CN111479473A - 包含酶、载体和植物油的颗粒 - Google Patents
包含酶、载体和植物油的颗粒 Download PDFInfo
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- CN111479473A CN111479473A CN201880080714.4A CN201880080714A CN111479473A CN 111479473 A CN111479473 A CN 111479473A CN 201880080714 A CN201880080714 A CN 201880080714A CN 111479473 A CN111479473 A CN 111479473A
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Abstract
本发明涉及一种包含载体和酶的酶颗粒和一种制备酶颗粒的方法,其中所述颗粒包含0.015重量%至0.4重量%的植物油,所述方法包括使载体与酶混合并加入包含植物油的组合物,其中所述酶颗粒包含0.015重量%至0.4重量%的植物油。本发明还涉及所述酶颗粒在制备食品或饲料产品中的用途。
Description
技术领域
本发明涉及包含载体和酶的酶颗粒、所述酶颗粒的制备方法以及所述酶颗粒在制备食品或饲料产品中的用途。
背景技术
酶颗粒广泛应用于食品、饲料和洗涤剂工业。已知几种制备含酶颗粒的方法。通常,制备酶颗粒的方法包括混合水溶液和固体载体,使酶与载体结合,然后干燥载体。
EP0986313公开了一种适于动物饲料中使用的含酶颗粒的制备方法,所述方法包括将酶和含有至少30%(w/w)淀粉的固体载体和水混合,进行机械加工,例如挤出混合物以获得含酶颗粒并干燥颗粒。干燥之后,颗粒的水含量为3至10%。
US20020028267公开了一种用于制造在食品工业中使用的活性稳定、低粉尘酶颗粒的方法,所述方法包括合成0.01至20重量份的酶或酶混合物、80至99.99重量份的有机面粉类型(研磨度为30%至100%),其中面粉类型是通过研磨面粉来源、使用计算出的足以确定湿颗粒中的水分含量为20重量%至50重量%的水量并干燥颗粒获得的。
US2009/0317515公开了用于动物饲料的固体酶制剂,所述固体酶制剂包含盐和载体(例如麦麸)的混合物,其可进一步含有0.5重量%或1.0重量%的豆油。US2009/0317515中的固体酶制剂在分离稳定性、粉尘倾向和流变行为方面表现出改善。
US2010/0310720公开了一种烘焙用酶组合物,所述组合物包含淀粉或面粉载体,以及任选地0.01重量%至约2.00重量%的量,优选0.75重量%的量的油。加入油有助于防止各组分分离。
对于烘焙应用,酶主要与面粉一起颗粒化,并且面粉的粒径与烘焙应用中面粉的粒径相适应,以确保与面粉均匀分布。然而,在处理面粉的过程中,可能会发生严重的粉尘问题,粉尘被执行操作的人员吸入,从而导致严重的健康问题。将油添加到非常细的颗粒的酶中可用来对这些颗粒脱尘,但似乎酶的溶解度降低,因而削弱了酶的有效作用。此外,向细颗粒酶颗粒中添加油可导致颗粒凝结,这可能导致颗粒流动性和/或筛分不良。
需要一种替代性的酶颗粒。
附图说明
图1.(A)自制的分离测定仪。(B)取样装置。
图2.休止角测量图。
发明内容
本发明涉及一种酶颗粒,所述酶颗粒包含载体和酶,其中所述颗粒包含0.015重量%至0.4重量%的植物油。
本发明还涉及一种用于制备酶颗粒的方法,所述方法包括使载体与酶混合并加入包含植物油的组合物,其中所述酶颗粒包含0.015重量%至0.4重量%的植物油。
本发明也涉及本文中公开的酶颗粒用于制备面团、预混物或食品或饲料产品的用途。
具体实施方式
本发明涉及一种酶颗粒,所述酶颗粒包含载体和酶,其中所述颗粒包含0.015重量%至0.4重量%的植物油。惊人地,已经发现,与包含相同载体但是不包含0.015重量%至0.4重量%的植物油的酶颗粒相比,包含0.015重量%至0.4重量%植物油的酶颗粒显示出更少的分离或没有分离,并且其中酶载体仍是易流动的。例如,可使用实施例中公开的克莱恩(Klein)杯或使用休止角法来测量流动性。
本发明中使用的分离意味着酶颗粒中的一种或多种酶是不均质的或不均匀的分布。例如,在酶颗粒的储存、分布和/或处理(批次)过程中,酶颗粒会分离,并且可以用肉眼观察。通过比较分离后酶颗粒中不同部位的酶活性,可以确定酶颗粒的分离。
本文中公开的酶颗粒包含载体和酶,其中载体和酶是固体颗粒。优选地,载体颗粒的粒径与酶颗粒的粒径相似。载体颗粒优选具有与酶颗粒的密度相似的密度。
本文中公开的并通过本文中公开的方法制备的酶颗粒包含任何适宜的载体,优选可食用载体,例如无麸质(Gluten-free)载体。本文中使用的载体不是蜡、脂肪或凝胶。本文所用的合适的载体是干载体,例如合适的载体可以包括任何合适的面粉。面粉可以是来自小麦、黑麦、大麦的面粉和/或来自无麸质来源的面粉,例如来自大米、马铃薯或玉米的面粉。载体也可以包括麦芽糊精、凝聚麦芽糊精、淀粉或凝聚淀粉。麦芽糊精可以通过本领域已知的方法由葡萄糖糖浆制备。本文中使用的麦芽糊精可具有的DE(右旋糖当量)在3至20之间。载体可包含一定量的植物油,例如0.5重量%至25重量%的植物油,例如1重量%至10重量%的植物油。
本文中公开的酶颗粒可包含任何适宜的酶。本文中公开的酶颗粒可包含一种或多种酶。本文中公开的酶例如可以是淀粉酶、果胶酶、蛋白酶、脂肪酶、木聚糖酶、纤维素酶、天冬酰胺酶和/或葡萄糖氧化酶。适宜的酶可以是α-淀粉酶(E.C.3.2.1.1.)、β-淀粉酶(E.C.3.2.1.2)或麦芽糖淀粉酶(E.C.3.2.1.133)。果胶酶包括但不限于半乳糖醛酸1,4-α-半乳糖醛酸酶(galacturonan 1,4-alpha-galacturonases)(E.C.3.2.1.67)和多聚半乳糖醛酸酶(E.C.3.2.1.15)。蛋白酶(3.4.21.[..])包括内切和外切蛋白酶,并可能在特定氨基酸,例如脯氨酸、谷氨酰胺等上表现出优先切割。脂肪酶(E.C.3.1.1.[..])包括具有不同特异性的脂肪分解酶,例如磷脂酶,例如磷脂酶A1或A2,或磷脂酶C和/或半乳糖脂肪酶。
(半)纤维素酶(E.C.3.2.1.[…])包括酶,例如木聚糖酶、阿拉伯呋喃糖苷酶和纤维素酶,例如内切和外切葡聚糖酶。
适宜的葡萄糖氧化酶属于酶分类E.C.1.1.3.4。
本文中公开的酶颗粒包含任何适宜的植物油,优选可食用植物油。适宜的植物油可包括向日葵油、棕榈油、豆油和/或芥花籽油。
酶颗粒包含0.015重量%至0.4重量%的植物油,例如0.02重量%至0.3重量%,例如0.03重量%至0.25重量%的植物油,例如0.04重量%至0.2重量%的植物油,例如0.05重量%至0.1重量%的植物油,例如0.04重量%至0.06重量%,或0.045重量%至0.08重量%,或0.035重量%至0.07重量%的植物油。惊人地,已经发现含0.015重量%至0.4重量%植物油的酶颗粒比由相同载体制备但不含0.015重量%至0.4重量%植物油的酶颗粒显示出更少的分离,且仍具有足够好的流动性,并且不结块。
本文中公开的酶颗粒是其中60%至97%,例如70%至98%,80%至99%,或90%至100%的酶颗粒具有63至224μm的粒径的酶颗粒,例如91%至99.9%,92%至99.8%,93%至99.6%,94%至99.5%,例如95%至99.4%或95.5%至99%的酶颗粒具有63至224μm的粒径。采用筛分分析,优选根据标准化方法NPR 2244的筛分分析来测定粒径。
本文中公开的酶颗粒的堆积密度为300至500kg/m3,例如350至450kg/m3。
本文中公开的酶颗粒包含水,例如1重量%至15重量%的水,例如2重量%至12重量%,例如3重量%至10重量%,例如4重量%至9重量%的水,例如5重量%至8重量%的水。
在另一个方面中,本发明涉及一种用于制备酶颗粒的方法,所述方法包括使载体与酶混合并加入包含植物油的组合物,其中所述酶颗粒包含0.015重量%至0.4重量%的植物油。
酶颗粒的制备方法可以通过本领域已知的任何适当方法来进行。酶通常首先由能够在允许酶表达的条件下产生酶的合适的微生物细胞发酵而产生,这是本领域技术人员已知的。这种酶可以通过过滤或离心(包括超滤)从微生物细胞中分离出来。
酶颗粒的制备方法可以包括干燥包含酶的液体组合物,例如在多级干燥过程中。多级干燥包括在物理分离部分中干燥材料,例如包含酶的液体组合物。干燥包含酶的液体组合物可包括喷雾干燥。喷雾干燥是本领域的技术人员已知的由液体或浆料生产干粉或干颗粒的方法。喷雾干燥包括使含有酶的液体组合物的温度达到20至90℃,例如30至80℃,例如40至70℃。喷雾干燥可包括使液体组合物接触110℃至190℃的气流,例如120℃至160℃,例如125℃至145℃。在喷雾干燥的过程中,可以加入包含酶、载体(例如小麦粉、麦芽糊精和/或米粉)的液体组合物。
酶颗粒的制备方法还可包括在(喷雾)干燥酶之后在流化床中使包含酶的液体组合物流态化。使用流化床的方法是本领域中的技术人员已知的。
本文中公开的酶颗粒的制备方法包括使载体与酶混合。在本文中公开的酶颗粒的制备方法中与载体混合的酶可以是固体颗粒的形式。含有本文中公开的酶的固体颗粒还可包含麦芽糊精。一般颗粒技术,例如由Bull,F.A.等翻译的Rumpf,H.(1990)颗粒技术,Scarlett B.,Chapman and Hall已知。
在本文中公开的方法中与载体混合的酶可包括一种或多种酶,例如淀粉酶、果胶酶、蛋白酶、脂肪酶、木聚糖酶、纤维素酶和/或葡萄糖氧化酶,在上文进一步公开。
本文中公开酶颗粒的制备方法中载体与酶的混合可采用任何适宜的方式,使用本领域的技术人员已知的混合器进行。
在酶颗粒的制备方法中与酶混合的载体可以是上文公开的任何适宜的载体。载体可包括来自小麦、黑麦或大麦的面粉和/或无麸质载体,例如麦芽糊精,或凝聚麦芽糊精、马铃薯淀粉或凝聚淀粉,或来自大米或玉米的面粉。优选地,载体包括麦芽糊精或米粉。载体可包括小麦粉。
本文中公开的酶颗粒的制备方法还包括加入含有植物油的组合物。如本文公开,使载体与酶混合之前、期间或之后,可以执行加入含有植物油的组合物。以这样的量加入含有植物油的组合物,以使酶颗粒包含0.015重量%至0.4重量%的植物油,例如0.02重量%至0.3重量%,例如0.03重量%至0.25重量%的植物油,例如0.04重量%至0.2重量%的植物油,例如0.05重量%至0.1重量%的植物油,例如0.04重量%至0.06重量%或0.045重量%至0.08重量%,或0.035重量%至0.07重量%的植物油。
被添加至载体和酶中的植物油优选是可食用植物油,可包括液体植物油。液体植物油可以是包含至少99重量%的植物油的植物油。作为选择,包含植物油的组合物可包括含有植物油的第二载体。含有植物油的第二载体可包含1重量%至60重量%的植物油,例如2重量%至50重量%的植物油,例如5重量%至40重量%,例如10重量%至30重量%的植物油。第二载体可包括麦芽糊精、马铃薯淀粉、小麦粉、米粉或其他来源的面粉。
本文中公开的酶颗粒的制备方法中加入的植物油可包括向日葵油、棕榈油、豆油和/或芥花籽油。
本文中公开的酶颗粒的制备方法中制备的酶颗粒还可包括上文公开的任一个实施方式。
在另一个方面中,本发明涉及本文中公开的酶颗粒在制备食品或饲料产品、面团或预混物中的用途。可以制备任何适宜的食品或饲料产品。食品可以是烘焙产品。通常,制备烘焙产品的方法包括制备面团的步骤。本文公开的酶颗粒使得酶活性在食品或饲料产品、面团或预混物中容易应用且分布均匀。
烘焙产品是指由面团制备的烘焙食品。烘焙产品的示例是不同类型的面包(白面包、全麦面包或黑麦面包)、蛋糕、饼干和零食。食品可以是无麸质食品,例如无麸质烘焙产品。本文所用的无麸质烘焙产品是含有至多20ppm麸质的产品。一些谷物和淀粉来源被认为是可以接受的无麸质饮食。常用的来源是马铃薯、大米和木薯粉(来源于木薯)。
本发明也涉及包含本文公开的酶颗粒的面团或预混物。
术语“面团”在本文中被定义为面粉,例如小麦粉,或无麸质来源的面粉和其他成分的混合物。本文中使用的其他成分包括卵磷脂来源,包括蛋、水、盐、糖、香料,脂肪来源,包括黄油、人造黄油、油和起酥油,或蛋白质来源,包括牛奶。对于发酵产品,面团通常包括烘焙用酵母和/或化学发酵系统,例如酸(生成化合物)和碳酸氢盐的组合。
面团足够结实,可以揉捏或辗擀。面团可以是新鲜的、冷冻的、准备好的或预烘焙的。术语“面团”包括糊状物(batter)。糊状物是一种或多种面粉和液体(例如水、牛奶或蛋)组合的半液体的混合物(足够薄而可以由勺子滴下或倒出),用于制备各种食物,包括蛋糕。
预混物,例如包含本文公开的酶颗粒的预混物通常包含一种或多种其他成分,所述成分选自由以下项组成的组:奶粉、麸质、粒状脂肪、附加酶、氨基酸、盐、氧化剂(包括抗坏血酸、溴酸盐和偶氮二甲酰胺(ADA))、还原剂(包括L-半胱氨酸)、乳化剂(包括甘油单酯/甘油二酯、甘油单酯,例如甘油单硬脂酸酯(GMS)、硬脂酰乳酸钠(SSL)、硬脂酰乳酸钙(CSL)、脂肪酸的聚甘油酯(PGE)和甘油单酯和甘油二酯的双乙酰酒石酸酯(DATEM))、树胶(包括瓜尔胶和黄原胶)、香料、酸(包括柠檬酸、丙酸)、淀粉、改性淀粉、麸质、保湿剂(包括甘油)和防腐剂。
本发明也涉及一种用于制备食品或饲料产品的方法,所述方法包括使本文公开的酶颗粒与适宜的其他食物或饲料组分混合并制备食品或饲料产品。任何适宜的组分可用于制备本领域的技术人员已知的食品或饲料产品。如果食品是上文公开的烘焙产品,酶颗粒可与面粉和其他成分(例如上文所公开的)混合,从而制备面团并烘焙面团以制备烘焙产品。本发明也涉及一种用于制备面团或预混物的方法,所述方法包括使本文公开的酶颗粒与任何适于制备面团或预混物的组分(例如面粉、酵母和/或水)混合。
实施例
材料和方法
小麦粉(面粉TM80)和米粉(热处理米粉)获自(法国Westhove)
通过将60重量%的麦芽糊精糖浆(C 1967S,Roquette,法国)用水稀释为40重量%的麦芽糊精糖浆并溶解1.7重量%的NaCl来制备麦芽糖糊精(DE≤20)(DiluantWhite)。液体在90℃受到热冲击以减少微生物的生长。在高温(>40℃)下保持液体直至其干燥。
向日葵油来自(Levo,批次号2363)。
DW/油是Diluant White(麦芽糊精)与25重量%的向日葵油的混合物。
Diluant White SF是Diluant White与1.5重量%的向日葵油的混合物。
Dedust,IFT(AB Mauri)是马铃薯淀粉(43重量%)、小麦粉(22重量%)和向日葵油(35重量%)的混合物。
酶
Pectinase MG包含来自黑曲霉的聚半乳糖醛酸酶,以250000AVJP/g标准化。
酶活性测定
葡萄糖氧化酶
葡萄糖氧化酶活性是通过滴定所形成的葡萄糖酸的方法测定的。将1ml稀释的葡萄糖氧化酶添加到25ml预热的30g/I的葡萄糖一水合物溶液中,温度为35摄氏度。样品稀释液和底物在pH 5.1的50mM HAC缓冲液(含有50mM NaCI)中制备。在35摄氏度孵育15分钟后,加入10ml 0.1N的NaOH以中止反应,同时中和形成的葡萄糖酸。过量的NaOH用0.05M HCI滴定。样品和空白样品之间HCI消耗量的差异是葡萄糖氧化酶活性的量的测量结果。一个葡萄糖氧化酶单位(SRU)被定义为在分析条件下将3mg葡萄糖氧化为葡萄糖酸所需的酶量。
脂肪酶
脂肪酶活性可以用pNP(4-硝基苯酚)单位表达。一个单位(DLU)是指在试验条件下每分钟释放一微摩尔4-硝基苯酚的酶的量。
分析的原理如下:酶、缓冲液和底物溶液的混合物在25℃下孵育30分钟。在孵育期间,测量348nm处的吸光度。
底物溶液如下制备:制备生色底物在2-丙醇中的8.0mM溶液。随后,在剧烈搅拌下,将3.5ml的该溶液加入到含有46.5ml的100mmol/l醋酸钠缓冲液中(pH 5.5,含有1%TritonX-100)。底物是pNP-棕榈酸酯(N2752,Sigma Aldrich)。
酶在含1%Triton X-100的pH 5.5的100mmol/L醋酸钠缓冲液中稀释,以使吸光度的增加在30分钟后小于1.0。通过在微量滴定板中将10微升稀释酶溶液和240微升底物溶液混合开始反应。将200微升该混合物添加到新鲜的微量滴定板中,其放置在TECAN InfiniteM1000微量滴定板读取器中,温度保持在25℃,并在348nm(4-硝基苯酚的等吸光点)处测量混合物的吸收率变化30分钟。通过在底物溶液中加入10微升pH 5.5的醋酸钠缓冲液代替酶溶液,然后遵循与上述酶反应相同的步骤来制备空白样品。通过将4-硝基苯酚溶解在pH5.5的100mmol/L醋酸钠缓冲液(含有1%Triton X-100)中,制备校准线。
样品的吸光度相对于时间绘图。在吸光度测量的线性部分确定斜率。通过减去空白反应的斜率来校正酶反应的斜率。随后,相对于校准线的斜率计算活性。
果胶酶
在pH 3.85和50℃下使用乌氏粘度计(C型)测量由果胶酶活性引起的约15.5g/L甲基化果胶(甲基化程度>85%)溶液的粘度降低。粘度的降低是衡量酶活性的指标。
果胶酶活性用AVJP表示,其中一个单位AVJP是在1ml酶溶液中的酶量,在试验条件下,该酶溶液以表观常数为0.00027/分钟的速度诱起粘度变化。
木聚糖酶
使用Konelab Arena 30临床用分析仪,通过由对硝基苯基-β-D-吡喃木糖苷(pNP-X,Sigma-Aldrich N2132)释放对硝基苯酚(pNP)来测定木聚糖内切酶的活性。酶样品与底物孵育16分40秒,然后通过添加碱停止溶液终止反应(形成颜色)。
通过将100mg pNP-X溶解在50ml pH 4.5的醋酸钠缓冲液(30mM)中制备pNP-X底物。酶样品在添加有0.2%Triton X-100的30mM醋酸钠缓冲液中稀释至0.25至1.5NTXU/ml。
156μl底物在37℃下在分析仪中预热5分钟,然后通过添加13μl适当稀释的样品开始反应。孵育后,加入80μl 300mM碳酸钠溶液,在405nm处测量酶活性导致的吸光度增加。通过在相同设备上使用相同试剂进行的pNP校准(使用已知浓度的pNP溶液)计算活性。
一个NTXU被定义为在分析条件下(pH 4.5,37℃)每分钟释放0.06μmol对硝基苯酚的酶的量。
分离
用自制设备测量分离,该设备由玻璃管(尺寸:长度=35cm,直径=6.5cm)组成,以30°的角度放置在支架中(见图1)。将150g的量的酶颗粒放入试管中,然后以使材料缓慢流动的速度旋转试管。旋转至少30分钟后,使用专用取样装置(见图1)从顶部部分和底部部分取样,并按上述方法测定酶活性。
对于实施例3中的分离试验,将玻璃圆筒以15°的角度旋转,并将200g的量的酶颗粒放入试管中。
粒径的测定
为测定酶颗粒的粒径,使用筛分机(Retsch筛,RS200数字型),采用标准NPR2244试验筛,筛的直径为200mm。筛的孔径为1000μm、224μm和63μm。
在多层筛(stacked sieve)中称重25g酶颗粒。在10分钟内,振动筛板。分别称重各筛,并计算各筛上起始物料的残余物的百分比。
对于实施例3中的试验,使用50g的样品载荷,用孔径为250μm、224μm、180μm、150μm、125μm、90μm和63μm的筛(直径200mm)测定酶颗粒的粒径。如上所述进行筛分。
测定流动性
克莱恩杯
使用所谓的克莱恩杯来测定流动性,玻璃管的末端为圆锥形,底部有限定的开口,直径为2.4mm、5mm、8mm、12mm或18mm。
杯子用酶颗粒填充约75%。当酶颗粒在没有帮助的情况下流经管子时,如同在墙上滴答作响,这就是这种流动性的直径。直径越小,流动性越好:直径2.4mm是极好,5mm是良好,8mm是足够,12mm将将够,18mm是差。
休止角
粉末休止角的测量基于以下原理:粉末从玻璃容器底部的小孔流出形成圆锥形山(P.Schuck等,食品和乳粉分析方法(Analytical Methods for Food and Dairy Powders)(2012),Wiley-Blackwell,ISBN 978-0-470-65598-6)。“山”的坡度相对于基线的角度是流动性的测量结果。
拍摄所得锥体的照片(见样品图,图2)。用软件包:ImageJ 1.51j8分析这张照片。
表1给出了流动性分类值(来自表8.1,第138页,来自P.Schuck等,食品和乳粉分析方法(2012),Wiley-Blackwell,ISBN 978-0-470-65598-6)。
表1流动性的分类值
角度 | 流动性性能 |
<25–30 | 优秀 |
31–35 | 良好 |
36–40 | 中等(fair) |
41–45 | 尚可(possible) |
46–55 | 差 |
56-65 | 很差 |
66-90 | 非常非常差 |
实施例1
通过在Turbula混合器(Turbula T2F)中混合载体与酶30分钟制得酶颗粒。表2中示出了脂肪酶、木聚糖酶以及果胶酶的载体和酶颗粒的重量百分比。
表2.粗颗粒和载体的重量百分比
混合后,酶颗粒在上述分离测试仪中进行处理。对酶颗粒的起始混合物,以及分离后酶颗粒的底部和顶部进行取样,并对相关酶活性进行分析。
表3至表5的结果表明,添加0.05重量%的油降低了包含麦芽糊精(Diluantwhite)或米粉为载体的酶颗粒的顶部和底部部分之间的酶活性差异。
表6显示,与由同一载体制备的不含油的酶颗粒相比,添加0.05重量%和0.5重量%的油可降低包含小麦粉为载体的酶颗粒的酶活性差异。
木聚糖酶
表3.相对于分离前酶颗粒的木聚糖酶活性,分离测试后分离管中顶部和底部的样品中的酶颗粒的木聚糖酶活性(%)
脂肪酶
表4.相对于分离前酶颗粒的脂肪酶活性,分离测试后分离管中顶部和底部的样品中的酶颗粒的脂肪酶活性(%)
果胶酶
表5.相对于分离前酶颗粒的果胶酶活性,分离测试后分离管中顶部和底部的样品中的酶颗粒的果胶酶活性(%)
葡萄糖氧化酶
表6.相对于分离前酶颗粒的葡萄糖氧化酶活性,分离测试后分离管中顶部和底部的样品中的酶颗粒的葡萄糖氧化酶活性(%)
实施例2
2.1.粒径分布
使用上述筛分试验确定包含米粉或麦芽糊精(Diluant White)的颗粒的粒径。在不添加酶的情况下测定粒径。表7中的结果表明,粒径分布(通过筛分分析)不受颗粒中添加0.05%油的影响。
表7.由不同载体制备的颗粒的粒径分布
2.2.流动性
使用上述克莱恩杯测定不同颗粒的流动性。测试不添加酶的含有米粉或麦芽糊精(Diluant White)的颗粒的流动性。表8的结果表明,含0.05%油的颗粒仍然具有良好或足够的流动性。
表8.由不同载体制备的颗粒的流动性
也测试了含有0、0.05重量%、0.1重量%、0.5重量%、1重量%和2重量%油时小麦粉上的GO Classic葡萄糖氧化酶酶颗粒的流动性。表9中的结果显示,添加油高达0.5重量%时小麦粉上的葡萄糖氧化酶酶颗粒的流动性仍然足够。
实施例3
通过将酶的粗颗粒与Diluant White,以及适量的Diluant White SF在Turbula混合器(Turbula T2F)中混合30分钟来制造BXP木聚糖酶和Golden脂肪酶的酶颗粒。含木聚糖酶或脂肪酶的酶颗粒中的油的量wt%为0、0.02、0.05、0.1和0.75重量%。
3.1.筛分分析
表10和表11中的结果显示,油含量为0.75重量%的木聚糖酶和脂肪酶颗粒具有超过50%的粒径大于250μm的颗粒。油含量为0.05重量%的颗粒的粒径分布与不添加油的颗粒的粒径分布相似。
3.2.流动性
表12和13(8次测量的平均值)中的结果显示,随着油含量的增大,颗粒的流动性降低,但油含量高达0.1重量%时,颗粒仍可以流动。
在休止角法中,含0.75重量%油的木聚糖酶和脂肪酶颗粒没有流过玻璃杯底部的孔。
3.3.颗粒的分离
分离测试后,在分离管的顶部、中部和底部取样,并如上所述测定木聚糖酶和脂肪酶活性。
表14和表15中的结果分别显示了木聚糖酶和脂肪酶的活性相对于分离前颗粒的木聚糖酶和脂肪酶活性的百分比。添加0.02重量%和0.75重量%油抑制了分离。
表14.相对于分离前酶颗粒的木聚糖酶活性,分离测试后取自分离管顶部、中部和底部样品的酶颗粒的木聚糖酶活性(%)
表15.相对于分离前磷脂酶颗粒的脂肪酶活性,分离测试后取自分离管顶部、中部和底部样品的酶颗粒的脂肪酶活性(%)
结论
实施例表明,含0.02、0.05和0.1重量%油的酶颗粒显示出减少的分离,并且仍然可以流动。含有0.75重量%油的酶颗粒也显示出减少的分离,但颗粒不流动,并且含有0.75重量%油的酶颗粒中超过50%的颗粒具有大于250μm的粒径。
Claims (15)
1.一种酶颗粒,所述酶颗粒包含载体和酶,并且其中所述颗粒包含0.015重量%至0.4重量%的植物油。
2.根据权利要求1所述的酶颗粒,其中所述载体包括小麦粉、麦芽糊精、凝聚麦芽糊精或米粉。
3.根据权利要求1或2所述的酶颗粒,其中所述酶是淀粉酶、果胶酶、蛋白酶、脂肪酶、木聚糖酶、纤维素酶、天冬酰胺酶和/或葡萄糖氧化酶。
4.根据权利要求1至3中任一项所述的酶颗粒,其中所述植物油包括向日葵油、棕榈油、豆油和/或芥花籽油。
5.根据权利要求1至4中任一项所述的酶颗粒,其中基于筛分分析,所述颗粒的60%至100%具有63至224μm的粒径。
6.一种用于制备酶颗粒的方法,所述方法包括使载体与酶混合并加入包含植物油的组合物,其中所述酶颗粒包含0.015重量%至0.4重量%的植物油。
7.根据权利要求6所述的方法,其中在使载体与酶混合之前、期间中或之后执行加入包含植物油的组合物。
8.根据权利要求6或7所述的方法,其中包含植物油的所述组合物是液体植物油。
9.根据权利要求6或7所述的方法,其中包含植物油的所述组合物是包含植物油的第二载体。
10.根据权利要求6至9中任一项所述的方法,其中与所述酶混合的所述载体包括小麦粉、麦芽糊精、凝聚麦芽糊精或米粉。
11.根据权利要求9所述的方法,其中所述第二载体包括小麦粉、麦芽糊精、凝聚麦芽糊精或米粉。
12.根据权利要求6至11中任一项所述的方法,其中所述植物油包括向日葵油、棕榈油、豆油和/或芥花籽油。
13.一种用于制备食品或饲料产品、面团或预混物的方法,所述方法包括使根据权利要求1至5中任一项所述的酶颗粒与用于制备食品或饲料产品、面团或预混物的适宜的其他成分混合。
14.根据权利要求1至5所述的酶颗粒在制备食品或饲料产品、面团或预混物中的用途。
15.根据权利要求14所述的用途或根据权利要求13所述的方法,其中所述食品是烘焙产品。
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Application Number | Priority Date | Filing Date | Title |
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EP17207296 | 2017-12-14 | ||
EP17207296.9 | 2017-12-14 | ||
PCT/EP2018/084680 WO2019115669A1 (en) | 2017-12-14 | 2018-12-13 | Granulate comprising an enzyme, a carrier and a vegetable oil |
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CN111479473A true CN111479473A (zh) | 2020-07-31 |
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CN201880080714.4A Pending CN111479473A (zh) | 2017-12-14 | 2018-12-13 | 包含酶、载体和植物油的颗粒 |
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US (1) | US20210068438A1 (zh) |
EP (1) | EP3723506B1 (zh) |
CN (1) | CN111479473A (zh) |
BR (1) | BR112020011518A2 (zh) |
DK (1) | DK3723506T3 (zh) |
FI (1) | FI3723506T3 (zh) |
WO (1) | WO2019115669A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114929022A (zh) * | 2019-12-09 | 2022-08-19 | 诺维信公司 | 烘焙添加剂 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2254872A1 (en) * | 1996-05-13 | 1997-11-20 | Genencor International, Inc. | Enzyme granulate for use in food technology |
FR2918844A1 (fr) * | 2007-07-20 | 2009-01-23 | Adisseo France Sas Soc Par Act | Composition thermoresistante pour animaux comprenant un melange enzymatique |
US20090317515A1 (en) * | 2006-03-10 | 2009-12-24 | Basf Se | Solid enzyme formulations and process for their preparation |
US20100310720A1 (en) * | 2009-06-05 | 2010-12-09 | Allied Blending & Ingredients | Bakery Enzyme Composition and Method of Making |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL202955B1 (pl) | 1997-06-04 | 2009-08-31 | Basf Se | Sposób wytwarzania granulatu zawierającego fosfatazę odpowiedniego do zastosowania w paszy dla zwierząt, granulat, sposób wytwarzania paszy dla zwierząt lub przedmieszki lub prekursora paszy dla zwierząt, kompozycja, sposób pobudzania wzrostu zwierząt i zastosowanie granulatu |
US20150147365A1 (en) * | 2012-05-31 | 2015-05-28 | Dsm Ip Assets B.V. | Oral preparation |
PL3244744T3 (pl) * | 2015-01-13 | 2020-11-02 | Mauri Technology B.V. | Materiał do odpylania ziarnistych preparatów enzymatycznych |
-
2018
- 2018-12-13 BR BR112020011518-5A patent/BR112020011518A2/pt active Search and Examination
- 2018-12-13 US US16/772,668 patent/US20210068438A1/en not_active Abandoned
- 2018-12-13 WO PCT/EP2018/084680 patent/WO2019115669A1/en unknown
- 2018-12-13 CN CN201880080714.4A patent/CN111479473A/zh active Pending
- 2018-12-13 DK DK18815212.8T patent/DK3723506T3/da active
- 2018-12-13 FI FIEP18815212.8T patent/FI3723506T3/fi active
- 2018-12-13 EP EP18815212.8A patent/EP3723506B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2254872A1 (en) * | 1996-05-13 | 1997-11-20 | Genencor International, Inc. | Enzyme granulate for use in food technology |
US20090317515A1 (en) * | 2006-03-10 | 2009-12-24 | Basf Se | Solid enzyme formulations and process for their preparation |
FR2918844A1 (fr) * | 2007-07-20 | 2009-01-23 | Adisseo France Sas Soc Par Act | Composition thermoresistante pour animaux comprenant un melange enzymatique |
US20100310720A1 (en) * | 2009-06-05 | 2010-12-09 | Allied Blending & Ingredients | Bakery Enzyme Composition and Method of Making |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114929022A (zh) * | 2019-12-09 | 2022-08-19 | 诺维信公司 | 烘焙添加剂 |
Also Published As
Publication number | Publication date |
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US20210068438A1 (en) | 2021-03-11 |
EP3723506B1 (en) | 2024-04-03 |
EP3723506A1 (en) | 2020-10-21 |
DK3723506T3 (da) | 2024-06-24 |
WO2019115669A1 (en) | 2019-06-20 |
FI3723506T3 (fi) | 2024-07-03 |
BR112020011518A2 (pt) | 2020-11-17 |
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