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首页> 外文期刊>Journal of food engineering >Effective Drying Of Citrus By-product By High Speed Drying: A Novel Drying Technique And Their Antioxidant Activity
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Effective Drying Of Citrus By-product By High Speed Drying: A Novel Drying Technique And Their Antioxidant Activity

机译：通过高速干燥有效干燥柑橘副产物的新干燥技术及其抗氧化活性

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摘要

The citrus by-products (CBP) released from the citrus processing plants may contain high amount of potential bioactive compounds. Hence, this study aims to evaluate the antioxidant activity of CBP prepared using a novel drying technique known as high speed drying (HSD), economically and efficiently. HSD extract showed high amount of polymethoxylated flavones (heptamethoxyflavone and nobiletin) and flavanone (hesperidin and naritutin). The antioxidant activity was evaluated by means of DPPH, hydroxyl and alkyl radical scavenging assays and lipid peroxidation assay. HSD extract showed strong activities on radical scavenging (IC_(50) value of DPPH, hydroxyl and alkyl radicals scavenging were 0.16, 0.5, 0.019 mg/mL, respectively) and lipid peroxidation inhibition. These results suggest that the flavo-noids and other phenolic compounds in the HSD extract could be good radical scavengers. Hence, HSD method is an effective and efficient method to transform citrus by-products into dried form and could be used in food and pharmaceutical industry as a natural antioxidant agent.
机译：从柑橘加工厂释放的柑橘副产品（CBP）可能含有大量潜在的生物活性化合物。因此，本研究旨在经济有效地评估使用称为高速干燥（HSD）的新型干燥技术制备的CBP的抗氧化活性。 HSD提取物显示出大量的聚甲氧基黄酮（庚甲氧基黄酮和诺比列汀）和黄烷酮（橙皮苷和那利汀）。通过DPPH，羟基和烷基自由基清除测定法和脂质过氧化测定法评估抗氧化剂活性。 HSD提取物具有较强的清除自由基活性（DPPH的IC_（50）值，清除的羟基和烷基自由基分别为0.16、0.5、0.019 mg / mL）和抑制脂质过氧化的活性。这些结果表明，HSD提取物中的黄酮类和其他酚类化合物可能是良好的自由基清除剂。因此，HSD方法是一种将柑橘类副产物转化为干燥形式的有效方法，可作为天然抗氧化剂用于食品和制药行业。

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