Table 4.

Metabolic composition of red exudate produced by two novel Penicillium species on MEA and PDA after 7 days of cultivation at 25 °C, as identified by LC–MS (El-Elimat et al., 2013, Paguigan et al., 2017).

Compound Name a	Molecular Formula	P. krskae		P. silybi
		PDA	MEA	PDA	MEA
2-hydroxyemodic acid	C15H8O8	−	−	+	−
(+)-2’S-Isorhodoptilometrin	C17H14O6	+	+	+	+
1’-Hydroxy-2’-ketoisorhodoptilometrin	C17H12O7	+	−	+	+
7-Chloro-1’-hydroxyisorhodoptilometrin	C17H13O7Cl	+ b	+	−	+
1’-Hydroxyisorhodoptilometrin	C17H14O7	+ b	+	+	+
2-Chloroemodic acid	C15H7ClO7	+ b	+	+	+
2-Chloro-isorhodoptilometrin *	C17H13O6Cl	+ b	+	−	+
2-Chloro-desmethyl dermoquinone *	C17H11O6Cl	+ b	+	−	+
7-Chlorocitreosein	C15H9ClO6	+ b	+	−	+
O-Demethyldermoquinone	C17H12O6	+	+	+	+
Emodic acid	C15H8O7	+	+	+	+
Emodin	C15H10O5	+	−	+	+
ω-Hydroxyemodin (citreorosein)	C15H10O6	+ b	+	+	+

^a In alphabetical order; * newly discovered compound; ^b elucidated also by nuclear magnetic resonance (NMR).