Metabolomic analyses provides insight into the fruit nutritional and sensory attributes among 'Guanxi' pummelo and its bud mutants

The biochemical compositions in pummelo (Citrus maxima) fruits are key determining factors for the formation of nutrients and flavor. In this study, sensory (soluble solids, acidity and volatiles) and nutritional (vitamin C, carotenoids, phenols, flavonoids and antioxidant activity) profiles of frui...

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Main Authors: Xinxin Zhang, Zhijun Fu, Lingchao Kong, Jinyu Zhou, Tengfei Pan, Yuan Yu
Format: Article
Language:English
Published: Maximum Academic Press 2023-01-01
Series:Fruit Research
Subjects:
Online Access:https://www.maxapress.com/article/doi/10.48130/FruRes-2023-0006
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author Xinxin Zhang
Zhijun Fu
Lingchao Kong
Jinyu Zhou
Tengfei Pan
Yuan Yu
author_facet Xinxin Zhang
Zhijun Fu
Lingchao Kong
Jinyu Zhou
Tengfei Pan
Yuan Yu
author_sort Xinxin Zhang
collection DOAJ
description The biochemical compositions in pummelo (Citrus maxima) fruits are key determining factors for the formation of nutrients and flavor. In this study, sensory (soluble solids, acidity and volatiles) and nutritional (vitamin C, carotenoids, phenols, flavonoids and antioxidant activity) profiles of fruit samples from 'Guanxi' pummelo and its four bud mutants were investigated. 'Guanxi' and 'Hongzuan', two pale-fleshed pummelo cultivars, contained relatively lower levels of carotenoids, vitamin C, phenols and total antioxidant activity compared to the other pummelos with red or yellow flesh. A total of 92 and 167 volatile compounds were detected in the pulp and flavedo of pummelo fruits, respectively. The majority of the different pulp volatiles were ketones, terpenes, alcohols and aldehydes, and were highly accumulated in 'Guanxihuang' pummelo (yellow-fleshed). The contents of volatiles in flavedo (285.85−955.88) were much larger than those in pulp (6.05−26.85) samples. Limonene was the most abundant volatile in flavedo, ranging from 133.28 in 'Hongzuan' to 480.36 in 'Guanxi'. The candidate genes TPS1 and LOX2.1 were associated with the amounts of terpenes and aldehydes in pummelo fruits. 'Sanhong' and 'Guanxihuang' fruits were preferred by tasters for their strong aroma, rich sweet and moderately sour taste, and high nutritional constituents. These results may provide insight into understanding the flavor metabolism pathways in pummelo fruits and facilitate further genetic improvement of pummelo fruit quality.
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spelling doaj.art-4da7eb7ddaba464e89821ab524d2a12e2024-02-28T03:19:43ZengMaximum Academic PressFruit Research2769-46152023-01-013111210.48130/FruRes-2023-0006FruRes-2023-0006Metabolomic analyses provides insight into the fruit nutritional and sensory attributes among 'Guanxi' pummelo and its bud mutantsXinxin Zhang0Zhijun Fu1Lingchao Kong2Jinyu Zhou3Tengfei Pan4Yuan Yu5FAFU-UCR Joint Center for Horticultural Plant Biology and Metabolomics, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, ChinaFAFU-UCR Joint Center for Horticultural Plant Biology and Metabolomics, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, ChinaCollege of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, ChinaCollege of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, ChinaCollege of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, ChinaFAFU-UCR Joint Center for Horticultural Plant Biology and Metabolomics, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, ChinaThe biochemical compositions in pummelo (Citrus maxima) fruits are key determining factors for the formation of nutrients and flavor. In this study, sensory (soluble solids, acidity and volatiles) and nutritional (vitamin C, carotenoids, phenols, flavonoids and antioxidant activity) profiles of fruit samples from 'Guanxi' pummelo and its four bud mutants were investigated. 'Guanxi' and 'Hongzuan', two pale-fleshed pummelo cultivars, contained relatively lower levels of carotenoids, vitamin C, phenols and total antioxidant activity compared to the other pummelos with red or yellow flesh. A total of 92 and 167 volatile compounds were detected in the pulp and flavedo of pummelo fruits, respectively. The majority of the different pulp volatiles were ketones, terpenes, alcohols and aldehydes, and were highly accumulated in 'Guanxihuang' pummelo (yellow-fleshed). The contents of volatiles in flavedo (285.85−955.88) were much larger than those in pulp (6.05−26.85) samples. Limonene was the most abundant volatile in flavedo, ranging from 133.28 in 'Hongzuan' to 480.36 in 'Guanxi'. The candidate genes TPS1 and LOX2.1 were associated with the amounts of terpenes and aldehydes in pummelo fruits. 'Sanhong' and 'Guanxihuang' fruits were preferred by tasters for their strong aroma, rich sweet and moderately sour taste, and high nutritional constituents. These results may provide insight into understanding the flavor metabolism pathways in pummelo fruits and facilitate further genetic improvement of pummelo fruit quality.https://www.maxapress.com/article/doi/10.48130/FruRes-2023-0006citrus maximafruit qualitynutritional qualityflavoraromacitrus breeding
spellingShingle Xinxin Zhang
Zhijun Fu
Lingchao Kong
Jinyu Zhou
Tengfei Pan
Yuan Yu
Metabolomic analyses provides insight into the fruit nutritional and sensory attributes among 'Guanxi' pummelo and its bud mutants
Fruit Research
citrus maxima
fruit quality
nutritional quality
flavor
aroma
citrus breeding
title Metabolomic analyses provides insight into the fruit nutritional and sensory attributes among 'Guanxi' pummelo and its bud mutants
title_full Metabolomic analyses provides insight into the fruit nutritional and sensory attributes among 'Guanxi' pummelo and its bud mutants
title_fullStr Metabolomic analyses provides insight into the fruit nutritional and sensory attributes among 'Guanxi' pummelo and its bud mutants
title_full_unstemmed Metabolomic analyses provides insight into the fruit nutritional and sensory attributes among 'Guanxi' pummelo and its bud mutants
title_short Metabolomic analyses provides insight into the fruit nutritional and sensory attributes among 'Guanxi' pummelo and its bud mutants
title_sort metabolomic analyses provides insight into the fruit nutritional and sensory attributes among guanxi pummelo and its bud mutants
topic citrus maxima
fruit quality
nutritional quality
flavor
aroma
citrus breeding
url https://www.maxapress.com/article/doi/10.48130/FruRes-2023-0006
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