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J Cosmet Dermatol:每天饮用djulis饮料可以保护皮肤免受氧化应激的损害,延缓皮肤衰老,改善皮肤状况

2022-08-25 MedSci原创 MedSci原创

Djulis(Chenopodium formosanum Koidz.)是一种原生谷类作物和酿酒原料,富含多种营养物质,包括淀粉、蛋白质(必需氨基酸)和膳食纤维。

Djulis(Chenopodium formosanum Koidz.)是一种原生谷类作物和酿酒原料,富含多种营养物质,包括淀粉、蛋白质(必需氨基酸)和膳食纤维,其抗氧化剂和色素成分可能会保护皮肤免受光老化,但尚未进行结论性的实验。近日,发表于 J Cosmet Dermatol 的一项研究评估了djulis提取物作为功能补充剂的效果。在这项研究中,研究人员探讨了 djulis 功能饮料对自由基清除活性、促进胶原蛋白合成和保护氧化应激的影响,以及pUC119 DNA的紫外线B(UVB)照射的影响。

采用双盲交叉研究设计,纳入30名健康受试者(35-55岁),随机分组,分别接受djulis或安慰剂饮料(每个受试者每天喝50毫升djulis/安慰剂饮料,共8周)。

结果显示,相对于基线对照,定期饮用djulis功能饮料在8周后显著提高了血清生化超氧化物歧化酶(SOD)和过氧化氢酶的水平(+9.5%和+124.8%)。与基线相比,8周后djulis组的皮肤水分、亮度、弹性、鱼尾纹、质地、皱纹、毛孔和胶原蛋白含量的改善分别为+13.3%、+3.8%、+13.2%、-21.8%、-12.1%、-11.0%、-1.4%和+33.7%。

综上所述,这些工作结果表明,每天饮用djulis饮料可以保护皮肤免受氧化应激引起的损害,延缓皮肤衰老,改善皮肤状况。Djulis饮料表现出相当大的自由基清除活性,增加了细胞活力和成纤维细胞的胶原蛋白合成。补充Djulis饮料能明显改善血液中的SOD和过氧化氢酶水平,并且这种改善在研究后得以保持。因此,djulis功能饮料的成分具有协同的抗氧化和抗衰老作用。

原始出处:

Tsung-Yi Tsai, et al., Djulis supplementation against oxidative stress and ultraviolet radiation-induced cell damage: The influence of antioxidant status and aging of skin in healthy subjects. J Cosmet Dermatol. 2022 Jul;21(7):2945-2953. doi: 10.1111/jocd.14482. 

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    2023-02-21 tcm99hq
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    2022-11-05 一闲
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