Table 2.

Stability of color and fluorescence of the pigments isolated from A. sulcata

Treatment	65°C/5 min	80°C/5 min	95°C/2.5 min	1% SDS	8 M Urea	pH 5.5	pH 11	200 mM β-Mercaptoethanol	Mineral oil	4% Paraformaldehyde
asFP499/522*	+++++	+	+	+++ (502 nm)†	+++++	+++	++ (509 nm)†	+++++	++++	(d.)
asFP595*	+++++	++++	++	++	++++ (600 nm)†	+++	+	+++++	+++++	(d.)
asCP562	(d.)	(d.)	(d.)	(d.)	(d.)	(d.)	(n.d.)	(d.)	(d.)	(d.)

(d.), Color detectable; (n.d.), color not detectable. 

^*Values are given as % of the peak maximum as compared to untreated samples: +++++ = >90%; ++++ = 75–79%; +++ = 30–35%; ++ = 15–20%; + = <10%. 

^† Shifts of emission maximum caused by the treatment, points of reading.