title: Simultaneous saccharification and fermentation (SSF) of jackfruit seed powder (JFSP) to l-lactic acid and to polylactide polymer.
abstract: A newly isolated amylolytic lactic acid bacterium, Streptococcus equinus, was used for the production of l-lactic acid from jackfruit seed powder (JFSP) by simultaneous saccharification and fermentation (SSF). After optimization of shake flask fermentation by a response surface box-behnken design, the maximum lactate titer was 109g/L from 200g/L jackfruit seed powder. Amberlite IRA67, a weak base resin, was used to recover pure lactic acid from fermented broth and subsequently used for the synthesis of polylactic acid by direct condensation polymerization method with a yield of 62%.
authors.affiliation: Biotechnology Division, National Institute for Interdisciplinary Science and Technology, CSIR, Trivandrum 695019, India.
authors.forename: Nimisha Rajendran
authors.initials: NR
authors.lastname: Nair
authors.affiliation: Biotechnology Division, National Institute for Interdisciplinary Science and Technology, CSIR, Trivandrum 695019, India. Electronic address: madhavan85@hotmail.com.
authors.forename: K Madhavan
authors.initials: KM
authors.lastname: Nampoothiri
authors.affiliation: Agricultural and Food Engineering Department, IIT, Kharagpur, India.
authors.forename: Rintu
authors.initials: R
authors.lastname: Banarjee
authors.affiliation: Department of Microbiology, UCS, Osmania University, Hyderabad, India.
authors.forename: Gopal
authors.initials: G
authors.lastname: Reddy
mesh_terms: D031622:Artocarpus / Q000737:chemistry* / Q000378:metabolism; D002852:Chromatography, Ion Exchange; D005285:Fermentation; D019344:Lactic Acid / Q000096:biosynthesis* / Q000302:isolation & purification; D011091:Polyesters / Q000378:metabolism*; D011208:Powders; D012117:Resins, Synthetic / Q000737:chemistry; D012639:Seeds / Q000737:chemistry / Q000378:metabolism; D013291:Streptococcus / Q000378:metabolism*
chemical_list: D011091:Polyesters; D011208:Powders; D012117:Resins, Synthetic; D019344:Lactic Acid; C033616:poly(lactide); C046797:amberlite
keywords: Bioplastic; Jackfruit seeds; Lactic acid; Polylactide; Streptococcus equinus