Chromatographic Determination of the Chemical Composition of Apple Chips Extract

IF 0.7 Q4 CHEMISTRY, ANALYTICAL

Methods and Objects of Chemical Analysis Pub Date : 2023-01-01 DOI:10.17721/moca.2023.33-41

O. Hulai, V. Shemet, O.S. Klimovych

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Abstract

The qualitative composition of the extraction of dried apples of green (Golden, Mutsu) and red (Florina, Aidared) varieties by gas-liquid chromatography with mass-selective detection has been established. The chips were obtained by convective drying at the temperature of +(63–70) °С to a final dampness of 6–8 %. Water-alcohol extract was analyzed on the Shimadzu GCMS-QP2020 gas chromatomas-spectrometer with a full ion current (SCAN), the scanning range of 40–1000 Da. The peaks were processed and identified based on the open source data (NIST 2017 and Wiley 5th Edition). In the studied samples of apple extraction, 30 characteristic components were found, among which carbohydrates predominate – mono- and disaccharides, their derivatives and products of dehydration and oxidation. The apple extract contains higher fatty acids: n-hexadecanoic acid, tetradecanoic acid, octadecanoic acid, oleic acid. Compounds formed as a result of drying (5-hydroxymethylfurfural, 3,5-dihydroxy-6-methyl-2,3-dihydro-4H-pyrane-4-one), as well as flavonoids and anthocyanins, which perform antioxidant and weak antibiotic functions in the body, were identified. Vitamins could not be determined using this method.

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苹果片提取物化学成分的色谱测定

建立了青苹果(Golden、Mutsu)和红苹果(Florina、aibold)干提取物的气液色谱质谱鉴别方法。薄片在+(63-70)°С温度下对流干燥，最终湿度为6 - 8%。水醇提取物在岛津GCMS-QP2020气相色谱仪上进行全离子电流(SCAN)分析，扫描范围为40-1000 Da。根据开源数据(NIST 2017和Wiley 5th Edition)对峰值进行处理和识别。在研究的苹果提取液样品中，发现了30种特征成分，其中以碳水化合物为主——单糖和双糖及其衍生物和脱水氧化产物。苹果提取物含有较高的脂肪酸:正十六酸、十四酸、十八酸、油酸。经干燥后形成的化合物(5-羟甲基糠醛，3,5-二羟基-6-甲基-2,3-二氢- 4h -pyrane-4-one)，以及黄酮类和花青素，在体内具有抗氧化和弱抗生素功能。维生素不能用这种方法测定。

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来源期刊

Methods and Objects of Chemical Analysis CHEMISTRY, ANALYTICAL-

CiteScore

1.00

自引率

14.30%

发文量

期刊介绍： The journal "Methods and objects of chemical analysis" is peer-review journal and publishes original articles of theoretical and experimental analysis on topical issues and bio-analytical chemistry, chemical and pharmaceutical analysis, as well as chemical metrology. Submitted works shall cover the results of completed studies and shall make scientific contributions to the relevant area of expertise. The journal publishes review articles, research articles and articles related to latest developments of analytical instrumentations.