Effects of Deoxidizing Desiccant and Packaging Method on the Storage Quality of Dried Osmanthus Flower
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摘要: 为提高丹桂干花的贮存稳定性，本研究旨在探索适宜丹桂干花贮存保质的安全、绿色的复合脱氧干燥剂并确定丹桂干花产品的有效包装方式。本研究以丹桂干花的色度饱和值（Cab值）、菌落总数等为指标，结合肉眼观察，探讨复合脱氧干燥剂与聚乙烯塑料材质、不透明镀铝膜等不同包装方式对丹桂干花贮藏品质的影响。实验表明，采用单层不透明镀铝膜袋包装，并辅以理想的复合脱氧干燥剂（纤维干燥剂：葡萄糖氧化酶质量比 = 10:1），丹桂干花在干燥、室温下贮存12个月，丹桂干花可以保持色泽金黄，其Cab值为98.20 ± 0.14，菌落总数3.16 × 103 CFU/g，其外观色泽与微生物指标仍维持在较理想水平。因此采用纤维干燥剂与葡萄糖氧化酶以10:1为复合比组成的脱氧干燥剂与单层不透明镀铝膜袋包装能显著提升丹桂干花贮藏质量。Abstract: In order to improve the storage stability of dried Osmanthus fragrans flowers, this study aimed to explore a safe and green compound deoxidizer suitable for dried Osmanthus fragrans flowers storage, and determine the effective packaging method of dried Osmanthus fragrans flowers. In this study, the color saturation value (Cab value), quality change and total bacteria of dried Osmanthus flower were used as indicators to explore the effect of composite deoxidizing desiccant and packaging method such as polyethylene plastic material or opaque aluminizing film on the storage quality of dried Osmanthus flower. The results showed that the package was packed in a single layer of opaque aluminum coated bag, supplemented with an ideal composite deoxidizing desiccant (fiber desiccant: glucose oxidase = 10:1), the dried Osmanthus flower could be preserved for 12 months that under the drying condition, its color still be golden yellow, its Cab value was 98.20 ± 0.14 and the colonies number was 3.16 × 103 CFU/g, the sensory quality and hygienic index of the product would maintain at an desired level.Therefore, the deoxidation desiccant composed of fiber desiccant and glucose oxidase at a ratio of 10:1 and single-layer opaque aluminized bag packaging can significantly improve the storage quality of dried Osmanthus fragrans flowers.
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Key words:
- dried Osmanthus flower /
- packaging /
- composite deoxidizing desiccant /
- storage quality
1) +共同第一作者 -
图 1 不同干燥剂对丹桂干花的防潮效果的影响
Figure 1. Effects of different desiccants on the moisture proof for dried dried Osmanthus flower
图 2 脱氧剂对丹桂干花色度的影响
Figure 2. Effects of deoxidizers on the hue of dried Osmanthus flower
图 3 复合脱氧干燥剂对丹桂干花的防潮效果
Figure 3. Effects of composite deoxidation desiccant on the moisture proof of dried Osmanthus flower
图 4 复合脱氧干燥剂对丹桂干花色度的影响
Figure 4. Effects of composite deoxidation desiccant on the hue of dried Osmanthus flower
图 5 不同包装方式对丹桂干花色度的影响
Figure 5. Effects of different packing style on the hue of dried Osmanthus flower
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