Higher accumulation of mitragynine in Mitragyna speciosa (kratom) leaves affected by insect attack - Nisa Leksungnoen; Tushar Andriyas; Rossarin Tansawat; Pichaya Pongchaidacha; Piyawadi Khaoiam; Thanundorn Thanusuwannasak; Chatchai Ngernsaengsaruay; Chawatat Thanoosing; Suwimon Uthairatsamee (PLoS ONE, 2025)