CN107105736A - The method for preparing Cordyceps - Google Patents

The method for preparing Cordyceps Download PDF

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CN107105736A
CN107105736A CN201580071335.5A CN201580071335A CN107105736A CN 107105736 A CN107105736 A CN 107105736A CN 201580071335 A CN201580071335 A CN 201580071335A CN 107105736 A CN107105736 A CN 107105736A
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cordyceps
minutes
cordyceps sinensis
temperature
bleaching
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R·连慧萍
廖勇诚
王龙飞
顾晓璐
李春玲
C·哈特曼
杜进睿
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Societe des Produits Nestle SA
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    • AHUMAN NECESSITIES
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K36/06Fungi, e.g. yeasts
    • A61K36/062Ascomycota
    • A61K36/066Clavicipitaceae
    • A61K36/068Cordyceps
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    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine

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Abstract

The invention discloses the method for preparing the Cordyceps comprising high concentration adenosine.The extract includes 100mg 220mg adenosines/100g.The extract can be used for preparing the alimentation composition for treating or preventing fatigue, angiocardiopathy or inflammation or improving immunity.

Description

The method for preparing Cordyceps
Technical field
The present invention relates to the method for preparing Cordyceps.More particularly, it relates to be included for preparation The method of the Cordyceps of high concentration adenosine.
Background technology
Any discussion of prior art is not construed as recognizing that this prior art is widely known absolutely in this specification Or constitute a part for general knowledge known in this field.
Cordyceps sinensis (Cordyceps) is the main sac fungus fungi grown with insect and other arthropods.Cordyceps sinensis It is well-known traditional Chinese medicine composition.Cordyceps sinensis is also referred to as cordyceps sinensis, English name for " caterpillar fungus " or “winter worm summer grass”.When in traditional Chinese medicine in use, this composition actually by fungi together with thereon Parasitic moth larvae composition.In the remainder of this specification, term " cordyceps sinensis " refers to traditional medicine composition, such as in tradition It is used in medicine.When referring to fungi strain, the title initial of strain or category should be capitalized and be represented with italic, such as Cordyceps Militaris (Cordyceps sinensis)。
According to traditional Chinese medicine, cordyceps sinensis is commonly used for tonic, and cures purpose and for disappearing for kidney tonifying, beneficial lung etc. Except fatigue.Because Cordyceps Militaris is rare and curative effect outstanding, some bacterial strains are isolated from wild type Chinese caterpillar fungus hypha.These separation Bacterial strain be used for zymotechnique, then usually as functional food products sell.The quality control pair of Cordyceps Militaris and products thereof In ensuring that its security and effect are most important.In addition, also using some substitutes such as Cordyceps militaris (C.militaris) and Doping cordyceps sinensis (C.adulterants).
The cordyceps sinensis seemingly sense such as cordycepin (cordycepin), adenosine and its derivative, ergosterol or polysaccharide is emerging The source of the chemical constituent of interest.
Adenosine is a kind of purine nucleosides, in Biochemical processes such as energy transmission (as adenosine triphosphate (ATP) and Adenosine diphosphate (ADP)) and play a significant role in signal transduction (being used as 3'5'-AMP salt (cAMP)).It is also A kind of neuromodulator, for promoting sleep and suppressing excited.Adenosine is also flowing to the blood of each organ by vasodilation regulation Played a significant role during stream.Adenosine passes through the several types in for example immune, nerve, circulation, breathing or urinary system Acceptor works.Research points out, adenosine and cordycepin be some bioactive compounds there is provided the anti-inflammatory of cordyceps sinensis, it is anti-oxidant and Cardioprotective curative effect.
It has been generally acknowledged that cordycepin (cordycepin) and adenosine are the quality symbol things of cordyceps sinensis.Fresh cordyceps sinensis is also comprising big Measure water.Therefore, for business and for a long time, cordyceps sinensis must be dried by leaving with purpose.In addition, having to comply with method for edible cordyceps sinensis Rule require.For example, in China, worm grass product must include at least 50mg/100g adenosine and have less than 10000 Total plate count (TPC).
Research shows for many years, the characteristic and nutrition composition of the Cordyceps Militaris manually cultivated and the characteristic of wild Chinese caterpillar fungus bacterium and nutrition Component is identical, or stronger.It is another to produce spore by artificial culture there are some researches show Cordyceps Militaris, and spore is considered as Cordyceps Militaris The cream of the crop.
Preparing the conventional method of cordyceps sinensis includes drying, grind, sterilize and packing.However, the cordyceps sinensis traditionally prepared Extract is without required adenosine content and is unsatisfactory for microbial safety standard.In order that finished product has high adenosine concentration, Supplier must be very careful when selecting fresh cordyceps sinensis and technological parameter.However, these operations are there is no guarantee that product Uniformity, especially reproducible batch quality.
In addition, in order to eliminate microbiological hazards, the commonly used sterilizing of supplier or radiation.However, these operations may draw Adenosine loss or other active component performance degradations are played, may then cause compliance problem.
Wish to overcome or improve at least one shortcoming of prior art, or useful alternative solution is provided.Specifically, wish Hope to provide and prepare the method with consistent batch quality, enough adenosine contents and the Cordyceps of humble biological pollution. Food product or beverage, such as functional food products are can be readily made it is desirable also to Cordyceps.
The content of the invention
The purpose of the present invention is realized by the theme of independent claims.Dependent claims further expand the present invention's Conception.
Therefore, in a first aspect, the present invention is provided to prepare the method for Cordyceps, this method includes following step Suddenly:A) cordyceps sinensis is ground, the cordyceps sinensis b) is bleached, the cordyceps sinensis of the bleaching c) is dried, wherein bleaching is included in 27 DEG C to 90 DEG C At a temperature of the cordyceps sinensis is handled in water 20 to 240 minutes.
In second aspect, the present invention provides the Cordyceps prepared using method according to a first aspect of the present invention, its Described in Cordyceps include 100mg-220mg adenosines/100g extracts.
In the third aspect, the present invention is provided to be extracted comprising the cordyceps sinensis that can be obtained by method according to a first aspect of the present invention The alimentation composition of thing or Cordyceps according to a second aspect of the present invention.The alimentation composition can for food product, beverage, Functional health care food, nutritional agents, food additives, nutrient formulation and pet food.
In fourth aspect, the present invention provides Cordyceps according to a second aspect of the present invention or by according to the present invention the Cordyceps prepared by the method for one side, which is used to prepare to treat or prevent fatigue, angiocardiopathy or inflammation or improve, exempts from The purposes of the alimentation composition of epidemic disease power.
Those skilled in the art is after the detailed description to embodiment of the present invention is read in conjunction with the figure, will become more apparent that ground Understand these and other aspects, features and advantages of the present invention.
Brief description of the drawings
Fig. 1 is the flow chart for showing cordyceps sinensis traditional preparation methods, as described in example 1 above (prior art).
Fig. 2 to Fig. 5 is the flow chart for showing the embodiment for preparing Cordyceps method according to the present invention, is such as implemented Described in example 2 to 5.
Fig. 6 is the chromatogram that UPLC-PDA analyzes gained Cordyceps, as described in test example 6.
Embodiment
Through this specification, word " comprising ", "comprising" etc. all should be interpreted that opposite with exclusiveness or exhaustive implication Inclusive implication, that is to say, that be the meaning of " including but is not limited to ".As used in this specification, singulative " one/mono- Kind ", " should/described " include plural thing, unless linguistic context clearly refers else.
Unless otherwise stated, all percentages in this specification all refer to percentage by weight.
Unless otherwise defined, otherwise all scientific and technical terminologies all have and should be endowed with it is of the art general The implication identical implication that logical technical staff is generally understood that.
Cordyceps sinensis used herein refers to all cordyceps species, including Cordyceps Militaris, Cordyceps militaris, head cordyceps sinensis (C.capita), Cordyceps pruinosa (C.pruinosa) and Goldenthread Cordyceps (C.ophioglossoides).In one embodiment, cordyceps species Selected from Cordyceps Militaris, Cordyceps militaris, head cordyceps sinensis, Cordyceps pruinosa and Goldenthread Cordyceps, Cordyceps Militaris, Cordyceps militaris and agglomerate are preferably chosen from Cysticercus grass.
When preparing the Cordyceps according to the present invention, the mixing of different cordyceps species can be used, such as including cordyceps sinensis The mixing cordyceps sinensis of both bacterium and Goldenthread Cordyceps.Preferably, cordyceps sinensis is fresh.So, the quality of Cordyceps is compared Cordyceps sinensis is dried to make moderate progress.However, equally Cordyceps can be prepared based on cordyceps sinensis is dried.
The example of method for preparing Cordyceps is shown in Fig. 2 into Fig. 5.In Fig. 2 into Fig. 5, optional step with Dotted line frame is represented.Grey box corresponds to blanching step, as explained further on.
For all embodiments of Cordyceps preparation method, identical is a little that cordyceps sinensis is pulverized End.It can be ground in water, to directly obtain cordyceps sinensis slurries.Grinding increases the surface/volume of cordyceps sinensis particle, so as to carry High extraction efficiency.Grinding can by chop, cut or other methods realize.Preferably, cordyceps sinensis is ground to form to 0.5mm to 5mm grain Footpath, more preferably 1mm to 3mm particle diameter.Preferably, using fresh cordyceps sinensis, but dry cordyceps sinensis can also be used.
As shown in Fig. 2 to Fig. 5 flow chart, water is added in cordyceps sinensis after grinding, to obtain cordyceps sinensis slurries.As before It is literary described, it can also add water to before the grinding in cordyceps sinensis.The weight ratio of cordyceps sinensis and water is not fixed.Usual cordyceps sinensis and the weight of water Than in the range of 0.5: 1 to 2: 1, and preferably in the range of 1: 1 to 1.5: 1.If using less water, extracting effect Rate may be relatively low.If using too many water relative to cordyceps sinensis, excessive water must be evaporated, and this needs to consume more multipotency Amount.Water can be distilled water or running water.Preferably, the risk of microorganism pollution is reduced using distilled water, especially not right When Cordyceps sterilizes.
Then cordyceps sinensis slurries are bleached in water.Bleaching handles the cordyceps sinensis at a temperature of being included in 27 DEG C to 90 DEG C in water 20 to 240 minutes.It has been found by the present inventors that bleaching cordyceps sinensis slurries improve the adenosine content of Cordyceps.Blanching step Duration depends on bleaching temperature.
In some embodiments, bleaching is completed in one step.For example, bleaching worm at a temperature of 30 DEG C to 85 DEG C Straw pulp liquid 30 minutes to 200 minutes, bleaches cordyceps sinensis slurries 120 minutes to 200 minutes preferably at a temperature of 30 DEG C to 45 DEG C. In one embodiment, cordyceps sinensis slurries are bleached by soaking 150 minutes at a temperature of 30 DEG C to 40 DEG C to 200 minutes. In another embodiment, cordyceps sinensis slurries are bleached at a temperature of 70 DEG C to 90 DEG C 30 minutes to 60 minutes.
In a further preferred embodiment, bleaching is divided into two steps:The first step is gently is heat-treated in water, then It is potent heat treatment in water to carry out second step.For example, cordyceps sinensis slurries 120 are soaked in water first at a temperature of 30 DEG C to 45 DEG C Slurries, to 200 minutes, are then heated to 70 DEG C to 90 DEG C of temperature and kept again in water 30 minutes to 60 minutes by minute. In another preferred embodiment, the bleaching of cordyceps sinensis slurries is accomplished by the following way:30 DEG C to 45 DEG C first At a temperature of cordyceps sinensis slurries are soaked in water 120 minutes to 200 minutes, then elevated the temperature in 5 to 15 minutes to 70 DEG C extremely 90 DEG C of second temperature, and keep second temperature 30 to 45 minutes.
It will such as be shown in embodiment, it has been found by the present inventors that it is (gentle hot cordyceps sinensis slurries to be soaked at 30 DEG C 180 minutes Processing), cordyceps sinensis slurries are then heated to 85 DEG C and 30 minutes (potent heat treatment) is kept, can prepare and contain with highest adenosine The extract of amount.
It is preferred that being sterilized before the drying to bleached cordyceps sinensis slurries.Sterilize for reducing potential pollution and making the guarantor of product The matter phase is longer.Bleached cordyceps sinensis slurries are sterilized 10 to 15 minutes, more preferably from about 15 points at a temperature of 98 DEG C to 101 DEG C Clock.
After sterilization, cordyceps sinensis slurries are for example dried by freeze-drying, oven method or boulton process.Can Dried cordyceps sinensis is ground to form into 30 to 200 mesh sizes, and the more preferably powder of 50 to 100 mesh sizes.
When preparing Cordyceps by the above method, it can obtain including the Cordyceps of high concentration adenosine, for example often In 100g Cordyceps 100mg to 220mg adenosines concentration.This is far above the 25mg/ according to obtained by previous preparation method 100g concentration (Fig. 1 and Examples below 1).In some embodiments, it can reach higher than 110mg/100g, and even above 150mg/100g adenosine concentration.The ultimate density of adenosine depends on conditions of bleaching, including bleaching time and temperature and bleaching Step.
An aspect of of the present present invention is related to the alimentation composition for including the Cordyceps obtained using the above method.The battalion Foster composition can be food product, beverage, functional health care food, nutritional agents, food additives, nutrient formulation and pet food. The alimentation composition can be prepared by the way that Cordyceps is mixed into Nutrient product.When needing dry type nutrition product When, it can will dry Cordyceps dry-mixed into dry nutrition product.For example, can will dry Cordyceps is mixed into milk powder In.When needing wet type nutrition product, it may be desirable to before wet type nutrition product is sterilized or is heat-treated, after bleaching Cordyceps sinensis slurries (may by concentration or sterilize) be mixed into wet type nutrition product.
In fourth aspect, the present invention provides contained adenosine amount scope in 100mg/100g to the cordyceps sinensis between 220mg/100g Extract is used for the use for preparing the alimentation composition for treating or preventing fatigue, angiocardiopathy or inflammation or improving immunity On the way.The alimentation composition can be food product, beverage, functional health care food, nutritional agents, food additives, nutrient formulation and dote on Thing food.
Embodiment
Embodiment 1:The traditional preparation methods of cordyceps sinensis
As shown in figure 1, collect the fresh cordyceps militaris sporocarps of 50g, by it at 101 DEG C pasteurization 10 minutes.Then will be through The cordyceps sinensis for crossing pasteurization is freeze-dried 12 hours at -50 DEG C.Collect and grind freeze-dried cordyceps sinensis.Obtain brown powder End.
Adenosine content is analyzed by UPLC, as described in test example 6.Cordyceps sinensis powder includes 25mg adenosines/100g powder End.
Embodiment 2:Prepare Cordyceps
As shown in Fig. 2 collecting the fresh cordyceps militaris sporocarps of 50g, mince to obtain cordyceps sinensis slurries in milling machine.To cordyceps sinensis slurries Middle addition 500g water.Then (show) to be bleached with grey box in fig. 2 in two steps:(immersion) cordyceps sinensis slurry is handled at 30 DEG C Liquid 3 hours (180 minutes), then further handles cordyceps sinensis slurries 30 minutes at 85 DEG C.Finally, cordyceps sinensis is starched at 101 DEG C Liquid is sterilized 10 minutes, and frozen overnight is dried at -50 DEG C.Freeze-dried cordyceps sinensis is collected, and grinding obtains brown ceramic powder.
Adenosine content is analyzed by UPLC, as described in test example 6.Cordyceps sinensis powder includes 176mg adenosines/100g powder End.
Embodiment 3:Prepare Cordyceps
As shown in figure 3, collecting the fresh cordyceps militaris sporocarps of 50g, mince to obtain cordyceps sinensis slurries in milling machine.To cordyceps sinensis slurries Middle addition 500g water.Then (show) to be bleached with grey box in figure 3 in two steps:(immersion) cordyceps sinensis 3 is handled at 30 DEG C Hour (180 minutes), cordyceps sinensis slurries are then further handled at 85 DEG C 30 minutes.Finally, by cordyceps sinensis slurries mistake at -50 DEG C Night is freeze-dried.Freeze-dried cordyceps sinensis is collected, and grinding obtains brown ceramic powder.
Adenosine content is analyzed by UPLC, as described in test example 6.Cordyceps sinensis powder includes 205mg adenosines/100g powder End.In embodiment 3, with embodiment 2 on the contrary, the cordyceps sinensis slurries after bleaching are non-sterilized.Sterilizing seems to have adenosine content Negative effect.
Embodiment 4:Prepare Cordyceps
As shown in figure 4, collecting the fresh cordyceps militaris sporocarps of 50g, mince to obtain cordyceps sinensis slurries in milling machine.To cordyceps sinensis slurries Middle addition 500g water.Bleaching is carried out in a step (being shown in Fig. 4 with grey box):Cordyceps sinensis slurries 30 are handled at 85 DEG C Minute.Finally cordyceps sinensis slurries are sterilized 10 minutes at 101 DEG C, and frozen overnight is dried at -50 DEG C.Collect freeze-dried Cordyceps sinensis, and grind obtain brown ceramic powder.
Adenosine content is analyzed by UPLC, as described in test example 6.Cordyceps sinensis powder includes 109mg adenosines/100g powder End.In example 4, with embodiment 2 and 3 on the contrary, being bleached using a step.The bleaching of one step seems to obtain more compared to the bleaching of two steps Low adenosine content.
Embodiment 5:Prepare Cordyceps
As shown in figure 5, collecting the fresh cordyceps militaris sporocarps of 50g, mince to obtain cordyceps sinensis slurries in milling machine.To cordyceps sinensis slurries Middle addition 500g water.Bleaching is carried out in a step (being shown in Figure 5 with grey box):Cordyceps sinensis slurries are handled at 30 DEG C 180 minutes.Finally cordyceps sinensis slurries are sterilized 10 minutes at 101 DEG C, and frozen overnight is dried at -50 DEG C.Collect chilled Dry cordyceps sinensis, and grinding obtains brown ceramic powder.
Adenosine content is analyzed by UPLC, as described in test example 6.Cordyceps sinensis powder includes 158mg adenosines/100g powder End.In embodiment 5, with embodiment 4 on the contrary, gently being bleached using a step.Gentle bleaching seems to obtain compared to potent bleaching Higher adenosine content.
Following table summarizes embodiment 1-5 master operation and compares the adenosine content of grinding Cordyceps.
Embodiment and figure Bleaching Sterilizing Adenosine (mg/100g)
1 Nothing Have 25
2 Two steps are gentle and then potent Have 176.37
3 Two steps are gentle and then potent Nothing 205
4 One step, it is potent Have 108.73
5 One step, gently Have 157.77
Test example 6:The method for analyzing adenosine content
With reference to the method in Chinese Pharmacopoeia, methanol is used under ultrasound condition: water (1: 1, volume/volume) extracts fine cordyceps sinensis Extract powder 30 minutes, and UPLC- is passed through using C18 posts (for example, Acquity BEH C18,2.1*100mm, 1.7 μm) PDA is quantified.The analysis uses isocratic method, is carried out at room temperature with the flow velocity of 1.0mL/ minutes.Mobile phase is water: methanol (95: 5, volume/volume).It is 259.4nm for quantitative absorbing wavelength.
Cordyceps is analyzed with Acquity UPLC-PDA (water generation company of the U.S. (Waters, USA)).UPLC's is detailed Thin parameter is shown in following table.
This method is used to analyze the adenosine content in the Cordyceps described in embodiment 1 to 5.Fig. 6 is UPLC- The example of PDA analysis gained Cordyceps chromatograms.
The concentration of adenosine is calculated according to the standard curve of the reference material formation by injecting different content.For example, injection It is set forth below to lift reference material to obtain calibration curve.
Reference material title Concentration (X values) Adenosine responds (Y value)
1 μ g/mL hybrid standard things 1μg/mL 16415
2 μ g/mL hybrid standard things 2μg/mL 29055
4 μ g/mL hybrid standard things 4μg/mL 64063
8 μ g/mL hybrid standard things 8μg/mL 130661
15 μ g/mL hybrid standard things 15μg/mL 246860
30 μ g/mL hybrid standard things 30μg/mL 476448
50 μ g/mL hybrid standard things 50μg/mL 810322
According to the above results, adenosine calibration equation, such as Y=aX+b are obtained.Unknown sample is then injected into, is met with a response Y value, and calculate the X values represented with μ g/mL.Adenosine content A in final sample can be represented according to following formula with mg/100g:
X such as the adenosine concentration (μ g/mL) calculated using calibration equation
M example weights (g)
50 dilution volumes (mL)
1000 conversion factor from μ g to mg

Claims (15)

1. a kind of method for preparing Cordyceps, comprises the following steps:
A) cordyceps sinensis is ground,
B) cordyceps sinensis is bleached,
C) cordyceps sinensis after the bleaching is dried,
Wherein bleaching handles the cordyceps sinensis 20 to 240 minutes at a temperature of being included in 27 DEG C to 90 DEG C in water.
2. according to the method described in claim 1, carried out 30 minutes to 200 points at a temperature of 30 DEG C to 85 DEG C wherein bleaching Clock.
3. method according to claim 1 or 2, wherein bleaching is by soaking the worm at a temperature of 30 DEG C to 45 DEG C What grass was completed for 120 minutes to 200 minutes.
4. according to the method described in claim 1, carried out 30 minutes to 60 minutes at a temperature of 70 DEG C to 90 DEG C wherein bleaching.
5. according to the method described in claim 1, wherein bleaching is accomplished by the following way:In 30 DEG C to 45 DEG C of temperature Under the cordyceps sinensis is soaked in water 120 minutes to 200 minutes, then by the cordyceps sinensis be heated to 70 DEG C to 90 DEG C temperature and Kept for 30 minutes to 60 minutes in water.
6. according to the method described in claim 1, wherein bleaching is accomplished by the following way:30 DEG C to 45 DEG C first At a temperature of the cordyceps sinensis is soaked in water 120 minutes to 200 minutes, the temperature is increased to 70 in 5 to 15 minutes DEG C to 90 DEG C of second temperature, and keep the second temperature 30 to 45 minutes.
7. method according to any one of claim 1 to 6, wherein the weight ratio of the water and cordyceps sinensis is 0.5:1 to 2: 1, it is therefore preferable to 1:1 to 1.5:1.
8. method according to any one of claim 1 to 7, includes between the blanching step and the drying steps The step of being sterilized 10 to 15 minutes at a temperature of 98 DEG C to 101 DEG C.
9. method according to any one of claim 1 to 8, wherein the drying steps are by freeze-drying, baking oven Dry or be dried in vacuo what is carried out.
10. method according to any one of claim 1 to 9, also includes other grinding after the drying steps Step.
11. method according to any one of claim 1 to 10, wherein the cordyceps sinensis is Cordyceps militaris (Cordyceps ) or Cordyceps Militaris (Cordyceps sinensis) militaris.
12. Cordyceps prepared by a kind of method using according to any one of claim 1 to 11, wherein the worm Careless extract includes 100mg-220mg adenosines/100g extracts.
13. a kind of alimentation composition, comprising the Cordyceps that can be obtained according to any one of claim 1 to 11 or according to Cordyceps described in claim 12.
14. alimentation composition according to claim 13, wherein the alimentation composition is selected from food product, beverage, work( Can health food, nutritional agents, food additives, nutrient formulation and pet food.
15. the Cordyceps that can be obtained according to any one of claim 1 to 11 or worm according to claim 12 Careless extract is used for the use for preparing the alimentation composition for treating or preventing fatigue, angiocardiopathy or inflammation or improving immunity On the way.
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