Food Bioscience
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2023
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IF 5.2
Xuewen Dong,Jie Tang,Xiaoting Qin,Shenglan Tian,Huasi Lin,Qiang Yu,Xiaobo Hu,Mingyong Xie
The research was conducted to investigate the quality changes of basic physicochemical indicators, functional components and appearance, such as, pH, total color difference, Browning Index, polyphenols, flavonoids , anthocyanins , VC, and 5-hydroxymethylfurfural content and so on of Dendrobium officinale flower juice (DOFJ) under the dark storage conditions of 4, 25 and 37 °C and the natural light irradiation storage conditions of 25 °C for 8 weeks. Correlation and path analyses were used to analyze the causes of color degradation of DOFJ. Although measures had been taken during the preparation process to inhibit enzymatic browning by deactivating the activity of polyphenol oxidase (PPO), DOFJ was still unstable under four storage conditions, especially for color degradation. With the increase of temperature and time, the basic physicochemical indexes did not change significantly, but the content of functional components gradually decreased, and the appearance gradually deteriorated. The path analysis indicated that anthocyanins degradation was the key factor of color degradation of DOFJ, and low temperature and light protection could delay the degradation of anthocyanins. The main cause of color degradation of DOFJ during storage was identified, which provided a basis for further inhibiting color degradation of flower juice.
研究领域:
食品科学
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植物化学
✓ 已验证
产品关联
DOI
高影响因子
Journal of Cosmetic Dermatology
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2024
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IF 2.3
Xing-Li-Shang He,Ning Wang,Xi Teng,Nan-Nan Wang,Zhi-Yi Xie,Ying-Jie Dong,Min-Qiu Lin,Ze-Hua Zhang,Mei Rong,Yi-Gong Chen,Bo Li,Gui-Yuan Lv,Su-Hong Chen
Background Dendrobium officinale flowers (DOF) have the effects of antiaging and nourishing yin, but it lacks pharmacological research on skin aging. Objective Confirming the role of DOF in delaying skin aging based on the “in vitro animal–human” model. Methods In this experiment, three kinds of free radical scavenging experiments in vitro, D-galactose-induced aging mouse model, and human antiaging efficacy test were used to test whether DOF can improve skin aging through anti-oxidation. Results In vitro experiment shows that DOF has certain scavenging effect on 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical, hydroxyl free radical, and superoxide free radical, and its IC 50 is 0.2090 μg/mL, 15.020, and 1.217 mg/mL respectively. DOF can enhance the activities of T-AOC, SOD, CAT, and GSH Px in the serum of aging mice, increase the content of GSH, and reduce the content of MDA when administered with DOF of 1.0, 2.0, and 4.0 g/kg for 6 weeks. In addition, it can enhance the activity of SOD in the skin of aging mice, increase the content of Hyp, and decrease the content of MDA, activated Keap1/Nrf2 pathway in the skin of aging mice. Applying DOF with a concentration of 0.2 g/mL on the face for 8 weeks can significantly improve the skin water score and elasticity value, reduce facial wrinkles, pores, acne, and UV spots, and improve the facial brown spots and roughness. Conclusion DOF can significantly improve skin aging caused by oxidative stress, and its mechanism may be related to scavenging free radicals in the body and improving skin quality.
研究领域:
药理学
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化妆品科学
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衰老研究
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生物化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）