Tannin extraction and changes in content during the maturation of Mopan persimmon fruits

An, Xiaowen; Feng, Runfang; Yang, Jie; Meng, Feng-Hua; Ao, Changwei

doi:10.1007/s11694-021-00934-6

Cited by 3 publications

(1 citation statement)

References 27 publications

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“…The mean values of the total soluble tannin (TST) assay performed on FH-U (i.e., at commercial harvest), FH-CD (i.e., after carbon dioxide treatment), and FH-E (i.e., after ethylene treatment) are reported in Figure 1A. In detail, FH-U fruits were characterized by a TST content of 1022 ± 286 mg GAL/100 g d.w., which is in line with other persimmon astringent cultivars (e.g., Mopan and Deabong) exhibiting a soluble tannin content of about 1200 mg GAL/100 g [23][24][25][26]. Nevertheless, FH-U fruits are characterized by a halved TST content when compared with European and Rojo Brillante and Kaki Typo varieties containing up to 2700-2750 mg GAL/100 g d.w. [10].…”

Section: Tst Content Of Fh Fruitssupporting

confidence: 81%

First Data on the (Poly)phenolic Profiling of Farmacista Honorati Persimmon Fruit (Diospyros kaki Thunb.) at Commercial Harvest and after Treatments for Astringency Removal

Renai,

Bonetti,

Bonaccorso

et al. 2024

Plants

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This study aims to provide the first report on the soluble and polyphenolic profiles of “Farmacista Honorati” (FH) persimmons, which is a marketed cultivar with no existing data on its nutraceutical value. Total soluble tannins (TSTs) and major soluble (poly)phenols in FH fruits before and after post-harvest commercial treatments with carbon dioxide and ethylene were analyzed. Fruits at commercial harvest had a TST content of 1022 ± 286 mg GAL/100 g d.w. Whereas, after deastringency treatments, an 85% and 83% reduction were observed for carbon dioxide- and ethylene-treated fruits, respectively. Carbon dioxide treatment resulted in the insolubilization of tannins around comparable values in most fruit cultivars, despite the variable soluble tannin content in untreated fruit. By targeted metabolomic profiling, nineteen (poly)phenolic substances were quantified in the investigated untreated and treated fruits. Gallic acid (99 mg/100 g d.w.), (+)-catechin (1.8 mg/100 g d.w.), ellagic acid (1.2 mg/100 g d.w.), and (−)-epicatechin (1.1 mg/100 g d.w.) were the predominant compounds in the untreated FH samples. After the application of post-harvest treatments, a non-nutraceutical relevant decrease of 8-19% in the targeted (poly)phenolic content was generally observed. Ethylene induced the most significant reduction in the individual (poly)phenolic compounds in the FH fruits.

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Section: Tst Content Of Fh Fruitssupporting

confidence: 81%

First Data on the (Poly)phenolic Profiling of Farmacista Honorati Persimmon Fruit (Diospyros kaki Thunb.) at Commercial Harvest and after Treatments for Astringency Removal

Renai,

Bonetti,

Bonaccorso

et al. 2024

Plants

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New insights into non-extractable phenolic compounds analysis

Martins

Rodrigues²,

Mercali³

et al. 2022

Food Research International

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A novel edible packaging film based on chitosan incorporated with persimmon peel extract for the postharvest preservation of banana

Liu

Qin

et al. 2022

Food Quality and Safety

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This study aimed to develop a novel edible packaging film for the postharvest preservation of banana based on chitosan (CS) and persimmon peel extract (PPE). Scanning electron microscopy (SEM) analysis showed PPE was evenly distributed in the CS matrix and Fourier transform infrared (FT-IR) spectroscopy analysis showed CS and PPE interacted to form hydrogen bonds, demonstrating good compatibility. Simultaneously, the addition of PPE also significantly improved CS film's physical properties and antioxidant activity. Among them, the CS film containing 10% PPE (CS-PPE 10) showed the optimal mechanical properties, water vapor barrier properties and oxygen barrier properties. The CS film containing 15% PPE (CS-PPE 15) exhibited the best thermal stability, UV-Vis barrier properties and antioxidant activity. In the experiment of banana preservation, CS-PPE 10 film obtained optimal performance on decreasing senescence spots, weight loss, fruit softening, cell wall degradation, inhibiting the activities of polyphenol oxidase and cell wall degrading enzymes and maintaining the content of total soluble sugar and ascorbic acid during the storage period. Consequently, CS-PPE 10 film was expected to be a novel edible packaging material to maintain banana quality and prolong shelf life.

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Tannin extraction and changes in content during the maturation of Mopan persimmon fruits

Cited by 3 publications

References 27 publications

First Data on the (Poly)phenolic Profiling of Farmacista Honorati Persimmon Fruit (Diospyros kaki Thunb.) at Commercial Harvest and after Treatments for Astringency Removal

First Data on the (Poly)phenolic Profiling of Farmacista Honorati Persimmon Fruit (Diospyros kaki Thunb.) at Commercial Harvest and after Treatments for Astringency Removal

New insights into non-extractable phenolic compounds analysis

A novel edible packaging film based on chitosan incorporated with persimmon peel extract for the postharvest preservation of banana

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