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Zubair Hussain,Xin Li,Muawuz Ijaz,Xiong Xiao,Chengli Hou,Xiaochun Zheng,Chi Ren,Dequan Zhang 한국축산식품학회 2020 한국축산식품학회지 Vol.40 No.3
This study was undertaken to evaluate the impact of Chinese cinnamon powder (w/w), at the levels of 0.5%, 1.5%, and 2.5% and control (without additive) on ground lamb meat quality. The samples were stored at 4℃ and examined for pH, color, lipid oxidation (thiobarbituric acid reactive substances) and total viable counts (TVC). The results demonstrated that pH values were declined with the increase of Chinese cinnamon levels compared to control group. The L* values throughout the storage were significantly higher (p<0.05) in the control group than in other treatment groups, while a* values were decreased with the increase of Chinese cinnamon levels. The addition of Chinese cinnamon powder strongly inhibited (p<0.05) thiobarbituric acid reactive substances (TBARS) and TVC in all treated samples. It can be concluded that Chinese cinnamon powder in lower concentration 0.5% has the ability to maintain the quality of ground lamb in comparison with other treated samples.
Jaspal, Muhammad Hayat,Ijaz, Muawuz,Akhtar, Muhammad Junaid,Nasir, Jamal,Ullah, Sana,Badar, Iftikhar Hussain,Yar, Muhammad Kashif,Ahmad, Arfan Korean Society for Food Science of Animal Resource 2021 한국축산식품학회지 Vol.41 No.1
Buffalo animals are slaughtered at their early age and carcasses are chilled rapidly which deteriorates its meat quality and decreases the consumer likeliness of buffalo meat. This study investigated the appropriate methods to prevent the quality deterioration of buffalo meat during chilling. Twenty four 18-mon-old buffalo bulls were slaughtered, electrically stimulated and suspended either by hip or achilles tendon. After 24 h postmortem, meat quality characteristics were recorded. Results showed that electrical stimulation (ES) led to rapid decline of carcass pH compared to non-ES method (p<0.05). Furthermore, electrically stimulated meat presented lower shear force accompanied with the higher CIE L⁎, a⁎, and b⁎ values (p<0.05). Suspension methods only affect the meat shear values and were lowered in hip suspended samples. It can be concluded that ES combined with hip suspension can be adopted to prevent the meat quality deterioration of young buffalo bulls during postmortem storage.
Yejun Zhang,Xin Li,Dequan Zhang,Chi Ren,Yuqiang Bai,Muawuz Ijaz,Xu Wang,Yingxin Zhao 한국축산식품학회 2021 한국축산식품학회지 Vol.41 No.4
The objective of this study was to examine the relationship between meat quality attributes and the changes of sarcoplasmic protein acetylation and myofibrillar protein acetylation in lamb longissimus thoracis et lumborum muscles at different postmortem phases. Protein acetylation, color, pH, shear force, myofibril fragmentation index and cooking loss were measured. The total level of acetylated sarcoplasmic proteins showed a negative relation with pH, a positive relation with a*, b* and cooking loss at the pre-rigor phase. Sarcoplasmic proteins acetylation affected postmortem pH by regulating glycolysis, which in turn affects color and cooking loss. The total level of acetylated myofibrillar proteins showed a positive relation with shear force at the pre-rigor phase. Myofibrillar proteins acetylation affected meat tenderness by regulating muscle contraction. This study indicated that acetylation played a regulatory role of meat color, water-holding capacity, and tenderization process at early postmortem.