Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.
2003
Volume 6
Issue 2
Topic:
Biology
ELECTRONIC
JOURNAL OF
POLISH
AGRICULTURAL
UNIVERSITIES
Sprawka I. , Ciepiela A. , Sempruch C. , Chrzanowski G. , Sytykiewicz H. , Czerniewicz P. 2003. NUTRITIVE VALUE OF SOLUBLE PROTEIN OF SPRING TRITICALE EARS INFESTED BY THE GRAIN APHID (Sitobion avenae /F./), EJPAU 6(2), #03.
Available Online: http://www.ejpau.media.pl/volume6/issue2/biology/abs-03.html

NUTRITIVE VALUE OF SOLUBLE PROTEIN OF SPRING TRITICALE EARS INFESTED BY THE GRAIN APHID (SITOBION AVENAE /F./)

Iwona Sprawka, Antoni Ciepiela, Cezary Sempruch, Grzegorz Chrzanowski, Hubert Sytykiewicz, Pawe│ Czerniewicz

 

ABSTRACT



The aim of study was to determine the effect of grain aphid (Sitobion avenae /F./) on nutritive value of soluble protein isolated from ears of spring triticale cultivars. Nutritive value of protein was estimated by the limiting amino acid index (CS) calculated in according with to Mitchel and Block (1946), and by the integrated index of essential amino acids (EAA) calculated in with according to Oser (1951). Obtained results showed that feeding of the grain aphid on the ears of tested spring triticale cultivars caused the decrease in the content of essential amino acids. This resulted in the decrease of CS and EAA values and in the reduction of nutritive value of soluble protein.

Key words: nutritive value, essential amino acids, spring triticale, grain aphid, Sitobion avenae..