Carbohydrate nutrition and anthocyanin accumulation in light grown and etiolated shoot cultures of carob (Ceratonia siliqua L.) | Zendy

Branka Vinterhalter | Zendy; Slavica Ninković﻿﻿﻿ | Zendy; Branka Kozomara | Zendy; D. Vinterhalter | Zendy

Open Access

Carbohydrate nutrition and anthocyanin accumulation in light grown and etiolated shoot cultures of carob (Ceratonia siliqua L.)

Author(s) -

Branka Vinterhalter,

Slavica Ninković,

Branka Kozomara,

D. Vinterhalter

Publication year - 2007

Publication title -

archives of biological sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.217

H-Index - 25

eISSN - 1821-4339

pISSN - 0354-4664

DOI - 10.2298/abs0701051v

Subject(s) - anthocyanin , sucrose , mannitol , shoot , etiolation , fructose , ceratonia siliqua , sugar , carbohydrate , sorbitol , darkness , botany , biology , chemistry , food science , biochemistry , enzyme

Production of anthocyanins was studied in shoot cultures of carob at high (45.9 μmol s-1m-2) and low (9.2 μmol s-1m-2) irradiance levels and in darkness in relation to carbohydrate nutrition. Anthocyanin production was stimulated by light, but it also occurred in etiolated shoot cultures which developed in darkness. Anthocyanins were present in both leaves and shoot tips. The major factor affecting anthocyanin production was carbohydrate nutrition, with sucrose as a choice superior to fructose and glucose. The carbohydrate effect was clearly osmotic in nature, since anthocyanin production increased even at supraoptimal concentrations detrimental to the growth of shoot cultures. This conclusion was further confirmed in experiments in which sucrose was partly replaced with the sugar alcohols sorbitol and mannitol

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