Debittering Process of Lupin (Lupinus albus l.) by Ultrasound Pre-treatment
DOI:
https://doi.org/10.24925/turjaf.v12i10.1673-1678.6921Keywords:
Alkaloid, bioactive compound, debittering, lupin, ultrasoundAbstract
This study investigates the efficacy of ultrasound as a pre-treatment method for the debittering process of Lupin (Lupinus albus L.), aiming to enhance its overall quality and nutritional profile. Lupin seeds are abundant in protein and other essential nutrients, yet they contain bitter alkaloids, primarily lupinine and lupinidine, which pose challenges in their utilization as food and feed. Traditional methods of debittering involve water soaking, which are time-consuming and may result in nutrient losses. Ultrasound emerges as a promising alternative due to its ability to accelerate the debittering process without compromising nutritional integrity. In this research, Lupin seeds underwent ultrasound pre-treatment under various conditions to optimize debittering efficiency. Parameters such as ultrasound power, treatment temperature and duration were systematically evaluated to determine their impact on alkaloid removal and preservation of nutritional content. The pre-treated Lupin samples were then analyzed for changes in alkaloid concentrations, protein content, and other nutritional attributes. The applied ultrasound-assisted extraction method brought a new perspective and the heating process was adapted with ultrasound and the bitterness removal process was performed in a shorter time. Preliminary results demonstrate the effectiveness of ultrasound pre-treatment in reducing bitterness levels and alkaloid concentrations in Lupin seeds. Moreover, the process preserves the essential nutrients present in Lupin, thereby enhancing its potential as a valuable source of protein and other nutrients for human consumption and animal feed. This study contributes to the development of sustainable and efficient pre-treatment methods for Lupin, opening avenues for its broader utilization in food, feed, and various industrial applications.
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