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Marine Drugs
Volume 22
Issue 5
10.3390/md22050222
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Article

The Role of Nitrate Supply in Bioactive Compound Synthesis and Antioxidant Activity in the Cultivation of Porphyra linearis (Rhodophyta, Bangiales) for Future Cosmeceutical and Bioremediation Applications

by
Débora Tomazi Pereira
,
Nathalie Korbee
,
Julia Vega
and
Félix L. Figueroa
*
Experimental Center Grice Hutchinson, University Institute of Blue Biotechnology and Development (IBYDA), University of Malaga, Lomas de San Julián, 2, 29004 Málaga, Spain
*
Author to whom correspondence should be addressed.
Mar. Drugs 2024, 22(5), 222; https://doi.org/10.3390/md22050222
Submission received: 11 April 2024 / Revised: 13 May 2024 / Accepted: 14 May 2024 / Published: 15 May 2024
(This article belongs to the Special Issue From Sea to Skin: Advancements in Marine-Based Cosmeceuticals)
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Abstract

Porphyra sensu lato has economic importance for food and pharmaceutical industries due to its significant physiological activities resulting from its bioactive compounds (BACs). This study aimed to determine the optimal nitrate dosage required in short-term cultivation to achieve substantial BAC production. A nitrate experiment using varied concentrations (0 to 6.5 mM) revealed optimal nitrate uptake at 0.5 mM in the first two days and at 3 and 5 mM in the last five days. Polyphenols and carbohydrates showed no differences between treatments, while soluble proteins peaked at 1.5 and 3 mM. Total mycosporine-like amino acids (MAAs) were highest in algae incubated at 5 and 6.5 mM, and the highest antioxidant activity was observed in the 5 mM, potentially related to the MAAs amount. Total carbon and sulfur did not differ between treatments, while nitrogen decreased at higher nitrate. This discovery highlights the nuanced role of nitrate in algal physiology, suggesting that biological and chemical responses to nitrate supplementation can optimize an organism’s health and its commercially significant bioactive potential. Furthermore, given its ability to absorb high doses of nitrate, this alga can be cultivated in eutrophic zones or even in out-/indoor tanks, becoming an excellent option for integrated multi-trophic aquaculture (IMTA) and bioremediation.
Keywords: antioxidant activity; bioremediation; cosmetic; macroalgae; mycosporine-like amino acids; nitrate assimilation antioxidant activity; bioremediation; cosmetic; macroalgae; mycosporine-like amino acids; nitrate assimilation

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MDPI and ACS Style

Pereira, D.T.; Korbee, N.; Vega, J.; Figueroa, F.L. The Role of Nitrate Supply in Bioactive Compound Synthesis and Antioxidant Activity in the Cultivation of Porphyra linearis (Rhodophyta, Bangiales) for Future Cosmeceutical and Bioremediation Applications. Mar. Drugs 2024, 22, 222. https://doi.org/10.3390/md22050222

AMA Style

Pereira DT, Korbee N, Vega J, Figueroa FL. The Role of Nitrate Supply in Bioactive Compound Synthesis and Antioxidant Activity in the Cultivation of Porphyra linearis (Rhodophyta, Bangiales) for Future Cosmeceutical and Bioremediation Applications. Marine Drugs. 2024; 22(5):222. https://doi.org/10.3390/md22050222

Chicago/Turabian Style

Pereira, Débora Tomazi, Nathalie Korbee, Julia Vega, and Félix L. Figueroa. 2024. "The Role of Nitrate Supply in Bioactive Compound Synthesis and Antioxidant Activity in the Cultivation of Porphyra linearis (Rhodophyta, Bangiales) for Future Cosmeceutical and Bioremediation Applications" Marine Drugs 22, no. 5: 222. https://doi.org/10.3390/md22050222

APA Style

Pereira, D. T., Korbee, N., Vega, J., & Figueroa, F. L. (2024). The Role of Nitrate Supply in Bioactive Compound Synthesis and Antioxidant Activity in the Cultivation of Porphyra linearis (Rhodophyta, Bangiales) for Future Cosmeceutical and Bioremediation Applications. Marine Drugs, 22(5), 222. https://doi.org/10.3390/md22050222

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