Oxygen absorbent composition and oxygen absorbent package using the same

An oxygen absorbent composition comprising at least one compound having a tetralin ring represented by the following formula (1) and a transition metal catalyst:

• wherein, in formula (1), R1 to R8 each independently represent a hydrogen atom or a monovalent substituent;
• the monovalent substituent is selected from the group consisting of a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a carboxyl group, an ester group, an amide group, a nitro group, an alkoxy group, an aryloxy group, an acyl group, an amino group, a mercapto group, an alkylthio group, an arylthio group, a heterocyclic thio group and an imide group;
• and these groups may further have a substituent(s).