Effect of electrostatic atomization on ascorbate metabolism in postharvest broccoli

被引：24

作者：

Ma, Gang ^{[1
]}

Zhang, Lancui ^{[1
]}

Kato, Masaya ^{[1
]}

Yamawaki, Kazuki ^{[1
]}

Asai, Tatsuo ^{[1
]}

Nishikawa, Fumie ^{[2
]}

Ikoma, Yoshinori ^{[3
]}

Matsumoto, Hikaru ^{[3
]}

Yamauchi, Toshiyuki ^{[4
]}

Kamisako, Toyoshi ^{[4
]}

机构：

[1] Shizuoka Univ, Fac Agr, Dept Biol & Environm Sci, Suruga, Shizuoka 4228529, Japan

[2] Natl Inst Fruit Tree Sci, Dept Citrus Res, Nagasaki 8592501, Japan

[3] Natl Inst Fruit Tree Sci, Dept Citrus Res, Shimizu, Shizuoka 4240292, Japan

[4] Panasonic Corp, Appliances Co, Corp Engn Div, Kusatsu, Shiga, Japan

来源：

POSTHARVEST BIOLOGY AND TECHNOLOGY | 2012年 / 74卷

关键词：

Ascorbate; Broccoli; Electrostatic atomization; Real-time PCR; Senescence; ETHYLENE BIOSYNTHESIS; GLUTATHIONE CYCLE; OXIDATIVE STRESS; STORED BROCCOLI; VITAMIN-C; ACID; EXPRESSION; GENES; PEROXIDASE; SENESCENCE;

D O I：

10.1016/j.postharvbio.2012.07.001

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The effects of electrostatic atomization on ascorbate (AsA) metabolism in broccoli (Brassica oleracea L var. italica) were studied and the possible molecular mechanisms discussed. Electrostatic atomization, delayed the yellowing process, and ethylene production and respiration rates were significantly suppressed in broccoli after harvest. The AsA content declined rapidly to a lower level in the controls after harvest, and the reduction of AsA was suppressed by the treatment with electrostatic atomization during the storage period. In addition, modulation of the AsA reduction by electrostatic atomization was highly regulated at the transcription level. Up-regulation of the AsA biosynthetic genes (BO-VTC1 BO-VTC2, and BO-GLDH), and AsA regeneration genes (BO-MDAR1, BO-MDAR2, and BO-DHAR) led to the suppression of AsA reduction in broccoli treated with electrostatic atomization after harvest. These results indicated that electrostatic atomization treatment might be a new effective approach for delaying the senescence of broccoli. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：19 / 25

页数：7

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