Premium
Phytochemical Content and Antioxidant Properties of Seeds of Unconventional Oil Plants
Author(s) -
NogalaKalucka Malgorzata,
Rudzinska Magdalena,
Zadernowski Ryszard,
Siger Aleksander,
Krzyzostaniak Inga
Publication year - 2010
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/s11746-010-1640-8
Subject(s) - evening primrose , hippophae rhamnoides , botany , dpph , carthamus , chemistry , campesterol , biology , antioxidant , food science , traditional medicine , sterol , cholesterol , medicine , biochemistry
The lipophilic and hydrophilic antioxidants were evaluated in eight plants: safflower (Carthamus tinctorius), viper's bugloss (Echium vulgare) , quince (Cydonia vulgaris) , evening primrose (Oenothera biennis ), rose mosqueta ( Rosa affinis rubiginosa ), black seed (Nigella sativa ), sea buckthorn (Hippophae rhamnoides) and borage (Borago officinales) . The highest amounts of tocopherols were contained in seeds of borage and sea buckthorn (66.9 mg/100 g and 45.9 mg/100 g, respectively). The sea buckthorn seed lipids had the highest amount of total sterols (10.4 mg/g of lipids). The predominant form was campesterol. Sitosterol was the major sterol in the lipids of other tested seeds. The content of phenolic compounds ranged from 736.5 mg/100 g dry matter (d.m.) (evening primrose) to 74.8 mg/100 g d.m. (safflower). The highest antioxidant activity, expressed in % scavenged DPPH· free radicals, was observed for evening primrose (91.2%), while the lowest for safflower (36.2%). The correlation coefficient between the level of phenolic compounds and antioxidant activity was 0.53.