化工儀器網(wǎng)
資料下載
上海騰拔質(zhì)構(gòu)儀用于測定番茄的硬度
閱讀：922 發(fā)布時間：2024-7-1| 提 供 商 | 上海騰拔儀器科技有限公司 | 資料大小 | 2.1MB |
|---|---|---|---|
| 資料圖片 | 下載次數(shù) | 2次 | |
| 資料類型 | PDF 文件 | 瀏覽次數(shù) | 922次 |
| 免費下載 | 點擊下載 |
In this study, a new composite with combination of chitosan oligosaccharide (COS) and zinc oxide nanoparticles (ZnO NPs), termed Chitosan Oligosaccharide-Zinc Oxide Nanocomposites (COS-ZnO NC), was designed to enhance the quality of tomato fruits during postharvest storage. SEM analysis showed a uniform distribution of COS-ZnO NC films on tomato surfaces, indicating high biocompatibility, while the FTIR spectrum confirmed the interaction of COS and ZnO NPs via hydrogen bonds. The COS-ZnO NC exerts positive effects on post-harvest quality of tomato fruits, including significantly reduced water loss, fewer skin wrinkles, increased sugar-acid ratio, and enhanced vitamin C and carotenoids accumulation. Furthermore, COS-ZnO NC induces transcription of carotenoid biosynthesis genes and promotes carotenoids storage in the chromoplast. These results suggest that the COS-ZnO NC film can significantly improve the quality traits of tomato fruits, and therefore is potential in post-harvest storage of tomato fruits.