Department of Food Technology, Engineering and Nutrition, Lund University, Naturvetarvägen 12, 223 62 Lund, Sweden.
Department of Plant Breeding, Swedish University of Agricultural Sciences, Fjälkestadsvägen 459, 291 94 Kristianstad, Sweden.
Meat Sci. 2020 Apr;162:108033. doi: 10.1016/j.meatsci.2019.108033. Epub 2019 Dec 12.
A meat model system was used for screening lipid oxidation inhibiting capacity of diverse horticultural plant materials. In the model, heme-containing sarcoplasmic proteins from the meat water-phase were homogenized with linoleic acid and thiobarbituric reactive substances (TBARS) were measured. 23 Plant materials were investigated at three high (50, 100, and 200 ppm) concentrations and five plant extracts were tested at three low (5, 10, and 20 ppm) concentrations over time. In the high concentration sets, summer savory freeze-dried powder, beetroot leaves extracted with 50% ethanol, and an olive polyphenol powder extracted from wastewater, inhibited oxidation the most effectively. After two weeks and at 200 ppm concentration, oxidation was reduced to 17.2%, 16.6% and 13.5% of the blank sample with no added antioxidants respectively. In the low concentration set, spray dried rhubarb juice inhibited oxidation the most after two weeks at 5 ppm where oxidation was reduced to 68.3% of the blank sample with no added antioxidants.
采用肉品模型系统筛选不同园艺植物材料的抑制脂质氧化能力。在该模型中，将肉品水相中含血红素的肌浆蛋白与亚油酸和硫代巴比妥酸反应物质 (TBARS) 混合，并测量 TBARS。研究了 23 种植物材料在三个高浓度（50、100 和 200 ppm）和五个植物提取物在三个低浓度（5、10 和 20 ppm）下随时间的变化情况。在高浓度组中，冷冻干燥的牛至粉、50%乙醇提取的甜菜叶和从废水中提取的橄榄多酚粉对氧化的抑制作用最为有效。在两周和 200 ppm 浓度下，与未添加抗氧化剂的空白样品相比，氧化分别降低到空白样品的 17.2%、16.6%和 13.5%。在低浓度组中，在两周时 5 ppm 的喷雾干燥大黄汁对氧化的抑制作用最大，氧化降低到空白样品的 68.3%。
