Effects of Storage Time on the Chemical and Microbiological Quality of Pasteurized Beetroot (Beta vulgaris L.) Juice with Enzyme Extraction and Clarification
Abdussalam Muhyideen Zainab Funmilayo and Lee-Hoon Ho*
Faculty of Bioresources and Food Industry, School of Food Industry, Universiti Sultan Zainal Abidin, 22200 Besut Campus, Malaysia.
*Correspondence | Lee-Hoon Ho, Faculty of Bioresources and Food Industry, School of Food Industry, Universiti Sultan Zainal Abidin, 22200 Besut Campus, Malaysia;
Email: [email protected],
[email protected]
Figure 1:
Effect of storage time on the vitamin C content of beetroot juice during 30 days’ storage period at 4 oC. Control 1: Fresh juice, non-enzyme treated nor pasteurised; Control 2: Pectinase extracted but not pasteurised nor clarified juice; PPTJ: Pasteurised pectinase clarified juice; PCTJ: Pasteurised cellulase clarified juice; PPCTJ: pasteurised pectinase + cellulase clarified juice.
Figure 2:
Mould and yeast count of beetroot juice during 30 days’ storage period at 4 oC. Control 1: Fresh juice, non-enzyme treated nor pasteurised; Control 2: Pectinase extracted but not pasteurised nor clarified juice; PPTJ: Pasteurised pectinase clarified juice; PCTJ: Pasteurised cellulase clarified juice; PPCTJ: pasteurised pectinase + cellulase clarified juice.
Figure 3:
Aerobic plate count of beetroot juice during 30 days’ storage period at 4 oC. Control 1: Fresh juice, non-enzyme treated nor pasteurised; Control 2: Pectinase extracted but not pasteurised nor clarified juice; PPTJ: Pasteurised pectinase clarified juice; PCTJ: Pasteurised cellulase clarified juice; PPCTJ: pasteurised pectinase + cellulase clarified juice.