Indoor and Outdoor Cultures of : Determination of Biomass Growth and Molecular Markers for Biomass Quality Evaluation

Overview

Journal Plants (Basel)

Date 2023 Mar 29

PMID 36987029

Authors

Sofia Caroca-Valencia

Jorge Rivas

Matias Araya

Alejandra Nunez

Florentina Pina

Fernanda Toro-Mellado

Loretto Contreras-Porcia

Affiliations

Soon will be listed here.

Abstract

Taking into consideration climate change scenarios, marine contamination, and a constantly expanding world population, seaweed aquaculture has become an important option for the large-scale production of high-quality biomass. Due to existing biological knowledge of , several cultivation strategies have been established for obtaining diverse biomolecules (lipids, fatty acids, pigments, among others) with nutraceutical properties. In this research, indoor and outdoor cultivation methodologies were applied to generate high biomass of with positive quality for productive purposes, where the quality was determined according to the concentrations of lipoperoxides and phenolic compounds and the total antioxidant capacity (TAC). The results showed that cultures, which were fertilized for three weeks with Basfoliar Aktiv (BF) at concentrations of 0.05-1% /, obtained high biomass (1-1.3 kg m) and DGR (0.35-4.66% d), low lipoperoxides (0.5-2.8 µmol g DT), and high phenolic compounds (0.4-0.92 µ eq. GA g FT) and TAC (5-7.5 nmol eq. TROLOX g FT) as compared with other culture media. Lower stress was determined under indoor cultures, due to the operative control of diverse physicochemical stressor parameters (T°, light intensity, photoperiod, among others). Therefore, the cultures developed allow scaling the biomass in productive terms and are suitable for obtaining compounds of interest.

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