Drying and Color Preservation Method of Camellia Petals

A technology of petals and camellias, which is applied in the field of drying and color retention of camellia petals, which can solve the problems of long-term storage and use, low utilization rate of camellia petals, and difficult preservation of camellia petals, etc., to achieve good color, good petal toughness, and less color fading Effect

Inactive Publication Date: 2011-12-21
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the camellia petals are also conventionally de-enzymed and dried, there will be obvious color fading, and there will be more stains, which is not beautiful enough. At the same time, fresh camellia petals are also very difficult to preserve, and they will oxidize after a very short period of time. Therefore, the utilization rate of camellia petals is extremely low, and they can only be used immediately, and cannot be stored for a long time. This is also the technical reason why there are no commercially available camellia petals

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Make a skin care solution with glycerin and water at a volume ratio of 30ml:100ml for later use, then pick the camellia flowers that are bright red, plump, without black spots and half-opened. Within 20 minutes after picking, the camellia flowers need to be soaked in the formula In the formed protective solution, the soaking time is 2.5 hours. Take out the camellia flowers, pick off the petals, rinse them with clean water, and immediately immerse the petals in a tartaric acid solution with a concentration of 30% by weight, soak for 1.2 to 1.3 hours, and remove them. Take out the petals, rinse them with clean water, place the petals evenly on the oily sticky paper, put the oily sticky paper with the petals in the microwave oven, and kill them for 35-45 seconds under 500W. To prevent shrinkage, pay attention to observation after 30 seconds, take it out after finishing, then put the oily sticky paper with petals in the blast drying oven, and dry it at a temperature of 50-60...

Embodiment 2

[0018] It is basically the same as Example 1, except that the type-protecting liquid is made of glycerin and water at a volume ratio of 20ml:100ml, the soaking time of camellia flowers in the type-protecting liquid is 2.5 hours, the concentration of tartaric acid solution is 20%, and the petals Soak for 1.4 to 1.5 hours, kill greens under 550W microwave conditions for 30 to 35 seconds, and dry at 40 to 50°C.

Embodiment 3

[0020] It is basically the same as Example 1, except that the type-protecting liquid is made of glycerin and water at a volume ratio of 40ml: 100ml, the soaking time of camellia flowers in the type-protecting liquid is 1.5 hours, the concentration of tartaric acid solution is 40%, and the petals Soak for 1.0 to 1.1 hours. Microwave fixation is replaced by steam fixation. Put the oily sticky paper with petals on the boiling water for 40 to 50 seconds. Dry at ~70°C.

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PUM

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Abstract

The invention discloses a drying and color-retaining method for camellia petals. The drying and color-retaining method comprises the following steps of: soaking bright red, full and half-opened camellia flowers without black spots in a shape protection liquid for 20 minutes after the camellia flowers are picked off to protect the shape of the camellia petals and prevent the camellia petals from being oxidized to generate color spots, picking off the petals from the camellia flowers after the shapes of the camellia petals are stable, soaking the petals in a tartaric acid solution to protect the stable colors of the petals so that the petals are hard to fade away and can still keep bright colors during enzyme deactivation and drying; and carrying out microwave/steam enzyme deactivation treatment, rapidly deactivating the oxidizing enzymes in the petals to reduce the decompression of nutrients, and drying the petals at 40-70 DEG C till the water content of the petals is less than or equal to 10% to obtain dried camellia petals. Therefore, the drying and color-retaining method for camellia petals, disclosed by the invention, has the advantages of low color fading degree, no color spots, stable shapes of the petals and better toughness of the petals.

Description

technical field [0001] The invention relates to a drying technique for petals, in particular to a method for drying and color-preserving camellia petals. Background technique [0002] At present, the common dried petals on the market are rose petals and rose petals. Although fresh petals have been cleaned and dried, the color of dried rose petals and rose petals is not as bright as that of fresh petals, but there is less fading and less staining . However, if the camellia petals are also conventionally de-enzymed and dried, there will be obvious color fading, and there will be more stains, which is not beautiful enough. At the same time, fresh camellia petals are also very difficult to preserve, and they will oxidize after a very short period of time. Therefore, the utilization rate of camellia petals is extremely low, and they can only be used immediately, and cannot be preserved for a long time. This is also the technical reason why there are no commercially available cam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G5/00
Inventor 应震倪穗
Owner NINGBO UNIV
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