CN101258940B - 一种冷冻干燥用的芦荟浓缩汁配制方法 - Google Patents
一种冷冻干燥用的芦荟浓缩汁配制方法 Download PDFInfo
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- CN101258940B CN101258940B CN2008100310943A CN200810031094A CN101258940B CN 101258940 B CN101258940 B CN 101258940B CN 2008100310943 A CN2008100310943 A CN 2008100310943A CN 200810031094 A CN200810031094 A CN 200810031094A CN 101258940 B CN101258940 B CN 101258940B
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- 235000011399 aloe vera Nutrition 0.000 title claims abstract description 60
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- 238000004108 freeze drying Methods 0.000 title claims abstract description 16
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- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims abstract description 9
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000002949 phytic acid Nutrition 0.000 claims abstract description 9
- 229940068041 phytic acid Drugs 0.000 claims abstract description 9
- 239000000467 phytic acid Substances 0.000 claims abstract description 9
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- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000000843 powder Substances 0.000 abstract description 13
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- 238000001035 drying Methods 0.000 abstract description 9
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- 238000007710 freezing Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 230000005587 bubbling Effects 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 abstract 2
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- 150000003722 vitamin derivatives Chemical class 0.000 description 2
- 108010001515 Galectin 4 Proteins 0.000 description 1
- 102100039556 Galectin-4 Human genes 0.000 description 1
- 241000234280 Liliaceae Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Chemical class CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
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- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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Abstract
本发明提供一种冷冻干燥用的芦荟浓缩汁配制方法，在芦荟浓缩汁中添加0.01％～0.1％的植酸，0.02％～0.2％的甘露醇；然后再进行冷冻干燥。添加甘露醇，使芦荟浓缩汁在速冻过程中，可以在变成固态时快速形成规则的晶体，防止在干燥时物料表面起泡，加快冻干速度，减少未冻干物料的重量，提高冻干产品得率。添加植酸，可以防止芦荟在干燥后期发生褐变，保证产品芦荟粉的感官质量。本发明具有生产成本低，操作简单，可直接应用于批量制备芦荟冻干粉产品。
Description
技术领域
本发明涉及芦荟深加工领域中的一种加工配制方法，是调整芦荟浓缩汁配比，加快芦荟浓缩汁在速冻过程中形成规则的固态晶体，预防冷冻干燥过程中芦荟起泡现象和芦荟粉变色现象。
背景技术
芦荟是百合科多年生草本植物，含有大量的糖类、蛋白质氨基酸、有机酸、蒽醌类化合物、维生素、矿物质等营养成分和功效成分，具有医疗、保健、美容、观赏等作用。芦荟凝胶冻干粉是医药、化工、食品方面的重要原料。热风干燥法和喷雾干燥法加工芦荟，必须提高干燥温度或延长干燥时间，导致芦荟营养成分破坏较大，特别是热敏性营养成分和维生素在干燥过程中变性而失去功效。真空冷冻干燥是低温干燥技术，先将芦荟浓缩汁在低温下速冻变成固态，然后在低真空条件下加热，让冰直接升华变成水蒸汽，从而得到多孔的干物料，进一步加工成芦荟粉。冷冻干燥可以有效地保留芦荟的营养成分。但在速冻过程中，由于芦荟的主要成分是糖类、氨基酸、有机酸等混合物，共晶点不是一个温度点，而是一个温度范围，芦荟浓缩汁很难快速变成固态，很难形成规则的固态晶体，因此，需要延长速冻时间；并且在干燥时芦荟物料表面容易起泡，造成部分物料不能完全冻干。同时，在干燥后期，随着温度上升，芦荟物料表面容易发生褐变现象，造成芦荟粉颜色变黄、变深。因此，有必要对芦荟浓缩汁进行合理调配，添加有效的物质，使芦荟浓缩汁在速冻过程中能快速形成规则的晶体，防止在干燥过程中起泡，并且不易发生变色现象。
发明内容
本发明的目的在于提供一种芦荟浓缩汁的配制方法，该方法能够让芦荟浓缩汁在速冻过程中快速结晶变成固态，晶体结构规则，在干燥时不易起泡，物料干燥完全，同时芦荟粉颜色正常。
本发明的技术方案是：一种冷冻干燥用的芦荟浓缩汁配制方法，
其特征在于采用下列配比和操作步骤：
A、在芦荟浓缩汁中添加0.01％～0.1％的植酸。
B、在上述芦荟浓缩汁中加入0.02％～0.2％的甘露醇。
C、将上步骤所得芦荟浓缩汁搅拌均匀即可进行冷冻干燥。
本发明中，芦荟浓缩汁的制取、搅拌、冷冻干燥都为公知技术。
本发明具有下列优点和效果：采用上述方案，即在芦荟浓缩汁中添加0.02％～0.2％的甘露醇，0.01％～0.1％的植酸，然后进行冷冻干燥，将得到质量好、成本低的芦荟冻干粉。添加甘露醇，芦荟浓缩汁在速冻过程中，可以在变成固态时快速形成规则的晶体，防止干燥时芦荟物料表面起泡，加快冻干速度，减少未冻干的物料的量，提高冻干产品的得率。添加植酸，防止芦荟物料在干燥后期发生褐变，保证产品芦荟冻干粉的感官质量。本发明还具有生产成本低，操作简单，添加物都符合国家食品添加剂要求等特点，可直接应用于批量制备芦荟冻干粉产品的生产。
具体实施方式
实施例1
1、称取1000kg的10∶1芦荟凝胶浓缩汁，投入到搅拌锅内；
2、称取0.5kg食品级植酸，加入到芦荟凝胶浓缩汁中，搅拌均匀；
3、称取1kg甘露醇；加入到芦荟凝胶浓缩汁中，搅拌均匀；
4、将上述按配方调好的芦荟凝胶浓缩汁按已知技术进行冷冻干燥，粉碎，即得到所需的芦荟凝胶冻干粉。
实施例2
1、称取200kg的10∶1芦荟脱色凝胶浓缩汁，投入到搅拌锅内；
2、称取0.08kg植酸，加入到芦荟脱色凝胶浓缩汁中，搅拌均匀；
3、称取0.15kg甘露醇；加入到芦荟脱色凝胶浓缩汁中，搅拌均匀；
4、将上述按配方调好的芦荟脱色凝胶浓缩汁按已知技术进行冷冻干燥，粉碎，即得到所需的芦荟脱色凝胶冻干粉。
实施例3
1、称取800kg的10∶1芦荟全叶浓缩汁，投入到搅拌锅内；
2、称取0.3kg植酸，加入到芦荟全叶浓缩汁中，搅拌均匀；
3、称取0.9kg甘露醇；加入到芦荟全叶浓缩汁中，搅拌均匀；
4、将上述按配方调好的芦荟全叶浓缩汁，按已知技术进行冷冻干燥，粉碎，即得到所需的芦荟全叶冻干粉。
Claims (1)
1.一种冷冻干燥用的芦荟浓缩汁配制方法，其特征在于采用下列配比：
A、在芦荟浓缩汁中添加0.01％～0.1％的植酸；
B、在上述芦荟浓缩汁中加入0.02％～0.2％的甘露醇。
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| CN101664214B (zh) * | 2009-09-15 | 2012-08-22 | 华南理工大学 | 超声协同养晶的果汁冷冻浓缩方法与设备 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1314108A (zh) * | 2001-03-02 | 2001-09-26 | 郭茂祥 | 一种芦荟制品的制造方法 |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314108A (zh) * | 2001-03-02 | 2001-09-26 | 郭茂祥 | 一种芦荟制品的制造方法 |
Non-Patent Citations (2)
| Title |
|---|
| 刘云宏等."芦荟加工应用新技术研究".《食品科学》.2005,第26卷(第8期),494-496. |
| 姚静等."赋形剂对冷冻过程的影响".《药物冻干制剂技术的设计与应用》.中国医药科技出版社,2007,第175-176页. |
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