CN112931874A - 一种低气味dha藻油粉的制备工艺方法 - Google Patents
一种低气味dha藻油粉的制备工艺方法 Download PDFInfo
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Abstract
本发明涉及生物制品制备技术领域，一种低气味DHA藻油粉的制备工艺方法，具体包括如下步骤：步骤S1：首先对DHA藻油原料进行单独检测，确认原来质量参数及DHA含量符合要求后存储待后续步骤使用；步骤S2：配料及称取，具体根据产品要求的配方数值称取原辅料；步骤S3：具体包括将壁材溶解于水相液，芯材溶解于油相液，然后两相乳化；步骤S4：将步骤S3所得乳化液进行均质处理；步骤S5：将步骤S4所得均质后的乳化液杀菌处理；步骤S6：将步骤S5所得进行喷雾干燥。本技术方案能够提供一种有效降低异常气味、可改善DHA藻油粉组织结构、外观品质和适口性更好且提高粉末油脂产品安全性的低气味DHA藻油粉的制备工艺方法。
Description
技术领域
本发明涉及生物制品制备技术领域，尤其涉及一种低气味DHA藻油粉的制备工艺方法。
背景技术
DHA，二十二碳六烯酸，俗称脑黄金，属于ω-3系列多不饱和脂肪酸。从藻油中提取的DHA胆固醇含量少，污染率低的优点，且培养生长速率快、周期短、营养价值高、生物积累量高及占地面积少，当前市场上多选择藻油作为DHA的来源和载体应用于食品行业；但DHA是多不饱和脂肪酸，对光、氧、热等因素较为敏感，易被氧化，使部分功能活性丧失甚至对人体造成危害，因此常见通过微胶囊技术对藻油包埋处理以提高其稳定性。
由于包埋中的一些细节处理不当，会导致包埋率下降，DHA氧化变质，带来一些令人不愉快甚至难以忍受的气味，这会影响DHA藻油粉的应用销售以及产品质量等级。因此，本发明通过研发一种低气味DHA藻油粉的制备工艺方法来解决上述问题很有必要。
发明内容
本发明目的是为了克服现有技术的不足而提供一种有效降低异常气味、可改善DHA藻油粉组织结构、外观品质和适口性更好且提高粉末油脂产品安全性的低气味DHA藻油粉的制备工艺方法。
乳化是一种液体以极微小液滴均匀地分散在互不相溶的另一种液体中的作用，加入适当的表面活性剂在强烈的搅拌下形成乳状液，该过程叫乳化。
均质也称匀浆，是使悬浮液或乳化液体系中的分散物微粒化、均匀化的处理过程，这种处理同时起降低分散物尺度和提高分散物分布均匀性的作用。
油相指的是相似相溶原理，不易溶于水的属于油相，易溶于水的属于水相，相当于把该物质与水混溶，结果能成透明溶液的属水相；分层或浑浊的属油相。壁材是指成膜材料；芯材是指被包封的物质。
为达到上述目的，本发明采用了如下技术方案。
一种低气味DHA藻油粉的制备工艺方法的制备方法，具体包括如下步骤：
步骤S1：首先对DHA藻油原料单独采用气相色谱峰面积法检测DHA含量，确认上述DHA藻油原料质量符合GB/T 5009.37及GB26400-2011标准要求，且DHA含量不低于40%后再存储待后续步骤使用；
步骤S2：按如下物质配方及质量比例搭配混合配料，包括DHA藻油10%至50%，乳化剂10%至55%，填充剂10%至50%，抗氧化剂1%至5%，抗结剂1%至3%进行称取制备物料；
步骤S3：将壁材溶解于水相液，芯材溶解于油相液，然后两相乳化处理；
步骤S4：将步骤S3所得乳化液采用均质机进行均质处理，均质压力选择40MPa至45MPa，均质2次；
步骤S5：将步骤S4所得均质后的乳化液杀菌处理，采用巴士杀菌，杀菌温度不低于85℃，时间不低于15秒；
步骤S6：喷雾干燥，将步骤S5所得进行喷雾干燥，喷雾干燥的进风口温度控制在170℃至180℃范围内；出风口温度控制在70℃至80℃范围内。
作为本发明的进一步改进，所述步骤S1的原料油为浓度40%的DHA冬化藻油。
作为本发明的进一步改进，所述步骤S2的乳化剂为辛烯基琥珀酸淀粉钠或阿拉伯胶。
作为本发明的进一步改进，所述步骤S2的填充剂为麦芽糊精或淀粉或葡萄糖浆。
作为本发明的进一步改进，所述步骤S2的抗氧化剂选择抗坏血酸棕榈酸酯、混合生育酚以及抗坏血酸钠物质中一种或多种。
作为本发明的进一步改进，所述步骤S2的抗结剂为二氧化硅或磷酸三钙。
作为本发明的进一步改进，所述步骤S3的壁材选择麦芽糊精或葡萄糖浆辅料。
作为本发明的进一步改进，所述步骤S3中将壁材溶解于水相液中，芯材溶解于油相液中，之后在水相液中泵入油相液，再加水，并调节混合液的总固形物含量为15%至30%左右，控制温度范围在50℃至60℃保温进行搅拌20分钟。
作为本发明的进一步改进，所述步骤S3中乳化过程中采用加氮气保护，作为隔壁外界氧气防止反应过程被氧化。
作为本发明的进一步改进，所述步骤S6中喷雾干燥后对产品的水分含量及表面油含量进行最后检测处理，如不满足则重复所述步骤S1至所述步骤S6直至产品的水分含量小于或等于5.0%，表面油含量小于或等于2.0%。
由于上述技术方案的运用，本发明的技术方案带来的有益技术效果：本发明选择DHA冬化油作为原料，由于DHA冬化油经过特别的冬化处理，可以实现物料杂质少且稳定性好的技术效果；本发明选择麦芽糊精或葡萄糖浆等具有较好稳定性、水溶性、干燥特性及乳化性，并且要有较低黏度值的辅料作为壁材可以有效提高包埋率；本发明选择抗坏血酸棕榈酸酯，抗坏血酸钠等抗氧化活性高的成分作为抗氧化剂，可以提高产品的稳定性，减少DHA的氧化变质；本发明采用巴士杀菌作为杀菌方式，具有对产品无辐照、安全性高且对产品质量影响小的有益技术效果。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
一种低气味DHA藻油粉的制备工艺方法的制备方法，具体包括如下步骤：
步骤S1：先进行浓度40%的DHA冬化藻油检测处理，包括对DHA藻油进行单独检测，确认质量及DHA含量符合要求后存储待后续步骤使用；
步骤S2：根据产品要求的配方数值称取原辅料，按如下物质配方及质量比例搭配混合配料，包括DHA藻油10%至50%，乳化剂10%至55%，填充剂10%至50%，抗氧化剂1%至5%，抗结剂1%至3%进行称取制备物料；
步骤S3：将麦芽糊精或葡萄糖浆辅料溶解于水相液，芯材溶解于油相液，然后两相乳化，乳化过程中采用加氮气保护，作为隔壁外界氧气防止反应过程被氧化；
步骤S4：将步骤S3所得乳化液进行均质处理，均质压力选择40MPa至45MPa，均质2次；
步骤S5：将步骤S4所得均质后的乳化液杀菌处理，采用巴士杀菌，杀菌温度不低于85℃，时间不低于15秒；
步骤S6：将步骤S5所得进行喷雾干燥，进风口温度控制在170℃至180℃范围内；出风口温度控制在70℃至80℃范围内。
所述抗氧化剂选择抗坏血酸棕榈酸酯、混合生育酚以及抗坏血酸钠物质中一种或多种；所述步骤S3中将壁材溶解于水相液中，芯材溶解于油相液中，之后在水相液中泵入油相液，再加水，并调节混合液的总固形物含量为15%至30%左右，控制温度范围在50℃至60℃保温进行搅拌20分钟。
实施例1：所述步骤S2采用如下物质配比并按本技术方案上述各个步骤制备得到最终产品：
经过对制备得到的产品分析检测，测得干燥失重为3.0%，表面油含量为0.34%，气味低，符合指标要求。
实施例2：所述步骤S2采用如下物质配比并按本技术方案上述各个步骤制备得到最终产品：
经过对制备得到的产品分析检测，测得干燥失重为2.9%，表面油含量为0.17%，气味低，符合指标要求。
以上仅是本发明的具体应用范例，对本发明的保护范围不构成任何限制。凡采用等同变换或者等效替换而形成的技术方案，均落在本发明权利保护范围之内。
Claims (10)
1.一种低气味DHA藻油粉的制备工艺方法，其特征在于，具体包括如下步骤：
步骤S1：首先对DHA藻油原料单独采用气相色谱峰面积法检测DHA含量，确认上述DHA藻油原料质量符合GB/T 5009.37及GB26400-2011标准要求，且DHA含量不低于40%后再存储待后续步骤使用；
步骤S2：按如下物质配方及质量比例搭配混合配料，包括DHA藻油10%至50%，乳化剂10%至55%，填充剂10%至50%，抗氧化剂1%至5%，抗结剂1%至3%进行称取制备物料；；
步骤S3：将壁材溶解于水相液，芯材溶解于油相液，然后两相乳化处理；
步骤S4：将步骤S3所得乳化液采用均质机进行均质处理，均质压力选择40MPa至45MPa，均质2次；
步骤S5：将步骤S4所得均质后的乳化液杀菌处理，采用巴士杀菌，杀菌温度不低于85℃，时间不低于15秒；
步骤S6：喷雾干燥处理，将步骤S5所得进行喷雾干燥，喷雾干燥的进风口温度控制在170℃至180℃范围内；出风口温度控制在70℃至80℃范围内。
2.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S1的原料油为浓度40%的DHA冬化藻油。
3.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S2的乳化剂为辛烯基琥珀酸淀粉钠或阿拉伯胶。
4.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S2的填充剂为麦芽糊精或淀粉或葡萄糖浆。
5.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S2的抗氧化剂选择抗坏血酸棕榈酸酯、混合生育酚以及抗坏血酸钠物质中一种或多种。
6.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S2的抗结剂为二氧化硅或磷酸三钙。
7.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S3的壁材选择麦芽糊精或葡萄糖浆辅料。
8.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S3中将壁材溶解于水相液中，芯材溶解于油相液中，之后在水相液中泵入油相液，再加水，并调节混合液的总固形物含量为15%至30%左右，控制温度范围在50℃至60℃保温进行搅拌20分钟。
9.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S3中乳化过程中采用加氮气保护，作为隔壁外界氧气防止反应过程被氧化。
10.根据权利要求1所述的一种低气味DHA藻油粉的制备工艺方法，其特征在于：所述步骤S6中喷雾干燥后对产品的水分含量及表面油含量进行最后检测处理，如不满足则重复所述步骤S1至所述步骤S6直至产品的水分含量小于或等于5.0%，表面油含量小于或等于2.0%。
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