Atauro Island Farinograph analysis Glutathione Heavy metals Kappaphycus alvarezii Lesser Sunda Islands Nemipterus peronii Oxidative stress Pacific Ocean Paraphilometroides nemipteri Proximate composition Seaweed Sensory evaluation Soft roll South China Sea Sunda Isles Texture analysis Timor Timor-Leste arsenic article ash bioaccumulation bulk density carbohydrate analysis dietary fiber dough drug formulation heavy metal moisture