CN113370707A - Method for preparing environment-friendly dried flowers by using pistachio nut shells - Google Patents
Method for preparing environment-friendly dried flowers by using pistachio nut shells Download PDFInfo
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- CN113370707A CN113370707A CN202110695602.3A CN202110695602A CN113370707A CN 113370707 A CN113370707 A CN 113370707A CN 202110695602 A CN202110695602 A CN 202110695602A CN 113370707 A CN113370707 A CN 113370707A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/06—Natural ornaments; Imitations thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
- B27K3/0214—Drying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0271—Vapour phase impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/12—Impregnating by coating the surface of the wood with an impregnating paste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/12—Uniting ornamental elements to structures, e.g. mosaic plates
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a method for preparing environment-friendly dried flowers by using pistachio nut shells, and belongs to the technical field of dried flower preparation. Specifically disclosed is: (1) drying the pistachio nut shells at 65-85 ℃, cooling to room temperature, and then soaking in the treatment liquid A; (2) drying and sticking the soaked pistachio nut shells into a dried flower product; (3) and (3) carrying out spray fumigation on the dried flower product by using the treatment liquid B under a protective atmosphere. The component A of the treating fluid comprises: citric acid, L-cysteine, cobalt chloride, strontium hydroxide, sodium sulfate and deionized water; the treatment liquid B is prepared by adding disodium stannous citrate, sodium isoascorbate and glycerol into water. The nursing liquid used in the invention does not contain toxic and harmful substances, the preparation process is high in controllability, environment-friendly and pollution-free, the industrial batch production requirement can be met, and the prepared environment-friendly pistachio nut shell dried flower is high in whiteness, natural in color and rich in aesthetic feeling.
Description
Technical Field
The invention relates to the technical field of dried flower preparation, in particular to a method for preparing environment-friendly dried flowers by using pistachio nut shells.
Background
Today, people no longer pay attention to only basic living needs but have higher pursuits on finding beauty, enjoying beauty and pursuing beauty.
The dried flower is also called dry flower, is a new type of ornament which is newly developed in recent years, and is a plant product with high ornamental value which is prepared by drying, color retention, shaping and other treatments of fresh plant materials. The dried flower has the advantages of attractive appearance, long storage time and convenient use, is widely loved by people, and is often used in occasions such as etiquette round, celebration scene arrangement, home decoration and the like. The dried flowers are decorated to beautify life, improve life quality and bring people vision feast, and become a fashion pursuit of modern life gradually.
At present, when dried flowers are manufactured, fresh flowers are mostly used as raw materials, the dried flowers are manufactured after being dried and dehydrated through natural drying or other modes, shell type dried flower products are relatively lacked, and the common type is pistachio shell dried flowers. Although pistachio nut shells have better aesthetic appearance than other nut shells, the problems of dull color and heavy feeling still exist, so that the color and the aesthetic appearance of dried pistachio nut flowers are poorer. In the prior art, when the problems of color and luster and dry feeling of pistachio nuts are improved, the common treatment mode with better effect is paint spraying treatment or hydrogen peroxide bleaching, but the treatment mode is not environment-friendly, and industrial hydrogen peroxide also contains toxic and harmful substances such as arsenic element and the like, so that the batch production has great influence on the environment. How to prepare the environment-friendly pistachio nut shell dried flower on the basis of ensuring high color and luster degree and high aesthetic feeling is a technical problem which is difficult to overcome in the field of dried flower preparation.
Disclosure of Invention
The invention aims to provide a method for preparing environment-friendly dried flowers by using pistachio nut shells, which aims to solve the problems in the prior art, so that the pistachio nut shell dried flowers are high in whiteness, natural in color and luster, not frizzy and high in aesthetic feeling.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a method for making dried flowers by using pistachio nut shells, which comprises the following steps:
(1) drying the pistachio nut shells at 65-85 ℃, cooling to room temperature, and then soaking in the treatment liquid A;
(2) drying and sticking the soaked pistachio nut shells into a dried flower product;
(3) carrying out spray fumigation on the dried flower product by using the treatment liquid B under a protective atmosphere to obtain a pistachio nut shell dried flower product;
the treating fluid A comprises the following raw materials in parts by weight: 0.8-1.0 part of citric acid, 2.2-2.4 parts of L-cysteine, 0.14-0.16 part of cobalt chloride, 0.02-0.04 part of strontium hydroxide, 0.3-0.4 part of sodium sulfate and 90-100 parts of deionized water;
the treating fluid B is prepared by adding 1 to 1.2 weight percent of disodium stannous citrate, 0.10 to 0.50 weight percent of sodium isoascorbate and 10 to 35 weight percent of glycerin into water and uniformly mixing.
Further, the drying time in the step (1) is 10-20 min.
Further, after drying in the step (1), cooling to room temperature within 10-15 seconds.
Further, the soaking time in the step (1) is 10-25 min.
Further, the protective atmosphere is a nitrogen or argon atmosphere.
Further, the flow of the spray fumigation is 2-3 mL/min.
Furthermore, the mass ratio of the treating liquid B to the pistachio nut shells dried in the step (2) during spraying fumigation is (5-8): 100.
Further, after the spray fumigation is finished, the method also comprises the step of standing for 0.5 to 1 hour in protective gas.
The invention discloses the following technical effects:
according to the invention, when the pistachio nut shell dried flowers are prepared, the specific care solution A and the specific care solution B are adopted, the used care solutions do not contain toxic and harmful substances, the preparation process is high in controllability, environment-friendly and pollution-free, and the industrial batch production requirements can be met.
The environment-friendly pistachio nut shell dried flower prepared by the method is high in whiteness, natural in color and rich in aesthetic feeling.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, for numerical ranges in this disclosure, it is understood that each intervening value, between the upper and lower limit of that range, is also specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated by reference herein for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The description and examples are intended to be illustrative only.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
The "parts" in the present invention are all parts by mass unless otherwise specified.
Example 1
A method for preparing environment-friendly dried flowers by using pistachio nut shells comprises the following steps:
(1) selecting a pistachio nut shell with a complete shell, and cleaning the pistachio nut shell with deionized water;
(2) drying the washed pistachio nut shells at 65 ℃ for 10min, cooling to room temperature (25 ℃) within 10 seconds, and soaking the pistachio nut shells in the treatment liquid A for 25 min;
(3) taking out the pistachio nut shells after soaking, and drying the pistachio nut shells by nitrogen;
(4) sticking the pistachio nut shells treated in the step (3) into a dried flower product;
(5) and (3) carrying out spray fumigation on the dried flower product by using the treatment liquid B in the nitrogen atmosphere, controlling the flow rate of the treatment liquid B in the fumigation to be 2mL/min, controlling the mass ratio of the treatment liquid B to the pistachio nut shells dried in the step (3) to be 8:100, and standing in nitrogen for 0.5h after the spray is finished.
The treating fluid A comprises the following raw materials in parts by weight: 0.8 part of citric acid, 2.2 parts of L-cysteine, 0.14 part of cobalt chloride, 0.02 part of strontium hydroxide, 0.3 part of sodium sulfate and 90 parts of deionized water;
the treating fluid B is prepared by adding 1 wt% of disodium stannous citrate, 0.10 wt% of sodium isoascorbate and 10 wt% of glycerol into water and mixing uniformly.
Example 2
A method for preparing environment-friendly dried flowers by using pistachio nut shells comprises the following steps:
(1) selecting a pistachio nut shell with a complete shell, and cleaning the pistachio nut shell with deionized water;
(2) drying the washed pistachio nut shells at 85 ℃ for 20min, cooling to room temperature (25 ℃) within 15 seconds, and soaking the pistachio nut shells in the treatment liquid A for 10 min;
(3) taking out the pistachio nut shells after soaking, and drying the pistachio nut shells by nitrogen;
(4) sticking the pistachio nut shells treated in the step (3) into a dried flower product;
(5) and (3) carrying out spray fumigation on the dried flower product by using the treatment liquid B in a nitrogen atmosphere, controlling the flow rate of the treatment liquid B at 3mL/min during fumigation, controlling the mass ratio of the treatment liquid B to the pistachio nut shells dried in the step (3) to be 5:100, and standing in nitrogen for 1h after spraying is finished.
The treating fluid A comprises the following raw materials in parts by weight: 1.0 part of citric acid, 2.4 parts of L-cysteine, 0.16 part of cobalt chloride, 0.04 part of strontium hydroxide, 0.4 part of sodium sulfate and 100 parts of deionized water;
the treating fluid B is prepared by adding 1.2 wt% of disodium stannous citrate, 0.50 wt% of sodium isoascorbate and 35 wt% of glycerol into water and mixing uniformly.
Example 3
A method for preparing environment-friendly dried flowers by using pistachio nut shells comprises the following steps:
(1) selecting a pistachio nut shell with a complete shell, and cleaning the pistachio nut shell with deionized water;
(2) drying the washed pistachio nut shells at 75 ℃ for 15min, cooling to room temperature (25 ℃) within 12 seconds, and soaking the pistachio nut shells in the treatment liquid A for 15 min;
(3) taking out the pistachio nut shells after soaking, and drying the pistachio nut shells by nitrogen;
(4) sticking the pistachio nut shells treated in the step (3) into a dried flower product;
(5) and (3) carrying out spray fumigation on the dried flower product by using the treatment liquid B under the argon atmosphere, controlling the flow rate of the treatment liquid B to be 2mL/min during fumigation, controlling the mass ratio of the treatment liquid B to the pistachio nut shells dried in the step (3) to be 6:100, and standing in argon for 0.6h after spraying is finished.
The treating fluid A comprises the following raw materials in parts by weight: 0.9 part of citric acid, 2.3 parts of L-cysteine, 0.15 part of cobalt chloride, 0.03 part of strontium hydroxide, 0.3 part of sodium sulfate and 95 parts of deionized water;
the treating fluid B is prepared by adding 1.1 wt% of disodium stannous citrate, 0.4 wt% of sodium isoascorbate and 15 wt% of glycerin into water and mixing uniformly.
Example 4
A method for preparing environment-friendly dried flowers by using pistachio nut shells comprises the following steps:
(1) selecting a pistachio nut shell with a complete shell, and cleaning the pistachio nut shell with deionized water;
(2) drying the washed pistachio nut shells at 70 ℃ for 18min, cooling to room temperature (25 ℃) within 13 seconds, and soaking the pistachio nut shells in the treatment liquid A for 20 min;
(3) taking out the pistachio nut shells after soaking, and drying the pistachio nut shells by nitrogen;
(4) sticking the pistachio nut shells treated in the step (3) into a dried flower product;
(5) and (3) carrying out spray fumigation on the dried flower product by using the treatment liquid B under the argon atmosphere, controlling the flow rate of the treatment liquid B at 3mL/min during fumigation, controlling the mass ratio of the treatment liquid B to the pistachio nut shells dried in the step (3) to be 7:100, and standing in argon for 0.7h after spraying is finished.
The treating fluid A comprises the following raw materials in parts by weight: 1.0 part of citric acid, 2.2 parts of L-cysteine, 0.14 part of cobalt chloride, 0.02 part of strontium hydroxide, 0.4 part of sodium sulfate and 100 parts of deionized water;
the treating fluid B is prepared by adding 1 wt% of disodium stannous citrate, 0.1 wt% of sodium isoascorbate and 20 wt% of glycerin into water and mixing uniformly.
Control group 1
Cleaning the pistachio nut shells, and soaking the pistachio nut shells for 10min by using 10 wt% of hydrogen peroxide water; drying, and preparing the pistachio nut shell into a dried flower product.
Control group 2
Cleaning pistachio nut shells, and soaking the pistachio nut shells for 10min by using 0.5 wt% of sodium sulfite aqueous solution; drying, and preparing the pistachio nut shell into a dried flower product.
The whiteness and sensory results of the dried pistachio nut products of examples 1-4 and control 1-2 are shown in Table 1, and the whiteness values were measured using a paper whiteness meter.
TABLE 1
| Example 1 | Example 2 | Example 3 | Example 4 | Control group 1 | Control group 2 | |
| Whiteness degree | 82％ | 81％ | 82％ | 82％ | 75％ | 45％ |
| Sense organ | Milky white color | Milky white color | Milky white color | Milky white color | Light grey and white | Yellow-gray |
As can be seen from table 1, the dried flower products of pistachio nuts prepared in examples 1 to 4 of the present application are superior to the hydrogen peroxide-treated dried flower product of control 1 and significantly superior to the sodium sulfite-treated dried flower product of control 2 in terms of whiteness and sensory effect, probably because the surface layer of the pistachio nut shells contains cellulose, hemicellulose, lignin, quinone conjugate pigments and the like, and the irreversible addition reaction of sulfurous acid with carbonyl unsaturated compounds in the surface layer of the pistachio nut shells occurs, so that the conjugation effect of the unsaturated system is enhanced, and the absorption spectrum of the compound shifts to the long-wave direction to show yellow.
The dried pistachio nut flower products of examples 1-4 and control groups 1-2 were scored, 10 specially trained sensory evaluators were selected and scored according to the scoring criteria of table 2, and the average score results are shown in table 3.
TABLE 2
TABLE 3
| Example 1 | Example 2 | Example 3 | Example 4 | Control group 1 | Control group 2 | |
| Score of | 98 | 98 | 97 | 98 | 81 | 48 |
The preparation process is high in controllability, environment-friendly and pollution-free, and the adopted care solution does not contain toxic and harmful substances, so that the industrial production requirement can be met; the prepared environment-friendly pistachio nut shell dried flower has high whiteness, natural color and luster and good aesthetic feeling.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. A method for making dried flowers by using pistachio nut shells is characterized by comprising the following steps:
(1) drying the pistachio nut shells at 65-85 ℃, cooling to room temperature, and then soaking in the treatment liquid A;
(2) drying and sticking the soaked pistachio nut shells into a dried flower product;
(3) carrying out spray fumigation on the dried flower product by using the treatment liquid B under a protective atmosphere to obtain a pistachio nut shell dried flower product;
the treating fluid A comprises the following raw materials in parts by weight: 0.8-1.0 part of citric acid, 2.2-2.4 parts of L-cysteine, 0.14-0.16 part of cobalt chloride, 0.02-0.04 part of strontium hydroxide, 0.3-0.4 part of sodium sulfate and 90-100 parts of deionized water;
the treating fluid B is prepared by adding 1 to 1.2 weight percent of disodium stannous citrate, 0.10 to 0.50 weight percent of sodium isoascorbate and 10 to 35 weight percent of glycerin into water and uniformly mixing.
2. The method for making dried flowers from pistachio nut shells according to claim 1, wherein the drying time in step (1) is 10-20 min.
3. The method of claim 1, wherein the dried flower is cooled to room temperature within 10-15 seconds after the drying step (1).
4. The method of claim 1, wherein the soaking time in step (1) is 10-25 min.
5. A method of making dried flowers from pistachio nut shells according to claim 1, wherein the protective atmosphere is a nitrogen or argon atmosphere.
6. The method of claim 1, wherein the flow rate of the spray fumigation is 2-3 mL/min.
7. The method for making dried flowers by using pistachio nut shells according to claim 1, wherein the mass ratio of the treatment liquid B in the spraying fumigation to the pistachio nut shells dried in the step (2) is (5-8): 100.
8. The method of claim 1, further comprising the step of standing in a protective atmosphere for 0.5 to 1 hour after the spraying step.
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2021
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