بررسي تغييرات فلاونوييد هسپريدين طي نمو ميوه نارنگي محلي

A Study of the Variations of Hesperidin Flavonoid During Fruit Development of Local Mandarin (Citrus reticulata Blanco)

In this investigation the effects of fruit harvesting time of Local Mandarin (Citrus reticulata Blanco) fruit on weight, diameter, peel thickness, dry matter, total extract and hesperidin flavonoid content in the total extractare studied. The statistical design used was a split plot arrangement randomized completely conducted in the Citrus Research Organization located in Tonecabon (Kotra), the north of Iran. On the basis of the results, harvesting time of the fruit had significant effect on the above-mentioned parameters. Fruit diameter variation was proportional to the fruit weight and was quite rapid. Fruit peel thickness at the first step of growth increased with fruit development and then decreased. Precentage of dry matter at the first harvest increased and then decreased. The total extract was significantly affected by the fruit harvest time.The highest total extract (10.8 g/l00g DW) was obtained from the fruits were harvested 65 days after a full bloom. Results also show that the highest hesperidin content ( 18.12% of total extract ) found in the fruit was harvested 45 days after full bloom and with 7.5 mm of fruit diameter.