Production of D6,7-anhidroeritromisin-A from Saccharopolyspora erythraea ATCC 11635 culture - ., Khairan; Departement of Science and Mathematic, Syiah Kuala University Jl. Tgk. Tanoh Abee, No. 3, Darussalam, Banda Aceh, Region Code: 23111 Fax/Phone: 0651-7555264 (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2008)