Table 5.

Seaweeds proteins and their roles in medicinal.

Component	Properties/Activities	Seaweed	Doses	Molecular Weight	References
Peptide PPY1	Anti-aging	Pyropia yezoensis	250–1000 ng mL−1	532 Da	[100]
Peptides PYP1-5 and porphyra 334	Boost synthesis of elastin	Porphyra yezoensis f. coreana Ueda	0–200 μM	1622 kDa	[101]
Lactate and progerin	Reduce synthesis, anti-elastase, anti-collagenase	Alaria esculenta	-	112 KDa	[102]
Phycobiliproteins	Antioxidant	Gracilaria gracilis	0.5–30 mg mL−1	240 KDa	[103]
Deoxygadusol, palythene and usujirene	Antioxidant	Rhodymenia pseudopalmata	-	-	[104]
Palythine, palythinol, porphyra-334, asterina-330, shinorine, or usujirene	Antioxidant, antiproliferative	Palmaria palmate, Mastocarpus stellatus, Chondrus crispus	2.0–4.0 mg mL−1	244.24 KDa	[105]
Porphyra-334, shinorine, palythine and asterina-330	Antioxidant; UV-protective effect	Gracilaria vermiculophylla	-	346.33 KDa	[106]