蜂花粉可溶性膳食纤维酶法提取工艺优化及其理化分析
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(湖南中医药大学药学院,湖南 长沙 410208)

作者简介:

郑慧,女,湖南中医药大学讲师,硕士。

通讯作者:

陈希平(1964-),女,湖南中医药大学副教授,博士。E-mail: 1716425066@qq.com

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湖南省科技厅科技计划项目(编号:2014SK3015);湖南中医药大学青年教师科研基金(编号:99820001-131)


Enzymatic extraction of bee pollen soluble dietary fiber and its physicochemical analysis
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(College of Pharmacy, Hunan University of Traditional Chinese Medicine, Changsha, Hunan 410208, China)

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    摘要:

    采用纤维素酶法提取蜂花粉可溶性膳食纤维,分析其理化特性,并与酸提、碱提产品进行对比。结果表明,酶法提取蜂花粉可溶性膳食纤维最优工艺条件为:酶解温度50 ℃,酶解时间2 h,酶用量2.5%,pH 4。在该条件下,可溶性膳食纤维得率为4.11%,产品呈乳白色、粉体,荷花蜂花粉特有气味浓郁,膨胀力2.03 mL/g、持水力1.01 g/g、水溶性91.26%,含有甘露糖、鼠李糖、葡萄糖醛酸、半乳糖醛酸、葡萄糖、半乳糖、阿拉伯糖7种单糖组分,具有多糖特征吸收峰。与碱提、酸提工艺相比, 酶提产品具有较好水溶性和感官品质,更易于应用在饮料类食品的开发中。

    Abstract:

    Bee pollen soluble dietary fiber was extracted by enzymatic extraction, and the physicochemical properties was analyzed, while, the products were compared with the bee pollen soluble dietary fiber by acid extraction and alkali extraction. The optimal enzymatic extraction conditions were determined as follows: extraction temperature 50 ℃, extraction time 2 h, enzyme 2.5%, pH 4. Under the conditions, the yield of bee pollen soluble dietary fiber was 4.11%. The product is milk-white powder, and has good smell. The swelling capacity, water holding capacity and the water-solubility of the fiber were 2.03 mL/g, 1.01 g/g, 91.26%, respectively. The bee pollen soluble dietary fiber was composed of 7 kinds of monosaccharide, such as mannose, rhamnose, glucuronic acid, galacturonic acid, glucose, galactose and arabinose, and has the absorption peak of polysaccharides. Compared with alkali extraction and acid extraction, The bee pollen soluble dietary fiber has better water solubility and sensory quality, and is easier to apply enzymatic extraction to the beverage products development.

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引用本文

郑慧,陈希平,尤祯丹,等.蜂花粉可溶性膳食纤维酶法提取工艺优化及其理化分析[J].食品与机械,2016,32(12):184-188.
ZHENGHui, CHENXiping, YOUZhendan, et al. Enzymatic extraction of bee pollen soluble dietary fiber and its physicochemical analysis[J]. Food & Machinery,2016,32(12):184-188.

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  • 在线发布日期: 2023-03-09
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