maximizing yield and efficacy
Mateja Šenica (Avtor), Gregor Mlinšek (Avtor), Denis Rusjan (Avtor), Maja Mikulič Petkovšek (Avtor)

Povzetek

People have long been interested in plants rich in secondary metabolites and have tried to isolate them outside the plants. Purple coneflower is a crucial medicinal plant, known for its broad spectrum of bioactive substances. The type of solvent and the duration of maceration had an important impact on the phenolic level of purple coneflower leaves, flowers and roots. The flowers and leaves had a significantly higher phenolic concentration than the roots. The results of this study show the importance of stabilizing and regulating the polarity of the solvent and the duration of maceration to obtain the highest yield of phenolics from purple coneflower. The greatest yield of phenolics was gained with two natural extraction solvents, 5% acetic acid and glycerol, after 3 days of maceration, yielding (1696.05 mg 100 g$^{−1}$ DW) and (2796.94 mg 100 g$^{−1}$ DW) from the flowers of purple coneflower, respectively. For purple coneflower leaves and roots, the best extraction method was 40% ethanol after 3 days of maceration, and the total content analyzed was 1022.43 mg 100 g$^{−1}$ DW and 1011.32 mg 100 g$^{−1}$ DW, respectively. Different phenolics respond significantly to different maceration factors, but the best product from the flowers of purple coneflower is glycerol extract after 9 days of maceration. From the leaves of purple coneflower, we obtained the highest phenolic yield when producing extract in glycerol, a 40% ethanol tincture, or an acetic acid product after 3 days of maceration.

Ključne besede

purple coneflower;phenolic compounds;extraction efficiency;solvents;functional ingredients;

Podatki

Jezik: Angleški jezik
Leto izida:
Tipologija: 1.01 - Izvirni znanstveni članek
Organizacija: UL BF - Biotehniška fakulteta
UDK: 63
COBISS: 241590019 Povezava se bo odprla v novem oknu
ISSN: 2304-8158
Št. ogledov: 170
Št. prenosov: 41
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Slovenski jezik
Sekundarne ključne besede: ameriški slamnik;fenolne spojine;ekstrakcija;topila;funkcionalne sestavine;
Vrsta dela (COBISS): Članek v reviji
Strani: 13 str.
Letnik: ǂVol. ǂ14
Zvezek: ǂissue ǂ13, [article no.] 2325
Čas izdaje: Jun. 2025
DOI: 10.3390/foods14132325
ID: 26745809