Chemical Aspects Of Rice Grain Quality

Production and utilization. Structure and gross composition of the rice grain. Chemical constituents. Nutritive value of rice and rice diets. Processing. Grain quality evaluation. Varietal quality types. Processed products. Bran. Hull and straw.

Cereal uses range from human food and beverages to animal feeds and industrial products. It is human food and beverages which are the predominant uses covered in this book, since the nutritional quality of cereals for animal feed is described in other publications on animal nutrition, and industrial products are a relatively minor use of cereals. Cereals are the main components of human diets and are crucial to human survival. Three species, wheat, rice and maize, account for the bulk of human food. Barley is the major raw material for beer production and ranks fourth in world production. Other species such as sorghum are regionally important. This book covers all the major cereal species: wheat, rice, maize, barley, sorghum, millet, oats, rye and triticale. Specific chapters have been devoted to a description of the major end-uses of each of the species and to definition of the qualities required for each of their end uses. The functional and nutritional quality of cereals determines their suitability for specific purposes and may limit the quality of the end product, influencing greatly the commercial value of grain. An under standing of the factors that determine grain quality is thus important in the maintenance of efficient and sustainable agricultural and food production. The biochemical constituents of the grain that determine quality have been described in chapters on proteins, carbohydrates and other components. An understanding of the relationships between grain composition and quality is important in selecting grain for specific uses.

Rice quality in world markets; Consumer demand for rice grain quality in Southeast Asia; Utilization characteristics and qualities of United States rice; Effect of environment and variety on milling qualities of rice; Effect of variety and environment on milling quality of rice; Breeding for high-yielding rices of excellent cooking and eating qualities; Recommendations.

Rice is a unique and highly significant crop, thought to help feed nearly half the planet on a daily basis. An understanding of its properties and their significance is essential for the provision of high quality products. This is all the more true today as international trade in rice trade has been increasing rapidly in recent years. This important book reviews variability in rice characteristics and their effects on rice quality. After an introduction on rice quality that also explores paradoxes associated with the crop, the book goes on to examine rice physical properties and milling quality. This leads to a discussion of the effects that the degree of milling has on rice quality. The ageing of rice and its cooking and eating quality are investigated in the following chapters before an analysis of the effect of parboiling on rice quality. Later chapters consider the product-making and nutritional quality of rice and investigate speciality rices and rice breeding for desirable quality. The book concludes with an extensive chapter on rice quality analysis and an appendix containing selected rice quality test procedures. With its distinguished author Rice quality: a guide to rice properties and analysis proves an invaluable resource for professionals in the rice industry and researchers and post-graduate students interested in rice. Examines the physical properties of rice, such as grain appearance and density and friction Investigates the ageing of rice and its cooking and eating quality The product making and nutritional aspects of rice are also considered

Introduction; Materials and methods; Results and discussion; Asia; North, Central, and South America; South America; Europe; Africa; Oryza glaberrima and other wild rices; General disucssion and conclusions; Institutions and organizations supplying rice samples; Sources of 1990 grain quality information in national programs; Cross reference index of variety names; Acronyms of rice varieties/lines.

During the 10 years that have passed since the first edition of Rice: Production and Utilization was published in 1980, much new information on processing and utilization of rice cereal has apeared in the liter ature. The 15 chapters of Volume 2 cover rice flours in baking, rice e nrichment, parboiled rice, rice quality and grades, quick-cooking rice, canning, freezing and freeze-drying rice breakfast cereals and baby foods, fermented rice products, rice snack foods, rice vinegar, rice h ulls, rice oil, and rice bran. A chapter on the nutritional quality of rice endosperm is also presented.

This thoroughly revised second edition addresses the full spectrum of cereal grain science, employing agronomic, chemical, and technological perspectives and providing new and expanded treatment of food enrichment techniques, nutritional standards, and product quality evaluation. Written by over 40 internationally respected authorities, the