CN109965221A - 一种豌豆粉的加工方法 - Google Patents
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Abstract
本发明提供了一种豌豆粉的加工方法,包括,Q1:微波预处理;Q2、膨胀溶剂处理;Q3、复合酶解处理;Q4、蒸发干燥并粉碎,得到豌豆粉。本方法通过独特的提取步骤、工艺操作和具体技术特征等的组合协同,从而得到了慢消化豌豆粉,食用方便,可以采用冲服方式食用,也可以作为原料进一步加工,在豌豆粉制作方法提供了新的思路,有广阔的工业化生产潜力。
Description
技术领域
本发明涉及食品加工技术领域,尤其是涉及采用超高压技术实现加工冷藏保鲜的一种豌豆粉的加工方法。
背景技术
豌豆性味甘平,有和中下气、利小便、解疮毒的功效,具有较高的药用价值,同时豌豆富含蛋白质、碳水化合物、脂肪、胡萝卜素和多种B族维生素,营养全面均衡,豌豆蛋白的生物价和功效比均高于大豆。豌豆煮食能生津解渴、通乳、消肿胀,鲜豌豆榨汁饮服可治糖尿病,豌豆作为我国人民的传统食品,深受人们的喜爱,目前以豌豆为原料的食品主要有豌豆膏、豌豆粉、膨化豌豆小食品等。
在上述食品中,除了膨化休闲食品因为水分含量低具有较长的保质期以外,鲜豌豆制品很难做到在冷藏或常温条件下长期保存,极大限制了鲜豌豆制品的生产和销售。由于豌豆营养成分丰富,鲜豌豆制品很容易受到微生物感染,如果采用传统的高温灭菌方法,就要加入护色剂、防腐剂等多种添加剂,采用高温加工方法对豌豆的各种营养成分都有破坏作用;豌豆淀粉相对于其他谷物和豆类淀粉的凝沉特性较强,在长期存放过程中极易产生水分析出、硬化,破坏了产品的外观和口感。综上所述,目前制约鲜豌豆制品长期保存的主要难点在于防腐和抑制淀粉老化。
发明内容
针对上述所阐述的缺陷和问题,本发明所要解决的技术问题是提供一种豌豆粉的加工方法。
为了达到上述目的,本发明提供如下技术方案:
一种豌豆粉的加工方法,包括如下步骤:
Q1:微波预处理,将干燥充分的豌豆粉碎,得到豌豆粉末;然后溶于水中,得到豌豆粉乳,糊化后加入环糊精葡萄糖基转移酶,环糊精葡萄糖基转移酶添加量为3—15U/g,以微波功率300-400W进行反应20-30分钟;保持55—60℃恒温反应1—12小时,最后过滤,得到滤液和豌豆滤渣。
Q2、膨胀溶剂处理,将豌豆滤渣加入到由2和C1-4醇按照体积比为1:4组成的膨胀溶剂中,加压至5MPa形成膨胀体系,在室温下搅拌提取35-55分钟;提取完成后,泄压至常压,进行蒸馏回收膨胀溶剂,处理后的滤渣干燥。
Q3、复合酶解处理,将Q1的滤液和Q2的滤渣混合,浓缩至原来体积的1/4-1/2,冷却至室温,得到浓缩液,向浓缩液中加入混合酶,混合酶为半纤维素酶与蛋白水解酶的混合物,其中半纤维素酶与蛋白水解酶的质量比为1:4-5,搅拌混合,得到混合液,然后在40-50℃下进行保温酶解20-30分钟,得到酶解液,升温至100℃,并保持15-20分钟,从而使酶灭活,自然冷却至室温;
Q4、蒸发干燥并粉碎,得到豌豆粉。
上述技术方案中,所述微波功率为300-400W,例如可为300W、350W或400W,优选为300-350W,最优选为350W。
本方法通过独特的提取步骤、工艺操作和具体技术特征等的组合协同,从而得到了慢消化豌豆粉,食用方便,可以采用冲服方式食用,也可以作为原料进一步加工,在豌豆粉制作方法提供了新的思路,有广阔的工业化生产潜力。
具体实施方式
下面将结合本发明的实施例,对本发明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作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。
实施例1:一种豌豆粉的加工方法,包括如下步骤:
Q1:微波预处理,将干燥充分的豌豆粉碎,得到豌豆粉末;然后溶于水中,得到豌豆粉乳,糊化后加入环糊精葡萄糖基转移酶,环糊精葡萄糖基转移酶添加量为5U/g,以微波功率300W进行反应25分钟;保持550℃恒温反应10小时,最后过滤,得到滤液和豌豆滤渣。
豌豆的种类并没有特别的限定,其可为各种豌豆品种,例如可为野豌豆、林下参或园参等,可根据实际情况进行合适的选择,例如可为经过完全干燥后的成品(例如中药店里直接出售给消费者的豌豆片、块茎或整棵的豌豆);所述粉碎也是非常常规的技术手段,例如可使用粉碎机进行,在此也不进行详细描述。
Q2、膨胀溶剂处理,将豌豆滤渣加入到由2和C1-4醇按照体积比为1:4组成的膨胀溶剂中,加压至5MPa形成膨胀体系,在室温下搅拌提取45分钟;提取完成后,泄压至常压,泄压至常压,进行蒸馏回收膨胀溶剂,膨胀溶剂可以重复利用,处理后的滤渣干燥。
C1-4醇例如可为甲醇、乙醇、正丙醇、异丁醇、叔丁醇等,最优选为乙醇。
Q3、复合酶解处理,将Q1的滤液和Q2的滤渣混合,浓缩至原来体积的1/4,冷却至室温,得到浓缩液,向浓缩液中加入混合酶,混合酶为半纤维素酶与蛋白水解酶的混合物,其中半纤维素酶与蛋白水解酶的质量比为1:4-5,搅拌混合,得到混合液,然后在40-50℃下进行保温酶解20-30分钟,得到酶解液,升温至100℃,并保持15-20分钟,从而使酶灭活,自然冷却至室温;
Q4、蒸发干燥并粉碎,得到豌豆粉。
经实施例1制得的豌豆粉,由于采用了糊化后加入环糊精葡萄糖基转移酶,形成了慢消化豌豆粉,又经过后续膨胀溶剂处理、复合酶解处理,使得豌豆粉的有效成分更纯,容易被人体吸收,最大限度的保留了豌豆富含的蛋白质、碳水化合物、脂肪、胡萝卜素和多种B族维生素,所制得的豌豆粉颗粒细致,易于长期保存,且豌豆粉被干燥到一个比较低的水分含量,水分活度低,不易被微生物利用从而延长其保质期的,解决了豌豆的防腐问题。
根据最终得到的豌豆粉质量与初始豌豆粉末的质量,计算得到提取率为0.84%,其中提取率计算公式如下:
提取率(%)=豌豆(g)/豌豆粉末质量(g)×100%。
实施例考察Q1中微波功率与环糊精葡萄糖基转移酶
微波功率的考察:除Q1中的微波功率不同外(其它均相同),以与实施例1的相同方法得到了实施例2-7,最终豌豆粉的提取率见下表1所示,为了方便比较,将实施例1的结果一同列出。
表1:微波功率的影响
编号 | 微波功率(W) | 提取率 |
实施例1 | 300 | 0.84% |
实施例2 | 330 | 0.81% |
实施例3 | 310 | 0.74% |
实施例4 | 350 | 0.67% |
实施例5 | 370 | 0.72% |
实施例6 | 390 | 0.65% |
实施例7 | 400 | 0.57% |
由上表1豌豆粉的提取率数据可见,对于Q1中的微波功率而言,当为300-330W时具有良好的提取率,而300W的效果最好,而当高于350W时,提取率有着明显的降低。
实施例考察Q2中膨胀溶剂体系中醇
醇的考察:除仅仅Q2中的膨胀溶剂体系中的乙醇替换为如下的其它醇外,其它操作均相同,以与实施例1的相同方法得到了实施例8-11,最终豌豆份的提取率见下表2所示,为了方便比较,将实施例1的结果一同列出。
表2:醇的影响
编号 | 醇 | 提取率 |
实施例1 | 乙醇 | 0.84% |
实施例8 | 甲醇 | 0.65% |
实施例9 | 正丙醇 | 0.69% |
实施例10 | 异丁醇 | 0.61% |
实施例11 | 叔丁醇 | 0.67% |
由上表2豌豆粉的提取率数据可见,对于Q2中的膨胀溶剂体系中的醇而言,乙醇具有最好的效果,而其它的醇提取率都有一定程度的明显降低。
实施例考察Q3中酶解
实施例12:除将Q3中的混合酶替换为用量为原来两种酶总用量的单一酶半纤维素酶外,其它操作均不变,从而重复实施了实施例1,得到实施例12。
实施例13:除将Q3中的混合酶替换为用量为原来两种酶总用量的单一酶蛋白水解酶外,其它操作均不变,从而重复实施了实施例1,得到实施例13。
最终豌豆粉的提取率见下表3所示,为了方便比较,将实施例1的结果一同列出。
表3:考察Q2中酶的选择
由上表3数据可见,只有同时使用半纤维素酶与蛋白水解酶的混合酶才能取得最好的提取效果,而当使用单一酶时,提取率均有明显降低。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应所述以权利要求的保护范围为准。
Claims (2)
1.一种豌豆粉的加工方法,其特征在于:
包括如下步骤:
Q1:微波预处理,将干燥充分的豌豆粉碎,得到豌豆粉末;然后溶于水中,得到豌豆粉乳,糊化后加入环糊精葡萄糖基转移酶,环糊精葡萄糖基转移酶添加量为3—15U/g,以微波功率300-400W进行反应20-30分钟;保持55—60℃恒温反应1—12小时,最后过滤,得到滤液和豌豆滤渣。
Q2、膨胀溶剂处理,将豌豆滤渣加入到由2和C1-4醇按照体积比为1:4组成的膨胀溶剂中,加压至5MPa形成膨胀体系,在室温下搅拌提取35-55分钟;提取完成后,泄压至常压,进行蒸馏回收膨胀溶剂,处理后的滤渣干燥。
Q3、复合酶解处理,将Q1的滤液和Q2的滤渣混合,浓缩至原来体积的1/4-1/2,冷却至室温,得到浓缩液,向浓缩液中加入混合酶,混合酶为半纤维素酶与蛋白水解酶的混合物,其中半纤维素酶与蛋白水解酶的质量比为1:4-5,搅拌混合,得到混合液,然后在40-50℃下进行保温酶解20-30分钟,得到酶解液,升温至100℃,并保持15-20分钟,从而使酶灭活,自然冷却至室温;
Q4、蒸发干燥并粉碎,得到豌豆粉。
2.根据权利要求1所述的一种豌豆粉的加工方法,其特征在于所述微波功率为300-400W,例如可为300W、350W或400W,优选为300-350W,最优选为350W。
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CN105154509A (zh) * | 2015-09-28 | 2015-12-16 | 宗树伟 | 一种人参肽的提取方法 |
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