Acceleration of maturity of young sorghum (kaoliang) spirits by linking nanogold photocatalyzed process to conventional biological aging-a kinetic approach

Accelerated maturation of young spirits

Li Yun Lin, Robert Y. Peng, Chiung Chi Peng, Hui Er Wang, Chao Ming Chuang, Tung Hsi Yu, Kuan Chou Chen, Wen Ta Chiu

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

With an aim to effectively shorten the ageing period and reduce process cost, a nanogold photocatalyzed process was developed. This process successfully accelerated maturity of young sorghum spirit less than 120 min at ambient temperature. Process parameters relevant to process design were determined to be (1) the amount of acetic acid (≥1.53 g/100 ml); (2) an operation temperature ≤37°C; (3) a degree of mineralization ≤4.87%. Kinetic analysis indicated that to cautiously control dissolved oxygen (DO) to facilitate optimum production of hydroxyl free radical [-OH] could be a crucial step, while the kinetic equations elucidated to indicate production of ethyl acetate and acetic acid could be applicable to reactor scale-up. More importantly, this process provides several benefits including container-saving, spacesaving, labor-saving, and no storage-loss due to evaporation; hence, a huge amount of cost reduction (20-24%) in a 4-year aging period could be attainable for each batch cycle.

Original languageEnglish
Pages (from-to)234-245
Number of pages12
JournalFood and Bioprocess Technology
Volume1
Issue number3
DOIs
Publication statusPublished - 2008

Fingerprint

Sorghum
Acetic acid
Acetic Acid
acetic acid
Aging of materials
kinetics
Costs and Cost Analysis
Kinetics
Temperature
Dissolved oxygen
Cost reduction
Free radicals
Hydroxyl Radical
dissolved oxygen
Free Radicals
Containers
containers
evaporation
Process design
ambient temperature

Keywords

  • Free radical-accelerated maturation
  • Kinetic analysis
  • Nanogold catalyst
  • Spirit ageing

ASJC Scopus subject areas

  • Food Science
  • Process Chemistry and Technology
  • Safety, Risk, Reliability and Quality
  • Industrial and Manufacturing Engineering

Cite this

Acceleration of maturity of young sorghum (kaoliang) spirits by linking nanogold photocatalyzed process to conventional biological aging-a kinetic approach : Accelerated maturation of young spirits. / Lin, Li Yun; Peng, Robert Y.; Peng, Chiung Chi; Wang, Hui Er; Chuang, Chao Ming; Yu, Tung Hsi; Chen, Kuan Chou; Chiu, Wen Ta.

In: Food and Bioprocess Technology, Vol. 1, No. 3, 2008, p. 234-245.

Research output: Contribution to journalArticle

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