Preparation method of oil-soluble pepper oleoresin
A pepper oil, oil-soluble technology, applied in the direction of natural resin refining, natural resin technology, chemical instruments and methods, etc., can solve the problems of poor oil solubility, uneven products, inconvenient use, etc., and achieve high operability, Improved oil solubility and improved convenience
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[0021] A preparation method of oil-soluble pepper oleoresin, comprising the following steps:
[0022] Step 1, adding 30%-100% of the pepper oleoresin weight glycerol monooleate to the pepper oleoresin, raising the temperature to 70-90°C, and stirring for 60-90min until the pepper oleoresin is completely dissolved;
[0023] In step 2, the dissolved pepper oleoresin is cooled to 25-35° C. at a speed of 1-10° C. / h while stirring at a speed of 1-10 rpm to obtain oil-soluble pepper oleoresin.
[0024] Further, the addition amount of glycerol monooleate is 40-80% of the weight of pepper oleoresin, preferably 50-70%.
[0025] Further, the dissolution temperature of pepper oleoresin is raised to 75-85°C, preferably 80°C.
[0026] Further, the temperature-lowering stirring rate is 3-8rpm, preferably 5rpm.
[0027] Further, the cooling rate is 3-8°C / h, preferably 5°C / h.
[0028] The prepared oil-soluble pepper oleoresin is clear and transparent without precipitation when diluted with...
Embodiment 1
[0032] A preparation method of oil-soluble pepper oleoresin, comprising the following steps:
[0033] Step 1, dissolving: take 1kg of pepper oleoresin, add 500g of glycerol monooleate, heat up to 80°C, keep warm and stir for 60min, wherein the piperine content in pepper oleoresin is 60%.
[0034] Step 2, cooling: Stir the dissolved pepper oleoresin at a speed of 5 rpm, and continue cooling down to 30°C at a speed of 5°C / h, and stop stirring after cooling down to 30°C to obtain a total of 1500g of oil-soluble pepper oleoresin.
[0035] After testing, 100g of the obtained oil-soluble pepper oleoresin was added to 300g of soybean oil, and stirred at room temperature for 20 minutes to obtain a pepper oleoresin oil solution with 10% piperine content, which was in a clear and transparent state.
Embodiment 2
[0037] A preparation method of oil-soluble pepper oleoresin, comprising the following steps:
[0038] Step 1, dissolving: take 1kg of pepper oleoresin, add 300g of glycerol monooleate, heat up to 80°C, heat and stir for 60min, wherein the piperine content in pepper oleoresin is 60%;
[0039] Step 2, cooling: Stir the dissolved pepper oleoresin at a speed of 2 rpm, and continue cooling down to 30°C at a speed of 2°C / h, and stop stirring after cooling down to 30°C to obtain a total of 1300g of oil-soluble pepper oleoresin.
[0040] After testing, 100g of the obtained oil-soluble pepper oleoresin was added to 360g of soybean oil, stirred at room temperature for 20min, and a pepper oleoresin oil solution with 10% piperine content was obtained, which was in a clear and transparent state.
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