The whole processing area was cleaned carefully and fumigated
with formaldehyde and potassium chromate two days before processing.
On the day of filtration the tender coconuts were washed
with tap water to remove the surface dust and dipped in 300 mg/L
sodium hypochlorite solution to sanitize. All the processing equipments
used were sterilized in an autoclave at 103.42 KPa for 15 min