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Paper Information

Journal:   JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY)   2011 , Volume 25 , Number 2; Page(s) 130 To 136.
 
Paper: 

EFFECTS OF POTASSIUM PERMANGENATE AND STORAGE TIME ON QUALITY OF MANGO FRUITS (MANGIFERA INDICA L.)

 
 
Author(s):  HEIDARI M.*, DASTJERDI A.M., MORADI N.A.
 
* HORTICULTURE DEPARTMENT, RAMIN AGRICULTURE AND NATURAL RESOURCES UNIVERSITY, MOLLASANI, KHOOZESTAN
 
Abstract: 
The effect of different levels of potassium permangenate (KMnO4 ) on quality of mango fruits were studied over a period of 21 days. A factorial trial in the form of complete randomized design as three levels of KMnO4 (0, 5 or 10 g. kg-1 fruit) and three time period (7, 14 or 21 days) was used. Means were compared using Duncan’s test (P<0.05). Compositional parameters (pH, acidity, total soluble solids, density, ascorbic acid and phenolics in pulp and skin) were measured during storage time. Results showed that after application of - the highest level of - KMnO4 (10 g.kg-1 fruit), treated fruits had significantly higher acidity after 7 days. Fruits that treated with 10 g of KMnO4 had significantly higher phenolics in pulp after 7 days, but phenolics deceased significantly over control after 21 days. Phenolic compounds in fruit skin significantly (P<0.05) remained in high level in fruits treated with the highest level of KMnO4 (10 g. kg-1 fruit) after - 7 and 14 days. There were no significant differences in decay of mango fruits between all treatments in comparison with control after 14 days, but application of KMnO4 (10 g. kg-1 fruit) significantly increased fruit decay after 21 days. Application of KMnO 4 had no significant effects on ascorbic acid or gravity.
 
Keyword(s): FRUIT, MANGO (MANGIFERA INDICA L.), QUALITY, POTASSIUM PERMANGANATE (KMNO4), STORAGE
 
References: 
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