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Method for preparing Senmiao jinziguan Xanthoceras sorbifolium Bunge scented tea through vacuum freeze drying

A vacuum freeze-drying and vacuum-drying technology, which is applied in the field of vacuum freeze-drying to prepare Senmiao Jin Ziguan Xingguan fruit scented tea, can solve the problem of reducing the quality and nutritional content of scented tea, less research and development of Xantho sorbifolia calyx, and affecting the nutritional content of petals, etc. problem, to achieve the effect that the active ingredients remain intact, the color is bright, and the color is stable

Pending Publication Date: 2021-06-25
宁夏林业研究院股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the gradual increase in the research enthusiasm of X. sorbifolium, the development and utilization of X. sorbifolia seed oil has a relatively mature preparation process, X. sorbifolia leaves are also processed to prepare X. At present, there is only research on processing technology using traditional drying treatment. In the drying process, the temperature used is high, which often destroys the petal tissue and affects the nutritional content of the petals, thereby reducing the quality and nutritional content of scented tea.

Method used

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  • Method for preparing Senmiao jinziguan Xanthoceras sorbifolium Bunge scented tea through vacuum freeze drying
  • Method for preparing Senmiao jinziguan Xanthoceras sorbifolium Bunge scented tea through vacuum freeze drying

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preparation example Construction

[0015] The invention provides a kind of Senmiao golden purple crown fruit scented tea prepared by a vacuum freeze-drying process. Specifically, the Senmiao golden purple crown fruit scented tea is used as a raw material of the Senmiao golden purple crown fruit at the early blooming stage. The preparation method comprises: raw materials Selection, pre-freezing, vacuum freeze-drying, screening, metering and packaging, etc.

[0016] Specific steps are as follows:

[0017] 1. Selection of raw materials: Pick fresh Senmiao golden purple crown sorbiflora flowers at the early blooming stage, and remove the soil and impurities on the sorbiflora flowers;

[0018] 2. Pre-freezing: the temperature of pre-freezing is -30 to -40 ℃, and the time of pre-freezing is 6-10 hours;

[0019] 3. Vacuum drying: the temperature of vacuum drying is -15 to -5°C, and the time of vacuum drying is 14 to 16h; analysis: the temperature of analysis is 15 to 35°C, and the time of analysis is 6 to 8h;

[002...

Embodiment 1

[0027] A preparation method of Senmiao golden purple crown fruit scented tea, comprising: taking Senmiao golden purple crown sorbiflora flower at the beginning stage of flowering as raw material for the Senmiao golden purple crown fruit scented tea, the preparation method comprising: raw material selection, pre-freezing, vacuum freeze-drying, Sorting, measuring and packaging.

[0028] Specific steps are as follows:

[0029] 1. Selection of raw materials: Pick fresh Senmiao golden purple crown sorbiflora flowers at the early blooming stage, and remove the soil and other impurities on the sorbiflora flowers;

[0030] 2. Pre-freezing: control the pre-freezing temperature to -30°C, and the pre-freezing time to 10 hours;

[0031] 3. Vacuum drying: control the temperature of vacuum drying to -15°C, and the time of vacuum drying is 16 hours; analysis: control the temperature of analysis to 25°C, and the time of analysis is 6 hours;

[0032] 4. Screening: place the treated dried Sen...

Embodiment 2

[0035] A preparation method of Senmiao golden purple crown fruit scented tea, comprising: taking Senmiao golden purple crown sorbiflora flower at the beginning stage of flowering as raw material for the Senmiao golden purple crown fruit scented tea, the preparation method comprising: raw material selection, pre-freezing, vacuum freeze-drying, Sorting, measuring and packaging.

[0036] Specific steps are as follows:

[0037] 1. Selection of raw materials: Pick fresh Senmiao golden purple crown sorbiflora flowers at the early blooming stage, and remove the soil and impurities on the sorbiflora flowers;

[0038] 2. Pre-freezing: control the pre-freezing temperature to -35°C, and the pre-freezing time to 8 hours;

[0039] 3. Vacuum drying: Control the vacuum drying temperature to -10°C, and the vacuum drying time is 15 hours; analysis: the analysis temperature is 30°C, and the analysis time is 5 hours;

[0040] 4. Screening: place the treated dried Senmiao golden purple crown fr...

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Abstract

The invention discloses a method for preparing Senmiao jinziguan Xanthoceras sorbifolium Bunge scented tea through vacuum freeze drying, and belongs to the technical field of scented tea preparation. The method for preparing Senmiao jinziguan Xanthoceras sorbifolium Bunge scented tea through vacuum freeze drying comprises the following steps: (1) selecting raw materials: picking fresh flowers of the Senmiao jinziguan Xanthoceras sorbifolium Bunge in the initial blooming period, and removing soil and impurities on the flowers of the Senmiao jinziguan Xanthoceras sorbifolium Bunge; (2) pre-freezing: placing the flowers of the Senmiao jinziguan Xanthoceras sorbifolium Bunge for 6 hours at the temperature of-30 DEG C, and carrying out pre-freezing; (3) vacuum freeze-drying: putting the pre-frozen flowers into a freeze-drying bin, and controlling the vacuum degree to be 50-60Pa, the sublimation temperature to be-10 DEG C for 14 hours and the desorption temperature to be 28 DEG C for 6 hours; (4) screening: removing disintegrating slag in the treated dried flowers of Senmiao jinziguan Xanthoceras sorbifolium Bunge; and (5) metering and sub-packaging: sorting the dried flowers of Senmiao jinziguan Xanthoceras sorbifolium Bunge, and carrying out metering and sub-packaging. The adopted drying temperature is low, the tissue, appearance and nutritional ingredients of the petals cannot be damaged, and the prepared xanthoceras sorbifolia bunge scented tea is fresh and mellow in fragrance, good in rehydration performance and relatively complete in nutritional ingredient retention.

Description

technical field [0001] The invention relates to a method for preparing Senmiao Jinziguan Xingguan fruit scented tea by vacuum freeze-drying. Background technique [0002] Xingguan fruit is a woody oil-bearing and medicinal tree species unique to the cold to warm temperate xerophytic regions in northern my country. The fruit, flowers, leaves, stems, and roots of X. sorbifolium all contain bioactive ingredients that can improve body functions. The linoleic acid and linolenic acid in Xantho sorbifolium seed kernels are rich in linoleic acid and linolenic acid, and regular consumption can prevent cardiovascular and cerebrovascular diseases; cholesterol etc. The water extract of the kernels, stalks and leaves of X. sorbifolium has a significant effect on enuresis in children, and can antagonize the learning and memory impairment in mice caused by chemical drugs. [0003] With the gradual increase in the research enthusiasm of X. sorbifolium, the development and utilization of ...

Claims

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Application Information

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IPC IPC(8): A23F3/34
CPCA23F3/34
Inventor 王娅丽田莉沈金虎谢军吴保兵
Owner 宁夏林业研究院股份有限公司
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