A strain qtx26 of Rhodosporium lusitania with high yield of aroma substances and its application

A QTX26, yeast strain technology, applied in the field of microorganisms, can solve problems such as aerobic

Active Publication Date: 2022-05-06
宁夏农产品质量标准与检测技术研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Rhodosporidiobolus lusitaniae, there are very few reports on this type of fungus, and the source of Rhodosporidiobolususitaniae strains available on the market is isolated from forest soil , the culture condition is 25℃, aerobic

Method used

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  • A strain qtx26 of Rhodosporium lusitania with high yield of aroma substances and its application
  • A strain qtx26 of Rhodosporium lusitania with high yield of aroma substances and its application

Examples

Experimental program
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Effect test

experiment example 1

[0031] The source and place of production of the grape varieties used in Experimental Example 1 are shown in Table 1 below:

[0032] Table 1

[0033] grape variety place of origin source cabernet sauvignon Production area at the eastern foot of Helan Mountain in Ningxia collection Merlot Production area at the eastern foot of Helan Mountain in Ningxia collection Syrah Production area at the eastern foot of Helan Mountain in Ningxia collection snake dragon ball Production area at the eastern foot of Helan Mountain in Ningxia collection little flavor Production area at the eastern foot of Helan Mountain in Ningxia collection Noble fragrance Production area at the eastern foot of Helan Mountain in Ningxia collection Vidal Production area at the eastern foot of Helan Mountain in Ningxia collection Riesling Production area at the eastern foot of Helan Mountain in Ningxia collection Chardonnay ...

experiment example 2

[0035] The grape variety used in Experimental Example 2 is Vidal ice grape, purchased from Ningxia Bagus Drunken Beauty International Winery Co., Ltd.;

[0036] Commercial strain-Saccharomyces cerevisiae F33 was purchased from Laffort, France.

[0037] The first group of embodiments, bacterial strain QTX26 of the present invention

[0038] The embodiment of this group provides a strain QTX26 of Rhodosporidiobolususitaniae strain QTX26, whose preservation number is CCTCC M 2021088.

[0039] The 2nd group embodiment, the application of bacterial strain QTX26 of the present invention

[0040] This group of examples provides the application of Rhodosporidiobolus lusitaniae strain QTX26 with the preservation number CCTCC M 2021088 in the production of aroma substances.

[0041] In some embodiments, the aroma substances are selected from the group consisting of citronellol, linalool, linalool, 3-octanone, damascenone, ethyl caprate, ethyl caprylate, ethyl heptanoate, caproic acid ...

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Abstract

The present invention "a strain QTX26 of Rhodosporium lusitania with high yield of aroma substances and its application" belongs to the technical field of microorganisms. The preservation number of the Rhodosporidiobolus lusitaniae strain QTX26 with high yield of aroma substances is CCTCC M 2021088. The yield of n-hexanol produced by the strain fermenting grape juice was as high as 842.09 μg / L, the yield of isoamyl acetate was as high as 505.66 μg / L, the yield of rose oxide was as high as 9.09 μg / L, and the yield of hexyl acetate was as high as 83.52 μg / L.

Description

technical field [0001] The invention belongs to the technical field of microbes, and in particular relates to a Rhodosporium lusitania strain QTX26 with high yield of aroma substances and its application. Background technique [0002] Rhodosporidiobolus lusitaniae, there are very few reports on this type of fungus, and the source of Rhodosporidiobolususitaniae strains available on the market is isolated from forest soil , the culture condition is 25°C, aerobic. [0003] Rhodosporidiobolususitaniae, which can produce aroma substances such as 1-octen-3-ol, rose oxide, and octyl acetate, has never been reported in the art. Contents of the invention [0004] Based on the above-mentioned gaps in this field, the present invention screened and obtained a strain of Rhodospora lusitania that fermented high-yielding aroma substances such as 1-octen-3-ol, rose ether, and octyl acetate by using grape juice as a substrate. Yeast Rhodosporidioboluslusitaniae strain QTX26. [0005] Te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/16C12G1/022C12R1/645
CPCC12N1/16C12G1/0203
Inventor 葛谦李冬王晓静苟春林闫玥张静李彩虹鲍小明孙翔宇路洁赵丹青刘俭马婷婷单巧玲
Owner 宁夏农产品质量标准与检测技术研究所
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