CN1392244A - Method for producing astaxanthin by cultivating haematococcus pulvialis - Google Patents

Method for producing astaxanthin by cultivating haematococcus pulvialis Download PDF

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CN1392244A
CN1392244A CN02138827A CN02138827A CN1392244A CN 1392244 A CN1392244 A CN 1392244A CN 02138827 A CN02138827 A CN 02138827A CN 02138827 A CN02138827 A CN 02138827A CN 1392244 A CN1392244 A CN 1392244A
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astaxanthin
substratum
spore
nutrient solution
cultivating
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CN1181184C (en
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李夜光
张宝玉
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Wuhan Botanical Garden of CAS
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Wuhan Institute of Botany of CAS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

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Abstract

The process of cultivating haemtococcus pluvialis and producing astaxanthin includes compounding culture medium, one-step production process, circular use of the culture meidum and utilziing CO2 in regualting the pH value of culture liquid, inducing sporification of haemtococcus pluvialis and accumulating astaxanthin. The said process including cell growth of haemtococcus pulvalis, spore conversion and astaxanthin accumulation is completed in the same culture medium inside one identical bioreactor. The culture period may be shortened to 12-15 days, and the culture medium may be reused for at least six times via proper treatment. The production process has no effluent drainage, high astaxanthin yield and quality.

Description

A kind of method of cultivating haematococcus pluvialis to produce astaxanthin
Technical field
The present invention relates to a kind of method of cultivating haematococcus pluvialis to produce astaxanthin, particularly a kind of with carbonic acid gas (CO 2) regulate formation, the astaxanthin accumulation of medium pH value control haematococcus pulvialis spore and recycle the method for substratum.
Background technology
Astaxanthin (Astaxanthin) enjoys domestic and international numerous investigators' concern because of having superior tinctorial property and extremely strong oxidation-resistance.The topmost purposes of astaxanthin is to use imitating element in aquaculture at present, in the aquaculture of salmon and trout, secondly is as foodstuff additive and healthcare products particularly, and the application aspect medical also has very big potentiality.According to the latest news, the salmon cultured output has broken through 1,000,000 tons calendar year 2001.In addition, Canada, Chile and Japan will become the major country of production (BjorndaleT.1990) of Pacific Ocean salmon.It is synthetic that astaxanthin more than 95% is arranged at present, and its price is about 2000-2500 dollar/kilogram, and annual apparent consumption is approximately 200,000,000 dollars (R.Todd Lorenz et al.2000).But the product of synthetic is composition (the Mayne S.T.et al.1988 that is similar to carotenoid; Storebakken T.et al.1984), can not be absorbed by fish effectively.And the food of the U.S. and the drug control council (FDA) do not allow the astaxanthin of synthetic to be added in the feed of salmon (Sinnot R., 1988).
There are 4 approach in the source of astaxanthin at present:
(1) the astaxanthin product of chemosynthesis chemosynthesis mainly is composition (the Mayne S.T.et al.1988 that is similar to carotenoid; Storebakken T.et al.1984).In recent years, in the feed of fish, use synthetic food color to be subjected to increasing restriction (Sinnot R., 1988).
(2) from Crustacean, extract: contain astaxanthin in the crust of Crustacean, but content is very low.And the chitinous content of ash content is higher in these crusts, has limited the extraction and the utilization of astaxanthin.
(3) utilize fungi to produce: to contain 0.05% astaxanthin in Mycophyta such as phaffiafhodozyma bacterium (Phaffia rhodozyma) the wild strain system; The content astaxanthin of some mutating strain series can reach 0.218% (John A.B.et al.1997) of dry cell weight.The content of astaxanthin is generally very low in the fungi.Utilize yeast to produce astaxanthin except that yielding poorly, the fermentation costs height also is the reason that is unfavorable for scale operation.
(4) utilize little algae to produce: content astaxanthin is very high in Haematocoocus Pluvialls (Haematococcus pluvialis) cell, generally reaches the 1.5-3.0% of dry weight; Can account for according to the latest report content astaxanthin about the 6-8% of biomass (Tsavalos et al., 1992).The content of natural astaxanthin is higher relatively in the haematococcus pluvialis cell, and with the identical (GoodwinT.W.1984 of the intravital structural carotenoid of the salmon of spontaneous growth; Steven D.M.1948; Fex D.L.1957; Khare A.et al 1973), therefore, utilize haematococcus pulvialis to produce astaxanthin and have huge commerce and economic worth.
At present external large scale culturing all adopts two step method.So-called two step method is that nourishing and growing of haematococcus pulvialis and astaxanthin accumulation are divided into two stages artificially, these two stages are respectively in different bioreactors, carry out under the different culture condition (comprising substratum), keep the condition of nourishing and growing and induce astaxanthin cumulative condition to be very different.The advantage of two step method is to have solved haematococcus pulvialis cell growth and breeding and sporulation, the different contradiction of the accumulation required condition of astaxanthin, and its weak point is (1) complex process; (2) induce the nutrient solution after astaxanthin cumulative measure meeting causes gathering to reuse, cause a large amount of waste water of discharging in the production process, water surrounding is had contamination.
Summary of the invention
The object of the present invention is to provide a kind of method that the rain haematococcus pulvialis is produced astaxanthin of cultivating, the substratum preparation is reasonable, and method is easy, and is with short production cycle, and substratum recycles, and has solved the problem of discharge of wastewater in the culturing process.
In order to achieve the above object, the present invention adopts following technical measures.
1. prepare substratum (MHM)
Culture medium prescription is as follows:
Saltpetre (KNO 3) 0.4-0.7g/L
Dipotassium hydrogen phosphate (K 2HPO 4) 0.08-0.12g/L
Sal epsom (MgSO 47H 2O) 0.08-0.12g/L
Calcium sulfate (CaSO 42H 2O) 0.04-0.06g/L
Iron trichloride (FeCL 36H 2O) 2.38-2.50 * 10 -4G/L
Disodium ethylene diamine tetraacetate (EDTANa 2) 1.85-3.7 * 10 -4G/L
Zinc chloride (ZnCL 2) 3.7-5.0 * 10 -6G/L
Boric acid (H 3BO 3) 5.5-8.0 * 10 -5G/L
Cobalt chloride (CoCL 26H 2O) 4.8-9.6 * 10 -6G/L
Copper sulfate (CuSO 45H 2O) 6.4-8.5 * 10 -6G/L
Manganous chloride tetrahydrate (MnCL 24H 2O) 3.8-7.6 * 10 -6G/L
Ammonium molybdate ((NH 4) 6Mo 7O 244H 2O) 3.0-5.0 * 10 -5G/L
Vitamins B 12(Vitamin B 12) 1.0-3.0 * 10 -6G/L
Vitamin H (Biotin) 1.0-3.0 * 10 -6G/L
2. single stage method is cultivated
Utilize haematococcus pluvialis to produce astaxanthin, adopt single stage method.The growth, spore conversion and the astaxanthin accumulation that are the vegetative cell of Haematocoocus Pluvialls are to finish in same bioreactor, same substratum, accumulate by the pH value promotion spore conversion and the astaxanthin of regulation and control nutrient solution.Culture cycle is 12-15 days, and preceding 5-6 days is vegetative growth phases, and frustule continues to carry out cell fission, with exponential form propagation, reaches maximum density.Back 7-9 days is that spore transforms and the astaxanthin accumulation phase.Two stages link up naturally.Haematococcus pulvialis in 12-15 days, finish nourish and grow, spore transforms and the whole process of astaxanthin accumulation.
3. recycle substratum
3.1 reclaim the processing of substratum
Reclaim the substratum after the last time gathers, with the substratum that activated carbon treatment reclaims, the consumption of activated carbon is 0.2-1.0g/L, and the activated carbon treatment time is 2-5 hour, filters to obtain clarifying water liquid.Activated carbon treatment and filtering effect have 2: the organism in (1) absorption substratum.(2) remove impurity, comprise remaining frustule, a small amount of protozoon and mushroom;
3.2 prepare substratum again
Add the various chemical substances in the culture medium prescription in the primary water liquid that filtration obtains, every kind consumption is 80% of an original formulation, obtains new substratum, is used for cultivating next time.
4. regulate and control the pH value of nutrient solution stage by stage
In the early stage (5-6 days) of cultivating, the pH value of nutrient solution is adjusted in the scope of 7-8.5, provide the condition that is beneficial to the quick growth and breeding of cell, the biomass of haematococcus pulvialis is increased fast.In the later stage (7-9 days) of cultivating, the pH value of nutrient solution is brought up in the scope of 8.5-10.0, promote the formation and the astaxanthin accumulation of spore.
The present invention compared with prior art has the following advantages and effect:
1. substratum is reused, and reduces the discharge of wastewater of production process, the protection environment;
2. technology is easy, and whole culturing process is finished in a bioreactor and a kind of substratum;
3. with short production cycle, finish in 12-15 days nourish and grow, spore transforms and the whole process of astaxanthin accumulation.
4. output height, quality is good, the haematococcus pulvialis spore output greater than 1 gram (dry weight)/liter, content astaxanthin 2-3% in the spore (spore output changes with different algae kinds (strain) with content astaxanthin).
5. with carbonic acid gas (CO 2) regulate formation and astaxanthin accumulation that medium pH value is controlled the haematococcus pulvialis spore, simple, economical and efficient.
Embodiment
1. preparation substratum:
Put into 20cm water in the annular cultivation pool, volume is 600 liters, and various nutritive ingredients and concentration thereof are as follows to wherein adding:
Saltpetre (KNO 3) 0.5g/L
Dipotassium hydrogen phosphate (K 2HPO 4) 0.1g/L
Sal epsom (MgSO 47H 2O) 0.1g/L
Calcium sulfate (CaSO 42H 2O) 0.05g/L
Iron trichloride (FeCL 36H 2O) 2.43 * 10 -4G/L
Disodium ethylene diamine tetraacetate (EDTANa 2) 1.88 * 10 -4G/L
Zinc chloride (ZnCL 2) 4.1 * 10 -6G/L
Boric acid (H 3BO 3) 6.1 * 10 -5G/L
Cobalt chloride (CoCL 26H 2O) 5.1 * 10 -6G/L
Copper sulfate (CuSO 45H 2O) 6.6 * 10 -6G/L
Manganous chloride tetrahydrate (MnCL 24H 2O) 4.1 * 10 -6G/L
Ammonium molybdate ((NH 4) 6Mo 7O 244H 2O) 3.8 * 10 -5G/L
Vitamins B 12(Vitamin B 12) 2.0 * 10 -6G/L
Vitamin H (Biotin) 2.5 * 10 -6G/L
2. inoculation:
The green swarm cell of the haematococcus pulvialis of vigorous growth is inoculated in the prepared culture medium, makes cell density reach 5 * 10 4About cells/ml;
3. cultivate
Natural light is adopted in culturing process illumination; Utilize mechanical stirring to make nutrient solution keep flowing uniformly; Temperature adjusting is in 15-28 ℃ of scope; At preceding 6 days that cultivate, by logical dioxy two carbon (CO in nutrient solution 2), the pH value of nutrient solution is adjusted in the scope of 7-8.5.In this stage, the quick growth and breeding of haematococcus pulvialis cell, biomass increases fast, and it is green that algae liquid is.
4. induce the accumulation of astaxanthin
From the 7th day that cultivates, control fed carbonic acid gas (CO 2) frequency and quantity the pH value of nutrient solution is adjusted in the scope of 8.5-10.0.In this stage, the haematococcus pulvialis swarm cell gradates and is spore, and astaxanthin accumulates in a large number.Algae liquid color becomes yellow-green colour by green, further becomes orange, becomes redness again.
5. the haematococcus pulvialis of gathering
Cultivation proceeds to the 12nd day, and 95% cell transformation is a spore in the nutrient solution, has been full of red astaxanthin in the spore, and algae liquid is scarlet, can gather.Algae liquid is left standstill, and the haematococcus pulvialis spore precipitates very soon, and it is standby to collect supernatant liquor, spore be lower than under 100 ℃ the temperature dry.
6. the preparation again of substratum
The supernatant liquor of collecting adds the 0.5g/L activated carbon treatment 3 hours, filtration obtain 600 liters of clarifying liquid, are mixed with new substratum to wherein adding various nutritive ingredients again, use in order to cultivate next time.The nutrition and the concentration thereof that add are as follows
Saltpetre (KNO 3) 0.4g/L
Dipotassium hydrogen phosphate (K 2HPO 4) 0.08g/L
Sal epsom (MgSO 47H 2O) 0.08g/L
Calcium sulfate (CaSO 42H 2O) 0.04g/L
Iron trichloride (FeCL 36H 2O) 1.94 * 10 -4G/L
Disodium ethylene diamine tetraacetate (EDTANa 2) 1.5 * 10 -4G/L
Zinc chloride (ZnCL 2) 3.28 * 10 -6G/L
Boric acid (H 3BO 3) 4.88 * 10 -5G/L
Cobalt chloride (CoCL 26H 2O) 4.08 * 10 -6G/L
Copper sulfate (CuSO 45H 2O) 5.28 * 10 -6G/L
Manganous chloride tetrahydrate (MnCL 24H 2O) 3.28 * 10 -6G/L
Ammonium molybdate ((NH 4) 6Mo 7O 244H 2O) 3.04 * 10 -5G/L
Vitamins B 12(Vitamin B 12) 1.6 * 10 -6G/L
Vitamin H (Biotin) 2.0 * 10 -6G/L
7. substratum recycles
The using method of prepared culture medium is identical with primary substratum.Through inoculation-cultivate-inducing the accumulation of astaxanthin-gather-substratum recoverys-processings-preparation again, become new substratum again, the like this circulation, substratum can recycle 6 times at least.

Claims (4)

1, a kind of method of cultivating haematococcus pluvialis to produce astaxanthin comprises the following steps:
A, preparation substratum:
Saltpetre 0.4-0.7g/L
Dipotassium hydrogen phosphate 0.08-0.12g/L
Sal epsom 0.08-0.12g/L
Calcium sulfate 0.04-0.06g/L
Iron trichloride 2.38-2.50 * 10 -4G/L
Disodium ethylene diamine tetraacetate 1.85-3.7 * 10 -4G/L
Zinc chloride 3.7-5.0 * 10 -6G/L
Boric acid 5.5-8.0 * 10 -5G/L
Cobalt chloride 4.8-9.6 * 10 -6G/L
Copper sulfate 6.4-8.5 * 10 -6G/L
Manganous chloride tetrahydrate 3.8-7.6 * 10 -6G/L
Ammonium molybdate 3.0-5.0 * 10 -5G/L
Vitamins B 121.0-3.0 * 10 -6G/L
Vitamin H 1.0-3.0 * 10 -6G/L
B, inoculation:
The green swarm cell of haematococcus pulvialis is inoculated in the substratum that configures, makes cell density reach 5 * 10 4Cells/ml;
C, cultivation:
Natural light is adopted in culturing process illumination, utilizes mechanical stirring to make nutrient solution keep flowing uniformly, and temperature adjusting at preceding 6 days that cultivate, by logical carbonic acid gas in nutrient solution, is adjusted in 7-8.5 with the pH value of nutrient solution in 15-28 ℃ of scope;
D, induce the accumulation of astaxanthin:
From the 7th day that cultivates, the frequency of control feeding carbonic acid gas and quantity were adjusted in 8.5-10.0 with the pH value of nutrient solution, and in this stage, the haematococcus pulvialis swarm cell gradates and is spore, astaxanthin accumulation;
E, the haematococcus pulvialis of gathering:
Cultivation proceeds to the 12nd day, and 95% cell transformation is a spore in the nutrient solution, has been full of red astaxanthin in the spore, algae liquid is scarlet, can gather, and algae liquid is left standstill, the haematococcus pulvialis spore precipitates, and it is standby to collect supernatant liquor, spore be lower than under 100 ℃ the temperature dry;
Again the preparation of F, substratum:
The supernatant liquor of collecting at first passes through activated carbon treatment, filtration, obtains clarifying liquid, is mixed with new substratum to wherein adding various nutritive ingredients again, uses in order to cultivate next time;
Recycling of G, substratum.
2, a kind of method of cultivating haematococcus pluvialis to produce astaxanthin according to claim 1 is characterized in that the substratum of preparing:
Saltpetre 0.5g/L
Dipotassium hydrogen phosphate 0.1g/L
Sal epsom 0.1g/L
Calcium sulfate 0.05g/L
Iron trichloride 2.43 * 10 -4G/L
Disodium ethylene diamine tetraacetate 1.88 * 10 -4G/L
Zinc chloride 4.1 * 10 -6G/L
Boric acid 6.1 * 10 -5G/L
Cobalt chloride 5.1 * 10 -6G/L
Copper sulfate 6.6 * 10 -6G/L
Manganous chloride tetrahydrate 4.1 * 10 -6G/L
Ammonium molybdate 3.8 * 10 -5G/L
Vitamins B 122.0 * 10 -6G/L
Vitamin H 2.5 * 10 -6G/L.
3, a kind of method of cultivating haematococcus pluvialis to produce astaxanthin according to claim 1 is characterized in that the preparation again of substratum:
Saltpetre 0.4g/L
Dipotassium hydrogen phosphate 0.08g/L
Sal epsom 0.08g/L
Calcium sulfate 0.04g/L
Iron trichloride 1.94 * 10 -4G/L
Disodium ethylene diamine tetraacetate 1.5 * 10 -4G/L
Zinc chloride 3.28 * 10 -6G/L
Boric acid 4.88 * 10 -5G/L
Cobalt chloride 4.08 * 10 -6G/L
Copper sulfate 5.28 * 10 -6G/L
Manganous chloride tetrahydrate 3.28 * 10 -6G/L
Ammonium molybdate 3.04 * 10 -5G/L
Vitamins B 121.6 * 10 -6G/L
Vitamin H 2.0 * 10 -6G/L.
4, a kind of method of cultivating haematococcus pluvialis to produce astaxanthin according to claim 1 is characterized in that the consumption of activated carbon is 0.2-1.0g/L with the substratum of activated carbon treatment recovery, and the activated carbon treatment time is 2-5 hour.
CNB02138827XA 2002-07-26 2002-07-26 Method for producing astaxanthin by cultivating haematococcus pulvialis Expired - Fee Related CN1181184C (en)

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CN101173214B (en) * 2007-10-30 2010-05-19 中国科学院南海海洋研究所 Astaxanthin high-production mutant strain of haematococcus pluvialis
CN101974600A (en) * 2010-10-14 2011-02-16 山东理工大学 Method for producing astaxanthin by haematococcus pluvialis induced by methyl jasmonate
CN101974599A (en) * 2010-10-14 2011-02-16 山东理工大学 Method for quickly producing astaxanthin from haematococcus pluvialis stimulated by brassinosteroids
CN101974598A (en) * 2010-10-14 2011-02-16 山东理工大学 Method for promoting haematococcus pluvialis to produce astaxanthin by utilizing jasmonic acid
CN102604836A (en) * 2012-03-01 2012-07-25 武汉凯迪工程技术研究总院有限公司 Production method and device for preventing chytrid pollution in haematococcus pluvialis
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CN104531530A (en) * 2014-12-10 2015-04-22 青岛无为保温材料有限公司 Wall breaking method for haematococcus pluvialis
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US8834855B2 (en) 2005-01-21 2014-09-16 Promar As Sunscreen compositions comprising carotenoids
CN101173214B (en) * 2007-10-30 2010-05-19 中国科学院南海海洋研究所 Astaxanthin high-production mutant strain of haematococcus pluvialis
CN101974600A (en) * 2010-10-14 2011-02-16 山东理工大学 Method for producing astaxanthin by haematococcus pluvialis induced by methyl jasmonate
CN101974599A (en) * 2010-10-14 2011-02-16 山东理工大学 Method for quickly producing astaxanthin from haematococcus pluvialis stimulated by brassinosteroids
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CN105916993A (en) * 2014-04-17 2016-08-31 高丽大学校产学协力团 Method for increasing production of astaxanthin in haematococcus pluvialis by mature spore inoculation and iron ion-mediated Harber-Weiss reaction at high temperature
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CN104862232A (en) * 2015-06-15 2015-08-26 中国海洋大学 Improved culture medium applicable to Haematococcus pluvialis vegetative growth and preparation method of improved culture medium
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