| RRC ID |
56483
|
| 著者 |
Mathiot C, Ponge P, Gallard B, Sassi JF, Delrue F, Le Moigne N.
|
| タイトル |
Microalgae starch-based bioplastics: Screening of ten strains and plasticization of unfractionated microalgae by extrusion.
|
| ジャーナル |
Carbohydr Polym
|
| Abstract |
Microalgae were considered in this work as a new resource for developing starch-based bioplastics. Ten green microalgae strains were screened at lab-scale for their ability to produce starch. A long run (800 h) two-stage accumulation strategy was designed with successive cultivation in sulfur-replete, then sulfur-depleted medium in autotrophic conditions. Starch content was assessed on cell lysate by enzymatic digestion of extracted starch into glucose. Chlamydomonas reinhardtii 11-32A strain was selected as it displayed a maximum starch-to-biomass ratio of 49%w/w, 460 h after being switched to a sulfur-deprived medium. Small-scale pilot production (30 L tubular photobioreactor) with C. reinhardtii 11-32A yielded sufficient biomass quantity to investigate its direct plasticization with glycerol in a twin-screw extruder. Microstructural characterization confirmed the ability for starch-enriched microalgae to be homogeneously plasticized, and hence the possibility to use microalgae as a new platform for the development of bioplastics.
|
| 巻・号 |
208
|
| ページ |
142-151
|
| 公開日 |
2019-3-15
|
| DOI |
10.1016/j.carbpol.2018.12.057
|
| PII |
S0144-8617(18)31503-0
|
| PMID |
30658785
|
| IF |
6.044
|
| 引用数 |
15
|
| リソース情報 |
| 藻類 |
NIES-94
NIES-227
NIES-2152
NIES-2173
NIES-2195
NIES-2280 |
