A two-step method of cyclolinopeptide (linusorb) preparation from flaxseed cake via dry-screening.
Food Chem
; 449: 139243, 2024 Aug 15.
Article
en En
| MEDLINE
| ID: mdl-38608605
ABSTRACT
Linusorbs (LO), cyclolinopeptides, are a group of cyclic hydrophobic peptides and considered a valuable by-product of flaxseed oil due to numerous health benefits. Currently applied acetone or methanol extraction could contaminate the feedstocks for further food-grade application. Using flaxseed cake as feedstock, this study established a practical method for preparing LO from pressed cake. Firstly, LO composition of 15 flaxseed cultivars was analyzed. Next, cold-pressed cake was milled and screened mechanically. The kernel and hull fractions were separated based on the disparity of their mechanical strength. Monitored by hyperspectral fluorescence, the LO-enriched kernel fraction separated from cold-pressed flaxseed cake was further used as feedstock for LO production. After ethanol extraction, partition, and precipitation, LOs were extracted from cold-pressed flaxseed cake with a purity of 91.4%. The proposed method could serve as feasible flaxseed cake valorization strategy and enable the preparation of other polar compounds such as flax lignan and mucilage.
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Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Péptidos Cíclicos
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Semillas
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Lino
Idioma:
En
Año:
2024
Tipo del documento:
Article