RO96898B1 - Process for culturing in semi-continuous system the cyanobacterium spirulina platensis - Google Patents

Process for culturing in semi-continuous system the cyanobacterium spirulina platensis

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Publication number
RO96898B1
RO96898B1 RO127432A RO12743287A RO96898B1 RO 96898 B1 RO96898 B1 RO 96898B1 RO 127432 A RO127432 A RO 127432A RO 12743287 A RO12743287 A RO 12743287A RO 96898 B1 RO96898 B1 RO 96898B1
Authority
RO
Romania
Prior art keywords
suspension
same
semi
biomass
spirulina platensis
Prior art date
Application number
RO127432A
Other languages
Romanian (ro)
Other versions
RO96898A2 (en
Inventor
Nicolaie Dragos
Leontin-Stefan-Eugen Peterfi
Victor Bercea
Eufemia-Ana Nicoara
Anna Chiorean
Lajos-Antal Balaza
Maria Bocea
Dorina Moldovan
Georgeta Stan
Neguta David
Maria Ciocan
Ivan Torok
Original Assignee
Centrul De Cercetari Biologice
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centrul De Cercetari Biologice filed Critical Centrul De Cercetari Biologice
Priority to RO127432A priority Critical patent/RO96898B1/en
Publication of RO96898A2 publication Critical patent/RO96898A2/en
Publication of RO96898B1 publication Critical patent/RO96898B1/en

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Abstract

Inventia se refera la un procedeu de cultivare în sistem semicontinuu a cianobacteriei Spirulina platensis (Gomont) Geitler, utilizabil pentru obsinerea de biomasa bogata în proteine si alti componenti valorosi pentru alimentatie si terapeutica.Cultura se realizeaza într-un bazin adecvat, continând mediu nutritiv zarrouk, în care se inoculeaza suspensie algala aflata în faza de crestere exponentiala. Grosimea suspensiei este de 15...20 cm, iar omogenizarea se realizeaza prin barbotare cu aer comprimat sau prin alte mijloace mecanice. Sistemul de cultivare semicontinuu se instaleaza din momentul în care se atinge densitatea optica de 1,0...1,2 unitati de extinctie si se caracterizeaza prin mentinerea culturii la aceeasi rata (optima) de crestere, aceeasi concentratie a biomasei si aceeasi productivitate, printr-o serie de recoltari partiale intermediare, în conditiile mentinerii constante a volumului total al suspensiei si al evitarii limitarii nutritionale a cresterii prin adaugarea periodica a nutrientilor esentiali. Procedeul conduce la productivitate de 2...3 ori mai ridicata fata de sistemul de cultivare "batch", la un plus de operationalitate si extinderea ariei de aplicabilitate, precum si la valorificarea superioara si eficienta a nutrientilor în biomasa algala.The invention relates to a semi-continuous cultivation process of the Spirulina platensis (Gomont) Geitler cyanobacteria, useful for the observation of protein-rich biomass and other valuable components for nutrition and therapeutics. The culture is made in a suitable pool containing the nutritional medium zarrouk , in which an algal suspension is inoculated in the exponential growth phase. The thickness of the suspension is 15 ... 20 cm, and the homogenization is accomplished by bubbling with compressed air or other mechanical means. The semicontinuous cultivation system installs once the optical density of 1.0 ... 1.2 units of extinction is reached and is characterized by maintaining the crop at the same optimal growth rate, the same biomass concentration and the same productivity, through a series of partial partial harvests, in the conditions of constant maintenance of the total volume of the suspension and of avoiding the nutritional limitation of the growth by the periodic addition of the essential nutrients. The process results in 2 to 3 times higher productivity than the "batch" cultivation system, in addition to operationality and extension of applicability, as well as to the superior and efficient utilization of nutrients in algal biomass.

RO127432A 1987-03-14 1987-03-14 Process for culturing in semi-continuous system the cyanobacterium spirulina platensis RO96898B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO127432A RO96898B1 (en) 1987-03-14 1987-03-14 Process for culturing in semi-continuous system the cyanobacterium spirulina platensis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO127432A RO96898B1 (en) 1987-03-14 1987-03-14 Process for culturing in semi-continuous system the cyanobacterium spirulina platensis

Publications (2)

Publication Number Publication Date
RO96898A2 RO96898A2 (en) 1989-04-28
RO96898B1 true RO96898B1 (en) 1989-05-01

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ID=20120492

Family Applications (1)

Application Number Title Priority Date Filing Date
RO127432A RO96898B1 (en) 1987-03-14 1987-03-14 Process for culturing in semi-continuous system the cyanobacterium spirulina platensis

Country Status (1)

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RO (1) RO96898B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1052262C (en) * 1993-05-31 2000-05-10 国家研究发展公司 A process for the production of dried algal biomass from spirulina
FR2783837A1 (en) * 1998-09-29 2000-03-31 Thallia Pharmaceuticals Maximization of growth rate of photosynthetic microorganisms by optimization of carbon dioxide addition
MD2409C2 (en) * 2001-08-10 2004-10-31 Государственный Университет Молд0 Process for cultivation of cyanobacterium Spirulina platensis

Also Published As

Publication number Publication date
RO96898A2 (en) 1989-04-28

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