| 王 娟1，莫纯东1，蔡国豪2，蔡国富2，李远志3.半干龙眼的涂膜保鲜配方研究[J].广东农业科学,2015,42(21):111-116 |
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半干龙眼的涂膜保鲜配方研究 |
| Coating preservation formula for semi-dried longan |
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| DOI： |
| 中文关键词: 龙眼 中等湿度 保鲜 涂膜 配方 |
| 英文关键词: longan mid-humidity preservation coating formula |
| 基金项目:国家星火计划项目（2014GA780005）；
广东省产学研企业科技特派员工作站建设项目
（ 2 0 1 2 B 0 9 0 9 0 0 0 0 6 ）；惠州市产学研结合项目
（2013B050013012）；惠东县科技计划项目（2013C07） |
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| 摘要点击次数: 1422 |
| 全文下载次数: 482 |
| 中文摘要: |
| 以龙眼核、壳提取物、苯甲酸钠、山梨酸钾和壳聚糖为原料制备涂膜液，应用于中等湿度的龙眼
干，通过单因素及正交试验，以半干龙眼的菌落总数为指标，优化涂膜液配方。结果表明：涂膜保鲜液中苯甲
酸钠浓度对半干龙眼保鲜效果的影响最大，而龙眼核、壳提取物、山梨酸钾和壳聚糖浓度对保鲜效果没有显著
影响。综合考虑保鲜效果与成本，涂膜液的最佳配方为：龙眼核、壳提取物的可溶性固形物含量26 Brix，苯甲
酸钠浓度0.16%，山梨酸钾浓度1%，壳聚糖浓度1%。 |
| 英文摘要: |
| The coating formula was constituted by extracts of longan stones and pericarp，sodium benzoate，
potassium sorbate and chitosan. This coating was applied in the semi-dried longan. Single factor and orthogonal
experiments were used to optimize the coating formula. Results showed that the quality of semi-dried longan was mostly
affected by sodium benzoate while the other three ingredients had no significant influence. Combined the preservation
effects and costs，the coating formula was determined as follows：extracts of longan stones and pericarp at 26 Brix，with
sodium benzoate concentration at 0.16%，potassium sorbate concentration at 1% and chitosan concentration at 1%. |
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