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1、 General White paper/Second edition Use less energy retain quality Optimized high acid pasteurization.General Publisher Tetra Pak Processing Systems AB SE 221 86 Lund,Sweden Published Mars 2020 Tetra Pak International S.A No part of this publication may be duplicated in any form without the source b

2、eing indicated.3 CONTENTS Introduction.4 Who is this white paper for?.4 The takeaway.4 Established industry practice.5 Can we do better?.5 Heat resistance of microorganisms present in juice.6 Challenge test:Pilot scale testing of reduced pasteurization process.8 Verification of commercial sterility

3、in a commercial plant.9 Evaluation of product quality.9 Taste.10 Vitamin C degradation.10 Visual appearance.10 Conclusions.11 Process recommendations for juice,nectar and still drinks.12 Prerequisites.12 Reduction of energy consumption and increased flexibility.13 Tetra Pak your beverage PARTNER.14

4、4 INTRODUCTION Who is this white paper for?This white paper is for anyone in the beverage processing industry who works with drinking juices,nectars,or still drinks that are classified as high-acid products,with a pH 4.2.The evaluations and solutions outlined in this booklet will be of interest to p

5、lant managers,quality managers,technical managers and those working with JNSD products in a research or development capacity,as well as anyone concerned with minimizing operating costs and energy consumption in JNSD lines.The takeaway Findings from our research group indicate that many operators may

6、 be over-pasteurizing some of their drinking juices and wasting energy,money and time in the process.Our findings show that pasteurization recommendations can be optimized using less energy,while still retaining product quality.This is supported by detailed microbial analysis and evaluation of produ