<br>分析用于块茎皮加工的马铃薯体细胞杂交种中的有益植物化学物质：酚酸和花青素成分,Food Science & Nutrition

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分析用于块茎皮加工的马铃薯体细胞杂交种中的有益植物化学物质：酚酸和花青素成分
Food Science & Nutrition ( IF 3.5 ) Pub Date : 2021-01-11 , DOI: 10.1002/fsn3.2100
Khawla Ben Jeddou ₁ , Mariem Kammoun ₁ , Jarkko Hellström ₂ , Liz Gutiérrez-Quequezana ₃ , Veli-Matti Rokka ₂ , Radhia Gargouri-Bouzid ₁ , Semia Ellouze-Chaabouni ₁ , Oumèma Nouri-Ellouz _{1,

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Affiliation

本研究的目的是从促进健康的酚类化合物（酚酸和花青素）方面表征从两个双单倍体马铃薯品系（Cardinal H14 和 Nicola H1）获得的 CN1 体细胞杂交种的果皮。 CN1 杂交种的块茎表皮呈粉红色，与突尼斯最常见的马铃薯品种浅黄色表皮的“Spunta”不同。来自 CN1 杂交种和 cv. 的烘干果皮样品。将 Spunta 研磨，并用水或甲醇提取酚类化合物以进行定量。冻干果皮用于酚酸和花青素分析。与水提取物相比，甲醇提取物中回收的酚类化合物总量更高。 CN1 杂种的冻干果皮提取物中的酚酸浓度（100 mg/100 g DW）略高于 cv.1 中的酚酸浓度。 Spunta 相应的样品（83 mg/100 g DW）。 CN1 杂种和 cv. 中绿原酸异构体的谱几乎相同。斯彭塔。从两种基因型中均鉴定出咖啡酸 (CA) 和三种咖啡酰奎宁酸 (CQA)：3-CQA、4-CQA 和 5-CQA，其中 5-CQA 是两种马铃薯中的主要形式。由于 CN1 杂交种具有粉红色的皮肤颜色，因此还测定了其花青素谱。 CN1 果皮中的花青素含量为 5.07 mg/100 g DW，涉及提取物中鉴定出的六种不同的花青素，即天竺葵素-3-芸香苷-5-葡萄糖苷、芍药苷-3-芸香苷-5-葡萄糖苷、香豆酰酯天竺葵素-3-芸香苷-5-葡萄糖苷、芍药素-3-芸香苷-5-葡萄糖苷香豆酰酯、天竺葵素-3-芸香苷-5-葡萄糖苷阿魏酰酯、芍药素-3-芸香苷-5-葡萄糖苷阿魏酰酯。这些结果表明 CN1 体细胞杂种的果皮废物可以被认为是食品工业高价值化合物的有前途的来源。

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Profiling beneficial phytochemicals in a potato somatic hybrid for tuber peels processing: phenolic acids and anthocyanins composition

The purpose of this study was to characterize the peels of a CN1 somatic hybrid obtained from two dihaploid potato lines (Cardinal H14 and Nicola H1) in terms of the health‐promoting phenolic compounds (phenolic acids and anthocyanins). The CN1 hybrid is defined by a pink tuber skin color making it different from the light‐yellow‐skinned “Spunta,” which is the most commonly grown potato cultivar in Tunisia. Oven‐dried peel samples derived from CN1 hybrid and cv. Spunta were ground, and phenolic compounds were extracted with water or methanol for quantification. Lyophilized peels were used for the phenolic acid and anthocyanin analyses. Higher total quantities of phenolic compounds were recovered in methanol extracts compared with water extracts. A slightly higher concentration of phenolic acids (100 mg/100 g DW) was obtained in the lyophilized peels extract of CN1 hybrid than in the cv. Spunta corresponding sample (83 mg/100 g DW). The profiles of the chlorogenic acid isomers were almost identical in both of CN1 hybrid and cv. Spunta. Caffeic acid (CA) and three caffeoylquinic acids (CQAs): 3‐CQA, 4‐CQA, and 5‐CQA, were identified from both genotypes, 5‐CQA being the dominant form in both potatoes. Since the CN1 hybrid has a pink skin color, its anthocyanin profile was also determined. The anthocyanin quantity in the CN1 peels was 5.07 mg/100 g DW, involving six different anthocyanins that were identified within the extract, namely, Pelargonidin‐3‐rutinoside‐5‐glucoside, peonidin‐3‐rutinoside‐5‐glucoside, coumaroyl ester of pelargonidin‐3‐rutinoside‐5‐glucoside, coumaroyl ester of peonidin‐3‐rutinoside‐5‐glucoside, feruloyl ester of pelargonidin‐3‐rutinoside‐5‐glucoside, and feruloyl ester of peonidin‐3‐rutinoside‐5‐glucoside. These results suggest that the peel waste of CN1 somatic hybrid can be considered as a promising source of high‐value compounds for food industry.

更新日期：2021-03-15

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