Changes in Tocochromanol Content in Seeds of Brassica napus L. During Adverse Conditions of Storage

被引：38

作者：

Gawrysiak-Witulska, Marzena ^{[1
]}

Siger, Aleksander ^{[2
]}

Wawrzyniak, Jolanta ^{[1
]}

Nogala-Kalucka, Malgorzata ^{[2
]}

机构：

[1] Poznan Univ Life Sci, Inst Technol Plant Origin Food, PL-60637 Poznan, Poland

[2] Poznan Univ Life Sci, Dept Food Biochem & Anal, PL-60637 Poznan, Poland

来源：

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY | 2011年 / 88卷 / 09期

关键词：

Rapeseed; Tocopherol; Plastochromanol-8; Degradation of tocopherols; Postharvest; ANTIOXIDANT PROPERTIES; TOCOPHEROLS; OIL; TEMPERATURE; CHEMISTRY;

D O I：

10.1007/s11746-011-1793-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Tocopherols and plastochromanol-8 were evaluated in seeds of Brassica napus L. during adverse conditions of storage at different temperatures (25 and 30 A degrees C) and moisture levels (10, 12.5 and 15.5%). Both temperature and moisture content of seeds had a significant effect on the hydrolysis of triacylglycerols in rapeseed oil and on the contents of tocopherols and PC-8. The biggest losses of tocopherols (a drop by 14.4% after 18 days) were recorded for seeds with a moisture content of 15.5% and stored at a temperature of 30 A degrees C. Losses of the alpha-T homologue were bigger than those of gamma-T. The loss of PC-8 ranged from 4 to 24% depending on storage conditions and it was almost two times bigger than the loss of tocopherols.

引用

页码：1379 / 1385

页数：7

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