The effects of allyl isothiocyanate (AITC) treatment on fruit quality, anthocyanin and phenolic contents,
and the activities of antioxidant enzymes of mulberries var. Dashi (Morus alba L.) were evaluated. Freshly
harvested mulberry fruit were placed in plastic sealed containers and treated with AITC at 5 and 15 mL L1
for 15 d, respectively. Samples were randomly selected initially and at 3 d intervals during storage. The
fruit treated with AITC were resistant to decay, and had high levels of total soluble solids as well as
titratable acidity. The application of AITC in mulberry fruit was effective in decreasing malondialdehyde
(MDA) accumulation and lipoxygenase (LOX) activity, inhibiting respiration, maintaining surface color
and
firmness, and suppressing total phenolic and anthocyanin contents. However, AITC treatment had no
discernible effect on the activities of antioxidant enzymes. The results from this study indicated that AITC
treatment improved the metabolism and postharvest quality of mulberry fruit and provided an effective
method for prolonging the storage life of the fruit.
The effects of allyl isothiocyanate (AITC) treatment on fruit quality, anthocyanin and phenolic contents,and the activities of antioxidant enzymes of mulberries var. Dashi (Morus alba L.) were evaluated. Freshlyharvested mulberry fruit were placed in plastic sealed containers and treated with AITC at 5 and 15 mL L1for 15 d, respectively. Samples were randomly selected initially and at 3 d intervals during storage. Thefruit treated with AITC were resistant to decay, and had high levels of total soluble solids as well astitratable acidity. The application of AITC in mulberry fruit was effective in decreasing malondialdehyde(MDA) accumulation and lipoxygenase (LOX) activity, inhibiting respiration, maintaining surface colorandfirmness, and suppressing total phenolic and anthocyanin contents. However, AITC treatment had nodiscernible effect on the activities of antioxidant enzymes. The results from this study indicated that AITCtreatment improved the metabolism and postharvest quality of mulberry fruit and provided an effectivemethod for prolonging the storage life of the fruit.
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