SOD强化奶片的抗氧化性及对人体经络电压的作用
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国家重点研发计划专项(2016YFD0400200);国家自然科学基金项目(31500685);浙江省自然科学基金项目(LY16C050002)


The Anti-oxidative Capacity of Milk Tablet Enriched with SOD (MKTES) and Its Effect on Human Electrical Potential
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    摘要:

    超氧化物歧化酶(SOD)是生物体内产生的一种主要抗氧化酶,能够针对性清除呼吸代谢产生的超氧阴离子自由基。牛奶中自身含有SOD,SOD也被作为食品添加剂加入乳制品中,用于提高产品的抗氧化性,具有保健的作用。为了研究SOD强化奶片的抗氧化性,以及从对人体经络电压作用的角度研究其功能,对奶片(1.00 g奶粉)和SOD强化奶片(0.99 g奶粉+0.01 g 2.53×106 U/g SOD酶)分别进行氧化-还原电位(ORP)、DPPH自由基清除能力、SOD活力检测。召集20名健康志愿者,随机分为两组进行双盲试验,奶片组含服1片奶片,SOD强化奶片组则含服1片SOD强化奶片。实时记录志愿者左侧12条经络,并且在监测的第25 min开始含服,含服前、后一共记录85 min。实验结果显示,与奶片相比,SOD强化奶片的SOD活性和还原性(ORP值降低)显著增加,在质量浓度为1.250 mg/mL与1.562 mg/mL时,可增加对DPPH自由基的清除率,在3.125 mg/mL时则降低对DPPH自由基的清除率。经络电压监测结果显示:针对肺经和胆经经络电压,奶片没有影响,而SOD强化奶片有影响;针对大肠经、脾经、小肠经、膀胱经、三焦经和肝经经络电压,奶片有影响,SOD强化奶片的影响更强;针对胃经、心经、肾经和心包经经络电压,奶片和SOD强化奶片都有一定的影响,且作用相似。

    Abstract:

    Superoxide dismutase (SOD) is a kind of main antioxidant enzyme produced in organism, which can eliminate superoxide anion produced by respiratory metabolism. Milk contains SOD, and SOD is added to dairy products as a food additive to improve the oxidation resistance of products. In order to study the antioxidant activity of milk tablet enriched with SOD(MKTES) and its function from the perspective of its effect on the electrical potential difference(EPD) of 12 acupuncture meridians, the oxidation-reduction potential (ORP), DPPH free radical scavenging capacity and SOD activity were studied respectively for the milk tablet (1.00 g milk powder) and MKTES (0.99 g milk powder + 0.01 g 2.53×106 U/g SOD). 20 healthy volunteers were recruited and randomly divided into two groups for a double-blind clinical trial. The subjects in milk tablet group took sublingually 1 milk tablet, while the MKTES group took 1 tablet of MKTES. The EPD of 12 meridians on the left side were recorded in real time. Samples were took at the 25th min. The whole procedure continued 85 mins. The results showed that SOD activity and reducibility(ORP value decreased) of MKTES were significantly increased compared with the milk tablet. DPPH radical scavenging rate increased at the concentration of 1.250 and 1.562 mg/mL but decreased at 3.125 mg/mL. The results of EPD monitoring showed that the milk tablet had no effect on the EPD of Lung Meridian and Gallbladder Meridian, while MKTES had. Compared with the milk tablet, MKTES has a stronger effect on the EPD of Large Intestine Meridian, Spleen Meridian, Small Intestine Meridian, Bladder Meridian, Triple Energizer Meridian and Liver Meridian. Both milk tablet and MKTES have certain effects on the EPD of Stomach Meridian, Heart Meridian, Kidney Meridian and Pericardium Meridian.

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严苏晴;俞晓卫;郭静科;许明明;陈卢杭;王强;柯李晶;饶平凡. SOD强化奶片的抗氧化性及对人体经络电压的作用[J].中国食品学报,2021,21(6):107-113

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  • 在线发布日期: 2021-07-16
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