Method for accelerating aging of vinegar with ultrasonic wave
An ultrasonic aging technology, applied in the field of aging vinegar, can solve the problems of large one-time investment in ultra-high pressure equipment, cumbersome operation procedures, and long aging time, so as to shorten the aging time, improve aging efficiency, and promote aging. Effect
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Embodiment 1
[0022] Example 1. Accurately measure 100 mL of fresh vinegar and add it to a 200 mL container, add 0.55% ethanol, insert the horn and probe into the container and seal it. Maintain the temperature of the vinegar liquid in the container at 35°C, apply low-frequency high-energy ultrasound with a frequency of 29 KHz and an ultrasound density of 50 W / 100 mL for 70 minutes. Determination of total esters, total acids, liquid amino nitrogen content were 8.288, 5.324, 0.217g / 100mL, alcohols, acids, aldehydes, ketones, esters, heterocycles and phenols in the volatile aroma of total esters The content of the compound reaches 1.48, 22.23, 8.25, 3.55, 7.22, 1.08, 0.96 mg / L, and the total ester of 3-5 year old vinegar is 7.641, 7.836, 8.356 g / 100mL, the total acid is 5.044, 5.540, 6.110 g / 100mL, Liquid amino nitrogen 0.219, 0.206, 0.186 g / 100mL, alcohol content 0.75, 1.68, 1.64 mg / L, acid content 22.46, 22.44, 23.55 mg / L, aldehyde content 7.34, 8.23, 13.10 mg / L, ketones content of 3.17, 2...
Embodiment 2
[0023] Example 2. Accurately measure 100 mL of fresh vinegar and add it to a 200 mL container, add 0.85% ethanol, insert the horn and probe into the container and seal it. Maintain the temperature of the vinegar solution in the container at 30°C, apply low-frequency high-energy ultrasound with a frequency of 24 KHz and an ultrasound density of 60 W / 100 mL for 60 minutes. Determination of total esters, total acids, liquid amino nitrogen content are 8.187, 5.293, 0.221g / 100mL, alcohols, acids, aldehydes, ketones, esters, heterocycles and phenols in the volatile aroma of total esters The content of the compound reaches 1.45, 22.13, 8.23, 3.57, 7.24, 1.09, 0.95 mg / L, and the total ester of 3-5 year old vinegar is 7.641, 7.836, 8.356 g / 100mL, the total acid is 5.044, 5.540, 6.110 g / 100mL, Liquid amino nitrogen 0.219, 0.206, 0.186 g / 100mL, alcohol content 0.75, 1.68, 1.64 mg / L, acid content 22.46, 22.44, 23.55 mg / L, aldehyde content 7.34, 8.23, 13.10 mg / L, ketones content of 3.17, ...
Embodiment 3
[0024] Example 3. Accurately measure 100 mL of fresh vinegar and add it to a 200 mL container, add 0.70% ethanol, extend the horn and the probe into the container and seal it. Maintain the temperature of the vinegar solution in the container at 40°C, apply low-frequency high-energy ultrasound with a frequency of 18 KHz and an ultrasound density of 40 W / 100 mL for 80 minutes. Determination of total esters, total acids, liquid amino nitrogen content are 8.279, 5.298, 0.216g / 100mL, alcohols, acids, aldehydes, ketones, esters, heterocycles and phenols in the volatile aroma of total esters The content of the compound reaches 1.47, 22.21, 8.23, 3.54, 7.27, 1.02, 0.98 mg / L respectively, and the total ester of 3-5 year old vinegar is 7.641, 7.836, 8.356 g / 100mL, the total acid is 5.044, 5.540, 6.110 g / 100mL, Liquid amino nitrogen 0.219, 0.206, 0.186 g / 100mL, alcohol content 0.75, 1.68, 1.64 mg / L, acid content 22.46, 22.44, 23.55 mg / L, aldehyde content 7.34, 8.23, 13.10 mg / L, ketones ...
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