Variety sheet
Topaz
Origin
Rubin x Vanda
Synonyms
n. a.
Agronomic Profile
Flowering:
medium, diploid
Vigour:
medium
Susceptibility:
n. a.
Productivity:
Productivity strong, tends to biennial bearing, no preharvest fruit drop
Harvest time:
2-0 Week before Golden Delicious
Fruit
Size and shape:
large, flattened globular
Ground and overcolour:
Ground colour yellow-green; Overcolour red, compact, striped; medium (50%)
Susceptibility to russeting:
little rustiness of the fruit
Firmness of the pulp:
7,4-8,1 kg/cm ²at harvest
Tendency to browning of pulp:
medium oxidation
Sugar content:
12,0-13,0 °Brix at harvest
Acid content:
8,5-11,0 g/L MA at harvest
Total content of Polyphenols1:
in the peel: 283,8 ± 32,7 mg Catechin/ 100 g FW; in the pulp: 99,7 ± 21,1 mg Catechin/ 100 g FW
TAC1:
in the peel: 335,4 ± 46,6 mg Trolox/ 100 g FW; in the pulp: 211,7 ± 24,0 mg Trolox/ 100 g FW
Content of Anthocyanin2:
n. a.
Vitamin C1:
in the peel: 36,9 ± 7,7 mg/100 g FW; in the pulp: 4,2 ± 0,5 mg/100 g FW
Pectin1:
in the pulp: 1,7 ± 0,5 g/100g FW
Flavour:
n. a.
Storage:
in cool store up to 3 Months
Characteristics:
tendency to bitter pit
Juice production
Yield:
yield very low
Stability of the colour:
little oxidation after decanting
Sugar content:
12,3 °Brix
Acid content:
6,8 g/L MA
pH:
3,35
Total content of Polyphenols:
31,6 ± 0,9 mg Catechin/100 mL juice
TAC:
53,1 ± 1,8 mg Trolox/100 mL juice
Content of Anthocyanin2:
n. a.
Vitamin C:
1,77 ± 0,01 mg/L juice
Photogallery
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