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ABSTRACT
Fruit juices are very nutritive, invigorating and non-alcoholic beverage, which is very well liked throughout the world. Juice may be squeezed directly from fruits or may be extracted by water. These juices can be used in their natural concentrations or in processed form. They are very scrumptious and palatable and they have most of the minerals necessary for growth and development, like calcium, magnesium, phosphorus, and sodium and vitamins especially vitamin C (Food and Drug Administration (FDA), 1999). However, these processed juices contain mainly water, sugar, preservatives, color, fruits pulps and other additives as ingredients and must maintain sanitary standard (Doyleet al., 2001). The most commonly used preservatives are benzoic acid, sorbic acid, or sulphur dioxide (Nahar et al., 2006). Natural colors such as anthocynins and betanin are used (Wareing and Dvenport, 2005). Acid is an essential universal constitution of fruit drinks (Renard, 2008). The most commonly used acid is citric acid. Fruit juices contain a micro flora which is normally present on the surface of fruits during harvest and post harvest processing which include transport, storage, and processing (Tournas et al., 2006). Many microorganisms such as acid tolerant bacteria and fungi (moulds, yeasts) use them as a substrate for their growth. Yeasts form the main flora of fruits before processing because of acidic pH. The major genera includeCandida, Dekkera, Hanseniaspora, Pichia, Saccharomyces, andZygosaccharomyces. Penicillium, Byssochlamys, Aspergillus, Paecilomyces,Mucor, Cladosporium, Fusarium, Botrytis, Talaromyces, and Neosartorya are filamentous fungi most frequently isolated from fresh fruits and juices. Among bacteria, lactic acid bacteria and acetic acid bacteria have been isolated from fruit juices (International Commission on Microbiological Specification for Food (ICMSF), 2005).
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SIMILAR MICROBIOLOGY FINAL YEAR PROJECT RESEARCH TOPICS
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1. THE IDENTIFICATION OF PREVALENCE MICROBES ASSOCIATED WITH FROZEN FISH MARKETED IN OWERRI METROPOLIS
» ABSTRACT Aquaculture products can harbour pathogenic bacteria, which are of the natural micro flora of the environment. An in vitro assay was carried ...Continue Reading »Item Type & Format: Project Material - Ms Word | 52 pages |
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2. ANTIMICROBIAL PROPERTIES OF CHLORINE AND ALCOHOL DISINFECTANTS
» CHAPTER ONE INTRODUCTION 1.1 Background of the study Antiseptics and disinfectants are used extensively in hospitals and other health care settings fo...Continue Reading »Item Type & Format: Project Material - Ms Word | 52 pages |
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3. THE PRODUCTION AND STUDY OF SHELF LIFE OF YOGURT WITHOUT PRESERVATIVE.
» CHAPTER ONE 1.0 INTRODUCTION Yogurt is a fermented milk product that contains the characteristics of bacterial cultures lactobacillus bulgaricus and s...Continue Reading »Item Type & Format: Project Material - Ms Word | 25 pages |
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4. COMPARATIVE STUDY OF ANTIBACTERIAL ACTIVITY OF TWO SELECTED MEDICATED SOAP AND ONE LOCAL BLACK SOAP ON STAPHYLOCOCCUS AUREUS FROM WOUND INFECTION
» ABSTRACTTwo medicated soaps and one local soap were investigated for their antibacterial activities against Staphylococcus aureus. Identification of t...Continue Reading »Item Type & Format: Project Material - Ms Word | 52 pages |
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5. DETOXIFICATION AND ANTI-NUTRIENT REDUCTION OF JATROPHA CURCAS SEED CAKE BY FERMENTATION USING BACILLUS SPECIES
» ABSTRACT Jatropha curcas seed cake is a by product generated from the oil extraction of J. curcas seed a biodiesel producing plant‘s seed. Altho...Continue Reading »Item Type & Format: Project Material - Ms Word | 112 pages |
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6. ASSESSING THE POTENTIAL OF ASPERGILLUS FLAVUS AND PENICILLIUM SP IN REMOVING MERCURY, ZINC AND CHROMIUM FROM RAW REFINERY EFFLUENTS
» ABSTRACT This study was carried out to evaluate the potential of Aspergillus flavus and Penicillium sp in removing Zinc, Mercury and Chromium from raw...Continue Reading »Item Type & Format: Project Material - Ms Word | 93 pages |
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7. BACTERIOLOGICAL STUDY OF SACHET WATER SOLD IN OWERRI METROPOLIS
» ABSTRACT Water is one of the indispensable resources for the continued existence of all living things including man. The provision of an adequate supp...Continue Reading »Item Type & Format: Project Material - Ms Word | 52 pages |
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8. A SURVEY OF MALARIA VECTORS AND PARASITES IN AGUOWA COMMUNITY, ENUGU - EAST LOCAL GOVERNMENT AREA, ENUGU STATE, SOUTH EASTERN NIGERIA
» ABSTRACT The study set out to determine the presence of mosquito vectors of malaria, prevalent Plasmodium species as well as some blood parameters rel...Continue Reading »Item Type & Format: Project Material - Ms Word | 69 pages |
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9. BIOREMEDIATION OF EFFLUENT FROM KADUNA REFINERYAND PETROCHEMICAL COMPANY USING CLADOSPORIUM SPECIES
» ABSTRACT This study investigated the potential bioremediation ability of Cladosporium species in hydrocarbon contaminated wastewater. Hydrocarbon cont...Continue Reading »Item Type & Format: Project Material - Ms Word | 52 pages |
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10. PHYTOCHEMICAL AND ANTIMICROBIAL SCREENINGOF THE STEM BARK EXTRACT(S) OFINDIGOFERA ARRECTAHOCHST EX A. RICH(FABACEAE)
» ABSTRACT The Pulverized stem bark of Indigofera arrectawas exhaustively extracted with methanol and concentrated in vacuo using rotary evaporator at 4...Continue Reading »Item Type & Format: Project Material - Ms Word | 94 pages |
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