| Title | Optimization of Volatile Compounds Extraction from Industrial Celery (Apium graveolens) By-Products by Using Response Surface Methodology and Study of Their Potential as Antioxidant Sources |
|---|---|
| ID_Doc | 29372 |
| Authors | Sanahuja, AB; Landete, MP; Martínez, MID; Moya, MSP; García, AV |
| Title | Optimization of Volatile Compounds Extraction from Industrial Celery (Apium graveolens) By-Products by Using Response Surface Methodology and Study of Their Potential as Antioxidant Sources |
| Year | 2021 |
| Published | Foods, 10.0, 11 |
| Abstract | In this study, the potential of industrial celery by-products (the stalk and root) serving as sources of aromatics and antioxidants was investigated. A headspace solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) procedure was optimized to isolate volatile compounds from celery by-products. A Box-Behnken experimental design was proposed to optimize the procedure through a response surface methodology. The optimal extraction conditions were found to be 1.6 g of homogenized fresh by-product at 30 & DEG;C for 60 min. Under these conditions, 26 volatile compounds in stalk and root samples were identified, monoterpenes and sesquiterpenes being the main components. The content of limonene and gamma-terpinene found in the stalk was significantly higher in comparison with root samples. Total phenolic content and antioxidant activity (ABTS and FRAP) results underlined the celery wastes studied as good sources of free radical scavengers. This work suggests the potential application of these by-products in the food industry and opens new pathways to valorize celery residues, contributing to the circular economy. |
| https://www.mdpi.com/2304-8158/10/11/2664/pdf?version=1635918314 |
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