Species

% DW

Analysis

Season& site

Refs

P. dioica

24.2

TAA

Oct 2014 Norway

[79]

P. purpurea

15.9

TAA

Oct 2014 Norway

[79]

P. umbilicalis

17.7

TAA

Oct 2014 Norway

[79]

P. acanthophora

18.6

TAA

Jun-Sep 1998 Brazil

[80]

P. umbilicalis

31.8

TAA

Apr 2016 Sweden

[81]

P. vietnamensis

16.5

Lowry

Feb 2002 Hawai’i

[108]

Porphyra sp.

24.8

Kjehldahl (× 6.25)

Jan 2007 São Miguel

[78]

Porphyra sp

24.1

Kjehldahl (× 6.25)

Aug 2001 Portugal

[109]

P. dioica

9.4 -21.52

Kjehldahl (× 5.0)

Jul ’14-’15 Ireland

[91]

Porphyra spp

32.7

Kjehldahl (× 6.25)

Australia

[110]

Py. haitanensis

29.4

Kjehldahl (× 6.25)

China

[88]