WO2022116979A1 - 一种制备木糖与蔗糖的复配甜味剂颗粒的方法 - Google Patents

一种制备木糖与蔗糖的复配甜味剂颗粒的方法 Download PDF

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WO2022116979A1
WO2022116979A1 PCT/CN2021/134590 CN2021134590W WO2022116979A1 WO 2022116979 A1 WO2022116979 A1 WO 2022116979A1 CN 2021134590 W CN2021134590 W CN 2021134590W WO 2022116979 A1 WO2022116979 A1 WO 2022116979A1
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sucrose
xylose
sugar
crystals
powdered sugar
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PCT/CN2021/134590
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English (en)
French (fr)
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汪秀秀
吴爱娟
程新平
毛宝兴
秦淑芳
杨芹
魏子尧
林翠
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浙江华康药业股份有限公司
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Publication of WO2022116979A1 publication Critical patent/WO2022116979A1/zh

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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30—Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P10/00—Shaping or working of foodstuffs characterised by the products
    • A23P10/20—Agglomerating; Granulating; Tabletting
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs

Definitions

  • the invention belongs to the technical field of sugar alcohol preparation, in particular to a method for preparing compound sweetener particles of xylose and sucrose.
  • Sucrose is one of the indispensable carbohydrates in people's daily life, and the sweetness of sucrose gives people a pleasant feeling. But eating too much will cause excess energy and cause obesity.
  • adding functional ingredients to sucrose to make sweeteners with special effects has received more and more attention, such as products that combine sucrose with arabinose, xylose and other functional sugars.
  • the currently reported complex sugars containing L-arabinose or xylose are usually produced by using sucrose as raw material, adding L-arabinose or xylose and then simply mixing them physically. Compared with sucrose, it is much finer, and directly mixing xylose or arabinose with sucrose is difficult to mix evenly due to the different particle sizes. At the same time, the proportion of arabinose or xylose in the current complex sugar is small.
  • the Chinese patent with application number CN201510013074.3 discloses a method for compounding sucrose with arabinose.
  • the arabinose and sucrose are uniformly mixed together by spraying, and are dried during the spraying process, which solves the problem of common mixing.
  • the method produces the disadvantage of uneven mixing, as well as changes in the appearance and mouthfeel of the sucrose.
  • the sucrose granules need to be blown to be fluidized by means of ventilation, which consumes a lot of energy.
  • the proportion of arabinose in the final product is at most 10%, which is not suitable for products with higher proportions.
  • the Chinese patent with application number CN201810361451.6 discloses a compound sweetener and a preparation method thereof.
  • the chemical composition of the compound sweetener includes sucrose, L-arabinose, and xylose.
  • L-arabinose syrup and washed crystalline sugar are mixed and dried to prepare.
  • the particle size obtained by this method is moderate, this method is only suitable for compounding with a small proportion of arabinose or xylose.
  • the technical problem to be solved by the present invention is to provide a method for preparing compound sweetener particles of xylose and sucrose, so that the xylose and sucrose are mixed evenly and the mixing ratio of xylose and sucrose is increased.
  • the present invention is achieved by providing a method for preparing compound sweetener granules of xylose and sucrose, wherein the compound sweetener granules include sucrose and xylose, and in the compound sweetener granules,
  • the mass ratio of sucrose and xylose is 40-60:40-60
  • the particle size of the compound sweetener particles is 10-30 mesh
  • the proportion is ⁇ 70%
  • the compound sweetener of xylose and sucrose is prepared.
  • the method of particle includes the following steps:
  • the first step crushing the sucrose crystals and the xylose crystals into powders respectively, and mixing the obtained sucrose powder and the xylose powder evenly to obtain a mixed powdered sugar, wherein the particle sizes of the sucrose powder and the xylose powdered sugar are under 100 meshes. account for more than 70%;
  • the second step dissolve the sucrose crystals or the mixed crystals of the sucrose crystals and the xylose crystals to prepare a sugar solution, the mass concentration of the sugar solution is 40-60%, and the viscosity is 3.5-40 mPa ⁇ s;
  • the third step spray the atomized sugar liquid as a binder into the mixed powdered sugar in the boiling state through a peristaltic pump for granulation to obtain compound sweetener granules.
  • the method for preparing the compound sweetener granules of xylose and sucrose of the present invention has the following characteristics:
  • the compound sweetener granules include sucrose and xylose, and in the compound sweetener granules, sucrose and xylose are The mass ratio of sugar is 40-60: 40-60, and the particle size of the compound sweetener particles is 10-30 mesh and accounts for ⁇ 70%.
  • the method for preparing the compound sweetener granules of xylose and sucrose comprises the following steps:
  • the first step crushing the sucrose crystals and the xylose crystals into powders respectively, and mixing the obtained sucrose powder and the xylose powder evenly to obtain a mixed powdered sugar, wherein the particle sizes of the sucrose powder and the xylose powdered sugar are under 100 meshes. account for more than 70%;
  • the second step dissolve the sucrose crystals or the mixed crystals of the sucrose crystals and the xylose crystals to prepare a sugar solution, the mass concentration of the sugar solution is 40-60%, and the viscosity is 3.5-40 mPa ⁇ s;
  • the third step spray the atomized sugar liquid as a binder into the mixed powdered sugar in the boiling state through a peristaltic pump to granulate to obtain compound sweetener particles, and the rotating speed of the peristaltic pump is 8 to 16 r/ min, the atomization pressure is 2-3 bar.
  • Step 11 crushing the sucrose crystals and the xylose crystals into powders to obtain the sucrose powdered sugar and the xylose powdered sugar, respectively, wherein the sucrose powdered sugar and the xylose powdered sugar account for 75% of the particle size under 100 mesh, and are ready for use.
  • Step 12 Take 500 g of sucrose crystals to prepare a sugar solution with a concentration of 40%, the temperature is 25° C., the viscosity is 5.0 mPa ⁇ s, and it is ready for use.
  • Step 13 Mix 1000g sucrose powdered sugar and 1000g xylose powdered sugar in a mixer for 10min, then put it in a batching device for preheating, and make it in a fluidized state at the same time, wherein the inlet air temperature is 75°C, and the air inlet volume is 100m 3 /h.
  • Step 14 When the temperature of the material reaches 50°C, start to spray the sugar solution prepared in step 12 for granulation, the peristaltic pump speed is 14r/min, and the atomization pressure is 2.8bar.
  • Step 15 After the sugar liquid is sprayed, dry for 30 minutes, then cool down and cool to 30° C. for discharging, pass through a 10-80 mesh sieve, and obtain compound sweetener granules.
  • Example 1 Five samples were randomly taken from the compound sweetener granules prepared in Example 1, and the detected xylose contents were all between 39.5% and 40.5%.
  • Step 21 crushing the sucrose crystals and the xylose crystals into powders to obtain sucrose powdered sugar and xylose powdered sugar, respectively, wherein the sucrose powdered and xylose powdered sugars account for 83% of the particle size under 100 mesh, and are ready for use.
  • Step 22 Take 500 g of sucrose crystals to prepare a sugar solution with a concentration of 50%, the temperature is 25° C., the viscosity is 12.2 mPa ⁇ s, and it is ready for use.
  • Step 23 Take 1000g sucrose powdered sugar and 1500g xylose powdered sugar and mix in a mixer for 10min, then put it in a batching device for preheating, and at the same time make it in a fluidized state, wherein the inlet air temperature is 75°C, and the inlet air volume is 100m 3 /h.
  • Step 24 When the temperature of the material reaches 50°C, start to spray the sugar solution prepared in step 22 for granulation.
  • the peristaltic pump rotates at 16 r/min and the atomization pressure is 3.0 bar.
  • Step 25 After the sugar liquid is sprayed, dry for 30 minutes, then cool down and cool to 30° C. for discharging, and pass through a 10-80 mesh sieve to obtain compound sweetener granules.
  • Example 2 Five samples were randomly taken from the compound sweetener granules prepared in Example 2, and the detected xylose contents were all between 49.5% and 50.5%.
  • Step 31 crushing the sucrose crystals and the xylose crystals into powders to obtain the sucrose powdered sugar and the xylose powdered sugar, respectively, wherein the sucrose powdered sugar and the xylose powdered sugar have a particle size of 77% under 100 mesh and are ready for use.
  • Step 32 Mix 300 g of sucrose crystals and 200 g of xylose to prepare a sugar solution with a concentration of 40%, the temperature is 25°C, and the viscosity is 4.5 mPa ⁇ s, and is ready for use.
  • Step 33 Mix 1200g sucrose powdered sugar and 800g xylose powdered sugar in a mixer for 10 minutes, then put it in a batching device for preheating, and make it in a fluidized state at the same time, wherein the inlet air temperature is 75°C, and the inlet air volume is 100m 3 /h.
  • Step 34 When the temperature of the material reaches 50°C, start to spray the sugar solution prepared in step 32 for granulation.
  • the peristaltic pump rotates at 12 r/min and the atomization pressure is 2.6 bar.
  • Step 35 After the sugar liquid is sprayed, dry for 30 minutes, then cool down and cool to 30° C. for discharging, pass through a 10-80 mesh sieve, and obtain compound sweetener granules.
  • Example 3 Five samples were randomly taken from the compound sweetener granules prepared in Example 3, and the detected xylose contents were all between 39.5% and 40.5%.
  • Step 41 crushing the sucrose crystals and the xylose crystals into powders to obtain sucrose powdered sugar and xylose powdered sugar, respectively, wherein the particle size of the sucrose powdered and xylose powdered sugars accounts for 85% under 100 mesh and is ready for use.
  • Step 42 Mix 200 g of sucrose crystals and 300 g of xylose to prepare a sugar solution with a concentration of 60%, the temperature is 25°C, the viscosity is 40 mPa ⁇ s, and it is ready for use.
  • Step 43 Mix 800g sucrose powdered sugar and 1200g xylose powdered sugar in a mixer for 10min, then put it in a batching device for preheating, and at the same time make it in a fluidized state, wherein the inlet air temperature is 75°C, and the inlet air volume is 100m 3 /h.
  • Step 44 when the temperature of the material reaches 50°C, start to spray the sugar solution prepared in step 42 for granulation, the peristaltic pump rotational speed is 16r/min, and the atomization pressure is 3bar.
  • Step 45 After the sugar solution is sprayed, dry for 30 minutes, then cool down and cool to 30° C. to discharge, pass through a 10-80 mesh sieve, and obtain compound sweetener granules.
  • sucrose crystal and xylose crystal are broken into powder to obtain sucrose powdered sugar and xylose powdered sugar respectively, wherein the particle size of sucrose powdered sugar and xylose powdered sugar accounts for 70% under 100 meshes, and is set aside for use.
  • Step 52 take 500 g of sucrose crystals to prepare a sugar solution with a concentration of 40%, the temperature is 25° C., the viscosity is 3.5 mPa ⁇ s, and it is ready for use.
  • Step 53 Mix 500g sucrose powdered sugar and 1500g xylose powdered sugar in a mixer for 10min, and then put it in a batching device for preheating, while making it in a fluidized state, wherein the inlet air temperature is 75°C, and the inlet air volume is 100m 3 /h.
  • Step 54 When the temperature of the material reaches 50°C, start to spray the sugar solution prepared in step 52 for granulation.
  • the peristaltic pump rotates at 14 r/min and the atomization pressure is 2 bar.
  • Step 55 After the sugar solution is sprayed, dry for 30 minutes, then cool down and cool to 30° C. to discharge, pass through a 10-80 mesh sieve, and obtain compound sweetener granules.
  • sucrose crystals and the xylose crystals are not crushed, and 1500 g of sucrose crystals and 1000 g of xylose crystals are directly mixed. It can be seen that after mixing, the two crystals are not uniformly mixed, and the sucrose crystals and xylose crystals can be distinguished by appearance after mixing. Poor mixing.
  • sucrose crystals and the xylose crystals are not crushed, 1350g of the xylose crystals are dissolved and prepared into a sugar solution, and the xylose sugar solution is atomized and mixed with the 1650g of sucrose crystals fluidized in the compounding equipment.
  • the proportion is large, the mixing effect with large sucrose crystals is poor, and the spraying time is too long, which affects the efficiency.
  • This method cannot obtain suitable compound sweetener particles of xylose and sucrose.
  • This comparative example includes the following steps:
  • Step 61 crushing the sucrose crystals and the xylose crystals into powders to obtain sucrose powdered sugar and xylose powdered sugar, respectively, wherein the sucrose powdered and xylose powdered sugars account for 75% of the particle size under 100 mesh, and are ready for use.
  • Step 62 take 500 g of sucrose crystals to prepare a sugar solution with a concentration of less than 40%, the temperature is 25° C., the viscosity is less than 2.0 mPa ⁇ s, and it is ready for use.
  • Step 63 Mix 1000g sucrose powdered sugar and 1000g xylose powdered sugar in a mixer for 10 minutes, and then put it in a batching device for preheating, while making it in a fluidized state, wherein the inlet air temperature is 75°C, and the inlet air volume is 100m 3 /h.
  • Step 64 when the temperature of the material reaches 50°C, start to spray the sugar liquid prepared in step 62 for granulation. Due to the low concentration of the sucrose liquid, the parameters such as the rotational speed of the peristaltic pump and the atomization pressure were adjusted, and the prepared compound sweetener particles had small particle size, and the proportion of particle size 10-30 mesh was less than 50%.

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Abstract

一种制备木糖与蔗糖的复配甜味剂颗粒的方法，所述复配甜味剂颗粒包括蔗糖和木糖，蔗糖与木糖的质量比为40～60：40～60，复配甜味剂颗粒的粒径10～30目的占比≥70％，该方法包括以下步骤：分别将蔗糖晶体和木糖晶体破碎成粉末，将得到的蔗糖糖粉和木糖糖粉混合均匀后得到混合糖粉，其中，蔗糖糖粉和木糖糖粉的粒径100目下占比70％以上；将蔗糖晶体或蔗糖晶体与木糖晶体的混合晶体溶解配制成糖液，糖液的质量浓度为40～60％，粘度3.5～40mPa•s；通过蠕动泵将雾化的糖液作为粘合剂喷雾到沸腾状态的混合糖粉中进行造粒，即得到复配甜味剂颗粒。所述方法使得木糖与蔗糖混合均匀，提高木糖与蔗糖的混合比例。

Description

一种制备木糖与蔗糖的复配甜味剂颗粒的方法 技术领域
本发明属于糖醇制备技术领域，特别涉及一种制备木糖与蔗糖的复配甜味剂颗粒的方法。
背景技术
蔗糖是人们日常生活中不可缺少的碳水化合物之一，蔗糖的甜味给人以愉悦的感觉。但过多食用会造成能量过剩，引起肥胖。近些年来，在蔗糖里添加功能性成分制作出具有特殊作用的甜味剂受到了越来越多的关注，如将蔗糖与阿拉伯糖、木糖等功能糖复配的产品。目前报道的含L-阿拉伯糖或木糖的复合型糖通常是采用蔗糖为原料，添加L-阿拉伯糖或木糖后经过简单物理混合的方式生产而成，由于阿拉伯糖、木糖等颗粒粒度相比蔗糖要细很多，直接将木糖或阿拉伯糖与蔗糖进行混合，由于颗粒度不同，很难混合均匀。同时目前的复合型糖中阿拉伯糖或木糖的占比少。
申请号CN201510013074.3的中国专利公开了一种阿拉伯糖复配蔗糖的方法，通过喷雾的方式将阿拉伯糖和蔗糖均匀地混合在一起，同时在喷雾的过程中进行烘干，解决了普通的混合方法产生的混合不均匀，以及蔗糖的外观和口感改变的缺点。但是该方法中需要采用通风的方式吹起蔗糖颗粒使其处于流态化，耗能大，同时最后产品中阿拉伯糖的占比最多10％，不适用于更高比例配方的产品。申请号CN201810361451.6的中国专利公开了一种复配甜味剂及其制备方法，复配甜味剂的化学组成包括蔗糖、L-阿拉伯糖、木糖，通过将甘蔗甜菜加工处理后提取的L-阿拉伯糖糖浆和洗涤结晶糖进行混合干燥制备得到。该方法虽然得到的颗粒大小适中，但该方法只适用于阿拉伯糖或木糖占比较小的复配。
发明内容
本发明所要解决的技术问题在于，提供一种制备木糖与蔗糖的复配甜味剂颗粒的方法，使得木糖与蔗糖混合均匀，提高木糖与蔗糖的混合比例。
本发明是这样实现的，提供一种制备木糖与蔗糖的复配甜味剂颗粒的方法，所述复配甜味剂颗粒包括蔗糖和木糖，在所述复配甜味剂颗粒中，蔗糖与木糖的质量比为40～60：40～60，所述复配甜味剂颗粒的粒径10～30目的占比≥70％，所述制备木糖与蔗糖的复配甜味剂颗粒的方法包括以下步骤：
第一步：分别将蔗糖晶体和木糖晶体破碎成粉末，将得到的蔗糖糖粉和木糖糖粉混合均匀后得到混合糖粉，其中，蔗糖糖粉和木糖糖粉的粒径100目下占比70％以上；
第二步：将蔗糖晶体或蔗糖晶体与木糖晶体的混合晶体溶解配制成糖液，糖液的质量浓度为40～60％，粘度3.5～40mPa·s；
第三步：通过蠕动泵将雾化的糖液作为粘合剂喷雾到沸腾状态的混合糖粉中进行造粒，即得到复配甜味剂颗粒。
与现有技术相比，本发明的制备木糖与蔗糖的复配甜味剂颗粒的方法具有以下特点：
1、解决了由于木糖粒径小，普通的混合方法产生的混合不均匀问题；通过本发明的方法得到了大小均匀的复配甜味剂颗粒，颗粒粒径10～30目占比≥70％，流动性好；
2、解决了在与蔗糖复配过程中木糖或阿拉伯糖添加比例不高的问题，目前市场上复配的阿拉伯糖或木糖的添加比例不超过10％，通过将质量浓度为40～60％的蔗糖或蔗糖与木糖的混合糖液雾化，喷到混合糖粉上，调控蠕动泵转速及雾化压力等参数，得到木糖占比高于39％的颗粒大小均匀的复配甜味剂颗粒。
具体实施方式
为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明制备木糖与蔗糖的复配甜味剂颗粒的方法的较佳实施例，所述复配甜味剂颗粒包括蔗糖和木糖，在所述复配甜味剂颗粒中，蔗糖与木糖的质量比为40～60：40～60，所述复配甜味剂颗粒的粒径10～30目的占比≥70％。
所述制备木糖与蔗糖的复配甜味剂颗粒的方法包括以下步骤：
第一步：分别将蔗糖晶体和木糖晶体破碎成粉末，将得到的蔗糖糖粉和木糖糖粉混合均匀后得到混合糖粉，其中，蔗糖糖粉和木糖糖粉的粒径100目下占比70％以上；
第二步：将蔗糖晶体或蔗糖晶体与木糖晶体的混合晶体溶解配制成糖液，糖液的质量浓度为40～60％，粘度3.5～40mPa·s；
第三步：通过蠕动泵将雾化的糖液作为粘合剂喷雾到沸腾状态的混合糖粉中进行造粒，即得到复配甜味剂颗粒，所述蠕动泵的转速为8～16r/min，雾化压力为2～3bar。
下面通过具体实施例来进一步说明本发明的制备木糖与蔗糖的复配甜味剂颗粒的方法。
实施例1
本发明的第一种制备木糖与蔗糖的复配甜味剂颗粒的方法的实施例，包括以下步骤：
步骤11、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比75％，待用。
步骤12、取500g蔗糖晶体配成40％浓度的糖液，温度25℃，其粘度为5.0mPa·s，待用。
步骤13、取1000g蔗糖糖粉和1000g木糖糖粉于混合器中混合10min，然后放于配料器 中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h。
步骤14、当物料温度达到50℃时，开始喷入步骤12制备的糖液进行造粒，蠕动泵转速为14r/min，雾化压力为2.8bar。
步骤15、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
本实施例制备的木糖与蔗糖的复配甜味剂颗粒的粒度分布如下表1所示。
表1、实施例1制备的复配甜味剂颗粒的粒度分布
10～30目 30～60目 60～80目
70％ 25％ 5％
从实施例1制备的复配甜味剂颗粒中随机取五份样品，检测出木糖含量均在39.5～40.5％之间。
实施例2
本发明的第二种制备木糖与蔗糖的复配甜味剂颗粒的方法的实施例，包括以下步骤：
步骤21、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比83％，待用。
步骤22、取500g蔗糖晶体配成50％浓度的糖液，温度25℃，其粘度为12.2mPa·s，待用。
步骤23、取1000g蔗糖糖粉和1500g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h。
步骤24、当物料温度达到50℃时，开始喷入步骤22制备的糖液进行造粒，蠕动泵转速为16r/min，雾化压力为3.0bar。
步骤25、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
本实施例制备的木糖与蔗糖的复配甜味剂颗粒的粒度分布如下表2所示。
表2、实施例2制备的复配甜味剂颗粒的粒度分布
10～30目 30～60目 60～80目
75％ 22％ 3％
从实施例2制备的复配甜味剂颗粒中随机取五份样品，检测出木糖含量均在49.5～50.5％之间。
实施例3
本发明的第三种制备木糖与蔗糖的复配甜味剂颗粒的方法的实施例，包括以下步骤：
步骤31、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比77％，待用。
步骤32、取300g蔗糖晶体和200g木糖混合配成40％浓度的糖液，温度25℃，其粘度为4.5mPa·s，待用。
步骤33、取1200g蔗糖糖粉和800g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h。
步骤34、当物料温度达到50℃时，开始喷入步骤32制备的糖液进行造粒，蠕动泵转速为12r/min，雾化压力为2.6bar。
步骤35、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
实施例制备的木糖与蔗糖的复配甜味剂颗粒的粒度分布如下表3所示。
表3、实施例3制备的复配甜味剂颗粒的粒度分布
10～30目 30～60目 60～80目
71％ 25％ 4％
从实施例3制备的复配甜味剂颗粒中随机取五份样品，检测出木糖含量均在39.5～40.5％之间。
实施例4
本发明的第四种制备木糖与蔗糖的复配甜味剂颗粒的方法的实施例，包括以下步骤：
步骤41、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比85％，待用。
步骤42、取200g蔗糖晶体和300g木糖混合配成60％浓度的糖液，温度25℃，其粘度为40mPa·s，待用。
步骤43、取800g蔗糖糖粉和1200g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h。
步骤44、当物料温度达到50℃时，开始喷入步骤42制备的糖液进行造粒，蠕动泵转速为16r/min，雾化压力为3bar。
步骤45、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
实施例5
本发明的第五种制备木糖与蔗糖的复配甜味剂颗粒的方法的实施例，包括以下步骤：
步骤51、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖 粉和木糖糖粉的颗粒粒径100目下占比70％，待用。
步骤52、取500g蔗糖晶体配成40％浓度的糖液，温度25℃，其粘度为3.5mPa·s，待用。
步骤53、取500g蔗糖糖粉和1500g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h。
步骤54、当物料温度达到50℃时，开始喷入步骤52制备的糖液进行造粒，蠕动泵转速为14r/min，雾化压力为2bar。
步骤55、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
对比例1
蔗糖晶体与木糖晶体不粉碎，将1500g蔗糖晶体与1000g木糖晶体直接混合。可以看到混合后，两种晶体混合不均匀，且混合后蔗糖晶体与木糖晶体通过外观可区分。混合效果差。
对比例2
蔗糖晶体与木糖晶体不粉碎，将1350g木糖晶体溶解配制成糖液，将木糖糖液雾化与处于复配设备中流化的1650g蔗糖晶体混合，由于木糖糖液粘度低，木糖占比大，与大颗粒蔗糖晶体的混合效果差，且喷液时间过长，影响效率。该方法不能得到适宜的木糖与蔗糖的复配甜味剂颗粒。
对比例3
该对比例包括如下步骤：
步骤61、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比75％，待用。
步骤62、取500g蔗糖晶体配成浓度小于40％的糖液，温度25℃，其粘度小于2.0mPa·s，待用。
步骤63、取1000g蔗糖糖粉和1000g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h。
步骤64、当物料温度达到50℃时，开始喷入步骤62制备的糖液进行造粒。由于蔗糖糖液浓度低，调整蠕动泵转速、雾化压力等参数，制备得到的复配甜味剂颗粒粒度小，粒径10～30目占比均低于50％。
从该对比例可以看出，只有符合本发明的制备条件才能制备出木糖占比高于39％的颗粒大小均匀的复配甜味剂颗粒。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原 则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (7)

  1. 一种制备木糖与蔗糖的复配甜味剂颗粒的方法，其特征在于，所述复配甜味剂颗粒包括蔗糖和木糖，在所述复配甜味剂颗粒中，蔗糖与木糖的质量比为40～60：40～60，所述复配甜味剂颗粒的粒径10～30目的占比≥70％，所述制备木糖与蔗糖的复配甜味剂颗粒的方法包括以下步骤：
    第一步：分别将蔗糖晶体和木糖晶体破碎成粉末，将得到的蔗糖糖粉和木糖糖粉混合均匀后得到混合糖粉，其中，蔗糖糖粉和木糖糖粉的粒径100目下占比70％以上；
    第二步：将蔗糖晶体或蔗糖晶体与木糖晶体的混合晶体溶解配制成糖液，糖液的质量浓度为40～60％，粘度3.5～40mPa·s；
    第三步：通过蠕动泵将雾化的糖液作为粘合剂喷雾到沸腾状态的混合糖粉中进行造粒，即得到复配甜味剂颗粒。
  2. 如权利要求1所述的制备木糖与蔗糖的复配甜味剂颗粒的方法，其特征在于，所述蠕动泵的转速为8～16r/min，雾化压力为2～3bar。
  3. 如权利要求1或2所述的制备木糖与蔗糖的复配甜味剂颗粒的方法，其特征在于，包括以下步骤：
    步骤11、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比75％，待用；
    步骤12、取500g蔗糖晶体配成40％浓度的糖液，温度25℃，其粘度为5.0mPa·s，待用；
    步骤13、取1000g蔗糖糖粉和1000g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h；
    步骤14、当物料温度达到50℃时，开始喷入步骤12制备的糖液进行造粒，蠕动泵转速为14r/min，雾化压力为2.8bar；
    步骤15、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
  4. 如权利要求1或2所述的制备木糖与蔗糖的复配甜味剂颗粒的方法，其特征在于，包括以下步骤：
    步骤21、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比83％，待用；
    步骤22、取500g蔗糖晶体配成50％浓度的糖液，温度25℃，其粘度为12.2mPa·s，待用；
    步骤23、取1000g蔗糖糖粉和1500g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h；
    步骤24、当物料温度达到50℃时，开始喷入步骤22制备的糖液进行造粒，蠕动泵转速为16r/min，雾化压力为3.0bar；
    步骤25、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
  5. 如权利要求1或2所述的制备木糖与蔗糖的复配甜味剂颗粒的方法，其特征在于，包括以下步骤：
    步骤31、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比77％，待用；
    步骤32、取300g蔗糖晶体和200g木糖混合配成40％浓度的糖液，温度25℃，其粘度为4.5mPa·s，待用；
    步骤33、取1200g蔗糖糖粉和800g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h；
    步骤34、当物料温度达到50℃时，开始喷入步骤32制备的糖液进行造粒，蠕动泵转速为12r/min，雾化压力为2.6bar；
    步骤35、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
  6. 如权利要求1或2所述的制备木糖与蔗糖的复配甜味剂颗粒的方法，其特征在于，包括以下步骤：
    步骤41、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖粉和木糖糖粉的颗粒粒径100目下占比85％，待用；
    步骤42、取200g蔗糖晶体和300g木糖混合配成60％浓度的糖液，温度25℃，其粘度为40mPa·s，待用；
    步骤43、取800g蔗糖糖粉和1200g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h；
    步骤44、当物料温度达到50℃时，开始喷入步骤42制备的糖液进行造粒，蠕动泵转速为16r/min，雾化压力为3bar；
    步骤45、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
  7. 如权利要求1或2所述的制备木糖与蔗糖的复配甜味剂颗粒的方法，其特征在于，包括以下步骤：
    步骤51、将蔗糖晶体和木糖晶体破碎成粉末分别得到蔗糖糖粉和木糖糖粉，其中蔗糖糖 粉和木糖糖粉的颗粒粒径100目下占比70％，待用；
    步骤52、取500g蔗糖晶体配成40％浓度的糖液，温度25℃，其粘度为3.5mPa·s，待用；
    步骤53、取500g蔗糖糖粉和1500g木糖糖粉于混合器中混合10min，然后放于配料器中进行预热，同时使其处于流化状态，其中进风温度75℃，进风量为100m 3/h；
    步骤54、当物料温度达到50℃时，开始喷入步骤52制备的糖液进行造粒，蠕动泵转速为14r/min，雾化压力为2bar；
    步骤55、糖液喷完后，干燥30min，然后降温冷却至30℃出料，过10～80目筛，即得到复配甜味剂颗粒。
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