18 November, 2014

About I-Yuan Chiang

I-Yuan Chiang (please call me One Dollar, my nickname)

Assistant Professor, Department of Nutrition and Health Science, 
Kainan University, Taoyuan, Taiwan

Hi everyone, here is my homepage. 
If you can read traditional Chinese, check my page and blog


PhD: 2003 - 2008. Food ScienceCornell University, NYSAES (New York State Agricultural Experiment Station), Geneva campus, NY, USA.

MS: 2000 - 2002, Agricultural Chemistry, National Taiwan University, Taipei, Taiwan.
Thesis: Study on the Production of Poly-γ-glutamic acid by a mutant, Bacillus subtilis NTU 710

April 2002: Been awarded with the scholarship to study abroad from the Ministry of Education, Taiwan.

BS: 1994 - 1998. Department of Agricultural Chemistry, National Taiwan University, Taipei, Taiwan. (The department has renamed to Department of Biochemical Science & Technology since 2003)


Taiwanese (native)
Mandarin Chinese, traditional (native, official language in Taiwan)
English (as the second language)

Working Experiences

  • Mar 2011 - Jul 2012, temporary Department Chairman.
  • 2010 -  : Assistant Professor, Department of Nutrition and Health Sciences, Kainan University, Taoyuan, Taiwan
  • Jan - Jul, 2010: Postdoctoral fellow, Lab of Creative Commons (Taiwan).
  • Topic: Study on the open data policy of government funded research.
  • 2008 - 2009: Postdoctoral fellow, Research Center for Environmental ChangesAcademia Sinica. Taipei, Taiwan.
  • Topic: Establishing microbiological pre-treatments for analyzing nitrogen isotope ratio of environmental nitrate and nitrite.
  • 2002 - 2003: Teaching Assistant (full time) of Organic chemistry, Department of Chemistry, National Taiwan University, Taipei, Taiwan. (Then been awarded with the best TA)
  • 1998 - 2000: Military service (Conscription. Corporal, profession in 81 mm mortars)

Research Interests

  • Inhibiting drug resistant pathogens and mycotoxin-producing fungi by lactic acid bacteria.
  • Exopolysccharides (EPS) and active compounds of lactic acid bacteria. 
  • Developing fast quantification methods of EPS.
  • Applying open source hardware and software for temperature monitoring for food safety.


  • Study on the inhibition against molds and pathogenic yeasts. A research grant of Min-Sheng General Hospital(Co-PI, Jan  - Dec, 2015)

  • Isolation and characterization of lytic and lysogenic phages of multidrug resistant bacteria. A research grant of Min-Sheng General Hospital, Taiwan. (Co-PI, Jan - Dec, 2014)

  • Discovery and mechanism study of novel bacteriocins from lactic acid bacteria with the ability of inhibiting multidrug resistant pathogens. A research grant of the Ministry of Science and Technology, Taiwan (102-2 313-B-424-003-MY2 ) (PI, Oct 2013 - Jul 2015).

  • The inhibition of healthcare-associated infection pathogens by bacterial antimicrobial substances-- project of the second year. A research grant of Min-Sheng General Hospital. (Co-PI, Jan  - Dec, 2013).

  • The inhibition of healthcare-associated infection pathogens by bacterial antimicrobial substances-- project of the first year. A research grant of Min-Sheng General Hospital. (Co-PI, Jan - Dec, 2012).

  • A survey of consumers about how health foods affect people's dietary behaviors. Research project of the Ministry of Health and Welfare, Taiwan. (Co-I, Apr - Dec, 2012)


Open Textbook:
Comparisons of Codex Guidelines on Nutrition Labelling with Relevant Regulations of Taiwan and the United States (July 2022) (cataloged by the famous Open Textbook Library, University of Minnesota)

Open Textbook:
Understanding the “General Principles of Food Hygiene” (including GHP and HACCP) published in 2020 by Codex Alimentarius, and its applications on food industry and catering in Taiwan   (July 2021) (cataloged by the famous Open Textbook Library, University of Minnesota)

Growth inhibition of foodborne pathogens by Oenococcus oeni.

Chiang IY, Worobo RW, Churey JJ, Henick-Kling T. J Food Sci. 2012 Jan;77(1):M15-9. 

Identification of bacterial factors involved in type 1 fimbria expression using an Escherichia coli K12 proteome chip.
Chen YW, Teng CH, Ho YH, Jessica Ho TY, Huang WC, Hashimoto M, Chiang IY, Chen CS. Mol Cell Proteomics. 2014 Jun;13(6):1485-94.

Training and licenses

Computer skills
Besides common software and OS, he likes open source software (as Linux, LibreOffice and some applications)

And recently, he applies cloud application (like Google cloud services) into his teaching.


Food hygiene audits

He is a member and counselor of HACCP Development Association, Taiwan.

And  he helps counsel or audit food hygiene of organisations, including restaurants, food retailers, food additives sellers, and HACCP certified catering services.

Reviewer of the famous open access journal: PLOS ONE

Selected Memberships or Services

HACCP Association, Taiwan (GHP consultant, and food hygiene auditor)
OSSACC (Open Source Software Application Consulting Centre, Taiwan)


Food Microbiology
Food Safety and Regulations
Food Factory Management

Open Source

Besides the expertise in food microbiology and food safety, he has joined the community of open source/free software in Taiwan since 2007. He searches, translates, and introduces Open Source software into Taiwan for education.