Aktywnosc antyutleniajaca zwiazkow fenolowych ekstrahowanych roznymi rozpuszczalnikami z kalafiora

• Autorzy: Baraniak B , Krzepilko A , Stryjecka M
• Języki publikacji: PL

Abstrakty

PL

Związki fenolowe ekstrahowano z handlowego, mrożonego kalafiora firmy Hortex. Zastosowano cztery układy rozpuszczalników: aceton-woda, etanol-woda, metanol-woda (4:1v/v) oraz metanol-woda (1:1 v/v), w czasie 15, 30, 45 i 60 min. Zawartość związków fenolowych zależna była od zastosowanego w procesie ekstrakcji układu rozpuszczalników i czasu jej trwania. Wszystkie ekstrakty wykazały najwyższą aktywność antyutleniającą po dwudziestoczterogodzinnej inkubacji z kwasem linolowym. Nie znaleziono prostej zależności pomiędzy poziomem związków fenolowych w ekstraktach a ich aktywnością antoksydacyjną.

EN

Phenol compounds were extracted from commercial frozen cauliflower (Hortex company) using acetone-water, ethanol-water, methanol-water (4:1 v/v) and methanol-water (1:1 v/v) solvent system. The amount of phenol compounds was depended on the solvent system used in extraction process and on the extraction time. The antioxidant activity of all extracts was the highest after 24-hour incubation with linoleic acid. The results do not confirm the correlation between the phenol content in obtained extracts and their antioxidant activity.

Słowa kluczowe

PL

warzywa mrozone; zwiazki fenolowe; kalafiory; zywnosc pochodzenia roslinnego; aktywnosc przeciwutleniajaca

EN

frozen vegetable; phenolic compound; cauliflower; plant food; antioxidant activity

• Wydawca: -
• Czasopismo: Żywność Nauka Technologia Jakość
• Rocznik: 2002
• Tom: 09
• Numer: 3
• Opis fizyczny: s.58-66,rys.,tab.,bibliogr.

Twórcy

autor

Baraniak B

• Akademia Rolnicza, Lublin

autor

Krzepilko A

• Akademia Rolnicza, Lublin

autor

Stryjecka M

• Akademia Rolnicza, Lublin

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