期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 50, 期 20, 页码 5664-5669出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf011618a
关键词
lipid oxidation; frying; storage; spinach (Spinacia oleracea) powder
The addition of spinach (Spinacia oleracea) powder in flour dough as a natural antioxidant was investigated, and oxidation of frying oil and the lipid in fried products during frying was also studied Flour dough with spinach powder was rolled into sheets of 0 1 cm thickness and then cut into squares to be fried Each frying was performed in 160 degreesC soybean oil for 1 min, repeated every 20 min for 20 h Fried samples were analyzed immediately or after being stored at 60 degreesC for 12 days under dark The lipid content of fried dough was lower in samples with the addition of spinach powder Spinach in the dough decreased accumulation of the polar compounds in soybean oil during frying but had little effect on the fried dough It also reduced conjugated diene and aldehyde formation in the lipid of fried dough during storage Improvement in lipid oxidative stability presumably due to pigments in spinach, was more noticeable in the fried products during storage than in the frying oil.
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