Co-pigmentation of strawberry anthocyanins with phenolic compounds from rooibos
© 2022 The Authors..
Anthocyanin-rich strawberry model solutions were co-pigmented with rooibos phenolics to enhance color and heat stability. The addition of green and fermented rooibos extracts at pigment-to-co-pigment molar ratios of 1:10, 1:50, and 1:100 pelargonidin-3-glucoside equivalents: orientin equivalents induced hyper- and bathochromic shifts at room temperature and during thermal processing at 80 °C for an hour. Co-pigmentation effects on hyperchromic shift were up to 96%, and bathochromic shift reached 19 nm when adding flavonoid-rich fractions of green rooibos phenolics. Following the co-pigmentation tests with rooibos extracts, selected pure phenolic co-pigments were tested for their monomeric contribution to the observed co-pigmentation effects. Orientin was identified as a potent co-pigment for pelargonidin-3-glucoside, showing stronger co-pigmentation effects than that of its aglycon luteolin. Additionally, orientin had the most pronounced bathochromic shift in heat-treated solutions. Rooibos extracts, particularly flavonoid-rich fractions composed of luteolin, apigenin, and quercetin glycosides, are suggested as color enhancers and stabilizers for strawberry products.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:4 |
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| Enthalten in: |
Food chemistry. Molecular sciences - 4(2022) vom: 30. Juli, Seite 100097 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Erşan, Sevcan [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 16.07.2022 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.fochms.2022.100097 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM342902466 |
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| 100 | 1 | |a Erşan, Sevcan |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Co-pigmentation of strawberry anthocyanins with phenolic compounds from rooibos |
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| 500 | |a published: Electronic-eCollection | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2022 The Authors. | ||
| 520 | |a Anthocyanin-rich strawberry model solutions were co-pigmented with rooibos phenolics to enhance color and heat stability. The addition of green and fermented rooibos extracts at pigment-to-co-pigment molar ratios of 1:10, 1:50, and 1:100 pelargonidin-3-glucoside equivalents: orientin equivalents induced hyper- and bathochromic shifts at room temperature and during thermal processing at 80 °C for an hour. Co-pigmentation effects on hyperchromic shift were up to 96%, and bathochromic shift reached 19 nm when adding flavonoid-rich fractions of green rooibos phenolics. Following the co-pigmentation tests with rooibos extracts, selected pure phenolic co-pigments were tested for their monomeric contribution to the observed co-pigmentation effects. Orientin was identified as a potent co-pigment for pelargonidin-3-glucoside, showing stronger co-pigmentation effects than that of its aglycon luteolin. Additionally, orientin had the most pronounced bathochromic shift in heat-treated solutions. Rooibos extracts, particularly flavonoid-rich fractions composed of luteolin, apigenin, and quercetin glycosides, are suggested as color enhancers and stabilizers for strawberry products | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a AU, absorption unit | |
| 650 | 4 | |a Aspalathus linearis (Burm.f.) R. Dahlgren | |
| 650 | 4 | |a Co-pigmentation | |
| 650 | 4 | |a Color enhancer | |
| 650 | 4 | |a DAD, diode array detector | |
| 650 | 4 | |a ESI, electrospray ionisation | |
| 650 | 4 | |a Fragaria x ananassa Duch. | |
| 650 | 4 | |a Gallic acid | |
| 650 | 4 | |a HPLC, high-performance liquid chromatography | |
| 650 | 4 | |a Heat stability | |
| 650 | 4 | |a Luteolin | |
| 650 | 4 | |a MSn, multiple-stage mass spectrometry | |
| 650 | 4 | |a OE, orientin eqivalents | |
| 650 | 4 | |a Orientin | |
| 650 | 4 | |a PE, pelargonidin-3-glucoside equivalents | |
| 650 | 4 | |a Penta-galloyl-glucose | |
| 650 | 4 | |a RT, room temperature | |
| 650 | 4 | |a SPE, solid-phase extraction | |
| 650 | 4 | |a Δλmax, bathochromic shifts of the absorbance maximum | |
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| 700 | 1 | |a Reuter, Luise |e verfasserin |4 aut | |
| 700 | 1 | |a Carle, Reinhold |e verfasserin |4 aut | |
| 700 | 1 | |a Müller-Maatsch, Judith |e verfasserin |4 aut | |
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