Pyrroloquinoline quinone (pqq) anti-oxidative activity is mainly due to its ability to be reduced to PQQH2 through the reaction with reducing agents such as cysteine, glutathione or nicotinamide adenine dinucleotide phosphate (NADPH).
Pyrroloquinoline quinone (pqq) ກິດຈະກໍາຕ້ານການຜຸພັງສ່ວນໃຫຍ່ແມ່ນຍ້ອນຄວາມສາມາດຂອງມັນທີ່ຈະຖືກຫຼຸດລົງເປັນ PQQH2 ຜ່ານປະຕິກິລິຍາກັບຕົວແທນທີ່ຫຼຸດລົງເຊັ່ນ: cysteine, glutathione ຫຼື nicotinamide adenine dinucleotide phosphate (NADPH).