Vol. 72 No: 5

Title:
Temperatures for Optimum Anthocyanin Accumulation in Apple Tissue

Author:
E.A. CURRY

pp: 723-730

Abstract:
Skin tissue disks from preclimacteric or climacteric apples were incubated on preset temperature plates and exposed to high intensity white light to find the optimum temperature of anthocyanin accumulation. Pre-climacteric fruit developed more anthocyanin than did tissue from climacteric fruit. Different cultivars showed different temperature optima. Pre-cooling the tissue for 48 h at 2°C before incubation at 25°C increased the amount of pigment that accumulated. The highly colouring Scarlet Spur ‘Delicious’ sport showed a higher rate of anthocyanin accumulation, but a similar temperature optimum to that of Oregon Spur ‘Delicious’.

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