Term: saprophyte https://doi.org/10.1351/goldbook.S05470 Definition: A microorganism that feeds on dead and decaying organic matter. Saprophytes excrete enzymes that digest organic residues externally, the low molecular weight compounds formed then being absorbed. Related Terms: 1) enzymes (http://doi.org/10.1351/goldbook.E02159). 2) molecular weight (http://doi.org/10.1351/goldbook.M04000). Source: PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 165 (https://doi.org/10.1351/pac199264010143) Citation: 'saprophyte' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.S05470 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.