balance of rutin. The color fixative used as food additive can make red yeast rice haematochrome coated on food surface have performances of high temperature resistance, antioxidation, and nondiscoloring under daylight and lamplight illumination for a long time.

Description

technical field [0001] The invention relates to a color-protecting agent for protecting the color of monascus red pigment coated on the surface of food, in particular to a color-protecting agent for monascus red pigment for food. Background technique [0002] Monascus red pigment is a kind of food pigment produced by Monascus fungus during the growth and metabolism process, and it is also the only natural pigment obtained by fermentation in the world. According to research, the metabolites of Monascus can not only change the color of food, but also have obvious effects of antibacterial, enhancing immunity, lowering blood fat, lowering blood pressure, and lowering blood sugar. Therefore, using Monascus red pigment as food coloring can not only improve the color of food , also has functional and nutritional value. [0003] Monascus red pigment is one of the most promising food pigments. Currently, it is mainly used for coloring meat products. However, due to the unsatisfactor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/272A23L5/41
Inventor 杨晋王皓
Owner BEIFANG UNIV OF NATITIES
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