Shangju Yang , Wenhui Hao , Jiaqi Yu, Mingming Wang, Ying Xu, Xun Sun
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引用次数: 0
Abstract
Non-enzymatic deterioration limits the deep processing of sea cucumber. This study discovered that pectinase-hydrolyzed tangerine peel effectively inhibits non-enzymatic deterioration in rehydrated sea cucumbers (RSC), with hydrolyzed pectin (HPec) identified as the primary active component. Further optimization revealed that the best treatment conditions were a hydrolysis time of 24 h and a neutral pH, under which RSC exhibited a more intact appearance, superior textural properties, and a denser microstructure. Additionally, HPec treatment significantly reduced the mass loss of RSC during thermal processing. The treated RSC also demonstrated higher water-holding capacity (WHC) and improved moisture retention. Thermal stability tests indicated that HPec-treated RSC had higher protein denaturation and degradation temperatures. Fourier-transform infrared spectroscopy (FTIR) analysis revealed that HPec treatment enhanced hydrogen bonding and hydrophobic interactions in RSC, along with inducing covalent cross-linking. HPec also shifted the secondary structure of RSC collagen from random coils and β-sheets to β-turns. Furthermore, simulation experiments suggested that its mechanism may involve Maillard reaction and amide-mediated protein cross-linking. This research confirms that HPec effectively suppresses non-enzymatic deterioration in RSC, providing a theoretical foundation for its development as a food-grade protein hydrogel stabilizer.
期刊介绍:
Food Hydrocolloids publishes original and innovative research focused on the characterization, functional properties, and applications of hydrocolloid materials used in food products. These hydrocolloids, defined as polysaccharides and proteins of commercial importance, are added to control aspects such as texture, stability, rheology, and sensory properties. The research's primary emphasis should be on the hydrocolloids themselves, with thorough descriptions of their source, nature, and physicochemical characteristics. Manuscripts are expected to clearly outline specific aims and objectives, include a fundamental discussion of research findings at the molecular level, and address the significance of the results. Studies on hydrocolloids in complex formulations should concentrate on their overall properties and mechanisms of action, while simple formulation development studies may not be considered for publication.
The main areas of interest are:
-Chemical and physicochemical characterisation
Thermal properties including glass transitions and conformational changes-
Rheological properties including viscosity, viscoelastic properties and gelation behaviour-
The influence on organoleptic properties-
Interfacial properties including stabilisation of dispersions, emulsions and foams-
Film forming properties with application to edible films and active packaging-
Encapsulation and controlled release of active compounds-
The influence on health including their role as dietary fibre-
Manipulation of hydrocolloid structure and functionality through chemical, biochemical and physical processes-
New hydrocolloids and hydrocolloid sources of commercial potential.
The Journal also publishes Review articles that provide an overview of the latest developments in topics of specific interest to researchers in this field of activity.