This study performed the pre-treatments of the manufacturing of the pork skin snack with wet-salting (3% and 6%; 3W and 6W) and dry-salting (0.3% and 0.6%; 0.3D and 0.6D). Regarding the manufacturing yield, the 0.3D and 6W were significantly higher than the other samples (p<0.05). The water contents of the Con and 0.6D were significantly lower than the other samples (p<0.05). The fat contents of the Con and 6W were evidently higher than the 3W, 0.3D, and 0.6D (p<0.05). The lightness of the wet-salting group was markedly higher than the Con (p<0.05). The redness and yellowness of the 0.6D were noticeably higher than the Con (p<0.05). The crispness of the 0.6D was considerably higher than the other samples (p<0.05). The appearance and sensory crispness of the 3W and 0.6D were notably lower than the other samples (p<0.05). The taste score of the 0.6D was much lower than the 6W and 0.3D (p<0.05). The overall acceptability of the Con, 6W, and 0.3D was appreciably higher than the other samples (p<0.05). Overall, this study showed that wet-salting with 6% (6W) and dry-salting with 0.3% (0.3D) can improve pork skin snack quality properties.
This study was investigated to the quality properties of yogurt added with natural additives (almond, corn, and hibiscus). The pH of all natural additives added samples was significantly lower than the control sample (p <0.05). The lightness of the corn added samples was significantly higher than the control sample (p<0.05). The redness of almond and corn samples were shown increase tendency with increasing almond and corn contents; the hibiscus samples was shown significantly higher than the almond and corn samples (p <0.05). The yellowness of the almond and hibiscus samples were shown significantly lower than the control sample (p<0.05), however, the corn samples was shown significantly higher than the control sample (p <0.05). In the sensory evaluation, overall traits of almond with 3%, corn with 9%, and hibiscus with 8% samples were shown higher score compared the control sample. These results showed that the yogurt added with almond, corn, and hibiscus was decreased pH and affected yogurt color. Considering the sensory evaluation results, we deduced appropriate added amounts when the almond, corn, and hibiscus added to the yogurt.
Lactic acid bacteria (LAB) and probiotics have mostly consumed as dairy products such as city milk, fermented drinking yogurt and stirred yogurt, and LAB and probiotics have become popular to contribute to the flavor, taste, or preservation of food. In this study the effects of various milk products on the physicochemical properties of pork loin were determined. Pork loin samples were marinated in city milk, drinking yogurt and stirred yogurt for 24 hours, and were compared with the raw pork loin (control). Proximate, pH, color, shear force, electronic nose, and sensory evaluation were investigated quality properties of pork loin. The pre- and post- cooking pH was lowest in pork loin marinated in stirred yogurt(p <0.05). The pre-cooking lightness was significantly higher in pork loin marinated in city milk(p<0.05). The redness of pork loin marinated in stirred yogurt and drinking yogurt were significantly higher(p <0.05), but the shear force of pork loin marinated in stirred yogurt was significantly lower(P<0.05). The sensory evaluation of pork loin marinated in stirred yogurt were the highest(p<0.05). These results showed that various milk product marinating could be used to improve the quality characteristics and flavor of pork loin.
This study evaluated the effects of probiotics on the quality properties of standard pork cutlet (SC) and oven cooking type pork cutlet with probiotics (OCP). Higher (p <0.0001) moisture and protein contents were observed in OCP compared to SC. Fat content of OCP was lower (p<0.0001) than SC. There was no significant difference in CIE color values between SC and OCP. The pH and lipid oxidation values of OCP were lower (p<0.0001 and p<0.01, respectively) than SC counterpart. Based on instrumental texture profile analysis, there was no significant difference in the springiness and cohesiveness between SC and OCP. However, the hardness, gumminess, and chewiness of OCP were higher (p<0.0001) than SC. Crispiness by sensory panel was higher (p<0.0001) in OCP than SC. The results showed that the oven cooking type pork cutlet added probiotics could improve potential of pork cutlet physicochemical properties and give physiological functional ability.