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Effects of ripening, 1-methylcyclopropene and ultra-high-pressure pasteurisation on the change of volatiles in Chinese pear cultivars
Journal of the science of food and agriculture, 2012-01, Vol.92 (1), p.177-183
Kou, Xiaohong
Liu, Xiangping
Li, Jiangkuo
Xiao, Huazhi
Wang, Jiehua
2012
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Kou, Xiaohong
Liu, Xiangping
Li, Jiangkuo
Xiao, Huazhi
Wang, Jiehua
Titel
Effects of ripening, 1-methylcyclopropene and ultra-high-pressure pasteurisation on the change of volatiles in Chinese pear cultivars
Ist Teil von
Journal of the science of food and agriculture, 2012-01, Vol.92 (1), p.177-183
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2012
Quelle
MEDLINE
Beschreibungen/Notizen
BACKGROUND: Aroma is one important fruit sensory attribute influenced by the volatile constituents related to species, variety and technological treatments. We analysed the variations of volatile compounds in five pear cultivars and investigated their changes related to different pear organs, different ripening stages, 1‐MCP treatment and ultra‐high‐pressure pasteurisation. RESULTS: Considerable variations exist in the quantity of 10 volatile compounds among five pear cultivars. Their levels generally showed an increasing trend when collected at later harvest time in Ya pear. In Whangkeumbae pear, most volatile compounds reached their maximum levels in skin and pulp. After treating pears with 42 µmol L−1 1‐methylcyclopropene (1‐MCP), the levels of volatiles remained basically unchanged or only slightly increased in Ya pear during a shelf life of 21 days. When Huangguan pear juice was pasteurised by using ultra‐high pressure, the levels of volatiles significantly changed during the shelf life. CONCLUSION: The volatile compositions of five different Chinese pear cultivars differ considerably. The levels of these volatiles vary along with ripening stages and pear tissues. A moderate concentration of 1‐MCP could keep the levels of volatile compounds basically unchanged during storage and ultra‐high‐pressure pasteurisation could change the levels of volatiles significantly during the following shelf life. Copyright © 2011 Society of Chemical Industry
Sprache
Englisch
Identifikatoren
ISSN: 0022-5142
eISSN: 1097-0010
DOI: 10.1002/jsfa.4560
Titel-ID: cdi_proquest_miscellaneous_907997479
Format
–
Schlagworte
1-MCP
,
Beverages
,
Biological and medical sciences
,
China
,
Chinese pear cultivars
,
Cultivars
,
Cyclopropanes - pharmacology
,
Food industries
,
Food science
,
Fruit - growth & development
,
Fruit - metabolism
,
Fruit and vegetable industries
,
Fruits
,
Fundamental and applied biological sciences. Psychology
,
Odorants
,
Pasteurization
,
Pasteurization - methods
,
Plant Preparations
,
Pressure
,
Pyrus - classification
,
Pyrus - growth & development
,
Pyrus - metabolism
,
ripening
,
Species Specificity
,
SPME-GC
,
ultra-high-pressure pasteurisation
,
VOCs
,
volatile compounds
,
Volatile organic compounds
,
Volatile Organic Compounds - metabolism
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