Microwave treatments on the ageing physiology of <EM>Dendrocalamopsis oldhami</EM> bamboo shoots

GAO Gui-bin; GU Xiao-ping; ZHANG Xiao-ping; ZHOU Yi-quan; YUE Jin-jun; YUAN Na

Volume 25 Issue 5

Oct. 2008

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Article Navigation > Journal of Zhejiang A&F University > 2008 > 25(5): 675-678

GAO Gui-bin, GU Xiao-ping, ZHANG Xiao-ping, ZHOU Yi-quan, YUE Jin-jun, YUAN Na. Microwave treatments on the ageing physiology of Dendrocalamopsis oldhami bamboo shoots[J]. Journal of Zhejiang A&F University, 2008, 25(5): 675-678.

Citation:

GAO Gui-bin, GU Xiao-ping, ZHANG Xiao-ping, ZHOU Yi-quan, YUE Jin-jun, YUAN Na. Microwave treatments on the ageing physiology of Dendrocalamopsis oldhami bamboo shoots[J]. Journal of Zhejiang A&F University, 2008, 25(5): 675-678.

Microwave treatments on the ageing physiology of Dendrocalamopsis oldhami bamboo shoots

1.
Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang， China;
2.
College of Life Sciences，Anhui Normal University，Wuhu 241000，Anhui，China

More Information

Corresponding author: GU Xiao-ping
Publish Date: 2008-10-20

Abstract

In order to explore the inhibitory effects of microwave on bamboo shoots aging，and more safety and high-quality fresh-keeping method of bamboo shoots，changes in phenylalanine ammonia-lyase（PAL） activity and acid detergent fiber（ADF） mass fraction of Dendrocalamopsis oldhami bamboo shoots were studied using mid and high intensity microwave for 0（the control），10，20，and 30 seconds with four replication. Results showed that after being treated with mid intensity microwave，PAL activity decreased gradually from 155.4 to 62.0 nkat and after high intensity microwave with increasing times，decreased from 159.4 to 35.7 nkat. There were significant differences（P ＜0.05） between PAL activity of most shoot samples and the control（except for the sample treated for 10 s with mid intensity microwave）. The ADF mass fraction decreased rapidly in the prophase，and was lower when the microwave intensity was stronger and treatment time was longer. All facts showed that the shoot ageing speed was faster in the prophase and slowed with increasing microwave intensities and prolonged time periods. ［Ch，4 fig. 1 tab. 14 ref.］
- botany,
- Dendrocalamopsis oldhami,
- bamboo shoot,
- microwave,
- ageing,
- phenylalanine ammonia-lyase （PAL）,
- acid detergent fiber（ADF）

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Microwave treatments on the ageing physiology of Dendrocalamopsis oldhami bamboo shoots

1. Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang， China;

2. College of Life Sciences，Anhui Normal University，Wuhu 241000，Anhui，China

Corresponding author: GU Xiao-ping

Publish Date: 2008-10-20

Key words:

Abstract: In order to explore the inhibitory effects of microwave on bamboo shoots aging，and more safety and high-quality fresh-keeping method of bamboo shoots，changes in phenylalanine ammonia-lyase（PAL） activity and acid detergent fiber（ADF） mass fraction of Dendrocalamopsis oldhami bamboo shoots were studied using mid and high intensity microwave for 0（the control），10，20，and 30 seconds with four replication. Results showed that after being treated with mid intensity microwave，PAL activity decreased gradually from 155.4 to 62.0 nkat and after high intensity microwave with increasing times，decreased from 159.4 to 35.7 nkat. There were significant differences（P ＜0.05） between PAL activity of most shoot samples and the control（except for the sample treated for 10 s with mid intensity microwave）. The ADF mass fraction decreased rapidly in the prophase，and was lower when the microwave intensity was stronger and treatment time was longer. All facts showed that the shoot ageing speed was faster in the prophase and slowed with increasing microwave intensities and prolonged time periods. ［Ch，4 fig. 1 tab. 14 ref.］

Microwave treatments on the ageing physiology of Dendrocalamopsis oldhami bamboo shoots

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通讯作者: 陈斌, bchen63@163.com

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Microwave treatments on the ageing physiology of Dendrocalamopsis oldhami bamboo shoots

1. Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang， China;

2. College of Life Sciences，Anhui Normal University，Wuhu 241000，Anhui，China

Corresponding author: GU Xiao-ping

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Microwave treatments on the ageing physiology of Dendrocalamopsis oldhami bamboo shoots

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通讯作者: 陈斌, bchen63@163.com

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Microwave treatments on the ageing physiology of Dendrocalamopsis oldhami bamboo shoots

1. Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang， China; 2. College of Life Sciences，Anhui Normal University，Wuhu 241000，Anhui，China

Corresponding author: GU Xiao-ping

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1. Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang， China;

2. College of Life Sciences，Anhui Normal University，Wuhu 241000，Anhui，China