Method for preparing beta-carotene cigarette flavoring agent under ultrahigh pressure
A carotene and ultra-high pressure technology, which is applied in the preparation of tobacco, tobacco, essential oils/spices, etc., can solve problems such as waste of resources, environmental pollution, and waste tobacco leaves, and achieve the effects of reducing pollution, high safety, and fast speed
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Embodiment 1
[0015] 1. Extraction of β-carotene:
[0016] (1) Dry and pulverize waste tobacco leaves at 30°C and pass through a 20-mesh sieve to obtain tobacco leaf powder; place the tobacco leaf powder in an extraction device, perform ultrasonic extraction, and separate and obtain crude β-carotene;
[0017] (2) Put the crude product of β-carotene through alumina column chromatography, and carry out gradient elution with n-hexane: acetone: ethanol as the eluent, start to collect when the eluent turns yellow, and continue to wash until the eluent turns from yellow to When it becomes colorless, add the remaining crude extract solution to the chromatography column, repeat the above elution operation until the eluent turns from yellow to colorless, collect the filtrate, and concentrate to obtain pure β-carotene . (Refer to the specific extraction process of lutein: Wu Yanmiao, Zeng Youlin, Xie Xianglin, etc. Research on the extraction and purification process of β-carotene in low-grade tea, C...
Embodiment 2
[0021] 1. The extraction method of β-carotene is the same as in Example 1.
[0022] 2. Preparation of cigarette flavoring agent
[0023] Disperse 1.0g of pure β-carotene isolated from waste tobacco leaves in 400g of propylene glycol, place in a double-layer composite plastic bag, heat seal, set the pressure at 600Mpa, the temperature in the high-pressure chamber is 40°C, and the holding time is After 30 minutes, the product is a degraded tobacco flavor, which can be flavored directly or after dilution. The composition of flavoring agent detected by chromatographic analysis is as follows: 6-methyl-2-heptanone (0.897%); oxidized isophorone (2.412%); cyclocitral (0.715%); damascenone (8.021%) ; Damascenone (3.267%); α-ionone (3.687%); β-ionone (3.582%); macrostigmatrienone (18.026%); dihydroactinolactone (7.817%).
Embodiment 3
[0025] 1. The extraction method of β-carotene is with embodiment 1.
[0026] 2. Preparation of cigarette flavoring agent
[0027] Disperse 1 g of the isolated and purified β-carotene in 50 g of ethanol with a volume concentration of 50%, place it in a double-layer composite plastic bag, heat seal it, set the pressure at 50 Mpa, and keep the pressure at 90 °C in the high-pressure chamber. After 40 minutes, the degraded tobacco flavor is obtained, which can be flavored directly, or concentrated or diluted. The composition of flavoring agent detected by chromatographic analysis is as follows: 6-methyl-2-heptanone (0.451%); oxidized isophorone (1.057%); cyclocitral (0.412%); damascenone (5.125%) ; Damascenone (1.879%); α-ionone (2.017%); β-ionone (2.217%); macrostigmatrienone (12.621%); dihydroactinolactone (4.876%).
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