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Preparation method of compound vaccinium bracteatum leaf juice duck blood tofu

A technology of blood tofu and duck in candle juice, which is applied in the field of preparation of compound Nanzhu juice duck blood tofu, can solve the problems of poor chewability, damage to the texture of duck blood tofu, etc., achieves delicious and fragrant taste, and solves the problem that the texture is not delicate enough and the cut surface is not enough. smooth effect

Inactive Publication Date: 2018-04-03
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Repeated heating during the aging and sterilization process will destroy the texture of the duck blood tofu itself, making the duck blood tofu loose, soft and rotten in taste, and poor in chewiness

Method used

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  • Preparation method of compound vaccinium bracteatum leaf juice duck blood tofu
  • Preparation method of compound vaccinium bracteatum leaf juice duck blood tofu
  • Preparation method of compound vaccinium bracteatum leaf juice duck blood tofu

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preparation example Construction

[0020] The method for preparing duck blood tofu with compound Nanzhu juice of the present invention comprises the following steps: adding Nanzhu juice to duck blood after anticoagulation treatment to prepare compound duck blood, and the compound duck blood is coagulated and matured Duck blood tofu is prepared; wherein the volume ratio of Nanzhu juice to duck blood is 1:4. The slurry of Nanzhu juice is acidic, and the pH is adjusted to 7.2 by edible alkali. After mixing with duck blood, it can maintain the activity of duck blood thrombin, thus ensuring that the duck blood tofu can be coagulated into a gel and has good formability. Nanzhu Juice contains polyphenols and other unique black-brown pigments, and there is no need to add any additives such as flavors and pigments during the production process, so that the produced duck blood tofu has uniform color and appropriate hardness. The bactericidal substances contained in Nanzhu juice can reduce the sterilization temperature an...

Embodiment 1

[0040] The preparation method of the compound southern candle juice duck blood bean curd of the present invention comprises the following steps:

[0041] 1) Take freshly picked southern candle leaves and wash them.

[0042] 2) Crush and beat nanzhu leaves and water with a mixer at a mass ratio of 1:2, centrifuge the obtained leaf mites to collect nanzhu juice, filter through two layers of gauze, and stand at 4°C to obtain a slurry containing nanzhu juice pigment.

[0043] 3) Adjust the pH of the Nanzhu slurry to 7.2 with a 20% edible alkali solution (mainly sodium carbonate).

[0044] 4) Collect fresh meat duck blood, add 0.5% sodium citrate solution to the duck blood within 5 minutes, stir gently, filter with double gauze, collect the filtrate and refrigerate immediately at 4°C.

[0045] 5) The Nanzhu juice is mixed with the anticoagulant duck blood at a volume ratio of 1:4.

[0046] 6) The above-mentioned compound duck blood is mixed with the calcium sulfate-sodium chlorid...

Embodiment 2

[0052] The preparation method of the compound Nanzhu juice duck blood tofu of the present invention, the pH value of Nanzhu juice is 6.0; the volume ratio of Nanzhu juice and duck blood is 1:3.5 when mixed; other steps are the same as in Example 1.

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Abstract

The present invention discloses a preparation method of compound vaccinium bracteatum leaf juice duck blood tofu. The preparation method comprises the following steps: vaccinium bracteatum leaf juiceis added into duck blood after an anticoagulation treatment to prepare compound duck blood, the compound duck blood is coagulated and the coagulated duck blood is cured to obtain the duck blood tofu;wherein a volume ratio of the vaccinium bracteatum leaf juice to the duck blood is 1:(3.5-5). The preparation method can cover the smell of the duck blood tofu, also can have certain anti-oxidation, anti-decay and anti-micro-organism effects, and prolongs shelf life of the duck blood tofu. At the same time, the produced duck blood tofu is uniform in color and luster, and smooth in cutting surfaces.

Description

technical field [0001] The invention relates to a preparation method of duck blood tofu. More specifically, the present invention relates to a preparation method of compound Nanzhu juice duck blood tofu. Background technique [0002] Nanzhu, also known as black rice tree, belongs to the Nanzhuguo group of Vaccinium genus. Southern candle leaves contain protein, polysaccharides and rich iron, manganese, zinc, molybdenum, lead and other elements, all of which are necessary for the human body. In addition, Nanzhu contains polyphenols (proanthocyanidins, melanin), polyphenol compounds have antioxidant properties, and also have a significant antibacterial effect. Nanzhu leaves can be used for coloring and can also play a role in food processing. Certain antioxidant and anti-corruption effects. [0003] With the continuous growth of meat duck slaughter, duck blood is the main by-product, and its output is increasing day by day. Duck blood is rich in carbene acid, called duck b...

Claims

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Application Information

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IPC IPC(8): A23L13/20A23L13/50A23L13/40
CPCA23L13/20A23L13/40A23L13/50
Inventor 陈琳吴海虹诸永志卞欢张新笑徐为民王道营
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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