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抗菌肽复合有机络合物在瑶山雪梨保鲜中的应用
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作者 王诗媛 骆鹰 +4 位作者 罗小芳 郭虹均 彭雅芳 陈玲 王新颖 《山东化工》 CAS 2024年第19期36-39,46,共5页
为了探究抗菌肽复合物对瑶山雪梨(Pyrus bretschneideri Rehd cv.Yaoshanxueli)的保鲜效果,将抗菌肽(HX-12C)、单宁酸(TA)、氯化铁(FeCl_(3))进行复合并喷涂于采后新鲜瑶山雪梨果实表面,分别从失重率、可滴定酸、维生素C、还原糖、感官... 为了探究抗菌肽复合物对瑶山雪梨(Pyrus bretschneideri Rehd cv.Yaoshanxueli)的保鲜效果,将抗菌肽(HX-12C)、单宁酸(TA)、氯化铁(FeCl_(3))进行复合并喷涂于采后新鲜瑶山雪梨果实表面,分别从失重率、可滴定酸、维生素C、还原糖、感官评价等五个方面进行统计分析。结果表明,抗菌肽复合有机络合物的最优配方为:HX-12C(32μg/mL)、TA(5 mmol/L)、FeCl_(3)(5 mmol/L);与对照组和TA+Fe(Ⅲ)组相比较,试验组TA+Fe(Ⅲ)+H复合喷涂纳米涂层在瑶山雪梨常温贮藏12 d以后,能够更好地维持雪梨风味,其效果在失重率、可滴定酸、维生素C、还原糖、感官评价均得到体现。因此,抗菌肽复合有机络合物TA+Fe(Ⅲ)+H的处理对有效延长瑶山雪梨货架期具有很大的潜力。 展开更多
关键词 瑶山雪梨 抗菌肽hx-12c 单宁酸 氯化铁 水果保鲜
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Evaluation of the antimicrobial activities and mechanisms of synthetic antimicrobial peptide against food-borne pathogens 被引量:1
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作者 Xiaofang Luo Yannan Song +5 位作者 Zhenmin Cao Zuodong Qin Wubliker Dessie Nongyue He Zongcheng Wang Yimin Tan 《Food Bioscience》 SCIE 2022年第5期502-511,共10页
Food-borne pathogens are an important challenge for the food industry.In this study,the possibility of using the previously designed and synthesized antimicrobial peptide HX-12C as a new food antimicrobial was evaluat... Food-borne pathogens are an important challenge for the food industry.In this study,the possibility of using the previously designed and synthesized antimicrobial peptide HX-12C as a new food antimicrobial was evaluated.Bacteriostatic and bactericidal tests showed that HX-12C has strong,rapid and broad-spectrum antimicrobial activity against Gram-positive and Gram-negative bacteria.Outer-and inner-membrane permeabilization assays revealed that HX-12C killed food-borne pathogens by inducing membrane permeability.Further Scanning Electron Microscope(SEM)and Transmission Electron Microscope(TEM)also showed that HX-12C can distinctively act on the bacterial membrane leading to the leakage of cellular contents.Moreover,HX-12C also showed anti-biofilm ability in bacterial killing tests.In the food storage test,HX-12C exhibited significant antimicrobial function in raw pork and orange juice.Therefore,HX-12C has shown great potential as a new antimicrobial agent in food storage. 展开更多
关键词 Antimicrobial peptide hx-12c Food-borne pathogens Anti-biofilm
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