Vanillin microcapsule droplets and preparing method thereof
A vanillin and microcapsule technology, applied in the field of vanillin microcapsule droplets and their preparation, can solve the problem of the controllability of vanillin particle size and morphology is relatively few, inconvenient to use directly, water-soluble It has the effect of increasing pharmacological function, increasing diversity and good biocompatibility.
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[0032] Example 1:
[0033] The process of preparing vanillin / chitosan microsphere droplets by microfluidic method: Dissolve 0.5g vanillin in 10ml benzyl benzoate and add 0.1g natural extract curcumin to color the core material. As L1, take 20ml of chitosan acetic acid solution pre-configured with a pH of 6.5 to 6.8 as L2. The constant internal flow phase port size is 120μm, the linear velocity of L1 is adjusted to 215μm / min, the linear velocity of L2 is 719μm / min, L1 and L2 meet in the pores of the microfluidic device to form vanillin / chitosan microsphere liquid drop.
[0034] The obtained vanillin microcapsule droplets see figure 2 Microscopic image, the resulting microemulsion system has a particle size of 340 μm.
Example Embodiment
[0035] Example 2:
[0036] The process of preparing vanillin / chitosan microsphere droplets by microfluidic method: Dissolve 0.5g vanillin in 10ml benzyl benzoate and add 0.1g natural extract curcumin to color the core material. As L1, take 20ml of chitosan acetic acid solution pre-configured with a pH of 6.5 to 6.8 as L2. The constant internal fluid phase port size is 120μm, the linear velocity of L1 is adjusted to 215μm / min, the linear velocity of L2 is 899μm / min, L1 and L2 meet in the pores of the microfluidic device to form vanillin / chitosan microsphere liquid drop.
[0037] The obtained vanillin microcapsule droplets see image 3 Microscopic image, the particle size of the obtained microemulsion system is about 270μm.
Example Embodiment
[0038] Example 3:
[0039] The process of preparing vanillin / chitosan microsphere droplets by microfluidic method: Dissolve 0.5g vanillin in 10ml benzyl benzoate and add 0.1g natural extract curcumin to color the core material. As L1, take 20ml of chitosan acetic acid solution pre-configured with a pH of 6.5 to 6.8 as L2. The size of the constant internal flow phase port is 120μm, the linear velocity of L1 is adjusted to 215μm / min, the linear velocity of L2 is 1799μm / min, L1 and L2 meet in the pores of the microfluidic device to form vanillin / chitosan microsphere liquid drop.
[0040] The obtained vanillin microcapsule droplets see Figure 4 Microscopic image, the resulting microemulsion system has a particle size of 246μm.
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