干燥方法对黑果腺肋花楸生物活性成分含量及抗氧化活性的影响
Effects of drying methods on contents of bioactive compounds and antioxidant activities of black chokeberries ().
作者信息
Thi Nhuan Do, Hwang Eun-Sun
机构信息
Department of Nutrition and Culinary Science, Hankyong National University, Anseong, Gyeonggi, 17579 Korea.
出版信息
Food Sci Biotechnol. 2016 Feb 29;25(1):55-61. doi: 10.1007/s10068-016-0008-8. eCollection 2016.
Optimal drying techniques for maintaining high levels of bioactive compounds and antioxidant activities in black chokeberries were investigated. Effects of 3 drying methods on total bioactive compound contents and antioxidant activities in 80% ethanol extracts were evaluated. Fresh black chokeberries were dried using sun-drying, freeze-drying, and oven-drying. Highest amounts of total polyphenols, flavonoids, and anthocyanins were detected in freeze-dried black chokeberry extracts after sun and oven-drying. 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2-azino-bis-3-ethylbenzothiazoline-6-sulphonic acid (ABTS), and superoxide anion scavenging activities in black chokeberry extracts were also evaluated. Freeze-dried berries produced strongest antioxidant activities. Freeze-drying was the optimal drying method for maintaining high levels of bioactive compounds in 80% ethanol extracts of dried black chokeberries.
研究了在黑醋栗中保持高水平生物活性化合物和抗氧化活性的最佳干燥技术。评估了3种干燥方法对80%乙醇提取物中总生物活性化合物含量和抗氧化活性的影响。新鲜黑醋栗采用晒干、冷冻干燥和烘干进行干燥。在晒干和烘干后的冷冻干燥黑醋栗提取物中检测到最高含量的总多酚、黄酮类化合物和花青素。还评估了黑醋栗提取物中的2,2-二苯基-1-苦基肼（DPPH）、2,2'-联氮-双-3-乙基苯并噻唑啉-6-磺酸（ABTS）和超氧阴离子清除活性。冷冻干燥的浆果产生最强的抗氧化活性。冷冻干燥是在干燥黑醋栗的80%乙醇提取物中保持高水平生物活性化合物的最佳干燥方法。
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