Methods for Preparing Powder Chlorophyll a and Photosensitizer from Spirulina

摘要

PURPOSE: A method for preparing chlorophyll a and photosensitizer from sprirurina is provided to shorten process and ensure high purity. CONSTITUTION: A method for preparing gamma-(6-aminohexyl)folic acid-chlorine e6 of chemical formula 6 comprises: a step of reacting folic acid and tert-butyl-N-(6-aminohexyl)carbamate to prepare gamma-5{[tert-butyl-N-(6-aminohexyl)]carbamate folic acid}; a step of adding trifluoro-acetic acid to prepare gamma-(6-aminohexyl)folic acid; and a step of adding acid chlorine e6.