Novel chitosan/alginate hydrogels as carriers of phenolic-enriched extracts from saffron floral by-products using natural deep eutectic solvents as green extraction media

作者

Débora Cerdá-Bernad¹ , Ioanna Pitterou² , Andromachi Tzani² , Anastasia Detsi² , María José Frutos¹

1. Miguel Hernádez University
2. National Technical University of Athens

会议/活动

4th SEKI E-conferences: Food Texture, Quality Safety and Biosecurity in the Global Bioeconomy, November 2021 (虚拟会议)

海报摘要

TThe current saffron production system is generating several tons of tepal waste, because only stigmas are used for food. The main aim of this study was to develop innovative green extraction processes from saffron floral by-products by using Natural Deep Eutectic Solvents (NaDES) and ultrasound-assisted extraction. Response surface methodology was used to optimize process parameters. To improve the stability of the optimal extracts, they were incorporated into chitosan/alginate hydrogels, studying the impact on the total phenolic content (TPC) during the in vitro digestion. The results indicated that the optimal extraction, regarding bioactive content, was achieved in 20 min, using 180 W ultrasound power and 90% of NaDES, and the TPC remained stable under intestinal conditions in the chitosan/alginate hydrogels. Therefore, NaDES combined with UAE was an efficient technique to isolate high added-value compounds from saffron flowers, succeeding also the valorization of discarded waste by using green and low-cost strategies.

关键词

NaDES, Sustainability, Crocus sativus L., Environmental impact, Bioactive compounds, Green chemistry

研究领域

Chemical Engineering

参考文献

1. Débora Cerdá-Bernad, Ioanna Pitterou, Andromachi Tzani, Anastasia Detsi, María José Frutos, “Novel chitosan/alginate hydrogels as carriers of phenolic-enriched extracts from saffron floral by-products using natural deep eutectic solvents as green extraction media”, Current Research in Food Science, Volume 6, 2023, https://doi.org/10.1016/j.crfs.2023.100469.

基金

1. Partnership for Research and Innovation in the Mediterranean Area (PRIMA) program, (No. Project SAFFROMFOOD)

补充材料

暂无数据

附加信息

利益冲突

No competing interests were disclosed.

数据可用性声明

The datasets generated during and / or analyzed during the current study are available from the corresponding author on reasonable request.

知识共享许可协议

Copyright © 2023 Cerdá-Bernad et al. This is an open access work distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.