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Vacuum fast freezing, storing and freshening new technology of fresh osmanthus flowers

A vacuum fast, new technology, applied in the direction of freezing/refrigerating preservation of fruits/vegetables, preservation of flowers, etc., can solve the problems of low added value, color, fragrance, stability residue, and the influence of sweet-scented osmanthus fragrance, etc.

Inactive Publication Date: 2010-08-11
四川日香桂农业科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can effectively reduce the browning of flowers, it has a serious impact on the fragrance of sweet-scented osmanthus
Dried flowers or extracts, absolute oils and other products prepared from sweet-scented osmanthus flowers soaked in salt alum water have problems in color, fragrance, stability, residue, etc., and the added value is very low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Put 20 kg of harvested fresh flowers into a food vacuum packaging bag with a weight of 1 kg per bag, pump the vacuum until the vacuum degree in the packaging bag reaches -0.05MPa, seal it, and immediately put it into a quick-freezing cabinet at -50°C After quick freezing for 2 hours, transfer to a freezer at -20°C and store for one year. The color and smell of osmanthus flowers after Kaifeng and thawing are basically the same as that of fresh flowers.

Embodiment 2

[0022] Put 20 kg of harvested fresh flowers into food vacuum packaging bags with a weight of 2 kg per bag, pump the vacuum until the vacuum degree in the packaging bag reaches -0.095MPa, seal it, and immediately put it into a quick-freezing cabinet at -30°C After quick freezing for 2 hours, transfer to a refrigerator at 0°C and store for one year. The color and smell of osmanthus flowers after Kaifeng and thawing are basically the same as that of fresh flowers.

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PUM

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Abstract

The invention aims at providing a vacuum fast freezing, storing and freshening new technology of the fresh osmanthus flowers, belonging to the technical field of freshening and storing fresh flowers. The stored fresh osmanthus flowers has the characteristics of small storing volume, no brown stain, no flavor reversion and long storing time.

Description

technical field [0001] The invention discloses a technology for quick-freezing and fresh-keeping storage of sweet-scented osmanthus flowers, and belongs to the technical field of fresh-keeping and storage of plant flowers. Background technique [0002] Osmanthus fragrans (Osmanthus fragrans) is an evergreen shrub or small tree of Oleaceae Oleaceae. Osmanthus fragrans originates in the southwestern and central parts of my country, and is now widely planted in the Yangtze River Basin and areas south of it. Wild osmanthus is found in Sichuan, Yunnan, Guangxi, Guangdong, Hubei and other provinces in the southwest and southeast of my country; it is also distributed in India, Nepal, and Cambodia. Osmanthus osmanthus is evergreen with luxuriant leaves, long age, blooms in autumn, and is full of fragrance. It is a special ornamental flower and aromatic tree in my country. [0003] Osmanthus fragrans is also one of my country's top ten traditional famous flowers. Its floral fragran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/04A01G5/06
Inventor 秦奇昌黄静王燕
Owner 四川日香桂农业科技开发有限公司
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