CN107422021B - 琼脂糖胶囊及其制备方法与应用 - Google Patents

琼脂糖胶囊及其制备方法与应用 Download PDF

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CN107422021B
CN107422021B CN201710573404.3A CN201710573404A CN107422021B CN 107422021 B CN107422021 B CN 107422021B CN 201710573404 A CN201710573404 A CN 201710573404A CN 107422021 B CN107422021 B CN 107422021B
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李坤
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Abstract

本发明涉及一种琼脂糖胶囊及其制备方法与应用,琼脂糖胶囊包括胶囊外壳和琼脂糖,琼脂糖位于胶囊外壳的内部;胶囊外壳的原料组分包括海藻糖。本发明提供的琼脂糖胶囊,可以根据需要配置琼脂糖凝胶的浓度,计算需要的琼脂糖粉的量,根据每个琼脂糖胶囊中琼脂糖粉的含量,从而计算出需要的胶囊个数,从而免去称量琼脂糖粉的过程,简化凝胶制备的过程,节约人力成本,优化实验过程。

Description

琼脂糖胶囊及其制备方法与应用
技术领域
本发明涉及生物技术领域,具体涉及一种琼脂糖胶囊及其制备方法与应用。
背景技术
从琼脂中除去带电荷的琼脂胶后,剩下的不含磺酸基团、羧酸基团等带电荷基团的中性部分,结构是链状的聚半乳糖,易溶于沸水,冷却后可依靠糖基间的氢键引力形成网状结构的凝胶。凝胶的网孔大小和凝胶的机械强度取决于琼脂糖浓度。因此琼脂糖凝胶可作为分子筛,常用于凝胶层析和电泳。从琼脂中除去带电荷的琼脂胶后,剩下的不含磺酸基团、羧酸基团等带电荷基团的中性部分,结构是链状的聚半乳糖,易溶于沸水,冷却后可依靠糖基间的氢键引力形成网状结构的凝胶。凝胶的网孔大小和凝胶的机械强度取决于琼脂糖浓度。因此琼脂糖凝胶可作为分子筛,常用于凝胶层析和电泳。
琼脂糖凝胶分析DNA片段的方法,是最常见的分子生物学分析方法之一,它以其操作简单、易学、成本低的特点,为实验室所必备,至今无可取代。但是,实验用的凝胶制备虽然不难,但是步骤繁多、琐碎,也令人不胜其烦。因此,需要简化琼脂糖凝胶的制备过程。
发明内容
针对现有技术中的缺陷,本发明目的在于提供一种琼脂糖胶囊及其制备方法与应用,以根据需要配置琼脂糖凝胶的浓度,计算需要的琼脂糖粉的量,根据每个琼脂糖胶囊中琼脂糖粉的含量,从而计算出需要的胶囊个数,从而免去称量琼脂糖粉的过程,简化凝胶制备的过程,节约人力成本,优化实验过程。
为实现上述目的,本发明提供的技术方案为:
第一方面,本发明提供了一种琼脂糖胶囊,琼脂糖胶囊包括胶囊外壳和琼脂糖,琼脂糖位于胶囊外壳的内部;胶囊外壳的原料组分包括海藻糖。
在本发明的进一步实施方式中,琼脂糖胶囊含有的琼脂糖为0.7~0.8g。
在本发明的进一步实施方式中,胶囊外壳的原料组分还包括:山梨酸钾、麦芽糖、阿拉伯半乳聚糖、依地酸二钠和枸橼酸钠。
在本发明的进一步实施方式中,胶囊外壳的原料组分按重量份计,包括:海藻糖25~30重量份、山梨酸钾10~12重量份、麦芽糖5~8重量份、阿拉伯半乳聚糖12~15重量份、依地酸二钠10~14重量份和枸橼酸钠4~6重量份。
在本发明的进一步实施方式中,胶囊外壳的原料组分按重量份计,包括:海藻糖27重量份、山梨酸钾11重量份、麦芽糖6重量份、阿拉伯半乳聚糖13重量份、依地酸二钠12重量份和枸橼酸钠5重量份。
第二方面,本发明提供了琼脂糖胶囊的制备方法,包括如下步骤:将胶囊外壳的原料组分用水溶解,得到混合溶液;将混合溶液放入胶囊模具中,干燥后脱模,得到胶囊外壳;在胶囊外壳中装入琼脂糖,然后封闭,得到琼脂糖胶囊。
在本发明的进一步实施方式中,将混合溶液放入胶囊模具前还包括步骤:调节混合溶液的pH值至5.6~5.8,静置50~60min。
第三方面,本发明保护琼脂糖胶囊在制备琼脂糖凝胶中的应用。
第四方面,本发明提供了一种利用琼脂糖胶囊制备琼脂糖凝胶的方法,包括如下步骤:将琼脂糖胶囊加入TBE缓冲液中,静置3~5min,然后加热至完全溶解,得到琼脂糖溶液;将琼脂糖溶液倒入凝胶模具中,冷却,得到琼脂糖凝胶。需要说明的是,加入的胶囊个数和TBE缓冲液的用量依据需要的琼脂糖凝胶的浓度确定,比如需要配置2%的琼脂糖凝胶,需要8个包含0.75g琼脂糖的胶囊,投入150ml的TBE中,等待3~5min,胶囊融化后按步骤操作即可。
本发明提供的琼脂糖胶囊,可以根据需要配置琼脂糖凝胶的浓度,计算需要的琼脂糖粉的量,根据每个琼脂糖胶囊中琼脂糖粉的含量,从而计算出需要的胶囊个数,从而免去称量琼脂糖粉的过程,简化凝胶制备的过程,节约人力成本,优化实验过程。
本发明的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本发明的实践了解到。
附图说明
图1为本发明实施例四中的琼脂糖胶囊的溶解图;
图2为本发明实施例四中采用常规方法配置的凝胶的电泳结果图;
图3为本发明实施例四中采用琼脂糖胶囊配置的凝胶的电泳结果图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述。以下实施例仅用于更加清楚地说明本发明的技术方案,因此只是作为示例,而不能以此来限制本发明的保护范围。
下述实施例中的实验方法,如无特殊说明,均为常规方法。下述实施例中所用的试验材料,如无特殊说明,均为自常规生化试剂商店购买得到的。以下实施例中的定量试验,均设置三次重复实验,数据为三次重复实验的平均值或平均值±标准差。
实施例一
本实施例提供一种琼脂糖胶囊,琼脂糖胶囊包括胶囊外壳和琼脂糖,琼脂糖位于胶囊外壳的内部;胶囊外壳的原料组分包括0.75g海藻糖;其中,胶囊外壳的原料组分按重量份计,包括:海藻糖27重量份、山梨酸钾11重量份、麦芽糖6重量份、阿拉伯半乳聚糖13重量份、依地酸二钠12重量份和枸橼酸钠5重量份。
琼脂糖胶囊的制备方法,包括如下步骤:将胶囊外壳的原料组分用水溶解,得到混合溶液;将混合溶液调节混合溶液的pH值至5.7,静置55min,然后放入胶囊模具中,干燥后脱模,得到胶囊外壳;在胶囊外壳中装入琼脂糖,然后封闭,得到琼脂糖胶囊。
实施例二
本实施例提供一种琼脂糖胶囊,琼脂糖胶囊包括胶囊外壳和琼脂糖,琼脂糖位于胶囊外壳的内部;胶囊外壳的原料组分包括0.7g海藻糖;其中,胶囊外壳的原料组分按重量份计,包括:海藻糖25重量份、山梨酸钾12重量份、麦芽糖5重量份、阿拉伯半乳聚糖15重量份、依地酸二钠10重量份和枸橼酸钠6重量份。
琼脂糖胶囊的制备方法,包括如下步骤:将胶囊外壳的原料组分用水溶解,得到混合溶液;将混合溶液调节混合溶液的pH值至5.6,静置50min,然后放入胶囊模具中,干燥后脱模,得到胶囊外壳;在胶囊外壳中装入琼脂糖,然后封闭,得到琼脂糖胶囊。
实施例三
本实施例提供一种琼脂糖胶囊,琼脂糖胶囊包括胶囊外壳和琼脂糖,琼脂糖位于胶囊外壳的内部;胶囊外壳的原料组分包括0.8g海藻糖;其中,胶囊外壳的原料组分按重量份计,包括:海藻糖30重量份、山梨酸钾10重量份、麦芽糖8重量份、阿拉伯半乳聚糖12重量份、依地酸二钠14重量份和枸橼酸钠4重量份。
琼脂糖胶囊的制备方法,包括如下步骤:将胶囊外壳的原料组分用水溶解,得到混合溶液;将混合溶液调节混合溶液的pH值至5.8,静置60min,然后放入胶囊模具中,干燥后脱模,得到胶囊外壳;在胶囊外壳中装入琼脂糖,然后封闭,得到琼脂糖胶囊。
实施例四
将本发明实施例一制备得到的琼脂糖胶囊制备琼脂糖凝胶,具体步骤如下(琼脂糖胶囊溶解图如图1所示)。
取8个胶囊,投入150ml的TBE缓冲液中(配置2%的琼脂糖凝胶),等待3~5min,胶囊融化后按常规步骤操作即可。
配制完成后,对PCR产物进行凝胶电泳,结果如图2和图3所示(图2为本发明实施例四中采用常规方法配置的凝胶的电泳结果图;图3为本发明实施例四中采用琼脂糖胶囊配置的凝胶的电泳结果图),发现结果与常规琼脂糖无明显差异。
同理,对实施例二、三制备得到的琼脂糖胶囊制备琼脂糖凝胶也进行验证,发现结果与常规琼脂糖均无明显差异。
本发明提供的琼脂糖胶囊,可以根据需要配置琼脂糖凝胶的浓度,计算需要的琼脂糖粉的量,根据每个琼脂糖胶囊中琼脂糖粉的含量,从而计算出需要的胶囊个数,从而免去称量琼脂糖粉的过程,简化凝胶制备的过程,节约人力成本,优化实验过程。
需要注意的是,除非另有说明,本申请使用的技术术语或者科学术语应当为本发明所属领域技术人员所理解的通常意义。除非另外具体说明,否则在这些实施例中阐述的部件和步骤的相对步骤、数字表达式和数值并不限制本发明的范围。在这里示出和描述的所有示例中,除非另有规定,任何具体值应被解释为仅仅是示例性的,而不是作为限制,因此,示例性实施例的其他示例可以具有不同的值。
在本发明的描述中,需要理解的是,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中,“多个”的含义是两个以上,除非另有明确具体的限定。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围,其均应涵盖在本发明的保护范围当中。

Claims (6)

1.一种琼脂糖胶囊,其特征在于:
所述琼脂糖胶囊包括胶囊外壳和琼脂糖,所述琼脂糖位于所述胶囊外壳的内部;所述胶囊外壳的原料组分包括海藻糖;
所述胶囊外壳的原料组分还包括:山梨酸钾、麦芽糖、阿拉伯半乳聚糖、依地酸二钠和枸橼酸钠;
所述胶囊外壳的原料组分按重量份计,包括:
海藻糖27重量份、山梨酸钾11重量份、麦芽糖6重量份、阿拉伯半乳聚糖13重量份、依地酸二钠12重量份和枸橼酸钠5重量份。
2.根据权利要求1所述的琼脂糖胶囊,其特征在于:
所述琼脂糖胶囊含有的琼脂糖为0.7~0.8g。
3.权利要求1或2所述的琼脂糖胶囊的制备方法,其特征在于,包括如下步骤:
将胶囊外壳的原料组分用水溶解,得到混合溶液;将所述混合溶液放入胶囊模具中,干燥后脱模,得到胶囊外壳;
在所述胶囊外壳中装入琼脂糖,然后封闭,得到所述琼脂糖胶囊。
4.根据权利要求3所述的琼脂糖胶囊的制备方法,其特征在于:
将所述混合溶液放入胶囊模具前还包括步骤:调节所述混合溶液的pH值至5.6~5.8,静置50~60min。
5.权利要求1或2所述的琼脂糖胶囊在制备琼脂糖凝胶中的应用。
6.利用权利要求1或2所述的琼脂糖胶囊制备琼脂糖凝胶的方法,其特征在于,包括如下步骤:
将所述琼脂糖胶囊加入TBE缓冲液中,静置3~5min,然后加热至完全溶解,得到琼脂糖溶液;
将所述琼脂糖溶液倒入凝胶模具中,冷却,得到琼脂糖凝胶。
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