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Non-Traditional Muesli Mixtures Supplemented by Edible Flowers: Analysis of Nutritional Composition, Phenolic acids, Flavonoids and Anthocyanins
Plant Foods for Human Nutrition ( IF 4 ) Pub Date : 2021-08-30 , DOI: 10.1007/s11130-021-00918-3
Martina Mrázková 1 , Daniela Sumczynski 1 , Jana Orsavová 2
Affiliation  

In this study, the effect of using medicinal plants on nutrition composition and biologically active substances in cereal mixtures were investigated. In order to develop new type of non-traditional muesli mixtures supplemented with edible flowers, eight muesli mixtures were prepared applying the mixing ratio of 60‒70% of non-traditional flakes and 30‒40% of lyophilized fruits and edible flowers. This study examines nutritional composition, digestibility, fibres and phenolics of nutraceutical muesli mixtures using enzymatic–gravimetric and chromatographic methods. It shows that the mixture of kamut, einkorn, red and black quinoa or rice flakes together with hibiscus, mallow, rose, fruits has increased the fibre content (11.9‒21.2%) and in vitro digestibility (87.8‒93.8%). The greatest concentrations of individual phenolic contents were determined in free and soluble bound fractions of the mixtures. Cyanidin-3-glucoside (up to 116 mg/kg) and delphinidin-3-glucoside (up to 76.9 mg/kg) were established as major anthocyanins. Considering the individual phenolic fractions, sinapic and protocatechuic acids were the most abundant phenolic acids and quercetin and epigallocatechin represented the most frequent flavonoids. These results indicate that non-traditional muesli with edible flowers containing a high amount of nutrients and bioactive substances have the potential to enhance a nutritionally balanced diet.



中文翻译:

食用花卉补充的非传统 Muesli 混合物:营养成分分析、酚酸、黄酮类化合物和花青素

在这项研究中,研究了使用药用植物对谷物混合物中营养成分和生物活性物质的影响。为开发新型非传统麦片混合物,辅以食用花卉,采用60-70%的非传统薄片和30-40%的冻干水果和食用花卉的混合比例制备了8种麦片混合物。本研究使用酶促重量法和色谱法检测了营养食品麦片混合物的营养成分、消化率、纤维和酚类物质。结果表明,卡姆木、单粒小麦、红黑藜麦或米片与芙蓉、锦葵、玫瑰、水果的混合物增加了纤维含量(11.9-21.2%)和体外消化率(87.8-93.8%)。在混合物的游离和可溶结合部分中测定了单个酚类物质的最大浓度。Cyanidin-3-glucoside(高达 116 mg/kg)和 delphinidin-3-glucoside(高达 76.9 mg/kg)被确定为主要的花青素。考虑到单个酚类成分,芥子酸和原儿茶酸是最丰富的酚酸,槲皮素和表没食子儿茶素是最常见的类黄酮。这些结果表明,含有大量营养素和生物活性物质的可食用花卉的非传统麦片有可能增强营养均衡的饮食。

更新日期:2021-08-30
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