Hj. Daniel et al., SOPHOROLIPID PRODUCTION WITH HIGH YIELDS ON WHEY CONCENTRATE AND RAPESEED OIL WITHOUT CONSUMPTION OF LACTOSE, Biotechnology letters, 20(8), 1998, pp. 805-807
Sophorolipids were produced by single-step batch cultivation of Candid
a bombicola ATCC 22214 on deproteinized whey concentrate and repeated
feed of rapeseed oil. A mild sterilization method for whey was develop
ed. High yields of 280 g dry sophorolipids l(-1) were obtained from de
proteinized whey concentrate containing 100 g lactose l(-1) and 300 g
rapeseed oil l(-1). Surprisingly, the whey lactose was not consumed by
the organism. Growth only on the oil was assumed and a high lipase ac
tivity of 24 U per g cell dry weight resulted.