[5] Khairiah J, Zalifah M K, Yin Y H, et al. Pakistan Journal of Biological Science, 2004, 7: 1438.
[6] Chojnacka K, Chojnacki A, Gorecka H, et al. Science of the Total Environment, 2005, 337: 175.
[7] Fernandez P L, Pablos F, Martin M J, et al. Food Chemistry, 2002, 76: 483.
[8] Grusak M A, Pearson J N, Marentes E. Field Crops Research, 1999, 60: 41.
[9] Graham R, Senadhira D, Beebe S, et al. Field Crops Research, 1999, 60: 57.