PRODUCTION OF METHANOL FROM HEAT-STRESSED PEPPER AND CORN LEAF-DISKS

被引:14
作者
ANDERSON, JA
机构
关键词
CAPSICUM-ANNUUM; ZEA-MAYS; ACETALDEHYDE; ETHANE; ETHANOL; ETHYLENE; ELECTROLYTE LEAKAGE; PEROXIDATION; LINOLEIC ACID; LINOLENIC ACID; FATTY ACID;
D O I
10.21273/JASHS.119.3.468
中图分类号
S6 [园艺];
学科分类号
0902 ;
摘要
'Early Calwonder' pepper (Capsicum annuum L.) and 'Jubilee' corn (Zea mays L.) leaf disks exposed to high temperature stress produced ethylene, ethane, methanol, acetaldehyde, and ethanol based on comparison of retention times during gas chromatography to authentic standards. Methanol, ethanol, and acetaldehyde were also identified by mass spectroscopy. Corn leaf disks produced lower levels of ethylene, ethane, and methanol, but more acetaldehyde and ethanol than pepper. Production of ethane, a by-product of lipid peroxidation, coincided with an increase in electrolyte leakage (EL) in pepper but not in corn. Compared with controls, pepper leaf disks infiltrated with linolenic acid evolved significantly greater amounts of ethane, acetaldehyde, and methanol and similar levels of ethanol. EL and volatile hydrocarbon production were not affected by fatty acid infiltration in corn. Infiltration of pepper leaves with buffers increasing in pH from 5.5 to 9.5 increased methanol production.
引用
收藏
页码:468 / 472
页数:5
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