Assertion: carotenoid | /r/HasProperty | porphyrin
Facets:
Source sentences:
text: Raman spectroscopy is also an excellent technique to detect other pigments of relevance for geoscience, bioscience and astrobiology and to distinguish between carotenoids and non-polyene pigments (e.g. porphyrins, scytonemins, mycosporine-like amino acids) as was repeatedly shown .