Sex: Female


  • University of Santo Tomas, Manila, BS Pharmacy (magna cum laude), 1952
  • University of the Philippines, Diliman, Quezon City, MS Pharmaceutical Chemistry, 1958
  • Hochschule for Bodenkultur U of Agriculture and Forestry, Dok. d. Agrik. Food and Technology, 1975

Field of Specialization:

Food Technolgy, Fermentation Technology


Joson, L.M., (1958) Further studies on the alkaloids of Phaeanthus obrecteolatus (Presl.) Merrill. Preparation of two new quaternary phaenthine salts.
Thesis, MS Pharmaceutical Chemistry, University of the Philippines, Quezon City

Gamolvej, S.K. Reyes, F.R. Joson, L.M., (1958) Isolation of crystaaline compound from the roots of Tinomiscium philippinense Diels.
Philippine Pharmaceutical Association Journal Volume 45, No. (10):

Joson, L.M., (1961) Alkaloids of Voacanga globosa (Balanco) Merr.: a preliminary report.
Proceedings, Symposium on Phytochemistry, University of Hongkong Golden Congress

Joson, L.M., (1963) Alkaloids de la Tabernaemontana pandacaqui Poir. Aislamiento de la coronaridina.
Anales de la Real Academio de Farmacia Volume 391

Joson, L.M., (1965) Growth and inhibitory substances produced by microorganisms from mushroom compost and their effect on Agaricus bisporus.
Thesis, MS, Massachusetts Institute of Technology, Cambridge, Mas. USA.

Joson, L.M. Santos, P.S. Librea , J.R. Bernardo, Z.P., (1968) Antibiotics from actinomycetes I. Isolation and identification of an actinomycin complex produced by a local streptomyces.
Proceedings of the National Science and Technology Week, Manila, 1968

Sevilla-Santos, P. Joson, L.M., (1969) Studies on Philippine lichens I. Chemical constituents of Physicia albicans (Per,) Thoms, and Physia picta (Sw Nyl.)
Philippine Journal of Science , No. (1):

Palo, N.D. Joson, L.M. Vilela, L.C., (1970) Quick generator process of vinegar production from coconut water.
NIST Publication

Joson, L.M., (1970) Toxicity studies on locally-isolated actinomycine. II. Effect on the hematopoietic system of the rat.
Manila Medical Society Journal Volume 9

Joson, L.M., (1971) Utilization of microorganisms for the production of food and metabolites in the Philippines, use of radiation and radioisotopes for industrial microorganism.
Proceedings, IAEA Symposium, Vienna, Austria

Joson, L.M., (1973) Problem sei der auswahl von Hefemutanten fur die production organischer Sauren.
Jahrfier, Hochshule fur Bodenkultur, Vortrage der Studienrichtung, Lebensmittel and Garungstecnologie Volume 271

Joson, L.M., (1973) Uber die auswahl von mutanten sur uberproduktion von citronen saure bei Candida and Hansenula.
Dissertation fur Doktorat d. Agrik.,, Hochschule fur Bodenkultur, Vienna, Austria

Joson, L.M., (1978) Alcohol production from starchy materials.
NRCP Bulletin Volume 71

Joson, L.M. Palo, N.D. Cunanan, L.F., (1978) Citric acid production from molasses by Aspergillus niger.
Kalikasan, Philippine Journal of Biology Volume 7, No. (3):

Joson, L.M., (1978) Mutant selection of yeast for citric acid overproduction.
Kalikasan, Journal of Biology Volume 7, No. (1):

Joson, L..M., (1977) Recent developments in local fermentation technology.
Proceedings, 13th Annual Convention of the Philippines, Manila

Joson, L.M., (1978) Researches on industrial microbiology in the Philippines.
Proceedings, Symposium on Microbiological Research and Technology, Manila

Joson, L.M. Palo, N.D. Chua, E.N., (1978) Utilization of agricultural waste for yeast production.
Kalikasan, Philippine Journal of Biology Volume 7, No. (3):

Joson, L.M., (1981) Pharmacogenetic studies on locally-isolated actinomycin using rabbits.
NRCP Research Bulletin

Sevilla-Santos, P. Joson, L.M., (1981) Studies on Philippine lichens, IV. Chemical constituents of Crocynia membranacea (Dicks) Zahler.
Acta Manilana Volume 30, No. (20):

Joson, L.M., (1981) Toxicity studies on actinomycin (S-67-3) in rabbits.
NRCP Research Bulletin

Joson, L.M. Kintanar, Q.L. et al., (1983) Production and biosynthesis of the tetracylines by improved mutant strains of a local streptomyces S-70, 270.
NIST Annual Report

Joson, L.M,, (1983) Recent developments in fermentation technology in the Philippines.
Proceedings, 2nd ASEAN Seminar on Fermentation Technology

Vilela, L.C. Mercado, J.M., (1983) Survey of soils and endogenous fruits and vegetables an the greater Manila Area for citric acid producing yeasts.
NSTA Technology Journal Volume 8, No. (4):

Mendoza, N.S. Joson, L.M., (1986) Isolation, selection and characterization of cellulose-degrading fungi.
Philippine Journal of Science Volume 115, No. (1):

Palo, N.D. Joson, L.M., (1987) Isolation and screening of fungi strains with gibberellin-like activities.
Philippine Journal of Science Volume 116(2)

Mendoza, N.S. Joson, .M., (1987) Production of thermostable alpha-amylase by a local strain fo Bacillus sublitis.
Philippine Technology Journal Volume 12, No. (4):


  • Magna cum laude, BS Pharmacy, UST, 1952
  • USAID Awardee in Industrial Microbiology, MIT, 1963
  • Research Fellowship on Industrial Microbiology, MIT, 1964
  • Research Fellowship on Antibiotics Research, RK, Tokyo, Japan, 1965
  • Fellows on Industrial Fermentation, UNDP, 1970
  • Fellows o Radiation Genetics of Industrial Microorganisms, IAEA, 1972-1974
  • Professorial awardee in the Field of Research, USTPAA, 1979
  • Ist Prize Presidential Awardee in Creative Research in Chemistry, PIDI, 1984
  • 1st Prize 1983 Outstanding Research Award, NSTA, 1984
  • Research Chair in Fermentation Technology, UPAA-NIST Chapter-IRF Inc,, 1984-1985
  • Consolation Prize in Creative research, 20th national Inventors week, 1986
  • 2nd Prize, 1987 Outstanding Research award, DOSt, 1987