Plants from Urban Parks as Valuable Cosmetic Ingredients: Green Extraction, Chemical Composition and Activity

The research on the possibilities of using biowaste from urban green areas is scarce. In this work, four plants, widely distributed in urban parks in Central Europe (Lotus corniculatus, Medicago lupulina, Knautia arvensis and Plantago major) were extracted using eco-friendly solvents based either on...

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Bibliographic Details
Published in:Agronomy (Basel) 2022-01, Vol.12 (1), p.204
Main Authors: Marijan, Marijan, Jablan, Jasna, Jakupović, Lejsa, Jug, Mario, Marguí, Eva, Dalipi, Rogerta, Sangiorgi, Emanuele, Zovko Končić, Marijana
Format: Article
Language:English
Subjects:
Alfalfa
Aqueous solutions
Biocompatibility
Biological activity
Chemical activity
Chemical composition
Cosmetics
Cyclodextrins
Elastase
Environmental impact
Glycerol
green extraction
Heavy metals
High-performance liquid chromatography
Ingredients
Kaempferol
Liquid chromatography
Metabolites
Parks
Parks & recreation areas
phenolics
Phenols
Phytochemicals
Plant extracts
Quercetin
Skin
Solvents
Spectrophotometry
TXRF
Tyrosinase
Urban areas
urban parks
X ray reflection
X-ray fluorescence
β-Cyclodextrin
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Summary:The research on the possibilities of using biowaste from urban green areas is scarce. In this work, four plants, widely distributed in urban parks in Central Europe (Lotus corniculatus, Medicago lupulina, Knautia arvensis and Plantago major) were extracted using eco-friendly solvents based either on aqueous cyclodextrin solutions (hydroxypropyl-β-cyclodextrin or γ-cyclodextrin) or natural deep eutectic solvents based on glycerol, betaine and glucose. Metal content was determined using total reflection X-ray fluorescence (TXRF). The content of selected metabolites was determined using UV-VIS spectrophotometric methods and HPLC. Skin-related bioactivity was assessed using tyrosinase and elastase inhibition assays. The selected plants contained metals beneficial for skin health, such as zinc and calcium, while having a low content of toxic heavy metals. The extracts contained the bioactive phenolics such as quercetin, kaempferol, luteolin and apigenin. L. corniculatus was the most potent tyrosinase inhibitor, while K. arvensis showed the most pronounced elastase inhibitory activity. The employed solvents actively contributed to the observed bioactivity. The results indicate that the biowaste obtained from urban parks represents an ecologically acceptable alternative to conventional cultivation for the preparation of ecologically acceptable, high-value cosmetic products.
ISSN:2073-4395
2073-4395
DOI:10.3390/agronomy12010204