Pretreatment and saccharification of red macroalgae to produce fermentable sugars

Eun Ju Yun, Hee Taek Kim, Kyung Mun Cho, Sora Yu, Sooah Kim, In-Geol Choi, Kyoung Heon Kim

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Red macroalgae are currently considered as renewable resources owing to their high carbohydrate and low lignin and hemicellulose contents. However, utilization of red macroalgae has been limited owing to the lack of established methods for pretreatment and an effective saccharification system. Furthermore, marine red macroalgae consist of the non-favorable mixed sugars for industrial microorganisms. In this review, we suggest strategies for converting red macroalgae to bio-based products, focusing on the pretreatment and saccharification of red macroalgae to produce fermentable sugars and the microbial fermentation of these sugars by industrial microorganisms. In particular, some recent breakthroughs for the efficient utilization of red macroalgae include the discovery of key enzymes for the complete monomerization of red macroalgal carbohydrate and the catabolic pathway of 3,6-anhydro-L-galactose, the most abundant sugar in red macroalgae. This review provides a comprehensive perspective for the efficient utilization of red macroalgae as sustainable resources to produce bio-based products.

Original languageEnglish
Pages (from-to)311-318
Number of pages8
JournalBioresource Technology
Volume199
DOIs
Publication statusPublished - 2016 Jan 1

Fingerprint

Saccharification
Sugars
sugar
Carbohydrates
Microorganisms
carbohydrate
microorganism
Lignin
renewable resource
Galactose
Fermentation
lignin
fermentation
Enzymes
enzyme
resource
product

Keywords

  • Agar
  • Carrageenan
  • Pretreatment
  • Red macroalgae
  • Saccharification

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Pretreatment and saccharification of red macroalgae to produce fermentable sugars. / Yun, Eun Ju; Kim, Hee Taek; Cho, Kyung Mun; Yu, Sora; Kim, Sooah; Choi, In-Geol; Kim, Kyoung Heon.

In: Bioresource Technology, Vol. 199, 01.01.2016, p. 311-318.

Research output: Contribution to journalArticle

Yun, Eun Ju ; Kim, Hee Taek ; Cho, Kyung Mun ; Yu, Sora ; Kim, Sooah ; Choi, In-Geol ; Kim, Kyoung Heon. / Pretreatment and saccharification of red macroalgae to produce fermentable sugars. In: Bioresource Technology. 2016 ; Vol. 199. pp. 311-318.
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