Preparation method of edible straw and raw material mixing device
A technology of mixing device and straw, which is applied in the field of preparation method of edible straw and raw material mixing device, can solve problems such as poor degradability, poor frost resistance, and high temperature resistance, so as to increase starch gelatinization and promote intestinal health , Improve the effect of water resistance and strength
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Embodiment 1
[0040] The preparation method of the edible straw of the present invention comprises the following steps: S1 Preparation of the first raw material: Take 600 parts of cassava starch, add water to adjust milk to 22.0 Be, use 2.3% sodium hydroxide to adjust pH=8.4, add propylene oxide 200 At the same time, adjust the temperature to 20°C, add 200 parts of acetic anhydride, maintain the pH=8.30 during the reaction, react for 30 minutes, add 4 parts of sodium bisulfate and react for 10 minutes, adjust the pH to 5.0 with 10% HCl, dehydrate and dry to make powder for later use;
[0041] S2 Preparation of the second raw material: Take 10 parts of high-chain corn starch, add water to adjust the milk to 22.0 Be, adjust the pH to 11 with 2.6% sodium hydroxide, add 4 parts of propylene oxide, and react for 1.5 at T=20°C. h, then raise the temperature to T=45.0°C, maintain pH=11.5 with 2.6% sodium hydroxide, and then etherify for 20 hours. After etherification, adjust pH=6 with 8% hydrogen c...
Embodiment 2
[0052] This embodiment is further optimized on the basis of Example 1 as follows: the preparation method of the edible straw of the present invention comprises the following steps: S1 The preparation of the first raw material: take 1000 parts of tapioca starch, add water to adjust milk 22.5Be, Adjust the pH to 8.5 with 2.4% sodium hydroxide, add 500 parts of propylene oxide, and adjust the temperature to 24°C, add 1000 parts of acetic anhydride, maintain the pH=8.5 during the reaction, react for 40 minutes, add 6 parts of sodium bisulfate to react for 12 minutes, Adjust the pH to 5.4 with 10% HCl, dehydrate and dry to make powder for later use;
[0053] S2 Preparation of the second raw material: Take 20 parts of high-chain corn starch, add water to adjust milk 225Be, use 2.8% sodium hydroxide to adjust pH=11, add 8 parts of propylene oxide, and react for 2 hours under the environment of T=25°C. Then heat up to T=47°C, maintain pH=12 with 2.8% sodium hydroxide, and then etherif...
Embodiment 3
[0064] This embodiment is further optimized on the basis of Example 1 as follows: the preparation method of the edible straw of the present invention comprises the following steps: S1 The preparation of the first raw material: take 2000 parts of tapioca starch, add water to adjust the milk 23.0Be, Use 2.5% sodium hydroxide to adjust the pH to 8.6, add 800 parts of propylene oxide, and adjust the temperature to 25°C, add 1200 parts of acetic anhydride, maintain the pH=8.6 during the reaction, react for 60 minutes, add 10 parts of sodium bisulfate and react for 15 minutes, Adjust the pH to 5.5 with 10% HCl, dehydrate and dry to make powder for later use;
[0065] S2 Preparation of the second raw material: Take 30 parts of high-chain corn starch, add water to adjust milk to 23.0Be, use 3.0% sodium hydroxide to adjust pH=12, add 10 parts of propylene oxide, and react for 3 hours at T=30°C , then raise the temperature to T=49°C, maintain pH=12.5 with 3.0% sodium hydroxide, and then...
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