Table 2.

List of reflection from 2D X-ray diffraction diagrams collected from samples of Loligo vulgaris gladius untreated (wt) and treated in reflux with a 1.0 M NaOH solution for different times: 2 h, 6 h and 24 h. The reflections of the untreated samples are indexed according to a monoclinic unit cell (a = 4.85 Å, b = 9.26 Å, c = 11.1 Å (fiber axis), and γ = 97.5°; space group P2₁). The periodicity associated to each reflection is indicated in Å and the relative intensity is indicated in parenthesis.

	wt		2 h		6 h		24 h
	wet	Dry	wet	dry	wet	dry	wet	dry
(010)	11.1 (m)	11.1 (m)	-	12.0 (m)	12.4 (vw)	12.0 (w)	12.7 (w)	12.3 (w)
(100) (1ī1)	4.6 (s)	4.6 (s)	-	4.6 (m)	-	4.6 (s)	4.6 (vw)	4.6 (w)
(110)	4.2 (m)	4.2 (w)	-	4.2 (ww)	-	4.2 (ww)	4.2 (vw)	4.2 (vw)
(001)	-	10.1 (vw)	-	10.1 (vw)	-	10.1 (vw)	-	10.1 (w)
(002)	5.1 (m)	5.1 (s)	5.1 (w)	5.1 (m)	5.1 (w)	5.1 (m)	5.1 (m)	5.1 (m)
(013)	3.3 (w)	3.3 (m)	3.3 (vw)	3.3 (w)	3.3 (w)	3.3 (m)	3.3 (s)	3.3 (m)
(004)	2.56 (vw)	2.56 (w)	-	2.56 (vw)	-	2.56 (w)	2.56 (vw)	2.56 (vw)
a. r.	4.0 (vw)	4.2 (vw)	4.0 (s)	4.2 (w)	3.7 (m)	4.2 (w)	3.7 (m)	4.4 (vw)

The relative intensity of the reflections is scaled as strong (s), medium (m), weak (w) and very weak (wv). a. r. indicates amorphous ring. - indicates the absence of a detectable reflection.