THE INTENSITY OF THE BREATH OF BRUSSELS SPROUTS DURING STORAGE, DEPENDING ON THE TYPE OF PACKAGING
Journal Title: Овочівництво і баштанництво - Year 2019, Vol 1, Issue 65
Abstract
The aim of researchers. The conducted researches were aim at the scientific substantiation of the influence of weather conditions of the growing season of Brussels sprout, the type of packaging on the intensity of breathing during storage. Methods. General science: 1. Method of hypotheses – compilation of experimental schemes; 2. Method of experiment – schemes of field and laboratory experiments; 3. The method of analysis and synthesis – the formation of conclusions and generalizations, calculation and analytical. Results. It ware found that the intensity of respiration depended on the weather conditions in which the formation of heads occurred. The use of a polyethylene film and a stretch film made it possible to reduce the intensity of breathing and to prolong the shelf life of the product, because the packaging held off carbon dioxide released during the breath at the head and is a natural preservative. The intensity of breathing correlates with the loss of cabbage during storage. The correlation coefficient of mass loss from the breathing intensity for the hybrid F1 Abakus r = –0.6425 ± 0.351, for the Brilliant F1 r = –0.7732 ± 0.135. The regression equation, representation of loss of mass of heads of Brussels cabbage with the intensity of breath packed in PP and 05, kg of joint ventures was developed. It ware established that the best describes the experimental data of the dependence of mass loss during the storage of cabbage when packaged in PP and 0.5 kg in a stretch film of a 2-order polynomial. The value of reliability is R2 = 0,962 – 0,978. Then, when the linear dependence of R2 = 0.369 – 0.618. Conclusions. In studies, the intensity of breath of Brussels cabbage at the beginning of st orage during the years of research varied in the heads of the hybrid F1 Abakus within 14.5–15.4 mg CO2/kg in hour. In hybrid F1 Brilliant – 13.4–14.2 and higher at the heads the harvest of 2014 is 15.4 and 14.2 mg CO2/kg in year, respectively, since the pre-harvest period was characterized by elevated temperature and humidity. On average, over the years, the intensity of respiration of Abakus F1 heads was 15.0 mg CO2/kg in hour, while in the Brilliant F1 it was significantly lower: 13.8 mg CO2/kg in hour. The activity of catalase depends on the weather conditions of the growing season. The greater activity of cabbage heads of cabbage in Brussels at the beginning of storage was in the hybrid Abacus F1: on average, in 2012–2016, 2.0 ml of O2 for 3 minutes; in Brilliant F1 20% less. The use of polyethylene film reduces the intensity of the breath of Brussels sprouts in the middle of storage by 29–30% (30 days); when packing on 1 kg in bags of the same film – by 70–75% (40 days); when packed in a stretch film of 0.5 kg – 75–78% (40 days) depending on the hybrid. At the end of storage (50–70 days), the intensity of respiration increases by 17–42% relative to the middle, depending on the type of packaging and the hybrid. The use of polyethylene liners reduces the activity of catalase in 3.2–3.3 times, packing of heads of 1 kg in packages of polyethylene film – in 2.3–2.5 times, and packing by 0.5 kg in a stretch film – in 1.6–1.7 times depending on the hybrid.
Authors and Affiliations
L. M. Pusik, V. A. Bondarenko
Keywords
Related Articles
- EP ID EP645773
- DOI 10.32717/0131-0062-2019-65-84-92
- Views 69
- Downloads 0
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