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Indian Journal of Natural Products and Resources (IJNPR)
[Formerly Natural Product Radiance (NPR)]
NPR Vol.4 [2005] >
NPR Vol.4(1) [January-February 2005] >

Title: Vegetable
Issue Date: Feb-2005
Publisher: CSIR
Abstract: Food and Biotechnology scientists at Sweden studied the influence of packaging material and storage condition on the sensory quality of broccoli. Oriented polypropylene (OPP), polyvinyl chloride (PVC) and low-density polyethylene (LDPE) were used as packaging materials. The LDPE contained an ethylene-absorbing sachet. The samples were stored for 1 week, either at a constant temperature of 10˚C or for 3 days at 4˚C, followed by 4 days at 10˚C. The atmospheres that were developed inside the different packaging materials during storage differed significantly. After storage, the broccoli was evaluated both raw and cooked using a triangle test and a quantitative descriptive analysis. The triangle test showed significant differences in the smell of broccoli stored in different packaging materials after cooking. No differences were detected in the raw broccoli. The quantitative descriptive analysis showed significant differences in the fresh smell and flavour, the chewing resistance, and the crispness, between samples after cooking. Overall, including all the sensory properties studied, broccoli packaged in LDPE (5% O2, 7% CO2) that contained an ethylene absorber was perceived to be the sample most similar to fresh broccoli. There were no differences in weight loss between broccoli stored in the different packaging materials [Jacobsson et al, Food Qual Prefer, 2004, 15(4), 301-310].
Page(s): 66-67
ISSN: 0975-1092 (Online); 0972-592X (Print)
Source:NPR Vol.4(1) [January-February 2005]

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