Effect of different combinations of antibiotics on fruit quality and antioxidant defense system in Huanglongbing infected Kinnow orchards

AMB Express

Table 7 Fruit soluble proteins and antioxidant enzymatic and non-enzymatic activity as affected by different antibiotic treatments

Treatments	Total soluble proteins (mg/ml)	Superoxide dismutase (IU min⁻¹ mg protein⁻¹)	Peroxidase (IU mmol min⁻¹ mg protein⁻¹)	Catalase (IU mmol min⁻¹ mg protein⁻¹)	Vitamin C content (mg/100 ml)
Ampicillin sodium + Rifampicin	0.49 b	33.60 c	0.45 ab	18.75 b	33.77 ab
Cefalexin + Rifampicin	0.39 bc	51.60 ab	0.68 a	14.04 bc	29.36 b
Ampicillin sodium + Cefalexin	0.47 b	51.56 ab	0.47 ab	17.95 b	35.74 a
Ampicillin sodium + Cefalexin + Rifampicin	0.73 a	46.72 b	0.55 a	27.32 a	32.34 ab
Control (distilled water)	0.26 c	58.44 a	0.24 b	9.50 c	29.40 b

Means within a column with different letters are significantly different at P ≤ 0.05