Abstract：
:This study evaluated whether outdoor cultivation of Spirulina sp. in different geographical locations affected its growth and biomass quality, with respect to the chemical composition, volatile compound and heavy metal content, and thermal stability. The positive effect of solar radiation and temperature on biomass productivity in Spirulina sp. cultivated in the northeast was directly related to its improved nutritional characteristics, which occurred with an increase in protein, phycocyanin, and polyunsaturated fatty acid (mainly γ-linolenic) content. The biomass produced in Northeast and South Brazil showed high thermal stability and had volatile compounds that could be used as biomarkers of Spirulina, and their parameters were within the limits of internationally recognized standards for food additives; hence, they have been considered safe foods. However, the growth of crops in south Brazil occurred at lower rates due to low temperatures and luminous intensities, indicative of the robustness of microalgae in relation to these parameters.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
de Jesus CS,da Silva Uebel L,Costa SS,Miranda AL,de Morais EG,de Morais MG,Costa JAV,Nunes IL,de Souza Ferreira E,Druzian JIdoi
10.1016/j.biortech.2018.01.149subject
Has Abstractpub_date
2018-05-01 00:00:00pages
86-94eissn
0960-8524issn
1873-2976pii
S0960-8524(18)30171-8journal_volume
256pub_type
杂志文章abstract：:Intensive livestock production is connected with a number of environmental effects, including discharges to soils and surface waters and emissions to the atmosphere. In areas with a high livestock density the low availability of nearby arable land, together with the preferred use of chemical fertilizer by arable farme...
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