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Color protection agent for preparing vegetable paper and color protection method thereof

A technology of color protection agent and vegetable paper, which is applied in the functions of food ingredients, food ingredients as antioxidants, and food ingredients as pH modifiers, etc., can solve problems such as easy oxidation and browning of vegetables, and achieve good color protection effect. , to prevent enzymatic browning, the effect is obvious

Inactive Publication Date: 2018-11-30
FOSHAN SHIRUI LEADING MATERIAL RES INST GENERAL PARTNERSHIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that vegetables are prone to oxidative browning in the process of preparing vegetable paper, and the preparation process is simple, the cost is low, and the effect is obvious

Method used

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  • Color protection agent for preparing vegetable paper and color protection method thereof

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Comparison scheme
Effect test

Embodiment 1

[0016] A color-protecting agent for preparing vegetable paper comprises: 0.1% of pH regulator, 10% of polyphenol oxidase activity inhibitor, 0.5% of antioxidant, 1% of saponin, 0.01% of polyvinylpolypyrrolidone, Deionized water 88.39%.

Embodiment 2

[0018] A color-protecting agent for preparing vegetable paper comprises: 0.5% of pH regulator, 1% of polyphenol oxidase activity inhibitor, 1% of antioxidant, 3% of saponin, 0.03% of polyvinylpolypyrrolidone, Deionized water 74.47%.

Embodiment 3

[0020] A color-protecting agent for preparing vegetable paper comprises: 0.3% citric acid, 5% mercaptoethanol, 0.7% tea polyphenol palmitate, 2% saponin, 0.02% polyvinylpolypyrrolidone, deionized Water 91.98%.

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Abstract

The invention discloses a color protection agent for preparing vegetable paper and a color protection method thereof. Added polyphenol oxidase activity inhibition agent can be chelated with surface layer metal ions to prevent the color changing and fading of the metal ions for natural pigments; an antioxidant can reduce the oxidized color changing; polyvinylpyrrolidone can be associated with polyphenol substance hydroxyls to form strong hydrogen bonds, so that the polyphenol substances can be selectively absorbed, and the enzyme-accelerating browning can be prevented; saponin can synergistically inhibit the activity of polyphenol oxidase; and citric acid has an effect of chelating the metal ions, adjusting PH and preventing the acidic corrosion, so that the color protection agent providedby the invention has a complex effect, can retard the browning, can reduce the browning rate, can play a good color protection effect, and can solve the problem that the vegetable is likely to oxidizeand brown in the preparation process of the vegetable paper; and moreover, the preparation process is simple, the cost is low, and the effect is apparent.

Description

technical field [0001] The invention relates to the field of food processing, in particular to a color-protecting agent for preparing vegetable paper and a color-protecting method thereof. Background technique [0002] Vegetable paper is a new type of food that has been studied more at present. It is generally made of fresh vegetables that are pretreated and processed into vegetable puree, and then dehydrated and dried after adding various binders and additives. Vegetable paper is rich in nutrition and bright in color. It not only retains the original flavor, color and various nutrients of vegetables, but also has the characteristics of low fat, low calorie, high dietary fiber, rich in vitamins, minerals and auxin. my country is rich in vegetable resources, and some vegetables are processed into dehydrated vegetables after harvesting for storage and export. Vegetable paper not only has the characteristics of long-term storage, but also can meet people's needs for dietary fib...

Claims

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Application Information

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IPC IPC(8): A23L5/41
CPCA23V2002/00A23L5/41A23V2200/048A23V2200/06A23V2200/02A23V2250/032A23V2250/044A23V2250/02A23V2250/708A23V2250/0616A23V2250/1614A23V2250/1582A23V2250/30
Inventor 不公告发明人
Owner FOSHAN SHIRUI LEADING MATERIAL RES INST GENERAL PARTNERSHIP
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