柑桔皮和辣木叶提取物用于鱼类保鲜的可食用抗菌涂层

M. Firdaus, Desy Nila Rahmana, Diah Fitri Carolina, N. Firdausi, Zulfaa Afiifah, Berlian Ayu Rismawati Sugiarto
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引用次数: 0

摘要

由于分解,大约10%的鱼类总产量被浪费。在鱼类保存过程中过量使用福尔马林可能具有潜在的致命性。其中一种天然防腐剂是可食用涂层,它可以由含有抗菌化合物的天然成分制成,如橘子皮(Citrus reticulata)果胶和辣木叶(Moringa oleifera)。本研究考察了添加辣木叶提取物的柑桔皮果胶可食性涂料的抑菌效果,并确定其对尼罗罗非鱼(Oreochromis niloticus)鲜度的影响。辣木叶提取采用索氏提取法,96%乙醇,60-80℃;柑桔皮提取采用1%盐酸回流,pH = 1.5, 90℃,回流4小时。以桔皮果胶和羧甲基纤维素(CMC)为原料,加入甘油作为增塑剂,经蒸馏水均质,合成了食用涂料。用不同浓度的0%、50%和100%辣木叶提取物制备可食用涂层。添加可食用涂层的尼罗罗非鱼的腐烂速度较慢,特别是在100%辣木叶提取物的变化中。通过总平板计数(TPC)测试的定量检验证明了这一点,仍然没有超过bbb5.6 log CFU/g的限值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Antibacterial Edible Coating from Mandarin Orange Peel (Citrus reticulata) and Moringa Leaf (Moringa oleifera) Extract for Fish Preservation
Approximately 10% of total fish production is wasted due to decomposition. Excessive formalin use in fish preservation can be potentially lethal. One of the natural preservatives is edible coating, which can be prepared from natural ingredients such as mandarin orange peel (Citrus reticulata) pectin and Moringa leaves (Moringa oleifera) which contain antibacterial compounds. The purpose of this research was to examine the antibacterial influence of edible coatings made from pectin of mandarin orange peel with the addition of Moringa leaf extract and to determine its effect on the freshness of nile tilapia (Oreochromis niloticus). Moringa leaf extraction was performed using the Soxhlet extraction method with 96% ethanol at 60–80 °C, while the mandarin orange peel was isolated by reflux using 1% HCl with a pH of 1.5 for 4 hours at 90 °C. Edible coating was synthesized from mandarin orange peel pectin and carboxymethyl cellulose (CMC) which was homogenized with distilled water, and glycerol was added as a plasticizer. Edible coatings were prepared with various concentrations of 0%, 50%, and 100% Moringa leaf extract. Nile tilapia with the addition of edible coatings experienced slower decay, especially in the variations of 100% Moringa leaf extract. This was evidenced by the quantitative test through the Total Plate Count (TPC) test which still did not exceed the limit of >5.6 log CFU/g.
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