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A kind of flavonoid compound in rose waste residue and its preparation method and application

A technology of flavonoids and waste residues, applied in the field of phytochemistry, can solve the problem of low yield of rose essential oil, achieve the effect of relieving throat irritation and increasing sweetness

Active Publication Date: 2020-06-16
CHINA TOBACCO YUNNAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Rose essential oil is generally prepared from rose flowers picked in the early morning by distillation or supercritical extraction. The yield of rose essential oil is extremely low, and only two pounds of rose oil can be extracted from about five tons of flowers

Method used

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  • A kind of flavonoid compound in rose waste residue and its preparation method and application
  • A kind of flavonoid compound in rose waste residue and its preparation method and application
  • A kind of flavonoid compound in rose waste residue and its preparation method and application

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preparation example Construction

[0049] The preparation method of the flavonoid compound of the present invention is to use the waste residue after producing rose essential oil as a raw material, and it is obtained through the extraction of extract, organic solvent extraction, MCI decolorization, silica gel column chromatography and high performance liquid chromatography separation steps, specifically as follows: :

[0050] A. Extraction of extract: the waste residue powder after the production of rose essential oil is ultrasonically extracted 2 to 5 times with a solvent, and the quality of the extraction solvent used each time is 2 to 6 times the quality of the waste residue powder, and the extraction time is 30 to 60 minutes each time. The extracts are combined and filtered, the filtrate is concentrated under reduced pressure until just precipitates are precipitated, left to stand for 20 to 60 minutes, and the precipitates are filtered off, and then the obtained filtrate is concentrated under reduced pressur...

Embodiment 1

[0062] The sample of waste residue after the production of rose essential oil comes from Yuxi, Yunnan, and the variety is Damask rose.

[0063] A, medicinal extract extraction: the waste residue powder after producing rose essential oil is extracted 2 times with solvent ultrasonic, the quality of extraction solvent used at every turn is 2 times of waste residue powder quality, each extraction time is 30 minutes, merge extract and filter, The filtrate was concentrated under reduced pressure until just precipitates were precipitated, left to stand for 20 minutes, and the precipitates were filtered off, and then the obtained filtrate was concentrated under reduced pressure to obtain extract a;

[0064] B, organic solvent extraction: in medicinal extract a, add the water that weight is 1 times of medicinal extract a weight, then extract 3 times with organic solvent, the volume of organic solvent used at every turn is identical with water volume, merge organic solvent extraction pha...

Embodiment 2

[0070] The sample of waste residue after the production of rose essential oil comes from Yuxi, Yunnan, and the variety is Damask rose.

[0071] A, medicinal extract extraction: the waste residue powder after producing rose essential oil is ultrasonically extracted 5 times with solvent, the quality of extraction solvent used at every turn is 6 times of waste residue powder quality, and each extraction time is 60 minutes, merge extract and filter, The filtrate was concentrated under reduced pressure until a precipitate was precipitated, left to stand for 60 minutes, the precipitate was filtered off, and then the obtained filtrate was concentrated under reduced pressure to obtain extract a;

[0072] B, organic solvent extraction: in medicinal extract a, add the water that weight is 2 times of medicinal extract a weight, then extract 5 times with organic solvent, the volume of organic solvent used at every turn is identical with water volume, merge organic solvent extraction phase,...

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Abstract

The invention relates to a flavonoid compound in damask rose waste residue as well as a preparation method and application thereof and belongs to the technical field of phytochemistry. The flavonoid compound is obtained by separating waste residue generated after producing damask rose essential oil through a distillation method; the compound is named as 5-hydroxy-2',7-dimethoxy-6-methyl-flavone; the molecular formula of the compound is C18H16O5; the structural formula of the compound is expressed as a formula (I) which is shown in the description. The preparation method of the flavonoid compound in the damask rose waste residue comprises the following steps: taking the waste residue generated after producing the damask rose essential oil as a raw material, carrying out extract extraction, carrying out organic solvent extraction, carrying out MCI decoloration, carrying out silica-gel column chromatography and carrying out high-performance liquid chromatography separation to prepare the flavonoid compound. When the compound is added into a cigarette filter, the compound is capable of coordinating with intrinsic fragrance of the tobacco, improving the sweet taste of the smoke and relieving throat irritation after smoking, has an obvious throat-clearing effect, and is also capable of improving the smoking quality of the cigarettes.

Description

technical field [0001] The invention belongs to the technical field of phytochemistry, and relates to a flavonoid compound in rose waste residue and its preparation method and application, in particular to a flavonoid compound extracted for the first time from the waste residue after rose essential oil production. When the compound is added to the cigarette filter, it can coordinate with the original aroma of the tobacco, relieve throat irritation after smoking, have obvious effect of clearing the throat and sharpening the throat, and can improve the smoking quality of the cigarette. Background technique [0002] Damask rose (scientific name Rosa Damascena , commonly known as Damask rose), also known as Turkic rose, Rosaceae Rosa, a classical garden rose, a cluster of shrubs, native to Syria, and widely planted in France since the 14th century. Damask rose is the main rose variety grown in Bulgaria , double-petaled flowers, the edge of the petals is slightly lighter in colo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D311/30C07D311/40A24D3/14
CPCA24D3/14C07D311/30C07D311/40
Inventor 李晶刘欣李雪梅孔维松张承明杨叶昆王明峰者为耿永勤周敏杨光宇胡秋芬李干鹏
Owner CHINA TOBACCO YUNNAN IND
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