Bioactivity Potential of Industrial Sunflower Meal Ethanol-Wash Solute Obtained as Waste from Protein Isolation Process
| Autor: | Vesela I. Chalova, Ivayla Dincheva, Hristo Kalaydzhiev, Ivan Ivanov, Petya Ivanova, Yulian Tumbarski |
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| Přispěvatelé: | Ivayla N Dincheva, Hristo Kalaydzhiev, Petya Ivanova, Vesela Chalova, Ivan Ivanov |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Technology
Sucrose DPPH QH301-705.5 Linoleic acid QC1-999 chemistry.chemical_element chemistry.chemical_compound Chlorogenic acid sunflower meal antioxidant activities medicine General Materials Science Phenols Food science antimicrobial activities Biology (General) Instrumentation QD1-999 GC-MS analysis Fluid Flow and Transfer Processes Process Chemistry and Technology Physics General Engineering ethanol-wash solute Engineering (General). Civil engineering (General) Sunflower Computer Science Applications Chemistry chemistry Mannitol TA1-2040 Selenium medicine.drug |
| Zdroj: | Applied Sciences, Vol 11, Iss 11007, p 11007 (2021) Applied Sciences; Volume 11; Issue 22; Pages: 11007 |
| ISSN: | 2076-3417 |
| Popis: | Industrial sunflower meal is rich in secondary metabolites, which negatively influence the quality and functional properties of respective protein isolates. To reduce their quantity, sunflower meal was subjected to a four-step treatment with 75% aqueous ethanol solution. The ethanol-wash liquids were collected, concentrated, and freeze-dried to prepare powdery sunflower meal ethanol-wash solute (SEWS). Otherwise considered waste from the main process of protein isolation, the SWES was turned into a novel product containing macrocomponents, microelements, and bioactive compounds. It was found to be rich in carbohydrates (62.14%), lipids (7.73%), and bioactive compounds such as phenols (16.38%) and flavonoids (4.41%). Gas Chromatography-Mass Spectrometry (GC–MS) analyzes revealed prevalence of sucrose (14.01%), linoleic acid (12.10%), and chlorogenic acid (85.41%) based on total ion current (TIC) of polar, nonpolar, and phenolic compounds, respectively. The SEWS was found to be rich in microelements with iron (259.02 mg/kg) and copper (109.36 mg/kg) being the highest amounts. The product contained 0.10 mg/kg selenium. Scavenging of 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals increased with the increase in SEWS concentrations and reached 52.3% and 69% for 0.05% SEWS when dissolved in water and 70% ethanol, respectively. The highest hydroxyl radical scavenging activity (52.4%) was achieved at 0.1% SEWS. For all studied concentrations (0.005% to 0.1%), the SEWS exhibited a higher inhibition capacity than mannitol, which was used as a positive control. The SEWS demonstrated inhibiting properties against Gram (+) Curtobacterium flaccumfaciens PM-YT and Fusarium moniliforme ATCC 38932 fungus. The obtained results outline the SEWS as a natural product with bioactive properties that might be useful in the agriculture, food, and nutraceutical industries. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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