[1] Univ Bari, Dipartmento Chim, I-70126 Bari, Italy
[2] Univ Bari, Dipartimento Sanita & Benessere Anim, I-70010 Bari, Italy
[3] Univ Roma Tor Vergata, Dipartimento Biol, I-00133 Rome, Italy
[4] CNR, Sez Bari, Ist Protez Piante, I-70126 Bari, Italy
[5] Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Chim, I-00133 Rome, Italy