Work

Dry matter yield, chemical composition and estimated extractable protein of legume and grass species during the spring growth

Year: 2017

Type: article

Abstract: BACKGROUND Knowledge of the variation of extractable protein amount in legumes and grasses as affected by harvest time is important for identifying optimal combinations to enable a high protein production in a biorefinery. The extractability of protein was estimated using the Cornell Net Carbohydrate and Protein System across six harvests during the spring growth. RESULTS The estimated extractable protein [g kg −1 dry matter ( DM )] defined as the easily available fractions B 1 + B 2 was significantly higher in white clover and lucerne at all harvests while, if the more cell wall attached fraction B 3 can be extracted, white clover had the highest extractable protein amongst all species. Total yield of B 1 + B 2 per ha was higher in white clover and red clover at the early growth while B 1 + B 2 + B 3 was by far the highest for red clover through all harvests. CONCLUSION White clover could be a good candidate for protein production purpose in a biorefinery due to its high extractable protein content per kg DM . In order to maximise the protein production capacity, harvest should take place during early growth due to a decline in protein extractability with maturity. The final economy of the concept will depend on the value of the fibre after extraction of the protein. © 2017 Society of Chemical Industry

Source: Journal of the Science of Food and Agriculture

DOI: 10.1002/jsfa.8258

Authors: Zeinab Solati, Uffe Jørgensen, Jørgen Eriksen, Karen Søegaard

Institution: Aarhus University

Language: English

Topic: Ruminant Nutrition and Digestive Physiology

Subfield: Animal Science and Zoology

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDGs: Zero hunger, Responsible consumption and production

Open Access status: green

Funder: Innovationsfonden