By Dan A. Kimball
Citrus juices represent nearly all of the fruit juices fed on within the usa and around the globe. in addition to the remainder of the fruit juice undefined, they playa significant function within the complete nutrition besides. having said that prominence, few texts were written on qc know-how; and many of the texts were written by means of researchers who may perhaps own nice technical ability yet more often than not are much less acquainted with day-by-day regimen qc difficulties and con cerns than quality controls technologists are. however, quality controls technologists and executives in general wouldn't have the time and/or the expertise to jot down books or converse via clinical literature. the writer well-known the necessity for an up to date, accomplished, and simply understood textual content on citrus quality controls. this article has been designed for use not just via processors, bottlers, canners, and others curious about the citrus in dustry, however it may be of worth to teachers and scholars of citrus expertise. Researchers can even locate price within the foundations laid down via the textual content, es pecially in regard to the wishes and issues of the processing undefined. additionally, specialists and advertising body of workers can be vastly helped by means of figuring out the thoughts of this quantity. people in similar industries will also locate many functions that may be simply tailored to their needs.
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Extra info for Citrus Processing: Quality Control and Technology
Agric. , 31,182. Chapter 3 Acids in Citrus Juices Acids playa vital role in the quality of citrus juices, second only to the Brix in importance. They give the characteristic tartness or sourness of citrus products and have been acclaimed for their effectiveness as thirst quenchers. These acids and their salts replace many of the acids and salts lost by the body through vigorous exercise. Acids in citrus fruits are formed from the energy-releasing citric acid cycle common to all life forms. This respiratory process, also known as the Krebs cycle or tricarboxylic acid cycle, breaks down stored carbohydrates to carbon dioxide and various organic acids, as shown in Fig.
What would be the final Brix after blending the following blend components? Could this product be used to make Grade A Frozen Concentrated Orange Juice according to USDA standards? 3 9. 8°Brix? 10. 3°Brix. How many gallons of cutback juice do you need? Suppose that concentrate A is at 19 ° F, concentrate B is at 3 ° F, and the cutback juice is at 34°F. How many gallons of cutback juice do you now need in order to make the same FCOJ at 15°F? (52 gal/drum, °C = (OF - 32)5/9) REFERENCES Balling, C.
What is the standard GPL error range? 9. What are the standard GPL values for lemon or lime concentrates? 10. What is the difference between SPG values and GPL values when it comes to blend calculations? PROBLEMS 1. 781ON NaOH solution? 2. 1562N Hel solution was being titrated. 1562N NaOH? 3. 3125N NaOH solution was used to titrate 10 ml of singlestrength lemon juice. What is the % acid? 4. 60 mark. What is the % acid? 5. 42 ml of NaOH solution in the titration? 54 CITRUS JUICE CHARACTERISTICS 6.
Citrus Processing: Quality Control and Technology by Dan A. Kimball