THE INFLUENCE OF STORAGIi.: TEMPERATURE AND PACKAGING MATIERIALS ON THE SHELF LIFE OF CAISIN (Brassica rapa L. cv. Group Caisin)

Gunawan, Fendy (2003) THE INFLUENCE OF STORAGIi.: TEMPERATURE AND PACKAGING MATIERIALS ON THE SHELF LIFE OF CAISIN (Brassica rapa L. cv. Group Caisin). Other thesis, Fakultas Teknologi Pertanian.

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Abstract

Caisill (Brassica rapa L. cv. Group Caisin) is a velY perishable kind (~t1e(!6' I'cge(ah/cs. Its shelf life IS on~v 1-2 days. A bad handling process after harvesl is Ihe mum calise (~r post harvesl losses. 'l1lerefore, a good post harvesl handling is essen/iullo extend the shelf life. Market access is largely determined hy Ihe shelf I~le (~l (he pm duct. The objectives of this study are to k,lOW the influence of packaging and slorage temperatllre on the shelf I~re of caisin. Cai:;jn lor this research was taken from falun ('am/i viIJuge. Ambarawa district. Caisin were packaged ill da/erelll plastiCS (po/)T)rop,,/el1(, (n») 15 f.D11 and 30 f.D11; polyethylene (PI'..) 15 pill ('nd 25 J.un) are stored at d{t/erellttemperatllres (room temperature lind re/h geratm1. {Illpacked. slImples acted liS collfml. /?('spiralioll rates, ( ·'(h and 0 ] COIlCellll'lJliollS illside 111) paekages. //'£Il1spil'lltioll rates and permeability of the plastics were measured hy a gas sensor system. Furthermore. discoloration. willing. development of off-odors lind relative weight loss (?/ c.:aisi/l were evaluated 71le total hacterial contamination was estimated using the pour plulc method. Packed samples had u longer shelf life than control samples. Samp'les stored at low temperatllre had a longer shelf l!fe than samples stored at room temperalUre. Whell caisin was enclosed in PP 30 at refrigerator. shelf life was extended to 12 days. PP 30 paeked samples had highest CO2 concentration and lowest Ozconcentralwn hecause PJ) 30 has the lowest gas permeahility. FUflthernwre. 1'1'30 packed samples had the lowes( discoloration, willing and development of off-odors. Total bacteria jiJr padeed samples stored in refrigerator were lower than packed samples in room lemp..erallire. 77ze hacterial dem'ily o/c.:aisin is still helow the safety. .'itandard\'.

Item Type: Thesis (Other)
Subjects: > 660 Chemical engineering > Food Technology > Food Packaging
Divisions: Faculty of Agricultural Technology
Depositing User: Mr Lucius Oentoeng
Date Deposited: 29 Feb 2016 09:36
Last Modified: 29 Feb 2016 09:36
URI: http://repository.unika.ac.id/id/eprint/7827

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