Monoglycerides are widely used in flour-based products, but the roles of their dispersibility and acyl chain length remain unclear. This study investigated the effects of monoglycerides with different chain lengths (C12, C16, C18) dispersed in deionized water (DW) or 95 % ethanol (EE) on fresh noodle quality. Ethanol (2 mL per 200 g flour) had no significant effect on noodle properties, but monoglycerides in EE significantly altered gluten structure through covalent and non-covalent interactions, forming a denser gluten network, as observed by CLSM. Starch-lipid complex formation was confirmed by FT-IR, Raman, and XRD, enhancing cooking and immersion performance. Monoglycerides in EE were more effective than in DW, with impact orders: DW (C12 > C16 ≈ C18) and EE (C12 < C16 < C18), indicating solvent selection was more critical than chain length. This study refined the application method of monoglycerides, enhancing their functional performance and contributing to elevated noodle performance.
In the present study, corn starch was modified to create temperature-responsive particles, which were employed as an emulsifier to formulate Pickering emulsions (PE) for the encapsulation of compound essential oils (CEO). The temperature responsiveness of CEOPE endows PE with the characteristics of faster release rate at lower temperature and more stability at room temperature, aligning with the typical low-temperature storage conditions of fresh noodles. The characteristics of CEOPE with different oil-water ratios were analyzed by morphology, particle size, PDI, zeta-potential, FTIR and rheological measurements. The CEOPE exhibited antibacterial activity against E. coli and S. aureus , making it an ideal candidate for non-contact antibacterial packaging. The antibacterial effect was further confirmed in the storage experiment of fresh noodles. The results have significant implications for the development of a temperature-responsive, bacteriostatic packaging material derived from natural components, offering a novel approach to the preservation of fresh noodles.
Large-leaf yellow tea is attracting increasing attention because of its health effects, and its emerging development in food processing. Because of the special baking flavor of the tea, the preparing fresh noodles with ultra-finely ground large-leaf yellow tea powder (LYTP) is conducive to the development of nutrition-enhanced noodle products with special flavors. In this study, the quality characteristics and sensory flavor of fresh tea noodles (TNs) prepared under optimal conditions were tested. The results showed that compared with those of the control group (CK) without added tea, the hardness, elasticity, and tensile properties of TNs were significantly enhanced ( P < 0.05), but the cooking loss was slightly higher. The sensory score for the overall acceptability of cooked TNs reached 7.0 ± 0.29. The results of gas chromatography-ion mobility spectrometry (GC-IMS) and sensory evaluation showed that TNs effectively retained the unique aroma (rice-crust aroma) components of tea powder. This provides a theoretical basis for preparing fresh TNs with a high quality and high-tea powder ratio, and also a data reference for the development of deep processing products of large-leaf yellow tea.
危险品化学品经营许可证（带存储）