Preliminary evaluation of five elephant grass cultivars harvested at different time for sugar production

Yuanyuan Li; Yelong Zhang; Hongbo Zheng; Jian Du; Hongman Zhang; Juanzi Wu; He Huang

doi:10.1016/j.cjche.2015.04.016

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Preliminary evaluation of five elephant grass cultivars harvested at different time for sugar production

生物技术与生物工程 | Updated：2026-01-06

- Preliminary evaluation of five elephant grass cultivars harvested at different time for sugar production
- Chinese Journal of Chemical Engineering Vol. 23, Issue 7, Pages: 1188-1193(2015)
- Affiliations：
  
  1. 2 China State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University,Nanjing,China,210009
  2. 3 Institute of Animal Science, Jiangsu Academy of Agricultural Sciences,Nanjing,China,210014
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.04.016
  CLC：
- Published：2015
- Accepted：
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Yuanyuan Li, Yelong Zhang, Hongbo Zheng, Jian Du, Hongman Zhang, Juanzi Wu, He Huang. Preliminary evaluation of five elephant grass cultivars harvested at different time for sugar production[J]. Chin.J.Chem.Eng., 2015, 23(7): 1188-1193.
DOI：

Yuanyuan Li, Yelong Zhang, Hongbo Zheng, Jian Du, Hongman Zhang, Juanzi Wu, He Huang. Preliminary evaluation of five elephant grass cultivars harvested at different time for sugar production[J]. Chin.J.Chem.Eng., 2015, 23(7): 1188-1193. DOI： 10.1016/j.cjche.2015.04.016.

摘要

Abstract

Five elephant grass cultivars

Pennisetum purpureum. cv. Huanan (Huanan)

P. purpureum. cv. N51 (N51)

P. purpureum. cv. Sumu No. 2 (Sumu-2)

(Pennisetum americanum × P. purpureum) × P. purpureum cv. Guimu No. 1 (Guimu-1) and P. americanumcv. Tift23A × P. purpureum cv. Tift N51 (Hybrid Pennisetum)

at three harvest stages were studied. With dilute sulfuric acid pretreatment followed by enzymatic hydrolysis

it is found that cellulose conversion of the five elephant grass cultivars harvested in August and September is higher than that harvested in October. The cellulose conversion for elephant grass cultivars harvested in August and September follows an order of Hybrid Pennisetum Sumu-2 Huanan Guimu-1 N51. This may be explained by the fact that lignification is gradually strengthened with time

inhibiting degradation of cellulose and hemicellulose. Moreover

cellulose conversions of Hybrid Pennisetum

Sumu-2 and Huanan harvested in August and September are higher based on hierarchical clustering results.

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