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蜂胶预防老年性黄斑变性
2017-08-23 10:09:15 中国青年网
老年性黄斑变性又称为相关性黄斑变性(AMD),是由于感知光、形状、颜色的视网膜细胞产生了异变,看事物变的扭曲,中心视力严重受损的一种眼部疾病。
最新的研究结果显示,蜂胶通过抗氧化作用,保护视觉细胞免受外部强光的刺激,具有预防或者延缓老年性黄斑变性发生的可能性。
引起老年性黄斑变性的一个主要原因是,受到强光照射后身体会发生氧化反应,从而产生大量的氧化应激,而这些氧化应激会破坏视觉细胞,造成视觉细胞的死亡,从而引起了黄斑变性病变。如果可以有效的预防强光对眼睛的刺激,减少眼睛氧化反应的话,可能会预防或者延缓老年性黄斑变性的发生。日本的研究团队近日通过利用具有较强抗氧化能力的蜂胶,进行了—项预防老年性黄斑变性的研究。
研究中发现,服用蜂胶后视觉细胞就算受到强光的刺激后,也不会出现死亡的现象,从而了解到蜂胶具有保护视觉细胞的作用。研究团队还使用具有视觉障碍的动物模型,在服用蜂胶后进行强光照射,并观察服用蜂胶后动物视觉细胞的变化。结果显示,没有服用蜂胶进行强光照射后,视觉障碍动物的视觉细胞大量的死亡,而服用了蜂胶后,就算进行强光照射,视觉细胞的数量也没有出现明显的减少。所以说,蜂胶可以起到免受平日中强光的刺激,有效的保护视觉细胞。
我国权威药典《中华本草》也充分肯定了蜂胶的功效
蜂胶是蜜蜂从植物芽孢或树干上采集的树脂(树胶),混入其上腭腺、蜡腺的分泌物加工而成的一种具有芳香气味的胶状固体物。
《中华人民共和国药典》2005年版第一部249页对蜂胶药性、功效进一步概括:蜂胶性苦、辛寒;适应症:抗菌消炎、调节免疫、抗氧化、加速组织愈合。用于高血脂症和糖尿病的辅助治疗。《中华本草》也充分肯定了蜂胶的八大功效:1、抗病原微生物;2、抗肿瘤;3、促进组织修复;4、降低血液黏稠度,改善微循环,净化血液;5、保肝护肝;6、抗氧化、清除自由基;7、镇静、麻醉和其他神经系统作用;8、对支气管炎、鼻炎、鼻咽炎、哮喘有很好的修复作用。
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