Preparation method of glucose/glutamic acid Maillard reaction flavor for cigarettes
A technology of glucose and glutamic acid, applied in essential oils/spices, preparation of tobacco, tobacco, etc., can solve the problems of insignificant effect, unstable quality, weak pertinence, etc., so as to increase the production volume and enrich the aroma of smoke. rhythm, reducing turbulence and irritating effects
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[0024] Example 1:
[0025] Weigh 100mmol of glucose and 50mmol of glutamic acid and mix them in 100mL of 30% ethanol aqueous solution, adjust the pH of the system to 9.0, and heat the reaction in an oil bath at 105°C for 3h. After the reaction, the reaction product is quickly cooled to room temperature and filtered to remove insolubles. Get the initial product. The initial product was extracted with 100 mL×3 ethyl acetate, the extracts were combined and dried with anhydrous sodium sulfate, and then the organic solvent was removed by rotary evaporation to obtain 0.21 g of a brown paste-like small molecule volatile product, which is relative to the total amount of the feed The yield was 1.69%.
[0026] The product is dissolved in ethanol to prepare a perfuming solution, sprayed evenly on the cut tobacco according to 0.005% of the weight of the cut tobacco, and rolled into a cigarette after baking. The smoking evaluation results show that the smoke has a sweet burnt aroma and a prom...
Example Embodiment
[0027] Example 2:
[0028] Weigh 100mmol of glucose and 100mmol of glutamic acid and mix them in 100mL of 50% ethanol aqueous solution. Adjust the pH of the system to 9.0. Heat the reaction in an oil bath at 105°C for 6 hours. After the reaction, the reaction product is quickly cooled to room temperature and filtered to remove insolubles. Get the initial product. The initial product was extracted with 100mL×3 ethyl acetate, the extracts were combined and dried with anhydrous sodium sulfate, and then the organic solvent was removed by rotary evaporation to obtain 0.31g of a brown paste-like small molecule volatile product, relative to the total amount of the feed The yield was 1.89%.
[0029] The product is dissolved in ethanol to prepare a perfuming solution, sprayed evenly on the cut tobacco according to 0.005% of the weight of the cut tobacco, and rolled into a cigarette after baking. The smoking evaluation results show that the smoke has a sweet burnt aroma and a prominent ba...
Example Embodiment
[0030] Example 3:
[0031] Weigh 100mmol glucose and 150mmol glutamic acid and mix in 100mL 50% ethanol aqueous solution ) Adjust the pH of the system to 9.0, heat the reaction in an oil bath at 105°C for 6 hours. After the reaction, the reaction product is quickly cooled to room temperature, and the insoluble matter is removed by filtration to obtain the initial product. After the initial product was extracted with 100 mL×3 ethyl acetate, the separated water phase was subjected to rotary evaporation to remove most of the water, and then freeze-dried to obtain 21.5 g of the solid initial product.
[0032] Take 1.0g of the solid initial product, use a 2.5cm×100cm Bio-gel P-6 gel column for gel permeation chromatography column chromatography, use ultrapure water as the mobile phase for elution, and the flow rate is 0.5mL / min. When the colored substances flow to the bottom of the column, the eluent is collected at a speed of 5 min / tube, and the elution is completed when all the colo...
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