Manual versus mechanized sorting, washing, waxing and size grading of Nagpur mandarin.
Ladaniya, M. S.; Dass, H. C.;
Journal of Maharashtra Agricultural Universities Year: 1994 Vol: 19 Issue: 1 Pages: 159-160 Ref: 1 ref.
1994
บทคัดย่อ
ABSTRACT :
The effect of mechanization of Nagpur mandarin processing on storage life and quality was studied. A mechanical washer, consisting of nylon brushes, was used to clean the fruits, before a wax emulsion spray was applied to fruits moving on horse hair brushes using a nozzle with a discharge of 65 ml/min. A rotating grading machine separated fruits into 3 grades on the basis of diameter: less than or equal to 6, 6.1-7.0 and 7.1-8.0 cm. Stored fruits were evaluated for weight loss, decay and sensory properties. Mechanization of the processing of mandarins saved time, and reduced the amount of wax used and the overall costs. Manual size grading was still more accurate, although mechanical grading operated at a rate of 1 ton of fruit per hour. Manually processed fruits showed higher decay as a result of bruising. Weight loss in mechanically waxed fruits was slightly higher due to inadequate wax coverage.