Food product development Mary Earle, Richard Earle and Allan Anderson Published byWoodhead Publishing Limited Abington Hall, Abington Cambridge CB1 6AH England www.woodhead-publishing.com Published in Northand SouthAmerica byCRCPressLLC 2000Corporate Blvd, NW Boca Raton FL33431 USA First published 2001,Woodhead Publishing Limited and CRCPressLLC (cid:1) 2001, Woodhead Publishing Limited The authors have asserted their moral rights. This bookcontains information obtained from authentic andhighly regarded sources. Reprinted material isquoted with permission, and sourcesare indicated. Reasonable efforts have been made to publish reliable data and information, but the authors and the publisherscannot assume responsibility forthe validity ofall materials. Neither the authors nor the publishers, noranyone else associated withthis publication, shall be liable for anyloss,damage orliability directly or indirectly caused or alleged to be caused bythisbook. 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Woodhead Publishing Limited ISBN1 855734680 CRCPressISBN0-8493-1209-4 CRCPressorder number: WP1209 Cover design byThe ColourStudio Project managed byMacfarlane Production Services, Markyate, Hertfordshire (e-mail: [email protected]) Typeset byMHLTypesetting Limited, Coventry, Warwickshire Printed byTJInternational, Padstow,Cornwall, England Related titles from Woodhead’s food science, technology and nutrition list: Auditing in the food industry(ISBN:1 855734508) Increasing consumer expectations, government legislation and levels ofcompetition have led to a growingnumber ofstandards andbenchmarks against which food processorsmay be measured andaudited. This unique bookprovides foodprocessors with aguide to the main types ofaudit, their importance, howto prepare forthem and howto use them to gain competitive advantage. It isanessential resource forall quality assurance and production managers in the food industry. Food processmodelling (ISBN:1 855735652) Amajor trend within the food industryover the past decade hasbeen the concern to measure, predict andcontrol foodprocesses more accurately in search forgreater consistency, quality and safety in the final product. Thisbookexplores the current trends in modelling, their strengthsand weaknesses andapplications acrossthe supply chain. It will bea valuable guide for production and technical managers within the food industry. Instrumentation andsensorsforthe food industry(ISBN:I 855735601) The first edition of this bookquickly established itself asa standard work in itsfield, providing an authoritative and practical guide to the range ofinstrumentation and sensorsavailable to the foodindustry professional. This newedition has been comprehensively revised to include new developments andtechniques. Instrumentation for foodquality assurance; principles of colour measurement; chemosensors, biosensorsand immunosensors and instrumental techniques in quality control are all discussedin detail. Details ofthese booksand acomplete list of Woodhead’s food science, technology and nutrition titles can beobtained by: • visiting our website at www.woodhead-publishing.com • contacting Customer services (email: [email protected]; fax: +44(0)1223893694; tel.: +44(0)1223891358ext. 30;address: Woodhead Publishing Limited, Abington Hall, Abington, Cambridge CB1 6AH,England) If youwouldlike to receive information onforthcoming titles in this area, please send your addressdetails to: Francis Dodds(address,tel. and fax as above; e-mail: [email protected]). Please confirm which subject areas youare interested in. Part I Introduction Product development has been a major activity in the foodindustry for over 40 years,butonlygraduallyhasitdevelopedasastrategicbusinessareaandalsoas an advanced technology. For a long time it was essentially a craft, loosely related to the research and engineering areas in the company. The pressures for product development came very strongly from the needs of the growing supermarkets for a constantly changing, extensive mix of products and for continuous price promotions. So there was the drive for product difference, including minor product changes sufficient to distinguish products on the shelves, and for cost reductions. There were also underlying social and technological changes which caused major product development; for example the increasing number of working women which sparked the need for convenience foods and eating out, and the development of spray and freeze drying which was the basis for instant foods. Whenonelooksatoverallsuccessandfailureinthefoodindustryduringpast years, socially there has been success in providing sufficient cheap food in developed countries, but failure through developing such a poor reputation that thefoodindustrybecamehighlyregulated;commerciallytherehasbeensuccess in developing large multinational companies, but failure with continuously reducing margins on food products. Can the failures be related to narrowly focused business strategies, to lack of innovation strategies and organisation or to lack of knowledge? There are now compelling social and technological pressures on the whole food system to change rapidly, such as the pressures from the growth of information technology in the more affluent countries, and from the growing economic strength in some of the developing countries. Can the food industry meetthischallenge? Hasthefoodindustrytheknowledgeandthepeople? How 2 Food product development can itrespond?Theaim ofPartIofthebookistolookatthecausesofproduct success and failure in the past, and to identify the key issues for successful product development in the future. Preface Managing innovation is a necessary skill for senior management of all food companies producing new raw materials, new ingredients or new consumer products. Company growth and even survival depends on the introduction of successful new products into old and new markets. The dividing line between productsuccessandfailuredependsonmanyfactors,butthemostimportantare new product qualities, skills and resources of the company, market and marketingproficiency,andan organisedproductdevelopment process.There is aneedtounderstandconsumers’behaviourandattitudesandtobeabletodesign a product to meet the users’ needs. But it is also necessary to have the technological knowledge andthe skills, andtheorganisational abilitytobring a product to a successful commercial conclusion in the marketplace. This book studies some of these key issues in product development and outlines the methods of managing them. The book started on a day in 1956 when Mary Earle joined the product development team at Unilever Limited, Colworth House, Sharnbrook, Bed- fordshire. Jack Savage, the leader of this team, was a pioneer of product development in the food industry. It was his understanding of product development as a coordination of technology and marketing, always aimed at the final consumer, that laid the basis for Mary’s work in product development during the next 40 years. She tried to put these ideas into practice in the food industry in Britain and the meat industry in New Zealand, and quickly realised that there was a real need for education in product development for all people enteringthefoodindustryparticularlytechnologists,engineersandmarketers.In 1965, at Massey University, New Zealand, she introduced courses in product development and foodmarketinginthe Bachelor ofTechnology degreein food technology.Thesecoursescombinedtheoryandprojects,sothatthestudentsnot x Preface only could learn basic techniques in product development but also the philosophy and the practical application in industry. Gradually product development (PD) was developed as an academic discipline and Bachelor and Masterate degree programmes in product development were introduced for all industries at Massey University. Allan Anderson was involved in much of this development over the years. Dick Earle’s expertise is in process development, particularly in the New Zealand meat industry, and he developed the combination of product design and process development in a new venture producing pharmaceutical industrial products. Atthesametime,particularlyinthelast20years,therehasbeenagreatdeal of research in other industries on product development, and today it is recognisedasaparticularindustrialresearchdiscipline.Thebookhasbeenbuilt on this research and also the research at Massey University and with the food industries in New Zealand, Thailand, Malaysia, Singapore, Canada and Australia. We need to thank the hundreds of undergraduate students for their work in their product development projects with industrial companies, the postgraduate students in their research on the activities and techniques in product development, and in particular the people in the companies who collaboratedintheseprojects.Examplesfromsomeoftheseprojectsareusedin thechapters.ThestaffatMasseyUniversityinvolvedinproductdevelopmentin the Food Technology Department, Food Technology Research Centre and the Department of Consumer Technology, built up the multidisciplinary, consumer directed, systematic PD Process used throughout the book. Part I starts by looking at the different categories of new food products. It thenidentifiespastreasonsforproductsuccessandproductfailure,andasksthe reader to identify some of the specific reasons for product success and product failure in their company. This is to stimulate thoughts on PD in particular companiesandtolaythebasisforstudyingthecoreelementsinPDandrelating thesetotheproblemsofPDmanagement.Itendsbyidentifyingspecificaspects of product development in the food industry. Part II in four chapters studies the core elements of product development: 1. Developing an innovation strategy 2. PD Process(es) 3. Knowledge base for product development 4. Consumer in product development. Product development at both the programme and the project levels needs to be based on the business strategy. It is the responsibility of top management and they need to set the strategies for the product development programme for the present and future years, and also the aims for the individual projects. Top management needs to ensure that there are systematic PD Processes for the differentlevelsofinnovationandtypesofproducts.Havingsetthestrategyand the PD Process, they need to ensure that there is the necessary product, processing, distribution and marketing knowledge in the company, and also the abilitytocreate newknowledgeindesign,developmentandcommercialisation. Preface xi Finally there needs to be an understanding and consideration of the final consumer – their needs, wants, behaviour and attitudes – as well as the other customers in the food system between the producer and the consumer. Part II studies these core areas, so that the reader develops a basic understanding of product development. PartIIIstudiesPDingeneralandtheninthefoodsystem.Managingproduct development in the food industry varies with the types of markets (industrial, food service and consumer) and with the place of the company in the food system (primary producer, food processor, food manufacturer, retailer). Top management needs to recognise these variations and also identify their level of risk and the company’s resources in skills and knowledge. From this, they can build an organisation for product development and also identify the decisions that they have to make in the programme building and during the individual projects.Theycanthenspecifyforthemiddlemanagement thecriticalpointsin the PD Process and the knowledge that must be available for their decisions at the critical points. From this, the middle management, called product development manager, product manager, R&D manager, can identify the aims, activities and outcomes for the individual stages in projects, and also the coordinated plan for the product development programme. The project leader can identify the techniques to be used in the project, the resources needed and thetimeschedule.Forsuccessfulproductdevelopmentmanagement,thesethree layersofmanagementneedtobecoordinatedandaimingforthesameoutcomes from the product launch. Four case studies illustrate management at different stages of the food system, including fresh products, industrial products and manufactured consumer products. The book ends with a chapter on evaluating and improving product development. Product development management must includethecollectionofknowledgefromtheproject,analysisofthisknowledge and setting improvements for future projects. Product development is continuously changing and its management needs to change; without change, not only the products but also the whole system become archaic and lost in the past. This book is intended for people entering or in product development management, at all levels from the project leader to top management. Throughout the book, readers are asked to apply the knowledge in the chapter totheircompany,sothattheycandeveloptheirownphilosophyandmethodsfor productdevelopment.Thisisnotabookontechniquesofproductdevelopment; it is a book to raise the awareness of different aspects of product development and to apply the new or revived knowledge in the practical situation of managing product development in a food company. Mary Earle Richard Earle Allan Anderson Contents Preface ix Part I Introduction ................................................. 1 1 Keys to new product success and failure ......................... 3 1.1 Food products – the basis of innovation ..................... 3 1.2 Measures of product success and failure ..................... 10 1.3 Key factors in product success ............................... 16 1.4 Product development process: the basis for success .......... 20 1.5 Managing for product success ............................... 26 1.6 Relating to consumers and markets: the key to product success .............................................. 31 1.7 Knowledge of society, industry and technology .............. 32 1.8 Product development management in the food industry ...... 36 1.9 Basis and structure of the book .............................. 37 1.10 References ................................................... 38 Part II Key requirements for successful product development 43 2 Developing an innovation strategy ................................ 45 2.1 Possibilities for innovation ................................... 46 2.2 Incorporating innovation into the business strategy .......... 59 2.3 Building up the innovation strategy .......................... 64 2.4 Getting the innovation strategy right ......................... 69 2.5 Focusing the product development programme .............. 78 2.6 Developing the product development strategy ............... 85 vi Contents 2.7 Planning the product development programme .............. 91 2.8 References ................................................... 93 3 The product development process ................................ 95 3.1 Product strategy ............................................. 96 3.2 Product design and process development .................... 111 3.3 Product commercialisation ................................... 118 3.4 Product launch and evaluation ............................... 123 3.5 Service in product development ............................. 130 3.6 Where is the product development process going? .......... 144 3.7 References ................................................... 146 4 The knowledge base for product development ................... 149 4.1 Technology, knowledge and the food system ................ 150 4.2 Knowledge management or knowledge navigation? ......... 157 4.3 Necessary knowledge for product development .............. 165 4.4 Tacit knowledge in product development .................... 176 4.5 Creating knowledge in product development ................ 183 4.6 References ................................................... 192 5 The consumer in product development .......................... 194 5.1 Understanding consumer behaviour .......................... 195 5.2 Understanding food choice .................................. 203 5.3 Consumers’ avoidance and acceptance of new products ..... 207 5.4 Integrating consumer needs and wants in product development 209 5.5 Sensory needs and wants in food product development ...... 219 5.6 Consumers in Stage 1: Product strategy development ....... 223 5.7 Consumers in Stage 2: Product design and process development ................................................. 236 5.8 Consumers in Stage 3: Product commercialisation ........... 245 5.9 Consumers in Stage 4: Product launch and evaluation ....... 250 5.10 References ................................................... 253 Part III Managing and improving product development ....... 257 6 Managing the product development process ..................... 259 6.1 Principles of product development management ............. 260 6.2 People in product development management ................ 262 6.3 Designing the PD Process ................................... 267 6.4 Establishing key decision points and the decision makers ... 271 6.5 Establishing outcomes, budgets and constraints .............. 276 6.6 Organising the PD Process .................................. 287 6.7 Managing the PD Process ................................... 299 6.8 Company organisation for product development ............. 307 6.9 References ................................................... 314