Preparation method of rosin glyceride
A technology of rosin glycerides and glycerin, which is applied in the field of preparation of rosin glycerides, can solve the problems of memory loss, damage, and the failure of rosin glycerides to meet the requirements of food additive standards, and achieve the reduction of the content of trace metal elements such as aluminum, simple operation, The effect of mild reaction conditions
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Embodiment 1
[0014] A preparation method of rosin glyceride, the method comprising the following preparation steps:
[0015] A. Put 10Kg of raw material rosin into 20Kg of acidic solution with a pH value of 3, then add 0.15Kg of sodium citrate to it, stir evenly, then heat to 80°C for heat preservation reaction for 20min, after the reaction, stand still and separate , to obtain refined rosin;
[0016] B, the rosin that 2.5Kg fumaric acid, 0.5Kg water and step A make are put into reactor and mix evenly, then be heated to 180 ℃ and carry out insulation reaction for 3 hours;
[0017] C. After the reaction described in step B is completed, add 3.3Kg of glycerin to the reaction kettle, mix well, and then heat to 265° C. for heat preservation reaction for 4 hours to obtain rosin glyceride.
[0018] The aluminum content in the rosin glyceride prepared in this embodiment is 7.5ppm.
Embodiment 2
[0020] A preparation method of rosin glyceride, the method comprising the following preparation steps:
[0021] A. Put 30Kg of raw material rosin into 60Kg of acidic solution with a pH value of 3.5, then add 0.72Kg of sodium citrate to it, stir evenly, then heat to 90°C for 17 minutes of heat preservation reaction, after the reaction, stand still and separate , to obtain refined rosin;
[0022] B, the rosin that 9.4Kg fumaric acid, 3.4Kg water and step A make are put into reactor and mix evenly, then be heated to 180 ℃ and carry out insulation reaction 3 hours;
[0023] C. After the reaction described in step B is completed, add 10Kg of glycerin to the reaction kettle, mix well, then heat to 265° C. for heat preservation reaction for 4 hours to obtain rosin glyceride.
[0024] The aluminum content in the rosin glyceride prepared in this embodiment is 7.4ppm.
Embodiment 3
[0026] A preparation method of rosin glyceride, the method comprising the following preparation steps:
[0027] A. Put 10Kg of raw material rosin into 20Kg of acidic solution with pH value of 4, then add 0.3Kg of sodium citrate to it, stir evenly, then heat to 95°C for insulation reaction for 15min, after the reaction, stand and separate , to obtain refined rosin;
[0028] B, the rosin that 3Kg fumaric acid, 1.25Kg water and step A make are put into reactor and mix evenly, then be heated to 180 ℃ and carry out insulation reaction for 3 hours;
[0029] C. After the reaction described in step B is completed, add 3.3Kg of glycerin to the reaction kettle, mix well, and then heat to 265° C. for heat preservation reaction for 4 hours to obtain rosin glyceride.
[0030] The aluminum content in the rosin glyceride prepared in this embodiment is 7.2ppm.
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