EFFECTS OF CHITOSAN COATING AND HOT WATER TREATMENT ON POSTHARVEST CHARACTERISTICS OF FRUIT PEPPER

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KHEIRI F.; BARZEGAR T.; GHAHREMANI Z.; RABIEI VALI

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2016 | Volume:18 | Issue:3 Page(s): 0-0

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Title

EFFECTS OF CHITOSAN COATING AND HOT WATER TREATMENT ON POSTHARVEST CHARACTERISTICS OF FRUIT PEPPER

Author(s)

KHEIRI F. | BARZEGAR T. | GHAHREMANI Z. | RABIEI VALI | Issue Writer Certificate

Keywords

ACIDITY

CATALASE ENZYME

FIRMNESS

PEROXIDASE ENZYME

TOTAL SOLUBLE SOLID

Abstract

In order to study the effects of chitosan and hot water treatments on storability and fruit quality of sweet pepper "Paks", an experiment was conducted as a factorial design in the base of CRD with three replications. Fruits were treated withchitosan at four levels (0, 1, 1.5 and 2 percent) and hot water at 20 and 45oC (dipping for 2 min time) and 60oC (dipping for 2o sec time), then stored for 12, 24 and 35 days at 8oC and 98% RH in refrigerator. The results showed that the quality and vitamin Ccontent of fruits decreased during storage. Coating of pepper with chitosan significantly delayed loss of TSS, FIRMNESS, vitamin C, weight losses and fruit quality. Pepper coated with 2% chitosan had the highest effect on keeping fruit quality. Hot water had significant effect on fruit quality. Water with 45oC as hot water treatment improved FIRMNESS, titrable ACIDITY, vitamin C, visual quality and activity of catalase and PEROXIDASE ENZYMEs. Heat damage was observed on fruit dipping at 60°C. According to the results, treatment of 2 percent chitosan with hot water 45oC had the best effect on the studied parameters.

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APA: Copy

KHEIRI, F., BARZEGAR, T., GHAHREMANI, Z., & RABIEI, VALI. (2016). EFFECTS OF CHITOSAN COATING AND HOT WATER TREATMENT ON POSTHARVEST CHARACTERISTICS OF FRUIT PEPPER. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 18(3), 0-0. SID. https://sid.ir/paper/691568/en

Vancouver: Copy

KHEIRI F., BARZEGAR T., GHAHREMANI Z., RABIEI VALI. EFFECTS OF CHITOSAN COATING AND HOT WATER TREATMENT ON POSTHARVEST CHARACTERISTICS OF FRUIT PEPPER. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2016;18(3):0-0. Available from: https://sid.ir/paper/691568/en

IEEE: Copy

F. KHEIRI, T. BARZEGAR, Z. GHAHREMANI, and VALI RABIEI, “EFFECTS OF CHITOSAN COATING AND HOT WATER TREATMENT ON POSTHARVEST CHARACTERISTICS OF FRUIT PEPPER,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 18, no. 3, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/691568/en

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