Prachuabkerikhan province is the number one coconut producer
of Thailand. In 2008, 434,719 tons or 29.3% of the total coconut
produced in Thailand were that produced by Prachuabkerikhan
(Office of Agricultural Economics, 2008). Approximately 2% of
coconut produced in Prachuabkerikhan province was employed
annually to produce virgin coconut oil by natural fermentation.
Typically, fermentation starts by mixing coconut milk with boiled
water at 1:1 (w/w) ratio and left to stand at room temperature
for 24 h leading to more or less yield of 20% virgin coconut oil
while the rest consisting of coconut whey and wastewater, i.e.,
80%, was considered wastes. Annually, total amount of wastewater
originated from virgin coconut oil production of 560 cubic meters
was approximated (Fuangworawong et al., 2008). Presently, such