" High value-added chemicals and BIoreSIns from alGae biorefineries produced from CO2 provided by industrial emissions "

TECHNICAL ARTICLES

In this section, you can access to the latest technical information related to the BISIGODOS project topic.

Towards protein production and application by using Chlorella species as circular economy

In this study, productions of microalgal proteins were explored via a circular economy concept. First, production of proteins from Chlorella vulgaris FSP-E (CV) and Chlorella sorokiniana (CS) was optimized by using favorable cultivation conditions and strategies. The optimal CO2 concentration for the growth of both microalgae was 5 % (v/v), while the optimal nitrogen source for CV and CS were 12 mM of NaNO3 and NH4Cl, respectively. Addition of 12 mg/L ammonium iron (III) citrate enhanced protein production. Next, semi-batch cultivation strategy was employed to achieve a protein production of 793.3 and 812.8 mg/L for CV and C S, representing a 4.86 and 2.77 fold increase, respectively, in protein productivity. The obtained nicroalgal proteins consist of 40% essential amino acids. The CV and CS proteins possess prebiotic activities as they enhanced the growth of Lactobacillus rhamnosus ZY by 48 and 74%, respectively, with a good antibacterial activity against predominant pathogens.

» Author: Yu-Cheng Lai, Chien-Hsiang Chang, Chun-Yen Chen, Jo-Shu Chang, I-Son Ng

» Reference: 10.1016/j.biortech.2019.121625

» Publication Date: 08/06/2019

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This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° [613680].

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