The response of phenylalanine ammonia-ly
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Francisca Ortega-García; Juan Peragón
📂
Article
📅
2009
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John Wiley and Sons
🌐
English
⚖ 176 KB
## Abstract **BACKGROUND:** In this study the activities of phenylalanine ammonia‐lyase (PAL) and polyphenol oxidase (PPO) and the concentrations of hydroxytyrosol, tyrosol and oleuropein in olive tree (__Olea europaea__ L. cv. Picual) leaves were investigated before and after cold stress by freezi