[3] Kradjel C. Fresenius J. Anal. Chem., 1991, 339: 65.

[4] Li Z Y, Zhang M, Wang Y, et al. Microvascular Research， 2011, 81(1): 81.

[5] Li Z Y, Wang Y H, Li Y, et al. Microvascular Research, 2010, 80(1)： 142.

[6] Ridder T D, Hendee S P， Brown C D. Applied Spectroscopy， 2005, 59(2): 181.

[7] Saizabajo M J, Gonzalez J M， Pizarro C. J. Agric. Food Chem.， 2004, 52: 7711.

[13] Craftsbrandner S J, Collins M, Sutton T G. Field Crops Research, 1994, 37(2): 121.