| 不同保鲜剂对椰子花序汁液的保鲜效果 |
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| 引用本文： | 夏秋瑜,李瑞,陈华,陈卫军,赵松林. 不同保鲜剂对椰子花序汁液的保鲜效果[J]. 热带作物学报, 2009, 30(5): 710-713 |
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| 作者姓名： | 夏秋瑜 李瑞 陈华 陈卫军 赵松林 |
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| 作者单位： | 中国热带农业科学院椰子研究所,海南文昌,571339;中国热带农业科学院椰子研究所,海南文昌,571339;中国热带农业科学院椰子研究所,海南文昌,571339;中国热带农业科学院椰子研究所,海南文昌,571339;中国热带农业科学院椰子研究所,海南文昌,571339 |
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| 基金项目： | 国家科技支撑计划,中央级公益性科研院所基本科研业务专项基金 |
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| 摘 要： | 针对椰子花序汁液(简称椰花汁)采后品质变化显著的特点,研究了脱氢醋酸钠、二氧化硫、尼泊金丁酯和丙酸钙对椰花汁采后自然发酵过程中的保鲜效果.结果表明,0.03%的脱氢醋酸钠可强烈抑制椰花汁中产酸菌和酵母菌的活性,与其他组相比,在7 d内折光糖度、乙醇含量、总酸、挥发酸和氨基酸含量变化最小;0.01%二氧化硫可抑制总酸和挥发酸的增加,但不能抑制乙醇的升高,第4 d乙醇含量高达6.8%;0.01%尼泊金丁酯在自然发酵前3d内糖度和总酸变化不大,而3d后总酸显著上升.
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| 关 键 词： | 保鲜剂 椰子花序汁液 保鲜效果 |
Effect of Different Preservatives on Preservation of Coconut Inflorescence Saps |
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| Xia Qiuyu,Li Rui,Chen Hu,Chen Weijun and Zhao Songlin. Effect of Different Preservatives on Preservation of Coconut Inflorescence Saps[J]. Chinese Journal of Tropical Crops, 2009, 30(5): 710-713 |
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| Authors: | Xia Qiuyu Li Rui Chen Hu Chen Weijun Zhao Songlin |
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| Affiliation: | Xia Qiuyu,Li Rui,Chen Hua,Chen Weijun,Zhao Songlin Coconut Research Institute,Chinese Academy of Tropical Agricultural Sciences,Wenchang,Hainan 571339 |
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| Abstract: | Coconut inflorescence saps collected were treated with preservatives, sodium dehydroacetate, sulfur dioxide, butyl nipagin and calcium propionate, to observe their preservation effect during natural fermentation. The results showed that 0.03% sodium dehydroacetate evidently inhibited the activities of acid-forming bacteria and yeasts in the saps, and that the saps treated with preservatives had minimum change in 7 days after treatment in refractometer brix, ethanol content, total acid, volatile acid and ami... |
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| Keywords: | preservative coconut inflorescence sap preservation effect |
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