捕获的Farfantepenaeus notialis的化学计量估计,Pérez-Farfante,1967(甲壳纲:Penaeidae)。

IF 1.3 Q4 FOOD SCIENCE & TECHNOLOGY Acta scientiarum polonorum. Technologia alimentaria Pub Date : 2021-07-01 DOI:10.17306/J.AFS.0947
Rasheed Olatunji Moruf, Mosunmola Florence Akinwunmi, Aderonke Omolara Lawal-Are
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引用次数: 0

摘要

背景:化学计量学可用于分析各种食品的认证、质量控制、区分和营养质量的测定。由于缺乏与尼日利亚海岸捕获的对虾内在物理化学特性有关的研究,本研究的目的是估计拉各斯泻湖Farfantepenaeus notialis的能量供应营养物质、矿物元素和功能特性。方法:采用AOAC法测定其近似组成,并将提供能量的营养成分乘以阿特沃特因子。样品在HNO3/HCl中消化进行矿物测定,并通过光学测量估计其功能性质。结果:果肉中水分、粗蛋白质、粗脂肪和碳水化合物含量较高,外骨骼样品中粗纤维和总灰分含量较高。肉的总代谢能(1524 kJ 100 g-1)和蛋白质可利用能(36.49 kJ)较高。Ca、Mg、K、P、Na等矿物均集中于外骨骼。在这两个样品中,Na/K和Na/Mg比值分别在1.4-3.4和2-6的可接受的理想范围内。所有的MSI值(计算)都低于它们的比较标准指数值,在外骨骼和肉样品中都有正的对比。外骨骼样品的功能性能较好,但肉样品的膨胀强度较高。结论:除了肉质好外,野黄芪还含有相当数量的提供能量的营养物质。由于其纤维含量极低,因此可能是理想的儿童断奶食品。
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Chemometric estimation of captured Farfantepenaeus notialis, Pérez-Farfante 1967 (Crustacea: Penaeidae).

Background: Chemometrics can be used to analyze a wide range of food products for authentication, quality control, differentiation and the determination of nutrition quality. Owing to the scarcity of studies relating to the intrinsic physico-chemical characteristics of penaeid shrimps caught on the Nigerian coast, the aim of this research was to estimate the energy-supplying nutrients, mineral elements and functional characteristics of Farfantepenaeus notialis from the Lagos Lagoon.

Methods: The proximate composition was determined using the AOAC method while the energy-providing nutrients were multiplied by the Atwater factors. The samples were digested in HNO3/HCl for mineral determination and the functional properties were estimated using optical measurements.

Results: Higher concentrations of moisture, crude protein, crude fat, and carbohydrate were recorded in the flesh while crude fibre and total ash were higher in the exoskeleton samples. The flesh had higher total metabolisable energy (1524 kJ 100 g-1) and utilizable energy due to protein (36.49 kJ). All the investigated minerals (Ca, Mg, K, P and Na) were more concentrated in the exoskeleton. In both samples, Na/K and Na/Mg ratios were within acceptable ideal ranges of 1.4-3.4 and 2-6, respectively. All values of the MSI (calculated) were lower than their comparative standard index values, having positive contrasts in both exoskeleton and flesh samples. The exoskeleton sample had better functional properties, but the flesh sample was higher in swelling strength.

Conclusions: In addition to good flesh quality, F. notialis contains considerable amounts of energy-providing nutrients. As the content of fibre is very low, F. notialis may be ideal as a weaning food for children.

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