# Advanced Extraction Techniques and Physicochemical Properties of Carrageenan from a Novel Kappaphycus alvarezii Cultivar

*PRI Rank #6 · Topics and Trends in Most Cited Marine and coastal plant biology Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/marine-and-coastal-plant-biology/2026/rank-6*

| Field | Value |
| --- | --- |
| Rank | #6 |
| 18m citations | 35 |
| Journal | Marine Drugs |
| Year | 2024 |
| DOI | 10.3390/md22110491 |
| Corresponding authors | Leonel Pereira |
| Institution | University of Coimbra, Portugal |

**Ranking page:** [Topics and Trends in Most Cited Marine and coastal plant biology Papers, Class of 2026](https://pri.pepkio.com/top-papers/marine-and-coastal-plant-biology/2026)

**Paper link:** [10.3390/md22110491](https://doi.org/10.3390/md22110491)

## Topics

kappa-carrageenan · Kappaphycus alvarezii · Ultrasound-assisted extraction · supercritical water extraction (SFE) · alkaline extraction · FTIR spectroscopy · Marine polysaccharides · semi-refined carrageenan (SRC) · refined carrageenan (RC) · KOH treatment · NaOH treatment · carrageenan viscosity · Extraction yield · Marine polysaccharides · Rhodophyta · fatty acid content · EFSA carrageenan re-evaluation · food additive safety

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Marine and coastal plant biology Papers, Class of 2026. https://pri.pepkio.com/top-papers/marine-and-coastal-plant-biology/2026. Accessed 2026-07-24.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```