Essential amino acid content of commonly used feedstuffs
2003
Chandrasekharaiah, M. | Sampath, K.T. | Thulasi, A. (National Institute of Animal Nutrition and Physiology, Banglore (India))
Studies were conducted to determine the essential amono acids(EAAs) content in commonly used feed ingredients such as soyabeans extraction, broken rice, rapeseed extraction, sunflower extraction, rice polish, pearlmillet grain, silkworm pupae, maize gluten-meal (40%CP and 60%CP), safflower-cake and copra-cake. The EAA content in these feedstuffs were determined in a higher pressure liquid chromatography (HPLC) using pre-column derivatisation with phenyl isothiocyanate(PITC). The EAA content of feedstuffs ranged from 0.03 to 9.12% on dry matter basis. Highest level of EAA was observed in soybean extraction followed by maize gluten-mea(60%CP and 40%CP), silkworm pupae, repeseed extraction, safflower-cake, sunflower extraction, copra-cake, rice polish, broken rice and pearlmillet grain.
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