Fluorescence spectra of 5-sulfosalicyclic acid (SSA) were studied.Using quinine bisulphate as a reference, fluorescence quantum yield of SSA was measured.
Sucrose content in fruits had positive correlation with sorbitol.There were significant positive correlations between malate and citrate, and between quinate and shikimate in fruits.
It is thought that the people of our hero have passed on their knowledge of extraction of a chemical known as quinine from quina-quina to missionaries.