Preparation method of Cangzhou golden silk jujube powder
The technology of golden jujube and jujube powder is applied in the field of fruit and vegetable processing, which can solve the problems of nutrient loss, heat-sensitive nutrient loss, easy coking of products, etc., and achieve the effects of extending shelf life, strong penetrating power, and maintaining color and nutrition.
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Embodiment 1
[0032] Example 1: Preparation process of jujube powder
[0033] The golden silk jujube dried jujube with full texture, bright red color, free from insects and mildew, was measured to have a moisture content of 3.62% (GB5009.3-2010) and a protein content of 5.31% (GB5009. 5-2010), the vitamin C content is 23.42mg / 100g (GB6195-86), and the total sugar content is 39.51% (colorimetric determination of reducing sugar method).
[0034] Wash the golden jujube three times with clean water at room temperature, and place it on a clean ceramic plate.
[0035] Preheat the blast drying oven, wait for its temperature to stabilize to the set temperature of 65℃ for about half an hour, then place the ceramic plate with golden jujube in the blast drying oven, and pass the surface of golden jujube for 1-2h Be dried.
[0036] After the surface is dried, remove the ceramic plate and close the blast drying oven. When the temperature of Jinsixiaozao drops to room temperature, cut the pieces with clean sta...
Embodiment 2
[0043] Example 2: Determination of the multiple of water added during beating of Jinsixiaozao
[0044] When the water addition ratio is 5 or 6, the concentration of jujube pulp is high, especially after adding the drying aid, the sample is too thick. When the water addition ratio is greater than 7, the sample is too thin and the drying time is prolonged. Therefore, the water addition ratio is 7 for beating.
Embodiment 3
[0045] Example 3: Comparison of the powdering effects of jujube pulp and jujube juice
[0046] After drying the samples made of jujube pulp and jujube juice, it was found that the jujube juice was not only difficult to dry, but also difficult to grind into powder after drying, and the powdering rate was extremely low. Therefore, this study uses jujube pulp to make powder.
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