sea bird nest or eucheuma cottonii seaweed being cleaned with water inside a container. it is used as traditional chinese medicine

collagen jelly fibre iron calcium mineral enzyme nutrients coral grass chinese medicine malaysia sabah sea bird nest seaweed salad farm organic aquatic farming agriculture tropical harvest dried weeds ocean closeup natural plant nature white carrageenan edible steamed seaweeds food outdoor season seeds water coast traditional eucheuma cottonii cleaned inside container used improve joint remove toxin