Fig. 2. Relative weight loss as a function of degradation time in soil burial;
(a) Lec 40, Lec 60, Lec 70 are abbreviated from Lecitase Ultra with its percentage of the synthesized PLA;
(b) Lipo 40, Lipo 60, Lipo 70 are abbreviated from Lipozyme TL IM with its percentage of the synthesized PLA.