桑叶
别 称
绿萝、家桑、荆桑、桑椹树、黄桑叶、桑枣树
味甘、苦，
桑叶中含有丰富的氨基酸、纤维素、维生素、矿物质以及多种生理活性物质，
有疏散风热、清肺润燥、清肝明目的功效，可治疗风热感冒，肺热燥咳，头晕头痛，目赤昏花的病症。
现代中、西医把桑叶和桑叶生物制剂作为改善糖尿病及其他各种疑难杂症的药物而使用，认为其药效极为广泛。有清肺润燥、止咳、去热、化痰、治盗汗;补肝、清肝明目、治疗头晕眼花、失眠、消除眼部疲劳;消肿、清血‘治疗痢疾、腹痛、减肥、除脚气、凉血、降血压、降血脂、预防心肌梗塞、脑溢血、祛头痛、降血糖、抗糖病等。
桑叶中的芸香苷、槲皮素、槲皮苷能增加离体及在位蛙心的收缩力与输出量，并减少心率。芸香苷使蟾蜍下肢及兔耳血管收缩，槲皮素可扩张冠状血管，改善心肌循环。γ-氨基丁酸、芸香苷、槲皮素有降血压的作用。桑叶有抑制脂肪肝的形成、降低血清脂肪和抑制动脉粥样硬化形成的作用。活性成分包括DNJ、植物甾醇、黄酮类等。
桑叶中含有强化毛细血管、降低血液黏度的黄酮类成分，另外桑叶茶内含有抗体内LDL-脂蛋白氧化的成分，所以桑叶在减肥、改善高脂血症的同时，又有预防心肌梗死和脑溢血的作用。日本专家土井佳代证实，桑叶提取物对高脂血症血清脂质升高及动脉粥样硬化有抑制作用。桑叶能预防癌细胞生成，提高人体免疫力主要功能成分是DNJ、类黄酮、桑素、γ-氨基丁酸及维生素，能抑制染色体突变和基因突变。
Mulberry, a plant that grows in China, Korea and Japan, has been used in traditional Chinese medicine, in particular as an herbal tea. Mulberry leaf tea's health benefits are attributed to its naturally occurring compound, 1-deoxynojirimycin, or DNJ. DNJ is responsible for mulberry's antidiabetic effects, which have been studied extensively. Mulberry leaf tea also has powerful antioxidant properties and has been found to lower cholesterol and triglycerides and reduce inflammation.mulberry leaves contain calcium, iron and zinc. Mulberry also contains the antioxidants ascorbic acid and beta carotene. Antioxidants inhibit cellular damage caused by free radicals, which get created during food digestion and smoke and radiation exposure. Regularly consuming foods and drinks rich in beta carotene may reduce your risk of cancer, according to PubMed Health.
In a study published in 2013 in "BioMed Research International," triglyceride and LDL cholesterol levels were lowered significantly in patients given 280 grams of mulberry leaf powder three times daily for three months. A study published in 2010 in the "Journal of Clinical Biochemistry and Nutrition" found similar results after giving participants 12 milligrams of mulberry leaf extract three times daily for three months. These studies suggest that regular heavy doses of this herb may be required to see significant results in lowering cholesterol and triglycerides. However, sipping some mulberry leaf tea regularly may help prevent high cholesterol.
Daily take fresh mulberry leaves fifty grams cook with water, drink three times a day , usually 15 days effective, long-term use can improve the role of constipation.
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