花青素饮料缓解人体视疲劳作用研究

Clinical results of anthocyanin soft drink on asthenopia relief

研究花青素饮料对人体视疲劳的缓解作用。选择视力易疲劳的有效受试者100名,其中试食组和对照组各50人,试食组口服花青素饮料(310 m L)1次/d,1罐/次,对照组为空白对照组。试食30 d后,对受试者进行常规观察、安全性检查、眼部症状检查眼科常规检查、明视持久度测定和视力检查等。结果表明,试食组视疲劳症状明显改善,平均明视持久度为较对照组显著提高,缓解视疲劳的有效率达44%。因此,花青素饮料具有效缓解人体视疲劳的功能。

The effect of anthocyanin soft drink on the asthenopia relief was evaluated. The clinical trials were randomly divided into experiment groups（50 volunteers） and the control（50 volunteers）. The general information, security check, eye symptom, eyesight and duration of photopic vision were measured before and after 30 d experiment. The results showed that the eye ache, eye bulge, photophobia, eye blur, eye drying and duration of photopic vision of the experiment group were significantly alleviated by the supply of the anthocyanin soft drink for 30 days. The total effective rate of the asthenopia relief in experiment group was 44% that was significant higher than that of the control. Hence, the anthocyanin soft drink alleviated effectively the asthenopia.