Lipase Rhizopus japonicus

Five membered, unsubstituted, lactone 7-butyrolactone (y-BL) was polymerised by PPL or PCL [16, 73] into small oligomers with a degree of polymerisation (DP) of 8-11. In the Pseudomonas sp, lipase catalysed polymerisation of y-VL and y-CL, less than 10% conversion was observed at 60 °C for 480 hours [75]. Unsubstituted and substituted six membered lactone 6-valerolactone (6-VL) [26, 69, 79-80] and a-methyl-6-valerolactone (MVL) [81] were polymerised using Rhizopus japonicus lipase, CCL, PFL, PPL and CAL enzymes. For unsubstituted 5-VL, the reactions were run for 5-10 days and the highest molecular weights obtained were in the range of 2,000 Da. CAL catalysed polymerisation of a-methyl-6-valerolactone yielded polyester with a M of up to 11,400 at 60 °C in 24 hours. 

Chi et al. (1988) Batch Esterification of triolein using stearic acid Lipases from Rizopus delemar, Rhizopus japonicus, Alcaligenes sp., and Mucor miehei... 

Nakamura et al. (1990) studied the esterification of triolein with stearic acid using four different lipases Mucor miehei, Rhizpous delmar, Alcaligenes sp. and Rhizopus japonicus. They varied the water content of the system... 

Aisaka, K., Terada, O. 1979. Production of lipoprotein lipase and lipase by Rhizopus japonicus. Agric. Biol. Chem. 43, 2125—2129. 

Rhizopus delemar Rhizopus japonicus Alcaligenes sp. Mucor miehei lipases CO2 triolein + stearic acid 290 bar 50 °C [46,47]... 

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