Bienvenido Juliano

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Bienvenido O. Juliano (born August 15, 1936) is a National Scientist who focused on the properties of starch and protein in relation to rice grain quality. He is one of the 1964 TOYM Awardees for Science.

Career and Contributions

Dr. Juliano was in charge of grain quality research at the International Rice Research Institute (IRRI) from 1961-1993, and he contributed much to the basic knowledge in differences between varieties of grain quality of rice. He showed that the amylose content of starch determines the quality of milled rice in Asia. In addition, he also developed new and improved methods for grain quality evauluation. He continues his rice research as a senior consultant at the Philippine Rice Research Institute (PhilRice) Los Baños since his voluntary retirement from IRRI in June 1993.

Juliano is author or co-author of over 370 scientific papers on rice chemistry and quality and edited and contributed to several chapters of the 2nd edition of the American Association of Cereal Chemists (AACC) monograph "Rice Chemistry and Technology" in 1985; wrote "Rice Chemistry and Quality" for PhilRice in 2003; "Rice in Human Nutrition" for FAO in 1993; and compiled IRRI quality data on world rice. His IRRI laboratory trained chemists from national rice breeding programs of many countries. He was MS and PhD theses adviser to scholars, fellows and research assistants; several post doctoral fellows and visiting scientists did research in his laboratory.

A world authority on rice grain quality, Juliano has been recipient of many awards and citations, including the Ten Outstanding Young Men Award in Science in 1964, the JP Rizal Pro Patria Award for Rice Chemistry in 1976, the Japanese society of Starch Science Medal of Merit in 1982, the Thos B. Osborne Medal Award from the AACC in 1988, the National Research Council of the Philippines National Researcher Award in Physical Sciences in 1993, the ASEAN Outstanding Scientist and Technologists Award in 1998, and the Rank and Title of National Scientist conferred by the President of the Philippines in 2000. In 2004, he was included in the Institute of Scientific Information Highly Cited Researchers. He was part of the Editorial Board of Journal of Cereal Science and Food Reviews International.


  • B.S.A., University of the Philippines, Los Baños, 1955
  • M.S. (Organic Chemistry), Ohio State University, Columbus, 1958
  • Ph.D. (Organic Chemistry), Ohio State University, Columbus, 1959


  • Gorgonio, Luis (1998). The Filipino Scientists. Loacan Publishing House.