Do you know how to distinguish food fit for human consumption?
If food you are going to consume comply to food standard: i.e free from physical, chemical and biological contaminations, and are prepared according to FDA standard then
with some analysis evidences, you are the smart consumer.
Does edible birdnest EBN fit for human consumption? Yes, if you can comply to the Haccp Analysis.
"Can you remove heavy metals like mercury, lead, cadmium, arsenic, copper, ...from edible birdnest?". The mentioned heavy metals caused by mismanagement of house swiflet farms by spraying insecticide and pesticide to get rid of ticks, croaches, ants, mosquitoes, lizards, rodents etc. With evidences, contaminated birdnest is not fit for human consumption.
Critical Control Points started from the very beginning of ranching. Well control food raw materials must not be contaminated by any means. By spraying chemical to remove pests and others living things in the farms is highly prohibited.