Characterization of corn landraces planted grown in the campos gerais region (Paraná, Brazil) for industrial utilization
Braz. arch. biol. technol
; Braz. arch. biol. technol;52(spe): 17-28, Nov. 2009. graf, tab
Article
in En
| LILACS
| ID: lil-539844
Responsible library:
BR1.1
ABSTRACT
This work has the objective of characterizing twenty corn landraces grown in the Campos Gerais region (Paraná State) in relation to its chemical composition (moisture, ash, protein, ether extract, dietary fiber and starch) and physical properties (weight of 1000 grains, real density, flotation index, granulometry and color). In addition, also the lab scale processing of the kernels from the varieties was carried out for producing starch; starch purity was evaluated by measuring its protein contamination. Amylose contents and viscoamylograph profile were also evaluated. The results showed that the evaluated landraces have differences in chemical composition as well as in pericarp/endosperm/germ proportions and consequently it should have different industrial applications and interest for plant breeding.
RESUMO
Esse trabalho teve o objetivo de caracterizar vinte variedades de milho crioulo cultivadas na região dos Campos Gerais (Estado do Paraná) em relação a sua composição química (umidade, cinzas, proteína, extrato etéreo, fibra alimentar e amido) e propriedades físicas (peso de 1000 grãos, densidade real, índice de flotação, granulometria e cor) Além disso, foi feito o processamento dos grãos em escala de laboratório para a extração do amido, sendo mensurado o teor de proteína. Foram avaliados os conteúdos de amilose e o perfil viscoamilográfico. Os resultados mostraram que os milhos apresentaram diferentes composições químicas e proporções pericarpo/endosperma/ gérmen e consequentemente podem ter diferentes aplicações industriais e interesse ao melhoramento de plantas.
Full text:
1
Collection:
01-internacional
Database:
LILACS
Country/Region as subject:
America do sul
/
Brasil
Language:
En
Journal:
Braz. arch. biol. technol
Journal subject:
BIOLOGIA
Year:
2009
Document type:
Article
/
Project document
Affiliation country:
Brazil
Country of publication:
Brazil