Storage of agricultural products by the control of gas composition and total pressure
通过控制气体成分和总压来储存农产品
基本信息
- 批准号:09660268
- 负责人:
- 金额:$ 2.18万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:1997
- 资助国家:日本
- 起止时间:1997 至 1998
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The effect of surrounding gas composition and total pressure on the storage of spinach was examined through the growth of bacteria attaching to spinach and the respiratory metabolism of spinach. The surrounding gas composition was set into 3 types, that is, 5 kPa of oxygen + 20 kPa of nitrogen, 5 kPa of oxygen 80 kPa of nitrogen and 21 kPa of oxygen 80 kPa of nitrogen. The third type of gas composition was used as a control. The storage temperature was 283 K and 288 K and storage period was 11 to 19 days. The number of bacteria before storage was almost same for both samples stored in low oxygen concentration (5 kPa) and normal oxygen concentration (21 kPa). Bacteria attaching to lettuce sample grew during storage period. At the end of storage, the number of bacteria increased to more than or equal to 10 to the 8th power in the case of normal oxygen concentration, however it became less than or equal to 10 to the 6th power in the case of low oxygen concentration. The growth of bacteria did not depend on the total pressure of surrounding gas. The results of bacterial growth mentioned just before were confirmed for both storage temperatures, 283 K and 288 K.Cumulative quantity of carbon dioxide evolved from lettuce sample stored in low oxygen concentration was also suppressed to 70 to 80% of that evolved from lettuce in normal oxygen concentration.
通过对菠菜表面细菌生长和呼吸代谢的研究,探讨了环境气体组成和总压对菠菜贮藏的影响。将周围气体组成设定为3种类型,即,5 kPa的氧气+20kPa的氮气、5 kPa的氧气80 kPa的氮气和21 kPa的氧气80 kPa的氮气。第三种类型的气体组合物用作对照。贮藏温度为283 K和288 K,贮藏期为11 ~ 19 d。在低氧浓度(5 kPa)和正常氧浓度(21 kPa)下储存的样品在储存前的细菌数量几乎相同。生菜样品在贮藏过程中有细菌生长。在储存结束时,在正常氧浓度的情况下,细菌数量增加到大于或等于10的8次方,而在低氧浓度的情况下,细菌数量变为小于或等于10的6次方。细菌的生长不依赖于周围气体的总压。对于283 K和288 K这两种储存温度,证实了刚才提到的细菌生长的结果。从储存在低氧浓度下的莴苣样品中释放的二氧化碳的累积量也被抑制到从正常氧浓度下的莴苣中释放的二氧化碳的累积量的70 - 80%。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
S.Oshita et al.: "Mechanism of deterioration of broccoli estimated by proton relaxation time of intracellular water" Proc.of JSAM Annual meeting. No.57. 239-340 (1998)
S.Oshita 等人:“通过细胞内水的质子弛豫时间估计西兰花变质的机制”Proc.of JSAM 年会。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Sei-ichi OSHITA: "Relaxation time of protons in intracellular water of vegetables and its respiration" Proc.of the 13th International Congresson Agricultural Engineering. vol.6. 103-108 (1998)
Sei-ichi OSHITA:“蔬菜细胞内水中质子的弛豫时间及其呼吸”第十三届国际农业工程大会论文集。
- DOI:
- 发表时间:
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- 影响因子:0
- 作者:
- 通讯作者:
大下誠一: "細胞内水の緩和時間からみたブロッコリ劣化のメカニズム" 第57回農業機械学会年次大会講演要旨. 239-240 (1998)
Seiichi Oshita:“从细胞内水的弛豫时间观察西兰花变质的机制”第57届日本农业机械学会年会摘要239-240(1998)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
S.Oshita et al.: "Relaxation time of protons in intracellular water of vegetables and its respiration" Proc.of the 13th Int.Congress on Agricultural Engineering. Vol.6. 103-108 (1998)
S.Oshita等:“蔬菜细胞内水中质子的弛豫时间及其呼吸”第13届国际农业工程大会论文集。
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- 影响因子:0
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OSHITA Seiichi其他文献
Influences of nano-bubbles on water mobility of barley seeds as studied by nuclear magnetic resonance (NMR) spectroscopy
通过核磁共振(NMR)光谱研究纳米气泡对大麦种子水流动性的影响
- DOI:
- 发表时间:
2013 - 期刊:
- 影响因子:0
- 作者:
LIU Shu;OSHITA Seiichi;OTSUKA Yurina;MAKINO Yoshio - 通讯作者:
MAKINO Yoshio
OSHITA Seiichi的其他文献
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{{ truncateString('OSHITA Seiichi', 18)}}的其他基金
Visualization of the process of water structured by fluorescence imaging
通过荧光成像实现水结构化过程的可视化
- 批准号:
23658207 - 财政年份:2011
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Development of hygiene monitoring method at a slaughter house by optical sensing
屠宰场光学传感卫生监测方法的开发
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23380147 - 财政年份:2011
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Long term preservation of agricultural products by the control of ice crystal size in terms of hydrophobic hydration
通过疏水水合作用控制冰晶尺寸来长期保存农产品
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20380139 - 财政年份:2008
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of measuring device of the hydraulic conductivity of cell membrane and the control of membrane water permeability under stress
细胞膜水力传导率测量装置及应力下膜水渗透率控制的研制
- 批准号:
18380148 - 财政年份:2006
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Study on the mechanism of quality deterioration of agricultural products through cell membrane permeability and surface nature of cell wall
通过细胞膜通透性和细胞壁表面性质研究农产品品质劣化机理
- 批准号:
15380170 - 财政年份:2003
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Determination of the process of water loss from leafy vegetables on the basis of cell turgor pressrure and physical properties of cell
基于细胞膨胀压和细胞物理性质测定叶类蔬菜失水过程
- 批准号:
13460110 - 财政年份:2001
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of preservation system of agricultural products by the use of structured water
利用结构化水开发农产品保鲜系统
- 批准号:
07556141 - 财政年份:1995
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Study on the preservation of agricultural products by means of hydrophobic hydration
疏水水合农产品保鲜研究
- 批准号:
05806032 - 财政年份:1993
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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