ðə pɹˈɑːpɚɾiz ʌv pˌiːˌɛlˈeɪ dᵻpˈɛnd ɔnðə ɹˈeɪʃɪˌoʊ ʌvðə tˈuː ˈɑːptɪkəl ˈaɪsəmɚz ʌv lˈækteɪt dˈiːlˈækteɪt ænd ˈɛllˈækteɪt.
The properties of PLA depend on the ratio of the two optical isomers of lactate (D-lactate and L-lactate).