Su Ying-Zhen, Lu Pei-Luen
Department of Life Sciences, National Taitung University, Taitung 950309, Taiwan.
Life (Basel). 2024 Jun 21;14(7):786. doi: 10.3390/life14070786.
Dragon's blood () is a traditional Chinese medicine known for its wound hemostasis, blood circulation, and stasis properties. Recently, it has also been utilized in cosmetics, though its antioxidant capacity remains unclear. This study aims to stabilize the bioactivity of dragon's blood using various plant extracts. We evaluated single plant extracts and their combinations to identify the conditions that maintained the antioxidant capacity of dragon's blood the longest. Selected plants included , , sp., , and . We used two sources of dragon's blood: and . Extraction conditions were optimized and antioxidant activity was assessed using the free radical scavenging ability of 1,1-diphenyl-2-picrylhydrazyl (DPPH), total anthocyanin concentration (TAC), total polyphenol content (TPC), the free radical scavenging activity of ABTS, and a ferric reducing antioxidant power (FRAP) assay. The results showed that all plant extracts exhibited high antioxidant capacity. had the highest DPPH scavenging ability at 93.81%, with the best combination being green tea and at 92.57%. had the highest TPC at 9921 mg GAE/100 g, with the best combination (green tea and ) at 10500 mg GAE/100 g. ABTS activity was highest for green tea at 98.3%, with the best combination ( and ) at 93.29%. The FRAP assay showed that green tea had the highest electron-donating potential at 3.85 mg/mL, with the best combination ( and ) at 3.71 mg/mL. This study advances our understanding of the antioxidant properties of these plants and the traditional Chinese medicine dragon's blood, enhancing the efficacy of dragon's blood in skincare and cosmetics. Moreover, the application of these extracts could rejuvenate local agriculture, impacting the skincare, cosmetics, and sustainable agriculture sectors.
血竭是一种以止血、促进血液循环和化瘀特性而闻名的传统中药。最近，它也被用于化妆品中，但其抗氧化能力仍不明确。本研究旨在利用各种植物提取物来稳定血竭的生物活性。我们评估了单一植物提取物及其组合，以确定能使血竭抗氧化能力维持最长时间的条件。所选植物包括[具体植物名称1]、[具体植物名称2]、[植物学名3]、[具体植物名称4]和[具体植物名称5]。我们使用了两种血竭来源：[血竭来源1]和[血竭来源2]。优化了提取条件，并使用1,1 - 二苯基 - 2 - 苦基肼（DPPH）的自由基清除能力、总花青素浓度（TAC）、总多酚含量（TPC）、ABTS的自由基清除活性以及铁还原抗氧化能力（FRAP）测定法评估抗氧化活性。结果表明，所有植物提取物都表现出较高的抗氧化能力。[具体植物名称6]的DPPH清除能力最高，为93.81%，最佳组合是绿茶和[具体植物名称7]，清除率为92.57%。[具体植物名称8]的TPC最高，为9921 mg GAE/100 g，最佳组合（绿茶和[具体植物名称9]）为10500 mg GAE/100 g。绿茶的ABTS活性最高，为98.3%，最佳组合（[具体植物名称10]和[具体植物名称11]）为93.29%。FRAP测定法表明，绿茶的供电子潜力最高，为3.85 mg/mL，最佳组合（[具体植物名称12]和[具体植物名称13]）为3.71 mg/mL。本研究增进了我们对这些植物以及传统中药血竭抗氧化特性的理解，提高了血竭在护肤品和化妆品中的功效。此外，这些提取物的应用可以振兴当地农业，对护肤品、化妆品和可持续农业领域产生影响。
