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Bragantia

Print version ISSN 0006-8705On-line version ISSN 1678-4499

Bragantia vol.47 no.2 Campinas  1988

http://dx.doi.org/10.1590/S0006-87051988000200002 

I. FISIOLOGIA DE PLANTAS

 

A cor verde do endosperma do café

 

On the green color of coffee endosperm

 

 

Paulo MazzaferaI; Oliveiro Guerreiro FilhoII; Alcides CarvalhoII, *

IDepartamento de Fisiologia Vegetal, Unicamp
IISeção de Genética, Instituto Agronômico de Campinas (IAC), Caixa Postal 28, 13001 Campinas (SP)

 

 


RESUMO

Realizaram-se comparações entre as sementes dos cultivares Mundo Novo de Coffea arabica, cujo endosperma é verde, com as do cultivar Cera, dessa espécie, de endosperma amarelo, com o objetivo de determinar os componentes responsáveis por aquela cor. Nas análises de clorofilas, flavonóides, diterpenos totais, ácido clorogênico e íons Mg, Ca, K, Fe e B, nenhuma diferença foi verificada entre os dois cultivares, sugerindo que a coloração verde se deva à presença de outros componentes ou que o 'Cera' apresente um componente que não ocorre no 'Mundo Novo' e que inibe o desenvolvimento da cor verde no seu endosperma.

Termos de indexação: Coffea arabica, cultivares Mundo Novo e Cera, flavonóides, diterpenos, ácido clorogênico, clorofila, íons.


SUMMARY

A comparison was made between the green seeded Mundo Novo and the yellow seeded Cera cultivars of Coffea arabica, in order to determine the components responsible for the green color of the endosperm. Both cultivars produce beverage of good quality. Chlorophylls, flavonoids, total diterpens, chlorogenic acid, and K, Ca, Mg, Fe and B ions were determined in beans of both cultivars. No differences between cultivars were found on these component contents, what suggests that the green color may be due to other compounds or that the Cera endosperm may have an inhibitor component of the green color of the coffee beans.

Index terms: Coffea arabica, cultivars Mundo Novo and Cera, flavonoids, diterpens, chlorogenic acid, chlorophyll, ions.


 

 

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

 

 

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Recebido para publicação em 19 de julho e aceito em 13 de outubro de 1988.

 

 

* Com bolsa de pesquisa do CNPq.

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