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What is Characterizing Pectic Substances in Fruits about?

This document presents a new method for characterizing pectic substances in plant tissues without extracting them. Fresh plant material is treated with acidified ethanol to remove sugars, acids, and salts, leaving an insoluble marc. The marc is then analyzed to determine: total uronic acid content using titration and a colorimetric method; percentage of uronic acids that are esterified using saponification and titration; and acetyl content using a colorimetric method. Results using this technique on various

Author

Alejandra Duque Gutiérrez

Language

EN