Naslov
Polyphenol content and antioxidant activity of phytoestrogen containing food and dietary supplements: Evaluation of DPPH free radical scavenging activity by HPLC

Autori
Klarić, Ilija ; Amidžić Klarić, Daniela ; Mornar, Ana ; Nigović, Biljana ; Jeličić, Mario-Livio ; Brusač, Edvin

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Book of Abstracts of the 13th International Scientific and Professional Conference WITH FOOD TO HEALTH / - Osijek : Tuzla : Prehrambeno tehnološki fakultet Sveučilišta Josipa Jurja Strossmayera u Osijeku, 2021, 69-69

ISBN
978-953-7005-79-5

Skup
13. međunarodni znanstveno-stručni skup: hranom do zdravlja = 13th International Scientific and Professional Conference: With food to health

Mjesto i datum
Osijek, Hrvatska, 16.09.2021. - 17.09.2021

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
phytoestrogens ; polyphenol content ; antioxidant activity ; functional food ; dietary supplements

Sažetak
Soybeans, red clover, chastetree, hop and flax have all been found to contain a wide range of phytoestrogenic compounds, and a large number of dietary supplements contain their extracts as principal ingredients. Since polyphenolic compounds are responsible for the potential antioxidant activity and radical scavenging capacity of plant food, this study aimed to evaluate total polyphenol content (TPC) and antioxidant activity (AA) of phytoestrogen- containing food and dietary supplement (DS) formulated products prepared. The HPLC-DPPH method was applied for the analysis of various phytoestrogen-containing samples. Polyphenol content and antioxidant activity in formulated DS (TPC: 17.65±10.28 mg/g ; AA: 103.01±58.42 mM TROLOX/g) was higher than in functional food samples (TPC: 6.18±1.37 mg/g dry matter ; AA: 40.01±15.80 mM TROLOX/g dry matter). Also, the results indicate that multi-botanical products (TPC: 23.70±9.09 mg/g ; AA: 143.49±45.63 mM TROLOX/g) have higher polyphenol content and antioxidant activity than monopreparation (TPC: 15.63±10.11 mg/g ; AA: 89.52±57.07 mM TROLOX/g). Furthermore, the correlation between polyphenol content and the antioxidant activity was strongly statistically significant, so it can be concluded that antioxidant activity is proportional to the content of secondary metabolites. The most eye- catching batch-to-batch deviations were represented by two chasteberry-based products (RSD 12.6% and 41.3%) and one red clover (RSD 57.9%) derived product.

Izvorni jezik
Engleski

Znanstvena područja
Javno zdravstvo i zdravstvena zaštita, Farmacija, Prehrambena tehnologija

POVEZANOST RADA