Camelina Oil as a Promising Substrate for mcl-PHA Production in Pseudomonas sp. Cultures

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Bustamante Daniel; Tortajada Marta; Ramon Daniel; Rojas Antonia

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Journal: Applied Food Biotechnology Year:2019 | Volume:6 | Issue:1 Page(s): 61-70

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Information Journal Paper

Title

Camelina Oil as a Promising Substrate for mcl-PHA Production in Pseudomonas sp. Cultures

Author(s)

Bustamante Daniel | Tortajada Marta | Ramon Daniel | Rojas Antonia | Issue Writer Certificate

Keywords

Bioplastics

Camelina oil

Medium-chain-length polyhydroxyalkanoates

PHA

Pseudomonas sp.

Abstract

Background and objective: Polyhydroxyalkanoates are biodegradable polyesters synthe-sized by some prokaryotic organisms from renewable sources. Medium-chain-length Poly-hydroxyalkanoates show interesting properties as elastic and adhesive specialty polymers. Medium-chain-length polyhydroxyalkanoates producers such as Pseudomonas sp. have demonstrated high yields on fats and oils. Camelina sativa is non-food chain competing crop, whose seed contain about 43% (w w-1) oil in dry matter with about 90% (w w-1) of unsaturated fatty acids. Camelina oil was for the first time tested for the production of Medium-chain-length polyhydroxyalkanoates by different Pseudomonas strains. Material and methods: The production of Polyhydroxyalkanoate was evaluated in a nitrogen‐ limited minimal medium supplemented with crude Camelina oil or saponified oil to compare the production capability of Pseudomonas sp. strains. A phosPHAtes-limited medium was used to optimize polyhydroxyalkanoate production in fed-batch assays. Experiments were carried out by duplicates. Results and conclusion: Pseudomonas resinovorans was used for direct fermentation of Camelina oil without prior hydrolysis. A first approach to process development in bioreactor has provided up to 40% (w w-1) polymer content, matching highest Medium-chain-length polyhydroxyalkanoates titer reported from plant oils (13. 2 g l-1). Camelina oil was shown to be a suitable substrate for production of Medium-chain-length polyhydroxyalkanoates. This non-food vegetable oil gave good results for Pseudomonas resinovorans DSM 21078 without any pre-treatment.

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APA: Copy

Bustamante, Daniel, Tortajada, Marta, Ramon, Daniel, & Rojas, Antonia. (2019). Camelina Oil as a Promising Substrate for mcl-PHA Production in Pseudomonas sp. Cultures. APPLIED FOOD BIOTECHNOLOGY, 6(1 ), 61-70. SID. https://sid.ir/paper/269703/en

Vancouver: Copy

Bustamante Daniel, Tortajada Marta, Ramon Daniel, Rojas Antonia. Camelina Oil as a Promising Substrate for mcl-PHA Production in Pseudomonas sp. Cultures. APPLIED FOOD BIOTECHNOLOGY[Internet]. 2019;6(1 ):61-70. Available from: https://sid.ir/paper/269703/en

IEEE: Copy

Daniel Bustamante, Marta Tortajada, Daniel Ramon, and Antonia Rojas, “Camelina Oil as a Promising Substrate for mcl-PHA Production in Pseudomonas sp. Cultures,” APPLIED FOOD BIOTECHNOLOGY, vol. 6, no. 1 , pp. 61–70, 2019, [Online]. Available: https://sid.ir/paper/269703/en

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