Nutritional pig blood bean curd and preparation method thereof
A pig's blood tofu and nutrition technology, which is applied in the directions of food ultrasonic treatment, function of food ingredients, food science, etc., can solve the problems of low utilization rate of iron, blood tofu without multiple nutritional functions, and heme iron cannot be used by the human body, etc. The effect of high utilization rate of iron, improved sensory quality, and improved efficiency
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Embodiment 1
[0024] 1) Preparation of anticoagulated pig blood
[0025] According to the ratio of 0.5:100, add a corresponding number of sodium citrate to fresh pig blood, mix well and filter, then ultrasonicate it at 300w ultrasonic power for 2.5min to obtain the anticoagulated pig blood;
[0026] 2) Preparation of cellulose ether:
[0027] Dissolve 1 part of sodium carboxymethylcellulose in water to prepare a cellulose ether solution with a mass concentration of 2%.
[0028] 3) Coagulation of pork blood tofu:
[0029] Take 50 parts of the anticoagulated pig blood prepared in step 1 and mix with 75 parts of the cellulose ether solution prepared in step 2. After mixing evenly, add 7 parts of 1% calcium chloride solution by mass concentration and let it stand for 10 minutes to solidify.
[0030] 4) Pork blood tofu frozen:
[0031] The coagulated pig blood was frozen at -20°C for 16 hours, and packaged after freezing.
Embodiment 2
[0033] 1) Preparation of anticoagulated pig blood
[0034] According to the ratio of 0.5:100, add a corresponding number of sodium citrate to fresh pig blood, mix well and filter, then ultrasonicate it at 300w ultrasonic power for 2.5min to obtain the anticoagulated pig blood;
[0035] 2) Preparation of cellulose ether:
[0036] Dissolve 1 part of sodium hydroxyethyl methylcellulose in water to prepare a cellulose ether solution with a mass concentration of 2%.
[0037] 3) Coagulation of pork blood tofu:
[0038] Take 50 parts of the anticoagulated pig blood prepared in step 1 and mix with 75 parts of the cellulose ether solution prepared in step 2. After mixing evenly, add 7 parts of 1% calcium chloride solution by mass concentration and let it stand for 10 minutes to solidify.
[0039] 4) Pork blood tofu frozen:
[0040] The coagulated pig blood was frozen at -20°C for 16 hours, and packaged after freezing.
Embodiment 3
[0042] 1) Preparation of anticoagulated pig blood
[0043] According to the ratio of 0.7:100, add the corresponding amount of sodium citrate to the fresh pig blood, mix it and filter it, and then ultrasonicate it under the ultrasonic power of 200w for 3min to obtain the anticoagulated pig blood;
[0044] 2) Preparation of cellulose ether:
[0045] Dissolve 0.1 part of sodium carboxymethylcellulose in water to prepare a cellulose ether solution with a mass concentration of 0.3%.
[0046] 3) Coagulation of pork blood tofu:
[0047] Take 90 parts of the anticoagulated pig blood prepared in step 1 and mix with 80 parts of the cellulose ether solution prepared in step 2. After mixing evenly, add 5 parts of 1% calcium chloride solution by mass concentration and let it stand for 5 minutes to solidify.
[0048] 4) Pork blood tofu frozen:
[0049] The coagulated pig blood was frozen at -20°C for 12 hours, and packaged after freezing.
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