Petroleum ether extracted yellow tea extract, preparation and application thereof
A petroleum ether extraction and petroleum ether technology is applied in the field of cigarette additive preparation to achieve the effects of reducing irritation, enriching cigarette aroma, reducing irritation and miscellaneous gas
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Embodiment 1
[0028] Weigh 500 grams of yellow tea with an electronic balance, put it into a flask, add 2500ml of medical grade petroleum ether with a boiling point of 30-60°C, soak for 10h at 20°C, separate the solid and liquid with a Bush funnel, collect the clear liquid, and get The liquid was distilled and concentrated for 2.0 h at a vacuum degree of 0.05 MPa and a distillation temperature of 28° C., and the solvent was removed to obtain 0.6 g of extract.
Embodiment 2
[0030] Weigh 1000 grams of yellow tea with an electronic balance, put it into an Erlenmeyer flask, add 10000ml of petroleum ether with a boiling point of 60-90°C, soak for 20 hours at 30°C, separate the solid and liquid with a Bush funnel, collect the clear liquid, and obtain the liquid Distill and concentrate for 1.0 h at a vacuum of 0.1 MPa and a distillation temperature of 30° C., and remove the solvent to obtain 2.45 g of extract.
Embodiment 3
[0032] Weigh 1000 grams of yellow tea with an electronic balance, put it into an Erlenmeyer flask, add 15000ml of petroleum ether with a boiling point of 30-60°C, soak at 15°C for 10 hours, separate the solid and liquid with a Bush funnel, collect the clear liquid, and obtain the liquid Distill and concentrate for 1.5 h under the condition of vacuum degree of 0.01 MPa and distillation temperature of 25° C., and remove the solvent to obtain 2.50 g of extract.
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