Effect of PE film thickness and storage temperature in MAP deastringency of ‘Sanggamdungsi’ astringent persimmon

Kim, Il-Ho; Kim, Jiyoung; Nam, Hyun-Jin; Lee, Ki-U; Cho, Doo-Hyun; Lee, Yong-Jae

doi:10.11002/kjfp.2017.24.6.727

Cited by 4 publications

(4 citation statements)

References 6 publications

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“…After harvest, astringent persimmon fruit are generally stored under cold conditions before their use in the production of processed persimmon products. However, the astringent taste would still persist (Kim et al, 2017). Thus, several commercial techniques for deastringency are used in the persimmon fruit industry (Kato, 1990;Oshida et al, 1996;Yamada et al, 2002;Chung et al, 2017;Zhu et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Effect of Application Timing of Deastringency and 1-Methylcyclopropene Treatments on Fruit Quality Attributes and Physiological Disorders of Two Astringent Persimmon Cultivars during Cold Storage

Yoo¹,

Kang²,

Ryu³

et al. 2019

HST

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Astringent persimmon (Diospyros kaki Thunb.) fruit are treated with high levels of CO 2 or alcohol treatments to remove bitterness, but additional treatments are needed to maintain fruit firmness for long-term cold storage. Currently, 1-methylcyclopropene (1-MCP) is widely employed to maintain fruit firmness during cold storage. The objective of this study was to evaluate the effects of application timing of a combination of deastringency and 1-MCP treatments on fruit quality attributes and the incidence of physiological disorders in the cold-stored astringent persimmon fruit of two cultivars, 'Tonewase' and 'Sangjudungsi'. Fresh weight loss gradually increased in 'Tonewase', regardless of the timing of the deastringency and 1-MCP treatment. However, the 1-MCP treatment alone resulted in the smallest loss of fresh weight compared with the other treatments in 'Sangjudungsi'. Fruit firmness was highly maintained by the 1-MCP treatment, regardless of cultivar and application timing. Furthermore, the soluble solids content (SSC) was not affected by the 1-MCP treatment, but was significantly reduced by the deastringency treatment. The SSC was highly retained in 'Sangjudungsi'. The variation in various color variables was greater in 'Sangjudungsi' fruit than in 'Tonewase' fruit. Compared with the other treatments, the combination of 1-MCP and deastringency treatments significantly reduced all color variables at both of the peel regions of 'Tonewase' fruit. Fruit softening, decay, and wilting rates were highest in the combined 1-MCP and deastringency treatments in 'Tonewase' fruit. On the other hand, 'Sangjudungsi' was relatively less susceptible to physiological disorders during cold storage. Overall, our results show that astringent persimmon cultivars require individually-tailored management techniques immediately before cold storage to retain fruit quality.

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Section: Discussionmentioning

confidence: 99%

Effect of Application Timing of Deastringency and 1-Methylcyclopropene Treatments on Fruit Quality Attributes and Physiological Disorders of Two Astringent Persimmon Cultivars during Cold Storage

Yoo¹,

Kang²,

Ryu³

et al. 2019

HST

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“…Various processing methods are utilized to preserve the quality of fruits that are harvested en masse at a single time point, such as lowtemperature storage (Kim et al, 2017), high CO 2 treatment (Kim et al, 2012), UV irradiation (Jang et al, 2012), hot water treatment (Park and Kim, 2002), controlled atmosphere (CA) storage (Chung et al, 2005), modified atmosphere storage (Kim et al, 2017), and 1-methylcyclopropene treatment (Win et al, 2017). Among these, ClO 2 treatment is utilized to enhance the storage quality of agricultural produce (Kim et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Effects of chlorine dioxide gas fumigation on the storage quality of astringent persimmon (Diospyros kaki T.) Cheongdobansi

Kim¹,

Kim²,

Kim³

et al. 2023

Korean J. Food Preserv.

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Because of their short harvest season, large quantities of persimmons must often be processed within a limited time. Therefore, new methods to extend their storage life are required. This study examined the effects of chlorine dioxide (ClO2) gas fumigation for various treatment periods on the storage quality of astringent persimmons Cheongdobansi under low-temperature conditions. The conditions consisted of continuous treatment with ClO2, treatment for 2 weeks with ClO2, and no treatment, all of which are stored at low temperatures. Control samples (storage 0 days) without any treatment were prepared and all experiments were conducted for 10 weeks at two-week intervals. The ClO2 gas treatment maintained the moisture content, color value, hardness, soluble tannin content, and sensory characteristics. However, ClO2 gas treatment did not affect the soluble solids, pH, and total sugar content. In particular, continuous treatment with ClO2 maintained the storage quality after 6-8 weeks of storage, particularly the hardness and weakness (sensory evaluation). The results suggest the potential of continuous treatment with ClO2 as a highly effective method for maintaining the freshness of Cheongdobansi.

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“…Persimmons are largely divided into two types (astringent and sweet). Astringent persimmons have a high concentration of water-soluble tannins (Kim et al 2017;Wei et al 2014). Moreover, depending on the astringent taste of mature fruits and the formation of seeds, persimmons are subdivided into four types: pollination-constant non-astringent, pollination-variant non-astringent, pollination-constant astringent, and pollinationvariant astringent (Kajiura 1946).…”

Section: Introductionmentioning

confidence: 99%

A survey of viruses and viroids in astringent persimmon (Diospyros kakiThunb.) and the development of a one-step multiplex reverse transcription-polymerase chain reaction assay for the identification of pathogens

et al. 2022

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Astringent persimmon (Diospyros kaki Thunb.) is an important fruit crop in Korea; it possesses significant medicinal potential. However, knowledge regarding the pathogens affecting this crop, particularly, viruses and viroids, is limited. In the present study, reverse transcriptionpolymerase chain reaction (RT-PCR) and high-throughput transcriptome sequencing (HTS) were used to investigate the viruses and viroids infecting astringent persimmons cultivated in Korea. A one-step multiplex RT-PCR (mRT-PCR) method for the simultaneous detection of the pathogens was developed by designing species-specific primers and selecting the primer pairs via combination and detection limit testing. Seven of the sixteen cultivars tested were found to be infection-free. The RT-PCR and HTS analyses identified two viruses and one viroid in the infected samples (n = 51/100 samples collected from 16 cultivars). The incidence of single infections (n = 39/51) was higher than that of mixed infections (n = 12/51); the infection rate of the Persimmon cryptic virus was the highest (n = 31/39). Comparison of the monoplex and mRT-PCR results using randomly selected samples confirmed the efficiency of mRT-PCR for the identification of pathogens. Collectively, the present study provides useful resources for developing disease-free seedlings; further, the developed mRT-PCR method can be extended to investigate pathogens in other woody plants.

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Effect of PE film thickness and storage temperature in MAP deastringency of ‘Sanggamdungsi’ astringent persimmon

Cited by 4 publications

References 6 publications

Effect of Application Timing of Deastringency and 1-Methylcyclopropene Treatments on Fruit Quality Attributes and Physiological Disorders of Two Astringent Persimmon Cultivars during Cold Storage

Effect of Application Timing of Deastringency and 1-Methylcyclopropene Treatments on Fruit Quality Attributes and Physiological Disorders of Two Astringent Persimmon Cultivars during Cold Storage

Effects of chlorine dioxide gas fumigation on the storage quality of astringent persimmon (Diospyros kaki T.) Cheongdobansi

A survey of viruses and viroids in astringent persimmon (Diospyros kakiThunb.) and the development of a one-step multiplex reverse transcription-polymerase chain reaction assay for the identification of pathogens

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