Farkl ı Depo Koşulları ve Ambalaj Büyüklü ğünün Havucun Muhafaza Süresine Etkisi

Abstract

Araşt ı rmada Nandor F1 havuç çeşidinin muhafaza suresine depo s ı cakl ığı ve ambalaj büyüklü ğünün etkileri incelenmiştir. Bu amaçla havuçlar hasattan sonra y ı kanarak 2, 5, 10 ve 20 kg.l ı k delikli polietilen torbalar, içerisine konularak 0°, 5°C sicakl ı ktaki soğutuculu depolar ile soğutucusuz depoya yerleştirilmiştir. Kontrol amac ı ile kullan ı lan örnekler ayn ı depo ortamlar ı nda aç ı kta plastik kaseler içerisinde muhafaza edilmişlerdir. Ayl ı k aral ı klarla depodan al ı nan örneklerde; sUda eriyebilir toplam kuru madde, karoten miktar ı , ağı rl ı k kayb ı , köklenme ve filizlenme oranlar ı ile duyusal kalite de ğerlendirmesi yap ı lm ışt ı r. Sonuçlar 5°C'de kontrol grubunun 2 ay muhafaza edilebilece ğini, bu sürenin soğutucusuz 0°C'deki soğ utuculu depoda 3 aya ç ı kt ığı n ı göstermi ştir. Soğutucusuz depo ile 0°C.deki soğutuculu depoda PE'torbalarda muhafaza edilen havuçlar ise s ı ras ı ile 4 ve 6 ay süresince önemli bir kalite kayb ı na uğ ramam ışlard ı r. Sonuçlar- depo s ı caklığı yükseldikçe filizlenme ve a ğı rl ı k kayb ı n ı n artt ığ' ı n ı , suda eriyebilir toplam kuru madde miktar ı n ı n ise azald ığı n ı ortaya koymuştur. Karoten miktar ı tüm depo koşullar ı nda ambalajl ı örneklerde depolama süresi sonunda hasat zamantna,göre art ış göstermiştir

Keywords

• Havuç
• muhafaza
• ambalajlama
• köldenme
• filizlenme
• karoten miktar ı

The Effect of Different Storage Conditions and Package Size on Storage Duration of Carrots

Abstract

The effects of different storage temperatures and packing size on the storage period of the Nandor Pi carrot cultivar are reported. Storage temperatures were at a controlled O° and 5° C and at ambient temperature with assisted ventilation. Product was stored in 2-, 5-, 10-, and 20-kg perforated polyethylene PE bags for these experiments; control carrots were placed in each of the three temperatures but were not packed . At monthly intervals the stored carrots were evaluated for the following; total soluble solids, carotene content. weight loss, sprouting, rooting, and sensory quality. Results show that the unpacked carrots placed in 5°C refrigeration could be stored for up to two months. Unpacked controls stored in ventilated conditions or at O° C could be stored for as long as three months. Carrots packed in PE bags and placed in ventilated conditions could be stored for up to four months, while plastic-packed product placed in O° C refrigeration lasted for as long as six months. Sprouting and weight loss were found to increase as storage temperat ırre increased, whereas TSS was observed to decrease in contrast. For all storage conditions the carotene content of carrots stored in PE bags was uniformly higher at the end of the storage period than at the beginning of the storage period.

Keywords

• Carrot
• storage
• packaging
• sprouting
• rooting
• caroten content

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