1. 毕业设计（论文）的内容、要求、设计方案、规划等
黄酮类物质具有抗氧化、抗炎、抗肿瘤、抗病毒、解毒护肝等药理活性，并且对防治心脑血管疾病、免疫系统疾病等效果显著。
但不同植物来源的黄酮类化合物在组成和活性上存在较大差异。
研究表明，桂花中富含黄酮类物质，但目前桂花黄酮的结构尚未得到解析。
2. 参考文献（不低于12篇）
1. 王丽梅, 余龙江, 崔永明, 项俊: 桂花黄酮的提取纯化及抑菌活性研究. 天然产物研究与开发 2008(04):717-720.2. 靳熙茜: 酶水解技术在桂花资源开发中的应用研究. 硕士. 武汉工业学院; 2010.3. Lee HH, Lin CT, Yang LL: Neuroprotection and free radical scavenging effects of Osmanthus fragrans. Journal of biomedical science 2007, 14(6):819-827.4. Wu L-c, Chang L-H, Chen S-H, Fan N-c, Ho J-aA: Antioxidant activity and melanogenesis inhibitory effect of the acetonic extract of Osmanthus fragrans: A potential natural and functional food flavor additive. LWT - Food Science and Technology 2009, 42(9):1513-1519.5. Hung CY, Huang FL, Shi LS, Ka SM, Wang JY, Tsai YC, Hung TJ, Ye YL: The Ethanol Extract of Osmanthus fragrans Flowers Reduces Oxidative Stress and Allergic Airway Inflammation in an Animal Model. Evidence-based complementary and alternative medicine : eCAM 2013, 2013:304290.6. Hung CY, Tsai YC, Li KY: Phenolic antioxidants isolated from the flowers of Osmanthus fragrans. Molecules (Basel, Switzerland) 2012, 17(9):10724-10737.7. Yoo KH, Park JH, Lee DK, Fu YY, Baek NI, Chung IS: Pomolic acid induces apoptosis in SK-OV-3 human ovarian adenocarcinoma cells through the mitochondrial-mediated intrinsic and death receptor-induced extrinsic pathways. Oncology letters 2013, 5(1):386-390.8. Youdim KA, Shukitt-Hale B, Joseph JA: Flavonoids and the brain: interactions at the blood-brain barrier and their physiological effects on the central nervous system. Free radical biology medicine 2004, 37(11):1683-1693.9. Hollman PC, Bijsman MN, van Gameren Y, Cnossen EP, de Vries JH, Katan MB: The sugar moiety is a major determinant of the absorption of dietary flavonoid glycosides in man. Free radical research 1999, 31(6):569-573.10. Thilakarathna SH, Rupasinghe HP: Flavonoid bioavailability and attempts for bioavailability enhancement. Nutrients 2013, 5(9):3367-3387.
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