|
| Pericarp microstructure of‘ Gonggan’ mandarin（Citrus reticulata） fruit and its responses to different temperatures |
| |
| DOI：10.16768/j.issn.1004-874X.2016.09.008 |
|
| Hits: 2120 |
| Download times: 918 |
| Abstract: |
| The waxy layer of‘ Gonggan’mandarin stored for 30 d at room temperature almost disappeared，
epidermis thickness decreased dramatically，yellow layer significantly thinned，white layer thickened significantly，
and inner diameter of oil capsule cavity expanded. Stored for 90 d at room temperature，evident epidermis of the
still healthy‘ Gonggan’mandarin fruit was not observed， mesocarp thickness significantly decreased，especially
the yellow layer thickness and its proportion，cell gap significantly expanded，cells near endocarp of the white layer
were more sparse，further expansion of the inner diameter of oil capsule cavity was evident，and evident hollowness
was observed in the part of epidermis near oil capsule cavity. Stored at low temperatures，the pericarp thickness of
‘Gonggan’mandarin fruit increased while microstructure changes of each part of pericarp was much smaller in
earlier stage，the longer the cold storage period，the more significant the protective effect of low temperature on
the pericarp of‘ Gonggan’mandarin fruit. These results indicated that the physiological metabolism of pericarp of
‘Gonggan’mandarin fruit postharvest was still strong in early storage period，the protective effects of low
temperature storage on structure and function of fruit pericarp were very prominent，the recession of cuticle wax
was very important for the fresh-keeping effect of‘ Gonggan’mandarin fruit，and significantly protective effect
on structure and function of yellow layer and oil capsules of mesocarp was the another important mechanism of cold
preservation of fruit postharvest. |
|
View Full Text
View/Add Comment Download reader |
