CN103841977B - 保存稳定性优异的含s-腺苷-l-蛋氨酸的组合物 - Google Patents
保存稳定性优异的含s-腺苷-l-蛋氨酸的组合物 Download PDFInfo
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Abstract
本发明为一种组合物、使用该组合物得到的成型体和该组合物的制造方法,所述组合物为含有S-腺苷-L-蛋氨酸和选自羧甲基纤维素、羟丙基纤维素、大豆多糖类、酪蛋白钠和玉米蛋白中的至少1种添加物的组合物,其中,S-腺苷-L-蛋氨酸是从将具有S-腺苷-L-蛋氨酸生产能力的微生物进行培养而得到的含S-腺苷-L-蛋氨酸菌体中提取的,该组合物中的该添加物的含量以相对于该组合物中的S-腺苷-L-蛋氨酸的质量比计,在0.05~15倍量的范围。本发明提供一种以高浓度含有作为水溶性的生理活性物质有用的S-腺苷-L-蛋氨酸的保存稳定性优异进而生物体吸收性优异的组合物、使用该组合物得到的成型体和该组合物的制造方法。
Description
技术领域
本发明涉及一种以高浓度含有作为水溶性的生理活性物质有用的S-腺苷-L-蛋氨酸的保存稳定性优异的组合物、使用该组合物得到的成型体和该组合物的制造方法。
背景技术
S-腺苷-L-蛋氨酸(以下记作SAMe)广泛存在于生物体内。SAMe为在核酸、神经传递物质、磷脂质、激素、蛋白质等的合成、代谢中作为利用各种甲基转移酶的甲基化反应的甲基供体发挥重要作用的水溶性的生理活性物质。SAMe在人体的几乎全部细胞中可见,作为各种生物化学反应中的共同因子起作用,通过甲基转移、硫基转移和氨基丙基转移的3条代谢途径进行代谢。例如,在软骨的维持和脑内物质的生物合成中为不可缺少的物质。根据近年来的SAMe的功能研究,也报道了对于脂肪肝、高脂血症、动脉硬化症、失眠症、酒精性肝炎、老年性痴呆症等的疗效。这样,SAMe为重要的生理活性物质,在欧美各国中作为忧郁症、肝脏疾病和关节炎等的治疗药或健康食品被广泛利用。
因此,强烈期望廉价且简便地制造供给SAMe。目前,作为SAMe的制造方法,已知有使用含有作为前体物质的L-蛋氨酸的培养基进行发酵生产的方法、使用由微生物分离精制的SAMe合成酶(蛋氨酸腺苷转移酶)以腺苷5’-三磷酸(ATP)与L-蛋氨酸为底物以酶合成SAMe的方法和利用合成法的方法等。
关于酶合成法,为使用由微生物分离精制的SAMe合成酶(蛋氨酸腺苷转移酶)、以腺苷5’-三磷酸(ATP)与L-蛋氨酸为底物以酶合成SAMe的方法。该方法与发酵法相比,具有SAMe的生成量多、不需要从菌体提取SAMe的操作等优点。但是,存在酶的制备繁琐、得到的酶的活性微弱、需要除去ATP分解酶等干扰物质、以及底物ATP非常昂贵等各种问题,不一定能够成为实用的方法。
另外,随着近年来的基因工程的发展,通过使用克隆化的SAMe合成酶基因,该酶的制备更简便,酶制备的问题不断得到解决。但是,依然没有解决需要使用昂贵的ATP作为底物等其它实用上的问题。
另外,SAMe对热不稳定,具有即使在常温下也容易分解的性质,因此,成为作为医药品、健康食品使用时的大的障碍。作为其对策,进行了以提高保存稳定性为目的的许多尝试。例如,一般为如下方法:通过利用色谱法等精制用上述的制造方法得到的SAMe的组合物之后制成与硫酸或对甲苯磺酸的盐或者与丁烷二磺酸的盐等而实现SAMe的稳定化的方法,或对精制的SAMe进行添加物处理、作为SAMe组合物实现稳定化的方法。但是,由于需要大量人力和费用,所以廉价地制造并提供作为治疗药、健康食品重要的SAMe非常困难。
而且,近年来,对使用了具有能够更廉价、精制工序少且简便地制造SAMe的SAMe生产能力且能够口服摄取的微生物的含SAMe的微生物(例如参照非专利文献1)、含SAMe的微生物提取物进行了研究(例如参照专利文献1~4、非专利文献2)。但是,现状为含SAMe的微生物提取物与精制的SAMe、SAMe组合物相比,保存稳定性低,成为了问题。
现有技术文献
专利文献
专利文献1:日本特开2005-229812号公报
专利文献2:日本特开2008-012464号公报
专利文献3:国际公开第2009/081833号
专利文献4:日本专利第4479932号公报
专利文献5:国际公开第2011/1260303号
非专利文献
非专利文献1:SchlenkF.,DePalmaR.E.,J.Biol.Chem.1037-1050(1957)
非专利文献2:BiochemicaetBiophysicaActa,1573,105-108(2002)
发明内容
发明所要解决的课题
本发明的目的在于,提供一种以高浓度含有SAMe的保存稳定性优异的组合物以及能够以低成本简便地制造该组合物的工艺、使用该组合物得到的成型体。
用于解决课题的方法
本发明的发明人等为了解决上述课题,对以高浓度含有SAMe、且能够在稳定的状态下长时间保存的组合物进行了潜心研究,结果发现,含SAMe的酵母菌体和含有特定的增稠剂的含SAMe的干燥酵母组合物的保存稳定性优异,并进行了专利申请(参照专利文献5)。但是,对含有从含SAMe的酵母菌体中提取的含SAMe的提取物的组合物没有进行研究。
因此,本发明的发明人等对利用含SAMe的提取物、以高浓度含有SAMe、且能够在稳定的状态下长时间保存的性能上优异的组合物以及能够经济地生产该组合物的方法进行了潜心研究,结果发现,利用以下所示的项目能够解决,从而完成了本发明。
[1]一种组合物,其为含有S-腺苷-L-蛋氨酸和选自羧甲基纤维素、羟丙基纤维素、大豆多糖类、酪蛋白钠和玉米蛋白中的至少1种添加物的组合物,其中,S-腺苷-L-蛋氨酸是从将具有S-腺苷-L-蛋氨酸生产能力的微生物进行培养而得到的含S-腺苷-L-蛋氨酸菌体中提取的,该组合物中的该添加物的含量以相对于该组合物中的S-腺苷-L-蛋氨酸的质量比计,在0.05~15倍量的范围。
[2]如上述[1]所述的组合物,其中,所述微生物为属于酵母属的微生物。
[3]如上述[2]所述的组合物,其中,所述属于酵母属的微生物为酿酒酵母。
[4]如上述[1]~[3]中任一项所述的组合物,其中,所述组合物为固体。
[5]一种成型体,其是使用上述[4]所述的组合物成型而得到的。
[6]一种组合物的制造方法,其用于制造含有S-腺苷-L-蛋氨酸和选自羧甲基纤维素、羟丙基纤维素、大豆多糖类、酪蛋白钠和玉米蛋白中的至少1种添加物的组合物,在从将具有S-腺苷-L-蛋氨酸生产能力的微生物进行培养而得到的含S-腺苷-L-蛋氨酸菌体中提取的含S-腺苷-L-蛋氨酸提取液中,以相对于含该S-腺苷-L-蛋氨酸提取液中的S-腺苷-L-蛋氨酸的质量比计,以0.05~15倍量的范围混合该添加物,干燥所得到的混合物。
发明的效果
根据本发明,可以提供以高浓度含有SAMe且保存稳定性优异的组合物、能够经济地生产该组合物的方法以及使用该含SAMe组合物得到的成型体。
另外,由本发明得到的该含SAMe组合物的生物体吸收性也优异。
具体实施方式
本发明的组合物,其特征在于,其为含有SAMe和选自羧甲基纤维素、羟丙基纤维素、大豆多糖类、酪蛋白钠和玉米蛋白中的至少1种添加物的组合物,SAMe是从将具有SAMe生产能力的微生物进行培养而得到的含SAMe菌体中提取的,该组合物中的该添加物的含量以相对于该组合物中的SAMe的质量比计,在0.05~15倍量的范围。
以下,对本发明详细地进行说明。
本发明的保存稳定性优异且以高浓度含有SAMe的组合物含有从将微生物进行培养而得到的含SAMe微生物菌体中提取而得到的SAMe和特定的添加物。
予以说明,在含有SAMe的组合物中,含有大量5’-核苷酸、游离氨基酸、具有抗氧化作用且在肝功能改善方面起作用的谷胱甘肽、具有免疫力的增进作用和整肠作用的β-葡聚糖、食物纤维等有用成分,作为健康食品等广泛被利用。
本发明中使用的微生物的种类只要具有SAMe生产能力且能够口服摄取即可,可列举属于例如糖酵母(Saccharomyces)属、假丝酵母菌(Candida)属、毕赤氏酵母(Pichia)属、毛霉(Mucor)属、根霉(Rhizopus)属、短杆菌(Brevibacterium)属、棒状杆菌(Corynebacterium)属、埃希氏杆菌(Esherichia)属、链霉菌(Streptomyces)属等的微生物。其中,优选属于糖酵母属的微生物,特别是酿酒酵母(Streptomycescerevisiae)更适合。
在培养微生物时使用的碳源只要是微生物能够同化的碳源,就没有特别限制,可列举例如:葡萄糖、蔗糖、淀粉、废糖蜜等碳水化物、乙醇等醇、或醋酸等有机酸。氮源也只要是微生物能够同化的氮源,就没有特别限制,可列举例如:含有氨、硝酸、尿素等无机体氮化合物、或微生物提取物、麦芽提取物等有机体氮化合物的氮源。另外,作为无机盐类,可使用磷酸、钾、钠、镁、钙、铁、锌、锰、钴、铜、钼等的盐。进而也可以添加参与SAMe的骨架构成的蛋氨酸、腺嘌呤、腺苷核糖核苷(adenosylribonucleoside)进行培养。
培养温度和培养液的pH因使用的微生物的种类而不同,作为培养温度,可以列举20~35℃的范围,作为培养液的pH,可以列举pH4~7的范围。
另外,为了提高菌体内的SAMe含量,优选有氧地进行培养。培养槽只要能够通气且能够根据需要搅拌即可,可以利用例如机械搅拌培养槽、气升式培养槽和气泡塔型培养槽等。
就培养基的供给方法而言,一起或个别地连续或间歇地供给碳源、氮源、各种无机盐类、各种添加剂等。例如,蔗糖、乙醇等底物可以作为与其它培养基成分的混合物供给培养槽,还可以与其它培养基成分分别独立地供给培养槽。
培养液的pH控制利用酸、碱溶液而进行。作为碱,优选使用作为氮源使用的氨、尿素、或非氮系碱、例如氢氧化钠、氢氧化钾等进行pH控制。作为酸,可使用无机酸、例如磷酸、硫酸、硝酸或有机酸。予以说明,也可以使用作为无机盐类的磷酸盐、钾盐、钠盐、硝酸盐等进行pH控制。
在这种条件下进行培养,在微生物菌体中积累了目标量的SAMe的阶段抽出培养液并分离微生物菌体。作为分离方法,只要为能够有效地进行菌体的分离和清洗的方法,就没有特别限制,作为优选的例子,可列举逆流型的酵母分离器或使用分离膜的超滤装置。
接着,从分离的微生物菌体中提取SAMe,得到含有SAMe的提取液之后,在该提取液中将添加物进行添加混合处理而制成液体状的组合物。
作为得到含有SAMe的提取液的方法,可列举:对于分离的微生物菌体的分离浓缩物添加蛋白质分解酶、细胞壁溶解酶等并进行提取的方法;利用微生物中的酶通过自身消化进行提取的方法;通过高压分散处理等高压粉碎进行提取的方法;添加无机酸、有机酸进行混合的方法;加热处理的方法等。
含有SAMe的提取液与含有SAMe的微生物菌体相比,固体成分少,容易分散、溶解于水中,能够容易地添加于食品、调味料等中。另外,可以进行SAMe成分的浓缩。
作为本发明中使用的添加物,为选自羧甲基纤维素、羟丙基纤维素、大豆多糖类、酪蛋白钠和玉米蛋白中的至少1种。这些添加物可以单独使用或组合使用2种以上。其中,更优选为羧甲基纤维素、羟丙基纤维素、大豆多糖类。
大豆多糖类为以半纤维素为主要成分的水溶性多糖,为由半乳糖、阿拉伯糖、半乳糖醛酸、木糖、岩藻糖、鼠李糖等糖构成的多糖类,具体而言,可以优选使用Freund产业株式会社生产的市售品(商品名“Hemilose”)。玉米蛋白为来自玉米的蛋白质,可以使用该蛋白质水解物或钠盐及钾盐等盐。在本发明中,通过使用特定的添加物,组合物中的SAMe的保存稳定性提高,进而SAMe的生物体吸收性提高。本发明中使用的添加物在食品、化妆品、医药品用途中通用,可以安全地使用。这些添加物可以使用适当合成的物质,也可以使用市售品。
作为添加物的添加量,需要以相对于干燥前含SAMe提取液中SAMe的质量比计,在0.05~15倍量的范围,优选在0.1~13.5倍量的范围,更优选在0.15~13.5倍量的范围。添加物的上述添加量低于0.05倍量时,组合物中的SAMe的保存稳定性不充分,当其超过15倍量时,不仅浪费,而且该组合物中的SAMe的保存稳定性会用量依赖性地显示降低的倾向。
含SAMe提取液和添加物的混合时间优选为1分钟~24小时的范围。低于1分钟时,组合物中的SAMe的保存稳定性不充分,当其超过24小时时,不仅浪费,而且有可能引起该组合物中的SAMe成分的减少。在混合中该组合物中的SAMe的保存稳定性、进而生物体吸收性增加,另外,后述的该组合物的干燥工序中的成品率也提高,另外,含有SAMe的组合物独特的臭味也被掩蔽。
在进行添加物的添加混合处理之后,通过使液体状的组合物干燥而使水分蒸发,成为固体的干燥组合物。作为干燥方法,可列举利用喷雾干燥器的喷雾干燥法、冻结干燥法等方法。
作为干燥条件,在喷雾干燥法中,优选在入口温度210℃以下、出口温度110℃以下使其干燥。在冻结干燥法中,优选在最终搁板温度30℃以下使其干燥。从保存稳定性的观点出发,希望本发明的干燥组合物其水分含量为5.0质量%以下、优选为3.0质量%以下、更优选为1.0质量%以下。
作为组合物中的添加物的含量,以相对于组合物中的SAMe的质量比计,在0.05~15倍量的范围,优选在0.1~13.5倍量的范围,更优选在0.15~13.5倍量的范围。添加物的上述含量低于0.05倍量时,组合物中的SAMe的保存稳定性不充分,当其超过15倍量时,该组合物中的SAMe的保存稳定性会用量依赖性地显示降低的倾向。
作为组合物中的SAMe的含量,相对于组合物的干燥质量优选为1质量%以上,更优选为3质量%以上,进一步优选为8质量%以上。
得到的干燥组合物为固体,可以容易地进行成型加工。使用该干燥的含SAMe组合物成型得到的成型体用于各种用途。例如,也可以将干燥的含SAMe组合物破碎而制成粉末状,或者在粉末状的含SAMe组合物中根据需要加入其它生理活性成分、赋形剂等添加剂之后进行压缩打锭制成片剂状的组合物,进一步包覆其表面。另外,也可以将粉体进行造粒形成颗粒状、或将粉体、造粒得到的颗粒填充而胶囊化。
实施例
以下,根据实施例和比较例对本发明进一步详细地进行说明,但本发明并不受这些例子限定。
实施例1-1~1-3
(a)微生物菌体的培养
按照上述的公知的培养法,在含L-蛋氨酸的培养基(ShiozakiS.,etall,J.Biotechnology,4,345-354(1986))中接种属于糖酵母属的微生物酿酒酵母IFO2346,在培养温度27~29℃一边有氧地通气搅拌、一边培养6天。其结果,得到菌体浓度3.5质量%、SAMe含量205mg/g的微生物菌体培养液18L。
(b)微生物菌体的集菌
将上述微生物菌体培养液18L用连续旋转型离心分离器(日立HIMACCENTRIFUGECR10B2)进行处理,得到菌体浓度以干物换算计相当于18质量%的液体状的微生物菌体浓缩物3.4kg。
(c)从微生物菌体浓缩物中提取含有SAMe的提取液
在上述微生物菌体浓缩物3.4kg中添加50质量%硫酸,将pH调整为3.5。将该微生物菌体浓缩物在50℃加热搅拌30分钟后,立即转移至离心管,用离心分离器(日立HIMACCENTRIFUGECR10B2)冷却离心分离处理后,将上清液作为含SAMe提取液进行回收。
(d)向含SAMe提取液中添加添加物
在上述的含SAMe提取液中以表1所示的方式以相对于干燥前含SAMe提取液中SAMe的质量比计,加入羟丙基纤维素(和光纯药工业株式会社制)(以下,简称为HPC)0.19、1.92、13.46倍量,在室温搅拌混合30分钟,得到添加有HPC的液体状的含SAMe组合物。
(e)含有SAMe和添加物的干燥组合物的制造
将上述添加有HPC的液体状的含SAMe组合物流入冻结干燥器(日本真空技术株式会社制)的冻结干燥用不锈钢托盘,在-50℃冻结之后,在最终搁板温度25℃的条件下冻结干燥36小时。通过将得到的干燥组合物(固体)进一步粉碎,得到含有SAMe和HPC的粉末状的干燥组合物。
将得到的干燥组合物填充在密闭玻璃容器中,在40℃、RH75%时的加速试验条件下进行保存稳定性试验。表1表示40℃、RH75%时的加速保存稳定性试验结果。予以说明,就SAMe残存率而言,由干燥组合物用使用高氯酸的公知的方法提取SAMe,以使用液相色谱法的比较定量法实施。关于保存后的臭味的有无,通过根据5名专门小组成员的官能检查求出。
在本发明的SAMe测定中,使用以下条件的液相色谱法。
使用的分析条件:
色谱柱:nacalaitesque株式会社制、商品名COSMOSIL、4.6φ×100mm
洗脱液:0.2MKH2PO4水溶液/甲醇=95/5(质量比)
流速:0.7mL/分钟、检测器:UV(260nm)、SAMe保留时间:约150秒
比较例1
以相对于干燥前的含SAMe提取液中SAMe的质量比计,加入0.02倍量向含SAMe提取液添加的HPC,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和HPC的粉末状的干燥组合物。表1表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
实施例1-4
对与实施例1-1~1-3的(a)~(c)同样地得到的含SAMe提取液,通过(d)的操作进行以相对于该提取液中SAMe的质量比计加入0.19倍量的HPC的操作,在室温搅拌混合30分钟,得到添加有HPC的液体状的含SAMe组合物。
将得到的添加有HPC的液体状的含SAMe组合物使用作为微颗粒化装置的具有双流体喷嘴的微型喷雾干燥器B-290(Metrohm公司制)在干燥室的入口温度135℃、出口温度80℃、通液速度1.2g/分钟的条件下进行喷雾干燥,得到含有SAMe和HPC的粉末状的干燥组合物。表2表示该组合物中的SAMe含量、密闭玻璃容器中在40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
实施例2
以添加物相对于干燥前的含SAMe提取液中SAMe的质量比计,加入作为向含SAMe提取液添加的添加物的羧甲基纤维素0.19倍量,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和羧甲基纤维素的粉末状的干燥组合物。表1表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
实施例3-1~3-3
将向含SAMe提取液添加的添加物变更为大豆多糖类(Freund产业株式会社制、制品名“Hemilose”),除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和大豆多糖类的粉末状的干燥组合物。表1和表2表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
比较例2
以添加物相对于干燥前含SAMe提取液中SAMe的质量比计,加入向含SAMe提取液添加的大豆多糖类(Freund产业株式会社制、制品名“Hemilose”)0.02倍量,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和大豆多糖类的粉末状的干燥组合物。表1表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
实施例3-4
将向含SAMe提取液添加的添加物变更为大豆多糖类(Freund产业株式会社制、制品名“Hemilose”),除此之外,与实施例1-4同样地处理,经过喷雾干燥,得到含有SAMe和大豆多糖类的粉末状的干燥组合物。表2表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
比较例3-1
不向含SAMe提取液添加添加物,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe的粉末状的干燥组合物。表1表示该组合物中的SAMe含量和所得到的该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
比较例3-2
不向含SAMe提取液添加添加物,除此之外,与实施例1-4同样地处理,经过喷雾干燥,得到含有SAMe的粉末状的干燥组合物。表2表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
比较例4~9
将向含SAMe提取液添加的添加物分别变更为表1所示的海藻糖、柠檬酸、EDTA、DL-苹果酸、半乳糖或γ-环糊精,以添加物相对于干燥前的含SAMe提取液中SAMe的质量比计,加入该添加物2.31倍量,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和添加物的粉末状的干燥组合物。表1表示该组合物中的SAMe含量和在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
比较例10~13
将向含SAMe提取液添加的添加物分别变更为表1所示的纤维素、羟丙基甲基纤维素、罗望子胶或虫胶,以添加物相对于干燥前含SAMe提取液中SAMe的质量比计,加入该添加物0.19倍量,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和添加物的粉末状的干燥组合物。表1表示该组合物中的SAMe含量和在密闭玻璃容器中、40℃、RH75%的加速条件下的该组合物的保存稳定性试验的结果、官能检查的结果。
[表1]
*官能检查:×有异臭,△稍微有异臭,○无异臭
[表2]
*官能检查:×有异臭,△稍微异臭,○无异臭
实施例4-1~4-3
将向含SAMe提取液添加的添加物变更为酪蛋白钠,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和酪蛋白钠的粉末状的干燥组合物。表3、4表示该组合物中的SAMe含量和所得到的该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
比较例14
以添加物相对于干燥前含SAMe提取液中SAMe的质量比计,加入0.02倍量的向含SAMe提取液添加的酪蛋白钠,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和酪蛋白钠的粉末状的干燥组合物。表3表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
实施例4-4
将向含SAMe提取液添加的添加物变更为酪蛋白钠,除此之外,与实施例1-4同样地处理,经过喷雾干燥,得到含有SAMe和酪蛋白钠的粉末状的干燥组合物。表4表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
实施例5-1~5-3
将向含SAMe提取液添加的添加物变更为微结晶性玉米蛋白(小林香料株式会社制、商品名:KobayashiZeinDP),除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和玉米蛋白的粉末状的干燥组合物。表3、4表示该组合物中的SAMe含量和所得到的该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
比较例15
以添加物相对于干燥前含SAMe提取液中SAMe的质量比计,加入0.02倍量的向含SAMe提取液添加的微结晶性玉米蛋白(小林香料株式会社制、商品名:KobayashiZeinDP),除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和玉米蛋白的粉末状的干燥组合物。表3表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
实施例5-4
将向含SAMe提取液添加的添加物变更为微结晶性玉米蛋白(小林香料株式会社制、商品名:KobayashiZeinDP),除此之外,与实施例1-4同样地处理,经过喷雾干燥,得到含有SAMe和玉米蛋白的粉末状的干燥组合物。表4表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
比较例16~19
将向含SAMe提取液添加的添加物分别变更为表3所示的酪蛋白、明胶、大豆蛋白或豌豆蛋白,以相对于该提取液中SAMe的质量比计,加入该添加物2.31倍量,除此之外,与实施例1-1~1-3同样地处理,经过冻结干燥,得到含有SAMe和添加物的粉末状的干燥组合物。表3表示该组合物中的SAMe含量和该组合物在密闭玻璃容器中、40℃、RH75%的加速条件下的保存稳定性试验的结果、官能检查的结果。
[表3]
*官能检查:×有异臭,△稍微异臭,○无异臭
[表4]
*官能检查:×有异臭,△稍微异臭,○无异臭
<生物体吸收性试验>
对由实施例1-1、实施例2、实施例3-1、实施例4-1、实施例5-1和比较例13得到的含有SAMe和添加物的粉末状的干燥组合物、以及由比较例3-1得到的含有SAMe的粉末状的干燥组合物,与文献(JofChromatographyB,863,94-100(2008))记载的方法同样地使用SD系大鼠(雄性、8周龄、动物数:各组n=3)实施生物体吸收性试验。
粉末状的干燥组合物向大鼠的给药量作为SAMe,以成为300mg/kg-大鼠的给药量的方式在分散于蒸馏水的状态下对大鼠口服给药粉末状的干燥组合物,口服给药后采集0.5、1、2、3和5小时后的大鼠的血液。采集的血液快速地离心分离,分离血浆成分,使用高氯酸提取SAMe成分,利用LC-MS-MS法(Liquidchromatographycoupledwithmassspectrometry)进行分析。
生物体吸收性试验的结果,口服给药2小时后的血浆中SAMe浓度最高。表5表示各粉末状的干燥组合物在口服给药1小时后和2小时后的生物体吸收性试验的结果。
[表5]
由表5确认了:添加有属于本发明的添加物的含SAMe组合物与不进行添加处理的含SAMe组合物相比,生物体吸收性提高,而且,添加有虫胶的含SAMe组合物与不进行添加处理的含SAMe组合物相比,生物体吸收性低。
其中,用于生物体吸收性试验的分析设备、条件如下所述。
(LC-MS-MS法)
LC-MS-MS装置:Thermo公司制Accela、LTQorbitrapDiscovery
(HPLC条件)
色谱柱:GLSciences公司制IntersilODS-3(4.6mm×150mm)
流速:0.5mL/min、色谱柱箱:40℃、检测器:UV(260nm)、SAMe保留时间:约145秒、注入量:10μL
洗脱液:2mmol/L七氟丁酸水溶液:乙腈=30:70
(MS条件)
离子源(IonSource):电喷雾电离离子源(ESI)
离子极性模式(IonPolarityMode):正(Positive)
扫描模式类型(ScanModeType):FTFullMass
分辨率(Resolution):30000
质量范围(MassRange):m/z360-410
工业上的可利用性
通过使用本发明的组合物,可以将作为医药、农药或健康食品用的生理活性物质有用的SAMe作为保存稳定性优异、进而生物体吸收性也优异的组合物供给市场。本发明的制造方法可以作为以低成本简便地制造以高浓度含有S-腺苷-L-蛋氨酸、保存稳定性优异、进而生物体吸收性也优异的组合物的方法来利用。
Claims (6)
1.一种组合物,其特征在于:
其为含有S-腺苷-L-蛋氨酸和选自羟丙基纤维素、大豆多糖类、酪蛋白钠和玉米蛋白中的至少1种添加物的组合物,其中,S-腺苷-L-蛋氨酸是从将具有S-腺苷-L-蛋氨酸生产能力的微生物进行培养而得到的含S-腺苷-L-蛋氨酸菌体中提取的,
该组合物中的该添加物的含量以相对于该组合物中的S-腺苷-L-蛋氨酸的质量比计,在0.05~15倍量的范围。
2.如权利要求1所述的组合物,其特征在于:
所述微生物为属于酵母属的微生物。
3.如权利要求2所述的组合物,其特征在于:
所述属于酵母属的微生物为酿酒酵母。
4.如权利要求1~3中任一项所述的组合物,其特征在于:
所述组合物为固体。
5.一种成型体,其特征在于:
其是使用权利要求4所述的组合物成型而得到的。
6.一种组合物的制造方法,其特征在于:
其用于制造含有S-腺苷-L-蛋氨酸和选自羟丙基纤维素、大豆多糖类、酪蛋白钠和玉米蛋白中的至少1种添加物的组合物,
在从将具有S-腺苷-L-蛋氨酸生产能力的微生物进行培养而得到的含S-腺苷-L-蛋氨酸菌体中提取的含S-腺苷-L-蛋氨酸提取液中,以相对于该含S-腺苷-L-蛋氨酸提取液中的S-腺苷-L-蛋氨酸的质量比计,以0.05~15倍量的范围混合该添加物,干燥所得到的混合物。
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US20050272687A1 (en) * | 2004-06-08 | 2005-12-08 | Hebert Rolland F | Stable S-adenosyl-l-methionine |
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