This Experiment was carried out using fruit from
citrus trees acid lime “Kay” grown at the southern part of
Iran (Darab). Fruit were washed, dipped in a 500 ppm
benomil solution and air dried. Fruits were graded to
required sizes. The fruits were then randomized into lots
for microperforation polybags film sealing and the control
fruit received no polybags. Polybags (polyethylene bags)
25X20 cm with a 30 µm film thickness containing 1X40
(40), 2X40 (80) and 3X40 (120) microperforation (Save
Selfresh, Sought Korea) were used for the experiment.
Seal-packaged fruit were sealed with Edgeseal machine.
Ten fruits from each treatment were numbered and used
for weight loss determination. The remainder of each lot
was used for other analysis. All microperforated polybags
including controls were stored at 10 and 20°C for 5
and 10 weeks. Storage room temperatures were maintained
within±1°C. Relative humidity of storage rooms ranged
from 85-95%. The bags were removal from cold store
and fruit assessed for quality after 24h at ambient air
temperatures. Background skin color was assessed using
a Minolta CR-200 Chromameter, Japan and calibrate with
a white reference plate (Y = 94.3, X = 0.3142 and Y =
0.3211). The a value being determined, the more negative
*
the value, the greener the color. Fruit firmness was
evaluated on two opposite of the equator with a fruit
pressure tester with a 9 mm probe tip. Juice squeezed and
Soluble Solid Content (SSC) were measured with a hand
refractometer. Titratable acidity was measured by titration
of 5-ml juice sample with 0.1 mol NaOH to an endpoint of
pH=8.1. Percentages of decay, vitamin C and weight loss
were recorded. Randomized complete block design was
used for the experiment with three replication for each
treatment with 10 fruits each. All statistical procedures
were performed using Mstat. Data were subject to
ANOVA and Least Significant Differences (LSDs) were
determined at p