CN105707375A - Drying method of flower materials in peony flower tea preparation technology - Google Patents
Drying method of flower materials in peony flower tea preparation technology Download PDFInfo
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- CN105707375A CN105707375A CN201610141146.7A CN201610141146A CN105707375A CN 105707375 A CN105707375 A CN 105707375A CN 201610141146 A CN201610141146 A CN 201610141146A CN 105707375 A CN105707375 A CN 105707375A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/34—Tea substitutes, e.g. matè; Extracts or infusions thereof
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Abstract
The invention discloses a drying method of flower materials in a peony flower tea preparation technology. The drying method includes the following steps that fresh peony flowers are picked; outermost petals of the peony flowers are stripped off, dirt is removed, and the integrity of petals is kept; the treated peony flowers are put into a cryogenic refrigerator in the optimum form to be pre-cooled; the pre-cooled peony flowers are rapidly put into a vacuum freezing dryer, the freezing temperature, the vacuum degree of a drying chamber, the temperature of a heating plate and the thickness of the material are set, and freezing drying is carried out; the dried peony flowers are stored in a sealed shady place. The dried peony flowers obtained through the drying method hardly shrink, the original color and flavor are kept basically, and the dried peony flowers have the advantages of being high in phenolic substance content and high in oxidation resistance, can serve as a high-quality raw material of peony flower tea and also have high ornamental value. According to the drying method, on the basis of vacuum freezing drying, the drying time is short, the process is simple, no contamination is caused, the product is good in sensory quality, high in nutrient retention rate and good in rehydration property, and the defects of high time consumption and labor consumption, low efficiency and the like of a traditional drying method are overcome.
Description
Technical field
The invention belongs to scented tea raw material preparation field, particularly relate to the dry-making method of dried of flower material in a kind of peony flower tea preparation technology.
Background technology
Paeonia suffruticosa is Paeoniaceae (Paeoniaceae) Paeonia (Paeonia) machaka, and Paeonia suffruticosa pattern is gorgeous, elegant and poised, have the title of " king in spending; aromatic ", signify rich and honour lucky, always treasured by common people, be the Chinese important ornamental flower originated in.Flos Moutan is except having important ornamental value, possibly together with the aminoacid of needed by human, mineral, vitamin etc., it is possible to as meals, scented tea, extraction quintessence oil.Within 2013, Heze Paeonia ostii Paeonia suffruticosa perianth health ministry is approved as food new raw material.
Scented tea refers mainly to the tea beyond Folium Camelliae sinensis, although this kind of tea is not made with Folium Camelliae sinensis, but when tea-drinking use, such as chrysanthemum scented tea, rose tea, Flos Lonicerae tea, lotus tea, Cortex Eucommiae scented tea etc..Along with the raising of social development and scientific level, flowers have become a new generation's natural health care resource.Peony flower tea with a long history, has Ming Xue Fengxiang " Haozhou Paeonia suffruticosa history " and records, and people from Haozhou cuts Paeonia suffruticosa bud spring, after falling bitter taste with spring water bubble, shines dry cook tea, and delicate fragrance is special, and fragrance is permanent.Now according to the chemical assay to peony petal and pollen of the units such as the Chinese Academy of Sciences it is shown that containing multiple beneficial in the nutrient substance of human body in the petal of Paeonia suffruticosa and pollen, such as 13 seed amino acids wherein contained, 8 kinds required for human body, and rich content；Also have multiple enzyme, the trace element of 7 kinds of macroelements and 5 kinds of needed by human body.Therefore, peony flower tea has great potentiality to be exploited in functional scented tea beverage Industry develops.
The processing and fabricating of peony flower tea needs first to be joined in the operation that Folium Camelliae sinensis makes after drying technics processes by fresh peony flower, and the selection of drying technics is most important, directly influences the quality of peony flower tea finished product.Common drying technics has hot air drying, naturally dry or dry in the shade, contact drying, infrared ray, far infrared are drying and Microwave Drying etc., but all there is drawback in these dry-making method of dried.Hot air drying is the most frequently used a kind of dry-making method of dried, mainly with hot-air for drying medium, natural or forcibly convection type and food carry out damp and hot exchange, the moisture on material surface is vaporized immediately, and by the air film on surface to air-flow main diffusion.Hot air drying, owing to there is oxygen in drying medium, so being susceptible to enzymatic browning and oxidation in drying process, causes the mass change of product.Oxidation reaction can promote the formation of some flavor substances, functional mass, but will also result in the loss of the nutrient substance such as vitamin.Naturally drying including dries and dries in the shade, compared with other dry-making method of dried, by environmental influence.The Flos Moutan color and luster that dries is dim, the shrinkage time obvious, drying is longer, content of molds greatly, easily mouldy, infested, fragmentation etc..Contact drying referring to and be in the drying of direct contact condition by drying material and heating surface, be one of traditional Tea Processing process, be also the drying technics of Paeonia suffruticosa petal tea.Due to reasons such as peony petal are relatively thin, fiber content is relatively low, imitate in Green tea processing technology production peony petal tea process in part and the quality that local heating is too high and affects peony petal tea easily occurs.
In this context, introduce the drying peony petal of Vacuum Freezing & Drying Technology, for keeping original color and luster of petal, preserve the active component in petal, improve peony flower tea end product quality significant, be the urgent needs in the direction of technical development and market.
Summary of the invention
It is an object of the invention to provide the dry-making method of dried of flower material in a kind of peony flower tea preparation technology, based on Vacuum Freezing & Drying Technology, Vacuum Freezing & Drying Technology (abbreviation freeze drying technology) is the drying dehydration technique that vacuum technique combines with Refrigeration Technique.This technology adopts the heat and mass transfer mechanism under low-temp low-pressure, to be freezed in lower than the low temperature environment under material eutectic temperature by drying material, then it is placed in high vacuum environment, makes the moisture in material directly distil as gas with ice crystal state, thus the moisture in material is removed.The drying time is short, and flow process is simple, pollution-free, drying go out sensible quality is good, nutrition retains high, to have good rehydration Paeonia suffruticosa dry flower, the feature that this Paeonia suffruticosa dry flower has aldehydes matter content height simultaneously, oxidation resistance is strong.
To achieve these goals, present invention employs following technical scheme:
In a kind of peony flower tea preparation technology, the dry-making method of dried of flower material, comprises the steps:
A. the harvesting of fresh peony flower: pluck fresh Flos Moutan, according to dissimilar scented tea requirement, alabastrum can be plucked, just open the single-lobe type of phase, crown-shaped, silk ball-shaped, platform pavilion type, holder osmanthus type, gold are ring-like, Jin Ruixing, chrysanthemum type, lotus type, Flos Rosae Multiflorae type Flos Moutan, be advisable with little Hua；
B. pre-treatment: quickly peel off Flos Moutan outermost layer petal, removes dirt；If preparing petal tea, carefully peeling petal with tweezers, keeping the integrity of petal；If preparing alabastrum or whole flower tea, then only need to remove dirt；
C. low temperature pre-cooling: the Flos Moutan handled well is put into refrigerator pre-cooling with best monolithic form, should not extrude, stack；
D. vacuum lyophilization: quickly put in vacuum freeze drier by the Flos Moutan after pre-cooling, sets the cold rank temperature of-40 DEG C～-70 DEG C, the hothouse vacuum of 0.08～0.1MPa；The temperature of heating plate of 15 DEG C～30 DEG C, 5mm～15mm material thickness, dry 24h～96h；
E. deposit: by dried Flos Moutan with sealing light resistant container subpackage.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
As preferably, in aforesaid a kind of peony flower tea preparation technology based on Vacuum Freezing & Drying Technology in the dry-making method of dried step a of flower material, described Flos Moutan is the Flos Moutan plucking April～May, and the color and luster of described harvesting Flos Moutan includes pink colour system Flos Moutan, red colour system Flos Moutan and white color system Flos Moutan.
As preferably, aforesaid a kind of peony flower tea preparation technology based on Vacuum Freezing & Drying Technology spending in the dry-making method of dried step b of material, described pre-treatment, peelling off and to wear glove in petal process, use tweezers handled, all processes wants fast, if whole flower dries, retain 2～4cm stem stalk.
As preferably, aforesaid a kind of peony flower tea preparation technology based on Vacuum Freezing & Drying Technology spending in the dry-making method of dried step c of material, described low temperature pre-cooling, the Flos Moutan handled well is put into-40 DEG C～-80 DEG C refrigerator pre-cooling 12h～24h
As preferably, aforesaid a kind of peony flower tea preparation technology based on Vacuum Freezing & Drying Technology spending in the dry-making method of dried step e of material, described hermetic container subpackage, pours nitrogen to extend the shelf life.
Dry petal is pulverized and sieved, take dry powder acidified methanol and extract its aldehydes matter, Forint phenol method measures its total phenol content and is not less than 3425.62GAEmg/100g, general flavone content is not less than 440.15REmg/100g, DPPH free radical scavenging power is not less than 59.41%, and ABTS+ Scavenging activity is not less than 41.97%.
By technique scheme, the present invention at least has following advantages and beneficial effect.
The present invention utilizes the drying Flos Moutan material of Vacuum Freezing & Drying Technology, and vacuum lyophilization is on vacuum drying basis, freezes the moisture in material in advance, and by free state in material, water congeals into ice, prepares for drying stage.Owing to material is in frozen state, after lyophilizing the form of material can keep with dry before essentially identical, it is possible to when preventing evacuation dry, material bubbles, concentration, shrinks and solute the irreversible change such as moves and occurs.It is made directly to distil without liquefaction as water vapour, to reach the purpose dried, dissolving material in water can precipitate out with moisture when distillation, when thus avoiding internal batch moisture to surface migration, causes Surface hardened layer phenomenon because entrained inorganic salt is likely to precipitate out on surface.
Present invention reduces drying time, substantially increase product quality, the few shrinkage of the drying Flos Moutan of gained, without bubbling, substantially keep primary colors, the processing of scented tea raw material can be further used as, be also the Paeonia suffruticosa immortality flower raw material of high-quality simultaneously, there is significantly high ornamental value, it is achieved that the comprehensive utilization of Flos Moutan.
Accompanying drawing explanation
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, and in order to the above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Fig. 1 is the dry-making method of dried flow chart spending material in one embodiment of the invention in peony flower tea preparation technology.
Detailed description of the invention
In order to better understand the technological means of the present invention, and can be practiced according to the content of description, and in order to the above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
As it is shown in figure 1, the dry-making method of dried of flower material in a kind of peony flower tea preparation technology, comprise the following steps:
A. the harvesting of fresh peony flower: pluck the Flos Moutan in fresh April～May, according to dissimilar scented tea requirement, pluck alabastrum, just open the single-lobe type of phase pink colour system, red colour system and white color system, crown-shaped, silk ball-shaped, platform pavilion type, holder osmanthus type, gold are ring-like, Jin Ruixing, chrysanthemum type, lotus type, Flos Rosae Multiflorae type Flos Moutan, be advisable with little Hua.
Described Flos Moutan is to start, April, the Flos Moutan plucked, and different according to the florescence, plucking time adjusts to some extent, for instance " pale rose colour ingeniously to ", at the beginning of 4 months, " sea is yellow " is at 4 the end of month.According to dissimilar scented tea requirement, during harvesting, there are following 2 recommendations:
1. according to pattern: technique scented tea, not requiring nothing more than and can taste, more requirement can be appreciated, and its whole bubble drink process all incorporates the enjoyment of a kind of U.S..In bubble drink process, the color and luster of flower is most important.In plum after pink colour system Flos Moutan is drying, taking on a red color after immersion, red kind and peach kind are suitable for processing petal tea, and acceptable degree is high.White color system is spent drying rear in yellow-white, and similar with Flos Chrysanthemi, its soak is oyster, transparent color and luster, and acceptable degree is the highest.If white color system peony flower tea band pollen, it soaks excellent, better effects if after being combined with green tea.Candida species is both suitable for processing petal tea, is also suitable for processing scented tea.
2. according to flower pattern: common technique scented tea is tea shoot element embryo and flower combines, and each kind of technique scented tea, expressed thought artistic conception is different, and the shape of required flower, size are all different.It addition, the tea shoot element embryo limited length of technique scented tea, the granular size of the technique scented tea of packing is also limited, therefore, can with little Hua express just without Flos Caryophylli, can with the flower just need not bloomed of alabastrum, can with Dan Duohua transmit emotion just as far as possible need not multiple flower.Single-lobe type Flos Moutan pollen amount is high, and petal is less, and ovary is relatively large, and after processing technique processes, drying flower ovary easily highlights, and after immersion, flower can be fully deployed, and appreciation effect is better.Crown-shaped, silk ball-shaped, platform pavilion type are due to stamen generation lobe, and Flos Moutan petal is less, more broken, and pollen amount is little, therefore not easily moulding after processing technique processes, but after soaking, whole structure is better.Holder osmanthus type, gold stamen type Flos Moutan petal edge ring-like, golden are big, middle little, pollen is less, with chrysanthemum type, lotus type, Flos Rosae Multiflorae type petal size be all appropriate to the processing of peony flower tea, after drying through processing, its flower pattern is spherical in shape or be readily processible to the shape of specific setting, whole structure is better, and after immersion, appreciation effect is splendid.
B. pre-treatment: quickly peel off Flos Moutan outermost layer petal, peels off and to wear glove in petal process, removes dirt；
If preparing petal tea, carefully peeling petal with tweezers, all processes wants fast, if whole flower dries, keeps the integrity of petal, retains 2～4cm stem stalk；If preparing alabastrum or whole flower tea, then only need to remove dirt.
C. low temperature pre-cooling: the Flos Moutan handled well is put into-40 DEG C～-80 DEG C refrigerators with the form of monolithic and carries out pre-cooling 12h～24h, should not extrude, stack.
D. vacuum lyophilization: quickly put in vacuum freeze drier by the Flos Moutan after pre-cooling, cold rank temperature is set in-40 DEG C～-70 DEG C, and hothouse vacuum is 0.08～0.1MPa,Temperature of heating plate is 15 DEG C～30 DEG C, and situation should be divided drying time to determine, if petal, 24h～36h；If whole flower, then 36h～96h.The material thickness of petal is 5mm～15mm, and the material thickness of whole flower is depending on colored size.
E. deposit: by dried Flos Moutan with sealing light resistant container subpackage, pour nitrogen if desired to extend the shelf life.
Below by specific embodiment, the present invention is described in further details.
Embodiment 1
" pale rose colour ingeniously to " (Flos Rosae Multiflorae type, the pink colour) of opening the phase at the beginning of the Paeonia suffruticosa gathered April quickly peels off Flos Moutan outermost layer petal, removes dirt.Carefully peel petal with tweezers, keep the integrity of petal.The peony petal handled well is put into-80 DEG C of refrigerator pre-cooling 12h with best form, do not extrude, stack.Flos Moutan after pre-cooling is quickly put in vacuum freeze drier, sets the cold rank temperature of-70 DEG C, the hothouse vacuum of 0.1MPa, the temperature of heating plate of 15 DEG C, 10mm material thickness, dry 36h (petal).Being pulverized and sieved by dry petal, take 2g dry powder acidified methanol and extract its aldehydes matter, it is 4753.95GAEmg/100g, NaNO that forint Xiao's block-regulations measures its total phenol content2-AlCl3It is 674.00REmg/100g, DPPH free radical scavenging power 68.05% that method measures general flavone content, ABTS+ Scavenging activity 56.50%.
Embodiment 2
Opening the phase " big palm fibre is purple " (Flos Rosae Multiflorae type, peony) at the beginning of the Paeonia suffruticosa gathered April and quickly peel off Flos Moutan outermost layer petal, remove dirt, retain the stem stalk of 3cm, whole flower dries.The Flos Moutan handled well is put into-60 DEG C of refrigerator pre-cooling 24h with best form, do not extrude, stack.Flos Moutan after pre-cooling is quickly put in vacuum freeze drier, sets the cold rank temperature of-60 DEG C, the hothouse vacuum of 0.08MPa, the temperature of heating plate of 25 DEG C, 15mm material thickness, dry 96h (whole flower).Being pulverized and sieved by dry whole flower, take 2g dry powder acidified methanol and extract its aldehydes matter, it is 4442.55GAEmg/100g, NaNO that forint Xiao's block-regulations measures its total phenol content2-AlCl3Method measures general flavone content 966.06REmg/100g, DPPH free radical scavenging power 59.41%, ABTS+ Scavenging activity 41.97%.
Embodiment 3
Is opened the phase at the beginning of the Paeonia suffruticosa that April is gathered " scape is beautiful " (crown-shaped, white) and quickly peels off Flos Moutan outermost layer petal, remove dirt.Carefully peel petal with tweezers, keep the integrity of petal.The peony petal handled well is put into-40 DEG C of refrigerator pre-cooling 24h with best form, do not extrude, stack.Flos Moutan after pre-cooling is quickly put in vacuum freeze drier, sets the cold rank temperature of-60 DEG C, the hothouse vacuum of 0.09MPa, the temperature of heating plate of 16 DEG C, 9mm material thickness, dry 48h (petal).Being pulverized and sieved by dry petal, take 2g dry powder acidified methanol and extract its aldehydes matter, it is 3425.62GAEmg/100g, NaNO that forint Xiao's block-regulations measures its total phenol content2-AlCl3It is 440.15REmg/100g, DPPH free radical scavenging power 64.87% that method measures general flavone content, ABTS+ Scavenging activity 50.93%.
Embodiment 4
" sea yellow " of the Paeonia suffruticosa bud stage gathered April (lotus type, faint yellow) quickly peels off Flos Moutan outermost layer petal, removes dirt.Carefully peel petal with tweezers, keep the integrity of petal.The peony petal handled well is put into-70 DEG C of refrigerator pre-cooling 20h with best form, do not extrude, stack.Flos Moutan after pre-cooling is quickly put in vacuum freeze drier, sets the cold rank temperature of-60 DEG C, the hothouse vacuum of 0.1MPa, the temperature of heating plate of 20 DEG C, 8mm material thickness, dry 48h (petal).Being pulverized and sieved by dry petal, take 2g dry powder acidified methanol and extract its aldehydes matter, it is 4918.00GAEmg/100g, NaNO that forint Xiao's block-regulations measures its total phenol content2-AlCl3It is 1421.96REmg/100g, DPPH free radical scavenging power 71.12% that method measures general flavone content, ABTS+ Scavenging activity 56.10%.
It should be noted that, in various embodiments above, the vacuum freeze-drying method of the Flos Moutan of the present invention is not limited to that, other Conventional procedures or method that some steps or operational approach can be learnt by those skilled in the art are replaced to realize the present invention, step d such as, can carry out alternating temperature dry technology, according to the Changing Pattern of moisture in flower material, under different time, select different cold rank temperature, farthest shorten drying time, improve production capacity.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when method and the technology contents of available the disclosure above make a little Equivalent embodiments changing or being modified to equivalent variations, in every case it is the content without departing from technical solution of the present invention, according to any simple modification that above example is made by the technical spirit of the present invention, equivalent variations and modification, all still fall within technical solution of the present invention.
Claims (6)
1. the dry-making method of dried of flower material in a peony flower tea preparation technology, it is characterised in that comprise the following steps:
A. the harvesting of fresh peony flower: pluck fresh Flos Moutan, according to dissimilar scented tea requirement, pluck alabastrum, just open the single-lobe type of phase, crown-shaped, silk ball-shaped, platform pavilion type, holder osmanthus type, gold are ring-like, Jin Ruixing, chrysanthemum type, lotus type, Flos Rosae Multiflorae type Flos Moutan, be advisable with little Hua；
B. pre-treatment: quickly peel off Flos Moutan outermost layer petal, removes dirt；
If preparing petal tea, carefully peeling petal with tweezers, keeping the integrity of petal；If preparing alabastrum or whole flower tea, then only need to remove dirt；
C. low temperature pre-cooling: the Flos Moutan handled well is put into refrigerator with the form of monolithic and carries out pre-cooling, should not extrude, stack；
D. vacuum lyophilization: quickly put in vacuum freeze drier by the Flos Moutan after pre-cooling, sets the cold rank temperature of-40 DEG C～-70 DEG C, the hothouse vacuum of 0.08～0.1MPa；The temperature of heating plate of 15 DEG C～30 DEG C, 5mm～15mm material thickness, dry 24h～96h；
E. deposit: by dried Flos Moutan with sealing light resistant container subpackage.
2. method according to claim 1, it is characterised in that in step a, described Flos Moutan is the Flos Moutan plucking April～May, and the color and luster of described harvesting Flos Moutan includes pink colour system Flos Moutan, red colour system Flos Moutan and white color system Flos Moutan.
3. method according to claim 1, it is characterised in that in step b, described pre-treatment, to peel off and petal process to be worn glove, use tweezers handled, all processes wants fast, if whole flower dries, retains 2～4cm stem stalk.
4. method according to claim 1, it is characterised in that in step c, described low temperature pre-cooling, the Flos Moutan handled well is put into-40 DEG C～-80 DEG C refrigerator pre-cooling 12h～24h.
5. method according to claim 1, it is characterised in that in step e, described hermetic container subpackage, pours nitrogen to extend the shelf life.
6. method according to claim 1, it is characterised in that pulverized and sieved by dry petal, takes dry powder acidified methanol and extracts its aldehydes matter, and forint Xiao's block-regulations measures its total phenol content and is not less than 3425.62GAEmg/100g, NaNO2-AlCl3Method mensuration general flavone content is not less than 440.15REmg/100g, DPPH free radical scavenging power and is not less than 59.41%, and ABTS+ Scavenging activity is not less than 41.97%.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106579386A (en) * | 2016-12-16 | 2017-04-26 | 江南大学 | Industrial peony drying method |
| CN106962535A (en) * | 2017-03-15 | 2017-07-21 | 内蒙古大学 | A kind of Radix Astragali jasmine tea and preparation method thereof |
| CN107683930A (en) * | 2017-09-15 | 2018-02-13 | 仲恺农业工程学院 | A kind of frozen drying technique of ginger and its ginger jasmine tea of preparation |
| CN109043027A (en) * | 2018-07-09 | 2018-12-21 | 石阡县龙塘镇大山村鑫源茶叶专业合作社 | A kind of processing method of peony flower tea |
| CN109645188A (en) * | 2019-01-28 | 2019-04-19 | 洛阳市中心苗圃 | A kind of production method of tree peony bud tea |
| CN110050995A (en) * | 2019-05-27 | 2019-07-26 | 西北农林科技大学 | A kind of peony petal electuary and preparation method thereof |
| CN114794280A (en) * | 2022-05-13 | 2022-07-29 | 甘肃医学院 | Paeonia rockii whole-flower combined tea and processing method thereof |
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| CN101044879A (en) * | 2007-04-29 | 2007-10-03 | 叶建国 | Method for producing tea of loquat flower petals |
| CN103960720A (en) * | 2014-04-09 | 2014-08-06 | 洛阳春魁农业开发有限公司 | Preparation method for fruit-vegetable lactic acid fermented beverage containing peony extracts |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106579386A (en) * | 2016-12-16 | 2017-04-26 | 江南大学 | Industrial peony drying method |
| CN106962535A (en) * | 2017-03-15 | 2017-07-21 | 内蒙古大学 | A kind of Radix Astragali jasmine tea and preparation method thereof |
| CN107683930A (en) * | 2017-09-15 | 2018-02-13 | 仲恺农业工程学院 | A kind of frozen drying technique of ginger and its ginger jasmine tea of preparation |
| CN109043027A (en) * | 2018-07-09 | 2018-12-21 | 石阡县龙塘镇大山村鑫源茶叶专业合作社 | A kind of processing method of peony flower tea |
| CN109645188A (en) * | 2019-01-28 | 2019-04-19 | 洛阳市中心苗圃 | A kind of production method of tree peony bud tea |
| CN110050995A (en) * | 2019-05-27 | 2019-07-26 | 西北农林科技大学 | A kind of peony petal electuary and preparation method thereof |
| CN114794280A (en) * | 2022-05-13 | 2022-07-29 | 甘肃医学院 | Paeonia rockii whole-flower combined tea and processing method thereof |
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