MARC details
| 000 -LEADER |
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| fixed length control field |
02328nam a2200265 a 4500 |
| 001 - CONTROL NUMBER |
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| control field |
vtls000045070 |
| 003 - CONTROL NUMBER IDENTIFIER |
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| control field |
KUKTEM |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20251114204455.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
100203t2009 my a f m 00| 0 eng|d |
| 020 ## - INTERNATIONAL STANDARD BOOK NUMBER |
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| International Standard Book Number |
THE0004007(Local) |
| 039 #9 - LEVEL OF BIBLIOGRAPHIC CONTROL AND CODING DETAIL [OBSOLETE] |
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| Level of rules in bibliographic description |
201905151038 |
| Level of effort used to assign nonsubject heading access points |
fauzi |
| Level of effort used to assign subject headings |
201108030948 |
| Level of effort used to assign classification |
Fida |
| Level of effort used to assign subject headings |
201107132306 |
| Level of effort used to assign classification |
VLOAD |
| Level of effort used to assign subject headings |
201002081446 |
| Level of effort used to assign classification |
ida |
| -- |
201002031449 |
| -- |
ida |
| 040 ## - CATALOGING SOURCE |
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| Original cataloging agency |
UMP |
| 090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) |
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| Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) |
TP156.E8 F57 2009 rs Bc. |
| 100 0# - MAIN ENTRY--PERSONAL NAME |
|---|
| Personal name |
Mohd Firdaus Mustakim |
| 245 10 - TITLE STATEMENT |
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| Title |
Soxhlet extraction of ascorbic acid from guava / |
| Statement of responsibility, etc. |
Mohd Firdaus Mustakim |
| 246 3# - VARYING FORM OF TITLE |
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| Title proper/short title |
Soxhlet extraction of ascorbic acid from guava |
| Medium |
[computer file] |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. |
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| Place of publication, distribution, etc. |
Kuantan, Pahang : |
| Name of publisher, distributor, etc. |
UMP, |
| Date of publication, distribution, etc. |
2009 |
| 300 ## - PHYSICAL DESCRIPTION |
|---|
| Extent |
51 p. : |
| Other physical details |
ill. (some col.) ; |
| Dimensions |
30 cm. + |
| Accompanying material |
1 computer disc |
| 502 ## - DISSERTATION NOTE |
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| Dissertation note |
Project paper (Bachelor of Chemical Engineering) -- Universiti Malaysia Pahang - 2009 |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE |
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| Bibliography, etc. note |
Bibliography : p. 32-35 |
| 520 3# - SUMMARY, ETC. |
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| Summary, etc. |
Natural antioxidant has gained interest among consumers and the scientific community due to their benefits as inhibitor cardiovascular disease and cancer. In this research, the extraction of antioxidants from guava with soxhlet extraction process has been studied. The effect of drying temperature, solvent polarity, and particle sizes of guava on extraction yields were investigated. Analysis of ascorbic acid content was performed using HPLC. The drying temperatures used were 32°C, 50°C, 60°C and 70°C. The solvents utilized were methanol, ethanol, hexane and pentane. In terms of particle, it was set at 1.0 mm, 3.0 mm, 5.0 mm and 10.0 mm. The results showed that the drying temperature at 50°C gave the highest yield of ascorbic acid which is 38.353mg/l, while using methanol as solvent yield 34.123 mg/l. It indicates that the relation between solvent polarities and yield of ascorbic acid were directly proportional. The particle size of guava was inversely proportional with the extraction yield of ascorbic acid where using 1.0 mm particle size gave 23.546 mg/l amount of ascorbic acid. This study indicated that natural antioxidant from guava has a big potential as an alternative source of antioxidant in order to replace the synthetic antioxidant in current market. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Vitamin c |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Extraction (Chemistry) |