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Paper Information

Journal:   AGRICULTURAL SCIENCES AND TECHNOLOGY   2006 , Volume 20 , Number 7; Page(s) 13 To 24.
 
Paper: 

THE EFFECT OF PACKAGING AND STORAGE ON SUGARS AND ORGANIC ACIDS OF TWO KIWI CULTIVARS (ABBOT AND HAYWARD)

 
 
Author(s):  ROOZBEH NASIRAIE L., DOKHANI SH., SHAHEDI M., SHOKRANI R.
 
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Abstract: 
Two cultivars of kiwi fruit, Hayward and Abbot, with desirable quality were harvested on time from Valiabad, a region in Tonekabon (Mazanddaran Provicnce). Fruits were graded and packed in wooden boxes, cartons and low density polyethylene (LDPE) films, and stored in a proper and constant conditions (T=- 0.5±0.5oc & RH=90-95% ) for a period of 6 months. Samples were taken from each package in random for intervals of 30±3 days and during storage (6 months). The sugars, sucrose, glucose, fructose and organic acids, citric, L - malic were quantitatively determined by high performance liquid chromatography (HPLC).
Statistical analysis was performed with factorial expriment in unequal completely randomized and average comparison design by multiple range test. HPLC analysis showed that the amount of glucose, fructose and sucrose of Hayward cultivar was more than Abbot during storage.
Glucose and fructose contents in each three kinds of packaging and each two kinds of cultivars increased and sucrose in each cultivar increased during the first month storage and then decreased, although, in Abbot cv. showed a quick decrease. Citric acid was dominated in both cultivars. It decreased in all packaging for both cultivars, although, that was quicker for Abbot.
The amount of L-malic in each three kinds of pachaging gradually decreased for both cultivars.
 
Keyword(s): KIWI CULTIVARS , ABBOT, HAYWARD, SUGARS, ORGANIC ACIDS, HPLC
 
References: 
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