Pengkasukunto, Nattakarn, Rattikarn Uasoontornnop, Yamaratee Jaisin, Nattaya Jansongsaeng, Pornphat Surasen, and Srisombat Puttikamonkul. 2026. “Protective Effects and Metal Chelating Activity of Bacterial Melanin Produced by Streptomyces Spectabilis”. Trends in Sciences 23 (5). Nakhon Si Thammarat, Thailand:12213. https://doi.org/10.48048/tis.2026.12213.