CN108354917A - 含茶氨酸、磷脂酰丝氨酸和虾青素的缓解视疲劳的组合物 - Google Patents

含茶氨酸、磷脂酰丝氨酸和虾青素的缓解视疲劳的组合物 Download PDF

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CN108354917A
CN108354917A CN201810146015.7A CN201810146015A CN108354917A CN 108354917 A CN108354917 A CN 108354917A CN 201810146015 A CN201810146015 A CN 201810146015A CN 108354917 A CN108354917 A CN 108354917A
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phosphatidylserine
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魏巍
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Chengdu Map Biotechnology Co Ltd
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Abstract

本发明涉及含茶氨酸、磷脂酰丝氨酸和虾青素的缓解视疲劳的组合物,属于医药健康领域。本发明提供了缓解视疲劳的组合物,其活性成分包括茶氨酸、磷脂酰丝氨酸和虾青素。人群试用结果表明,本发明组合物不仅针对视疲劳眼睛局部症状,更能够明显改善不同程度视疲劳引起的全身症状,如注意力不集中、记忆力下降等,缓解视疲劳效果显著,具有广阔的市场前景。

Description

含茶氨酸、磷脂酰丝氨酸和虾青素的缓解视疲劳的组合物
技术领域
本发明涉及含茶氨酸、磷脂酰丝氨酸和虾青素的缓解视疲劳的组合物,属于医药健康领域。
背景技术
视疲劳又称眼疲劳,是以患者眼的自觉症状为基础,眼或全身器质性因素与精神(心理)因素相互交织的综合征,并非独立的眼病,因而常常被称为眼疲劳综合征(参见:1、李凤鸣.中华眼科学[M].北京:人民卫生出版社,2006,7~8;2、渠鸿颖等.视疲劳病因及其治疗的研究进展[J].中国中医眼科杂志,2003,14(1):59~61)。轻度视疲劳会在用眼后出现眼部酸、胀等眼部症状,休息后很快恢复;中度视疲劳会有明显的眼部症状,影响学习和工作;重度视疲劳除有明显的眼部症状和视作业不能持久外,还有记忆力减退、失眠等全身不适症状,干扰患者的视觉和生活质量,严重影响学习、工作和生活(参见:马越.花青素饮料缓解视疲劳作用的人体试验观察.中国食品学报[J].2015,8(15):8)。
大量的临床实践证明,屈光不正是视疲劳的主要原因之一,如远视、散光、近视患者,在未予矫正屈光不正时,看远或看近时动用较大的调节使睫状肌持续紧张造成患者的调节性视疲劳。另外,长时间近距离工作、工作或阅读环境照明不足等因素都可以导致人眼调节紧张,产生视疲劳。患者的精神状态和全身情况也与视疲劳的发生密切相关,精神压力大、体质衰弱的患者易产生视疲劳。
随着手机、平板电脑广泛进入人们的生活,人群全体用眼时间不断延长,近距离用眼强度增大,各年龄阶层视疲劳的发生率急速增多。能够改善视疲劳,并缓解由视疲劳带来的注意力、记忆力下降等问题的产品越来越受到消费者青睐。
目前,市面上改善视疲劳的产品通常仅针对蓝光损伤本身,对眼睛局部症状的改善效果不明显,而且并不能解决不同程度视疲劳引起的其他症状,如注意力不集中,记忆力下降等。因此,提供一种对视疲劳眼睛局部症状及全身症状缓解效果明显的产品,成为了一个亟待解决的问题。
发明内容
本发明的目的在于提供缓解视疲劳的组合物。
本发明提供了缓解视疲劳的组合物,活性成分包括茶氨酸、磷脂酰丝氨酸和虾青素。
进一步地,所述活性成分的重量配比为:茶氨酸20~1000份、磷脂酰丝氨酸10~1000份、虾青素1~250份。
进一步地,所述活性成分的重量配比为:茶氨酸100~400份、磷脂酰丝氨酸100~600份、虾青素4~25份。
优选地,所述活性成分的重量配比为:茶氨酸200~400份、磷脂酰丝氨酸200~500份、虾青素4~12份。
进一步优选地,所述活性成分的重量配比为:茶氨酸:磷脂酰丝氨酸:虾青素=(1~2):1:(0.04~0.12)。
进一步地,活性成分还包括DHA、叶黄素、叶黄素酯、(3R,3'R)-二羟基-β-胡萝卜素中一种或两种以上的混合物。
进一步地,活性成分还包括DHA 10~1000份。
进一步地,活性成分还包括叶黄素和/或叶黄素酯0.6~25份。
进一步地,活性成分还包括(3R,3'R)-二羟基-β-胡萝卜素0.2~10份。
进一步地,所述的组合物是各重量配比的活性成分,加入可接受的辅料或者辅助性成分制备而成的食品、保健品或药品。
进一步地,所述食品、保健品或药品为口服形式。
进一步地,所述食品或保健品为糖果、饮料、饼干、面包、果冻或膳食补充剂。
本发明提供了所述组合物的制备方法,包括如下步骤:取各重量配比的活性成分,加入食品、保健品或药品中可接受的辅料或者辅助性成分,即得。
本发明提供了所述组合物在制备缓解视疲劳的食品、保健品或药品中的用途。
进一步地,所述食品、保健品或药品具有缓解视疲劳所致眼睛局部症状和/或全身症状的功效。
进一步地,所述眼睛局部症状为眼酸痛、眼胀、畏光、视物模糊、眼干涩、异物感或流泪。
进一步地,所述全身症状为注意力下降、记忆力减退、焦虑或失眠。
虾青素,全称为3,3-二羟基-β胡萝卜素-4,4-酮,世界上最强的天然抗氧化剂之一,其清除自由基的能力是维生素C的6000倍,是维生素E的1000倍,是辅酶Q10的800倍,是一氧化氮的1800倍,是β-胡萝卜素功效的100倍。人类视网膜和中枢神经系统(脑)富含不饱和脂肪酸,因此,氧化产生的自由基很容易使其发生过氧化损伤。天然虾青素很容易通过血脑屏障和细胞膜,能有效地防止视网膜的氧化和感光细胞的损伤。本发明所述虾青素优选雨生红球藻来源。
本发明提供了缓解视疲劳的组合物。人群试用结果表明,本发明组合物不仅针对视疲劳眼睛局部症状,更能够明显改善不同程度视疲劳引起的全身症状,如注意力不集中、记忆力下降等,缓解视疲劳效果显著,具有广阔的市场前景。
具体实施方式
本发明具体实施方式中使用的原料、设备均为已知产品,通过购买市售产品获得。
本发明提供了缓解视疲劳的组合物,其活性成分包括茶氨酸、磷脂酰丝氨酸和虾青素。
茶氨酸可以抑制谷氨酸的毒性,保护神经元;具有促进脑波中α波产生的功能,从而引起轻松、愉快的感觉,缓解抑郁和焦虑情绪;降血压;促进注意力集中,增进反应速度和准确性。
神经细胞膜中含有大量的磷脂酰丝氨酸,其对神经细胞的维持、修复及功能具有重要作用。研究表明,补充磷脂酰丝氨酸能减缓甚至逆转痴呆或者与衰老相关的学习、情绪、记忆、注意力下降。
本发明通过将茶氨酸、磷脂酰丝氨酸和虾青素组合使用,不仅能够有效改善由视疲劳带来的严重影响工作与生活的全身不适症状,包括可以减轻或缓解注意力及记忆力下降问题,试用者普遍反映使用后情绪焦虑缓解明显,由眼疲劳引发的睡眠问题也明显缓解,而且,人群试用试验表明,本发明组合物改善视疲劳眼睛局部症状的效果较单用虾青素更加明显,比如,眼酸痛、眼胀、畏光、视物模糊、眼干涩、异物感、流泪等症状都能够得到一定程度的改善,对视疲劳的治疗效果十分显著。
实施例1本发明组合物的制备
原料重量配比:茶氨酸200~400份、磷脂酰丝氨酸200~500份、虾青素4~12份、DHA 100~400份、叶黄素酯5~15份、(3R,3'R)-二羟基-β-胡萝卜素1~5份。
制备方法:
1、按重量配比将茶氨酸、磷脂酰丝氨酸、虾青素、DHA、(3R,3'R)-二羟基-β-胡萝卜素、叶黄素酯混合均匀后加入糖浆搅拌均匀。
2、注模冷却成型后可按需制成硬质、奶糖、夹心、酥质、焦香(太妃)、充气、凝胶、胶基、压片、流质、膜片、花式等糖果类型,以及巧克力及巧克力制品、代可可脂巧克力和代可可脂巧克力制品、果冻(果汁型、果肉型、果味型、乳汁型等)等糖果制品。
实施例2本发明组合物的制备
原料重量配比:茶氨酸200~500份、磷脂酰丝氨酸200~500份、虾青素4~25份、DHA 100~400份、(3R,3'R)-二羟基-β-胡萝卜素1-10份、叶黄素酯1~25份。
制备方法:选择茶氨酸、磷脂酰丝氨酸、虾青素、(3R,3'R)-二羟基-β-胡萝卜素、叶黄素酯的原料混合,加入所需的处理水和30-45液态奶进行充分搅拌、溶解、均质,均质压力为25Mpa,再进行超高温灭菌,无菌包装,经检验合格后入库。
实施例3本发明组合物的制备
原料重量配比:茶氨酸200~600份、磷脂酰丝氨酸100~600份、虾青素1~25份、DHA 100~600份、(3R,3'R)-二羟基-β-胡萝卜素0.2-10份、叶黄素酯0.6~25份。
制备方法:选择茶氨酸、磷脂酰丝氨酸、虾青素、DHA、(3R,3'R)-二羟基-β-胡萝卜素、叶黄素酯,搅拌均匀,臭氧灭菌,灌装,可直接冲服或作为功能性辅料加入到其它食品中。
以下通过试验例证明本发明的有益效果。
试验例1本发明组合物缓解视疲劳及其相关症状的试用观察
设置9个试验组,分别按表2所示用量取茶氨酸、磷脂酰丝氨酸、虾青素,将其装入等大不透明胶囊,供眼疲劳患者试服,连续服用60天(表2对应每日服用量),观察试用效果。
根据《视疲劳诊疗专家共识》(2014年)诊断为视疲劳患者270例,症状包括视觉障碍:近距离工作或阅读不持久,出现暂时性视物模糊或重影;眼部不适:眼胀、眼痛、眼烧灼感、流泪、眼痒、眼异物感及眼眶疼痛。全身症状:易疲劳,头痛、头晕,记忆力减退,记忆力下降,焦虑,烦躁,以及其他神经官能症的症状。年龄18-65岁,随机分9组。根据国食药监保化[2012]107号《缓解视疲劳功能评价方法》制订视疲劳评定量表,见表1。全身症状进行单项评分:注意力下降评价(0分:能坚持专注工作或学习30分钟;1分:偶有注意力下降;2分:时有注意力下降;3分:经常有注意力下降);记忆力下降评价(0分:昨日事情全部能回忆;1分:偶有记忆力下降;2分:时有记忆力下降;3分:经常有记忆力下降);注:“偶有”是指1-2次/2天;“时有”是指1-3次/天;“经常”是指>3次/天。计算服用前、服用60天积分降低率:(治疗前总积分-治疗后总积分)/治疗前总积分×100%,治疗后积分降低率≥30%为有效。计算两组症状改善例数和两组症状改善有效率。症状改善有效率(%)计算方法为症状改善例数/试食例数×100。将两组症状改善有效率进行统计学检验。结果见表2。
表1视疲劳评定量表(半定量积分法)
注:“偶感”是指1-2次/2天;“时有”是指1-3次/天;“经常”是指>3次/天
表2症状积分改善有效率统计结果
试验组1仅添加了虾青素,试用结果表明其具有显著的缓解视疲劳眼睛局部症状的效果,服用60天后改善率达到56%,但起效较慢,服用1天有效率仅为44%。
试验组2、4~9在虾青素的基础上添加了磷脂酰丝氨酸和茶氨酸,结果明显加速了对眼睛局部症状的缓解效果,服用1天后显效更加明显,而且长期服用后对眼睛局部症状的缓解效果较试验组1更佳。试验组3效果降低,可能是由于虾青素的添加量较少,没有达到起效量。此外,加入磷脂酰丝氨酸和茶氨酸的试验组还能明显改善注意力和记忆力等全身症状。
从试验组2~9可以看出,茶氨酸、磷脂酰丝氨酸和虾青素在本发明限定的配比范围内(即茶氨酸20~1000份、磷脂酰丝氨酸10~1000份、虾青素1~250份)组合使用,均能够发挥明显的缓解视疲劳的作用,对影响视疲劳人群的眼睛局部症状和全身症状均有明显疗效。其中,优选比例为:茶氨酸200~400份、磷脂酰丝氨酸200~500份、虾青素4~12份。
在本实验中观察到,服用产品1天后,服用者出现明显的焦虑和烦躁降低、疲劳感减轻、视疲劳相关的全身症状如头痛、眼睛局部症状如视物模糊或重影明显减轻。长期效果在15~30天后逐渐显现,60天比较稳定,视疲劳相关的眼睛局部(眼胀、眼痛、眼干、烧灼感、异物感、视物模糊或重影)等有较好的改善作用。实验中还发现注意力和记忆力都有明显的改善作用。当茶氨酸、磷脂酰丝氨酸和虾青素复配后,既改善视疲劳全身症状又改善眼睛局部症状,抗视疲劳作用在各自领域中都有提升,尤其是最优比例范围效果较为明显。

Claims (12)

1.缓解视疲劳的组合物,其特征是:活性成分包括茶氨酸、磷脂酰丝氨酸和虾青素。
2.如权利要求1所述的组合物,其特征是:所述活性成分的重量配比为:茶氨酸20~1000份、磷脂酰丝氨酸10~1000份、虾青素1~250份。
3.如权利要求2所述的组合物,其特征是:所述活性成分的重量配比为:茶氨酸100~400份、磷脂酰丝氨酸100~600份、虾青素4~25份;优选地,所述活性成分的重量配比为:茶氨酸200~400份、磷脂酰丝氨酸200~500份、虾青素4~12份;进一步优选地,所述活性成分的重量配比为:茶氨酸:磷脂酰丝氨酸:虾青素=(1~2):1:(0.04~0.12)。
4.如权利要求1~3任意一项所述的组合物,其特征是:活性成分还包括DHA、叶黄素、叶黄素酯、(3R,3'R)-二羟基-β-胡萝卜素中一种或两种以上的混合物。
5.如权利要求1~4任意一项所述的组合物,其特征是:是各重量配比的活性成分,加入可接受的辅料或者辅助性成分制备而成的食品、保健品或药品。
6.如权利要求5所述的组合物,其特征是:所述食品、保健品或药品为口服形式。
7.如权利要求6所述的组合物,其特征是:所述食品或保健品为糖果、饮料、饼干、面包、果冻或膳食补充剂。
8.权利要求1~7任意一项所述组合物的制备方法,其特征是:包括如下步骤:取各重量配比的活性成分,加入食品、保健品或药品中可接受的辅料或者辅助性成分,即得。
9.权利要求1~7任意一项所述组合物在制备缓解视疲劳的食品、保健品或药品中的用途。
10.如权利要求9所述的用途,其特征是:所述食品、保健品或药品具有缓解视疲劳所致眼睛局部症状和/或全身症状的功效。
11.如权利要求10所述的用途,其特征是:所述眼睛局部症状为眼酸痛、眼胀、畏光、视物模糊、眼干涩、异物感或流泪。
12.如权利要求10所述的用途,其特征是:所述全身症状为注意力下降、记忆力减退、焦虑或失眠。
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