EVALUATION OF NATURAL PRODUCTS
Final rept. for 1 Jul 1963-30 Apr 1965
HAZLETON LABS INC FALLS CHURCH VA
Pagination or Media Count:
A report is presented on the Field Screen and Primary Screen for the evaluation of natural products. Forty four materials of the 1174 studied were recommended for testing in the Secondary Screen. It was recommended that five natural products be further purified and the active principle isolated.