60Co-γ辐照对茶花蜂花粉的杀菌效果及品质影响
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(1.湖南省核农学与航天育种研究所,湖南 长沙 410125;2. 广东省食品药品监督管理局审评认证中心,广东 广州 510080)

作者简介:

罗志平(1978—),男,湖南省核农学与航天育种研究所助理研究员。E-mail: zpluo0801@163.com

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湖南省科技厅农业支撑计划(编号:2013NK3063)


Effects of irradiation on sterilization and quality of bee pollen of camellia
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(1. Institute of Nuclear Agricultural Science & Space Mutation Breeding, Changsha, Hunan 410125, China; 2. Guangdong Food and Drug Administration Center for Evaluation and Certification, Guangzhou, Guangdong 510062, China)

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    摘要:

    研究60Co-γ射线辐照对茶花蜂花粉的杀菌效果及其对蜂花粉的主要理化性质的影响。结果表明:辐照处理茶花蜂花粉的杀菌效果明显,辐照剂量为6 kGy时其杀菌率达99%以上,10 kGy时,蜂花粉的各项微生物指标均符合GB/T 18526.2—2001《花粉辐照杀菌工艺》标准要求。辐照前后的花粉样品中均未检出金黄色葡萄球菌和沙门氏菌两种致病菌。辐照处理对茶花蜂花粉中总糖、蛋白质、脂肪、氨基酸、水分、灰分以及酸度均无明显影响;但VC的含量显著降低。辐照前后的花粉样品中均未检出六六六和DDT农药残留。10 kGy以下剂量辐照对茶花蜂花粉的色泽、状态、气味、滋味无明显影响。茶花蜂花粉辐照杀菌的工艺剂量建议控制在4~10 kGy。

    Abstract:

    The effects of 60Co-γ irradiation on sterilization and main physical and chemical qualities of bee pollen of camellia were studied. The results showed that irradiation had obvious sterilizing effects on bee pollen of camellia, for example, the sterilizing rate reached more than 99% at the irradiation dose of 6 kGy, at 10 kGy, all the microorganism indicators of irradiation treated bee pollen of camellia met the standards which published in national code of good irradiation practice for the control of microorganism in pollen. The staphylococcus aureus and salmonella were not been found in the normal and irradiation treated samples. Moreover, Under the irradiation dose in the range of 0~10 kGy had no effects on the content of total sugar, protein, lipids, amino acids, moisture, ash and acidity in the bee pollen of camellia, while the content of vitamin C decreased significantly after the irradiation treating. The residue of pesticide, such as HCH and DDT, had not been found in the normal and irradiation treated samples. Irradiation under 10 kGy wouldn’t affect the color, state, odour and flavour significantly of the bee pollen of camellia. It was concluded that the optimal irradiation processing dose for bee pollen of camellia was in the range of 4~10 kGy.

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罗志平,孟兰贞,徐远芳,等.60Co-γ辐照对茶花蜂花粉的杀菌效果及品质影响[J].食品与机械,2015,31(3):150-153.
LUOZhiping, MENGLanzhen, XUYuanfang, et al. Effects of irradiation on sterilization and quality of bee pollen of camellia[J]. Food & Machinery,2015,31(3):150-153.

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  • 收稿日期:2015-01-22
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  • 在线发布日期: 2023-03-17
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