Strawberry Puree Functionalized with Natural Hydroxytyrosol : Effects on Vitamin C and Antioxidant Activity

The natural antioxidant hydroxytyrosol (HT) was used to functionalize a strawberry puree. The effect of the antioxidant on the stability of the two bioactive forms of vitamin C (ascorbic acid-AA and dehydroascorbic acid-DHAA) in strawberry puree stored at 4 °C, compared with the effect on a model system of AA in water, was investigated. In the absence of HT, the concentration of vitamin C in strawberry puree decreased but not in the model system. Low concentrations of HT in strawberry puree (0.05 and 0.1 mg HT/g puree) stabilized vitamin C and improved its antioxidant activity. However, at high concentrations of HT (from 0.5 mg HT/g puree), although the antioxidant activity improved, degradation of vitamin C occurred. Therefore, the concentration of HT used to obtain a functionalized strawberry puree it is very important. An adequate concentration increases the antioxidant activity and protects vitamin C from degradation, developing a functional food. However, an inadequate concentration of HT affects the vitamin C content, which is essential for the human diet because it cannot be biosynthetized by the organism.

Medienart:

E-Artikel

Erscheinungsjahr:

2020

Erschienen:

2020

Enthalten in:

Zur Gesamtaufnahme - volume:25

Enthalten in:

Molecules (Basel, Switzerland) - 25(2020), 24 vom: 10. Dez.

Sprache:

Englisch

Beteiligte Personen:

Bermúdez-Oria, Alejandra [VerfasserIn]
Bouchal, Yougourthane [VerfasserIn]
Fernández-Prior, África [VerfasserIn]
Vioque, Blanca [VerfasserIn]
Fernández-Bolaños, Juan [VerfasserIn]

Links:

Volltext

Themen:

10597-60-1
3,4-dihydroxyphenylethanol
Antioxidant activity
Antioxidants
Ascorbic Acid
Biological Products
Functionalized
Hydroxytyrosol
Journal Article
ML9LGA7468
PQ6CK8PD0R
Phenylethyl Alcohol
Solutions
Strawberry puree
Vitamin C

Anmerkungen:

Date Completed 16.04.2021

Date Revised 16.04.2021

published: Electronic

Citation Status MEDLINE

doi:

10.3390/molecules25245829

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM318869985