Time-dependent changes in quality of Apiaceae spices under synergistic effects of ultraviolet radiation and hermetic storage

IF 3.8 2区 农林科学 Q1 PLANT SCIENCES
Liela M. Ali, Mohamed M. El-kholy, Reham M. Kamel
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引用次数: 0

Abstract

This study investigates the combined effects of ultraviolet radiation (UV-C) and hermetic storage on the quality of Apiaceae spices intended for consumption after long-term storage. Anise, fennel, caraway, and cumin seeds were exposed to UV radiation for 0 (control) and 25 min of UV-C. Subsequently, the seeds were packed into jute and multilayers of polyethylene hermetic bags (120, 150, and 160 μm with an antifungal coating) and stored in a naturally aerated storage room for 12 months. During the storage period, the ambient conditions ranged from 17.2 °C to 30.5 °C and from 59.3 % to 62.8 % RH. While the jute bags maintained the ambient conditions, the hermetic bags had significantly (P< 0.05) decreased temperature and relative humidity, depending on the packaging type and UV-C treatment. The seed moisture content increased significantly (P< 0.05) during storage. The increase percentage reached (20.5–24 %) in jute bags containing untreated seeds, whereas the 150 μm and antifungal bags containing UV-treated seeds had the lowest increase percentage (0.3–4.0 %). By the end of the storage period, the hermetic bags containing fennel-treated seeds had the highest significant (CO2/O2) ratio of 163.8. UV-C efficiently suppressed microorganisms and insect infestation, particularly in seeds stored in the 150 μm and antifungal bags. After 6 months of storage, the jute bags had 465–578 insects/kg. The results show that hermetic conditions maintained the phenolic content and antioxidants of Apiaceae spices, particularly with UV-treated seed. Based on the findings, pretreating Apiaceae seeds with UV-C sterilization is recommended prior to storage in hermetic bags. This approach is expected to accelerate the start of optimal hermetic conditions, thereby enhancing seed quality.

紫外线辐射和密封贮藏协同作用下繖形花科香料品质随时间的变化
本研究调查了紫外线辐射(UV-C)和密封贮藏对长期贮藏后供食用的繖形花科香料质量的综合影响。八角、茴香、胡罗卜和小茴香种子分别暴露在紫外线辐射下 0 分钟(对照组)和 25 分钟。随后,将种子装入黄麻袋和多层聚乙烯密封袋(120、150 和 160 μm,有防霉涂层)中,并在自然通风的储藏室中储存 12 个月。在储存期间,环境温度为 17.2 °C 至 30.5 °C,相对湿度为 59.3 % 至 62.8 %。黄麻袋保持了环境条件,而密封袋的温度和相对湿度则显著下降(P< 0.05),这取决于包装类型和紫外线-C 处理。在储藏过程中,种子含水量明显增加(P< 0.05)。装有未处理种子的黄麻袋的种子含水量增加百分比达到(20.5-24%),而装有紫外线处理过的种子的 150 μm 袋和抗真菌袋的种子含水量增加百分比最低(0.3-4.0%)。贮藏期结束时,装有茴香处理过的种子的密封袋的显著(CO2/O2)比率最高,达到 163.8。紫外线能有效抑制微生物和虫害,尤其是在 150 μm 和防霉袋中贮藏的种子。贮藏 6 个月后,黄麻袋中的昆虫数量为 465-578 只/公斤。结果表明,密封条件能保持芹属香料的酚含量和抗氧化剂,尤其是紫外线处理过的种子。根据研究结果,建议在用密封袋储藏芹菜种子之前对其进行紫外线-C 消毒预处理。这种方法有望加快最佳密封条件的启动,从而提高种子质量。
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来源期刊
Journal of Applied Research on Medicinal and Aromatic Plants
Journal of Applied Research on Medicinal and Aromatic Plants Pharmacology, Toxicology and Pharmaceutics-Drug Discovery
CiteScore
6.40
自引率
7.70%
发文量
80
审稿时长
41 days
期刊介绍: JARMAP is a peer reviewed and multidisciplinary communication platform, covering all aspects of the raw material supply chain of medicinal and aromatic plants. JARMAP aims to improve production of tailor made commodities by addressing the various requirements of manufacturers of herbal medicines, herbal teas, seasoning herbs, food and feed supplements and cosmetics. JARMAP covers research on genetic resources, breeding, wild-collection, domestication, propagation, cultivation, phytopathology and plant protection, mechanization, conservation, processing, quality assurance, analytics and economics. JARMAP publishes reviews, original research articles and short communications related to research.
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