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首页> 外文期刊>Aquaculture International >Microencapsulation of anthocyanins from roselle (Hibiscus sabdariffa) and its application on a pigment supplied diet to fantail goldfish (Carassius auratus)
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Microencapsulation of anthocyanins from roselle (Hibiscus sabdariffa) and its application on a pigment supplied diet to fantail goldfish (Carassius auratus)

机译：来自Roselle（Hibiscus Sabdariffa）的花青素微胶囊及其对百草属（Carassius auratus）的颜料提供饮食的应用

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Hibiscus sabdariffa has gained an important position in the food industry because of its high anthocyanins content, related to the persistent red calyx of its flowers as the major component. Moreover, it has been used as a food colorant and active ingredient to develop food with some health benefits. The effect of addition of microencapsulated anthocyanins from Hibiscus sabdariffa in a fish feed was evaluated using Carassius auratus as a study model. Anthocyanins were microencapsulated with maltodextrins (10 DE) and microcapsules structure was analyzed by scanning electron microscopy. Microcapsules were added to fish diet (D) at 150, 300, and 450 mg anthocyanin/kg of diet. Fantail goldfish were feeding for 8 weeks and the feed intake (FI), feed conversion ratio (FCR), growth rate (GR), specific growth rate (SGR), survival, and weight gain (WG) were evaluated. Skin chromatophores from the head, dorsal, and caudal fin of each treatment were observed by light microscopy. Microencapsulation efficiency was 90 +/- 0.2%. The microcapsules showed a spherical shape, the mean size was 4.0 mu m, and the powder showed a pink-red color. Feed intake and survival were similar to all diets (p > 0.05). D-150 and D-300 showed a significant variation in GR, SGR, and WG (p < 0.05) compared with other diets. Fish fed with D-450 showed the highest increase in color compared with control diet; however, fish size is lower than D-300. Size and color are important parameters in the marketing of Carassius, and these results suggest that microencapsulation can be used as anthocyanins carrier during fish diet manufacture being an alternative to provide natural pigments that enhance growth and pigmentation of fantail goldfish.
机译：由于其作为主要成分的鲜花的持久性红色花萼有关，因此芙蓉萨比乌加在食品行业中获得了重要地位。此外，它已被用作食品着色剂和活性成分，以产生具有一些健康益处的食物。使用Carassius Auratus作为研究模型评估来自鱼类饲料中的微胶囊化花青素的微胶囊化花青素的效果。用麦芽糖糊精（10 de）微胶囊化花青素，通过扫描电子显微镜分析微胶囊结构。将微胶囊加入到50,300和450mg花青素/ kg饮食中的鱼类饮食（D）。艾菲尔金鱼饲喂8周，进料进料（FI），饲料转化率（FCR），生长速率（GR），特异性生长速率（SGR），存活率和体重增加（WG）。通过光学显微镜观察来自头部，背部的皮肤染色体和每种处理的尾鳍。微胶囊化效率为90 +/- 0.2％。微胶囊显示出球形形状，平均尺寸为4.0μm，粉末显示粉红色。进料摄入和存活与所有饮食类似（P> 0.05）。 D-150和D-300与其他饮食相比，GR，SGR和WG（P <0.05）显示出显着的变化。与D-450喂养的鱼表明，与对照饮食相比，颜色的最高增加;但是，鱼尺寸低于D-300。尺寸和颜色是鲫鱼营销中的重要参数，这些结果表明微胶囊化可在鱼类饮食制造过程中用作花青素载体，这是提供天然颜料的替代方案，可提供增强芬明金鱼的生长和色素沉着的天然颜料。

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