Red date puree rich in dietary fibers and polysaccharide and preparation method thereof
A technology for dietary fiber and red dates, applied in the field of fruit puree preparation, can solve the problems of not conforming to the research and development trend of modern healthy food, high processing cost, low content of dietary fiber and polysaccharide, etc.
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[0023] The invention provides a preparation method of jujube puree rich in dietary fiber and polysaccharide, comprising the following steps:
[0024] 1) The red dates after beating are sieved for the first time to obtain the liquid that removes the jujube skin and the date core residues, and the second sieve is performed, the filtrate is red date juice, and the filter residue is a mixture of red date pulp and dietary fiber; The condition of the sieve is to filter with a 100-mesh and a 300-mesh filter in turn;
[0025] 2) Treat the jujube juice obtained in step 1) at 98-102° C. for 8-12 minutes, cool down, let stand, and separate to obtain the jujube juice precipitate;
[0026] 3) The mixture of jujube pulp and dietary fiber obtained in step 1) is mixed with the jujube juice precipitation obtained in step 2), and beaten to obtain jujube puree rich in dietary fiber and polysaccharides.
[0027] The red dates after beating are first sieved to obtain the liquid that removes the j...
Embodiment 1
[0034] 1) Dried jujube softened
[0035] Use dried jujube as raw material, select dried jujube with plump flesh and no black spots, add water with 3.0 times the mass of the raw material, soften at 100°C for 10 minutes, then add (immediately add) cold water with 3.0 times the mass of the raw material (thus realizing softening rapid cooling of jujubes) to obtain softened jujubes.
[0036] 2) Preparation of jujube pulp and fiber tissue
[0037] The softened red dates obtained in step 1) are beaten with a broken wall cooking machine at 34000r / min for 80s to obtain red date pulp; then filtered with a 40-mesh filter to remove the residue of jujube skin and date core, and then filtered with 100-mesh and 300-mesh filters in turn , collect 100 mesh and 300 mesh filtered residues and mix them for later use (the main components are jujube pulp and dietary fiber, such as figure 2 Shown, its moisture content is 52.18%, soluble sugar content 10.22%).
[0038] 3) Juice Precipitation Prep...
Embodiment 2
[0043] 1) Dried jujube softened
[0044] Use dried red dates as raw materials, choose dried red dates with full flesh and no black spots, add water 2.5 times the weight of the raw materials, soften at 100°C for 10 minutes, and then add (immediately add) cold water 3.5 times the weight of the raw materials (so as to achieve softening) rapid cooling of jujubes) to obtain softened jujubes.
[0045] 2) Preparation of jujube pulp and fiber tissue
[0046] The softened red dates obtained in step 1) are beaten with a broken wall cooking machine at 32000r / min for 90s to obtain red date pulp; then filtered with a 40-mesh filter to remove the residue of jujube skin and date core, and then filtered with 100-mesh and 300-mesh filters in turn , collect the residue that 100 orders and 300 orders are filtered and mix standby (its main component is jujube pulp and dietary fiber, and its moisture content is 53.24%, soluble sugar content 10.41%)
[0047] 3) Juice Precipitation Preparation
...
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