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Surface tension curves were measured using the Wilhelmy method for the monoacyl glycerols, erythritols and xylitols with the acyl chain lengths of 8, 10, 12 and 14 at 25, 32 and 39°C. The curves were also measured for the monolauroyl esters of arabitol, ribitol and sorbitol. The critical micelle concentration, CMC, for a series of sugar alcohol esters with different acyl chains decreased as the chain...
Saturated acyl (6-O-caproyl, lauroyl, and myristoyl) and unsaturated acyl (6-O-oleoyl, linoleoyl, and arachidonoyl) l-ascorbates were continuously synthesized at 50°C using a system where a column packed with ascorbic acid powder and a packed-bed reactor with an immobilized lipase from Candida antarctica were connected in series. A productivity of 1.6–1.9 kg/L reactor·d was achieved for at least 11...
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