Physico-chemical properties of longan fruit during development and ripening

Shi, Shengyou; Wang, Wei; Liu, Liqin; Shu, Bo; Wei, Yongzan; Jue, Dengwei; Fu, Jiaxin; Xie, Jianhua; Liu, Chengming

doi:10.1016/j.scienta.2016.05.026

Cited by 17 publications

(8 citation statements)

References 51 publications

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“…Chuliang variety has more distinctive fruit features as vertical diameter (26.6 mm), long cross path (28.9 mm), short cross path (25.5 mm), and single fruit weight (12.44 g) but total soluble solid contents are comparable in both varieties (Table 1). These data fell within the ranges of morphophysiological indices of ripe longan fruits as established by Shi et al [44]…”

Section: Overview Of the Longan Varieties Used In This Studysupporting

confidence: 87%

“…Shixia fruits were harvested at the fruit ripening stage on July 23, 2019, while on August 15, 2019, Chuliang fruits were harvested. Ripe fruits were identified following morpho-physiological properties elaborated by Shi et al [44] All the fruits were collected from 10 years old trees, and the fruits were harvested from different parts (south, east, and west) of the trees. The size of the fruits was uniform, 10 fruits were harvested per plant (10 plants for each variety) and split into three replicates.…”

Section: Plant Materialsmentioning

confidence: 99%

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A comprehensive insight into the metabolic landscape of fruit pulp, peel, and seed in two longan (Dimocarpus longanLour.) varieties

Wang

Guo

Han

et al. 2020

International Journal of Food Properties

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Longan is an ancient and popular plant with highly nutritious fruit. The pulp is the main part of the fruit which is consumed. However, the potentials of other longan fruit parts such as the peel and the seed as reservoirs of important bioactive components have not yet fully been explored. This study aimed at exploring the diversity of primary and secondary metabolites in two commercial longan varieties, i.e., Shixia and Chuliang, concerning fruit, pulp, peel, and seed based on a widely targeted metabolomics approach. A total of 706 metabolites were identified grouped into eight diverse classes of metabolites, including flavonoids, amino acids and its derivatives, alkaloids, tannins, phenolic acids, organic acids, nucleotides and derivatives, lipids, and lignans. Chuliang peel showed a higher accumulation of metabolites viz. flavonoids, alkaloids, and tannins, while Shixia seeds showed abundance in amino acids, organic acid, nucleic acids and its derivatives. Chuliang pulp showed relatively higher accumulation of lipids when compared with other fruit parts. Differential metabolome profiling between fruit parts indicates the prevalence of key metabolites, i.e., O-Phosphocholine, betaine, piperidine, L-Arginine, and L-Phenylalanine, in seed and peel of the longan fruit. The findings in this research provide a new glance on the nutritional value and biochemical basis of longan fruit pharmaceutical value, with emphasis on valorization of longan peel and seed tissues for their pharmaceutical properties and nutritional values.

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Section: Overview Of the Longan Varieties Used In This Studysupporting

confidence: 87%

Section: Plant Materialsmentioning

confidence: 99%

A comprehensive insight into the metabolic landscape of fruit pulp, peel, and seed in two longan (Dimocarpus longanLour.) varieties

Wang

Guo

Han

et al. 2020

International Journal of Food Properties

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“…The main sugar compositions of longan are sucrose, glucose and fructose [ 12 ], among which sucrose is the most abundant one, accounting for about 60–70% of the total sugar content. High sucrose intake results in a high blood glucose level, which could lead to several metabolic syndromes, such as obesity, cardiovascular diseases and type II diabetes [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Characterization and Prebiotic Potential of Longan Juice Obtained by Enzymatic Conversion of Constituent Sucrose into Fructo-Oligosaccharides

et al. 2018

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The prebiotic potential of longan juice obtained by a commercial Viscozyme L for conversion of constituent sucrose to fructo-oligosaccharide was investigated. The physicochemical properties and carbohydrate composition of the longan juice was evaluated before and after enzymatic treatment. The stimulation effects of the treated longan juice on probiotic bacteria growth were also studied in vitro. The results showed that total soluble solids, yield and clarity of longan juice were all significantly improved after enzyme treatment. The water-soluble polysaccharide content, including pectin, was significantly increased. Compared with the natural longan pulp, the enzyme treated juice showed a significant decrease in sucrose content. Substantial fructo-oligosaccharides including 1-kestose and nystose were synthesized after enzyme treatment. The molecular weight distribution and the monosaccharide composition of the water-soluble polysaccharide were significantly changed by enzyme treatment. The treated longan juice and its ethanol-soluble sugar fraction promoted the growth of Streptococus thermophiles, Lactobacillus acidophilus and Lactobacillus delbrueckii, showing a good potential of the treated longan juice for producing functional foods and nutraceuticals.

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“…Shi [ 31 ] revealed that SPS and SS were the key enzymes in sucrose accumulation in longan fruit. HK and PK played an essential role in Glc and fructose metabolism pathway [ 32 ].…”

Section: Discussionmentioning

confidence: 99%

“…Enzyme extracts were performed as described previously [ 31 ]. Samples were harvested, ground in liquid nitrogen and homogenized in ice-cold 9 mL PBS (pH = 7.4).…”

Section: Methodsmentioning

confidence: 99%

The Involvement of Glucose in Hydrogen Gas-Medicated Adventitious Rooting in Cucumber

Zhao

Liu

et al. 2021

Plants

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Hydrogen gas (H2) and glucose (Glc) have been reported as novel antioxidants and signal molecules involved in multiple biological processes in plants. However, the physiological roles and relationships of H2 and Glc in adventitious rooting are less clear. Here, we showed that the effects of different concentrations Glc (0, 0.01, 0.05, 0.10, 0.50 and 1.00 mM) on adventitious rooting in cucumber were dose-dependent, with a maximal biological response at 0.10 mM. While, the positive roles of hydrogen rich water (HRW, a H2 donor)-regulated adventitious rooting were blocked by a specific Glc inhibitor glucosamine (GlcN), suggesting that Glc might be responsible for H2-regulated adventitious root development. HRW increased glucose, sucrose, starch and total sugar contents. Glucose-6-phosphate (G6P), fructose-6-phosphate (F6P) and glucose-1-phosphate (G1P) contents were also increased by HRW. Meanwhile, the activities of sucrose-related enzymes incorporating sucrose synthase (SS) and sucrose phosphate synthase (SPS) and glucose-related enzymes including hexokinase (HK), pyruvate kinase (PK) and adenosine 5′-diphosphate pyrophosphorylase (AGPase) were increased by HRW. Moreover, HRW upregulated the expression levels of sucrose or glucose metabolism-related genes including CsSuSy1, CsSuSy6, CsHK1, CsHK3, CsUDP1, CsUDP1-like, CsG6P1 and CsG6P1-like. However, these positive roles were all inhibited by GlcN. Together, H2 might regulate adventitious rooting by promoting glucose metabolism.

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Physico-chemical properties of longan fruit during development and ripening

Cited by 17 publications

References 51 publications

A comprehensive insight into the metabolic landscape of fruit pulp, peel, and seed in two longan (Dimocarpus longanLour.) varieties

A comprehensive insight into the metabolic landscape of fruit pulp, peel, and seed in two longan (Dimocarpus longanLour.) varieties

Characterization and Prebiotic Potential of Longan Juice Obtained by Enzymatic Conversion of Constituent Sucrose into Fructo-Oligosaccharides

The Involvement of Glucose in Hydrogen Gas-Medicated Adventitious Rooting in Cucumber

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