首页|Valorization of German Chamomile Agri-Waste as a Source of High-Value Products: Characterization of Nutrients and Phytochemicals Towards Functional Food Development
Valorization of German Chamomile Agri-Waste as a Source of High-Value Products: Characterization of Nutrients and Phytochemicals Towards Functional Food Development
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NSTL
Springer Nature
Abstract Purpose Residues and byproducts generated after the extraction of essential oil (EO) from German Chamomile (Matricaria chamomilla L.) are often discarded or burnt causing severe resource wastage and pollution. Valorization of these residues and byproducts through a biorefinery approach generates myriad products of high value, leading to resource recovery and enhancement in the sustainability of Chamomile cultivation.Methods Process residues such as Chamomile flower hydrodistillation filtrates (CFL), Chamomile flower residue (CR), and unutilized plant parts (aerial parts and roots) were characterized for their nutritional attributes, phytochemical composition and bioactive properties viz., antioxidant and α-glucosidase inhibition. A functional soup was developed utilizing the polyphenol rich CFL extracts and compared with commercial soups for their phytochemical and functional properties.Results The fixed oil of the Chamomile flower (CF) contained high concentrations of linoleic acid. The CFL extracts were abundant in polyphenols, specifically p-Coumaric acid constituting 50% of the total composition. The CFL extracts exhibited strong antioxidant (IC50 30–50 µg ml−1), and α- glucosidase inhibitory activities (IC50 244.81 µg ml−1). The CR contained significant quantities of fiber (18.80 g 100 g−1) and protein (14.80 g 100 g−1) with higher concentrations of sulfur amino acids. The CFL extract-incorporated soup formulations possessed better phytochemical attributes when compared to commercial soups.Conclusion The CFL extracts could be targeted for nutraceutical applications while the CR and unutilized plant parts could be exploited as sources of industrial fibre and proteins that may find application as animal feed. The present work demonstrates the scope for the generation of value-added products from Chamomile waste towards effective resource recovery and enhancement of the sustainability of Chamomile cultivation.Graphical abstract
CSIR–Institute of Himalayan Bioresource Technology||Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre (CSIR-HRDC) Campus
CSIR-Institute of Himalayan Bioresource Technology
CSIR-Institute of Himalayan Bioresource Technology||Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre (CSIR-HRDC) Campus
NETL
NSTL
Springer Nature
