The effect of extraction parameters on antioxidant activity of Cosmos caudatus / (Record no. 4078)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02307nam a2200253 a 4500 |
| 001 - CONTROL NUMBER | |
| control field | vtls000075722 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | KUKTEM |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20251114204545.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 131023t2013 my da f abm 000 0 eng d |
| 020 ## - INTERNATIONAL STANDARD BOOK NUMBER | |
| International Standard Book Number | THE0002233(Local) |
| 039 #9 - LEVEL OF BIBLIOGRAPHIC CONTROL AND CODING DETAIL [OBSOLETE] | |
| Level of rules in bibliographic description | 201905241048 |
| Level of effort used to assign nonsubject heading access points | shamsul |
| -- | 201310231455 |
| -- | nabilah |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | UMP |
| 090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) | |
| Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) | QK898.A57 B33 2013 rs Bc. |
| 100 0# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Badariah Mohd Nasir |
| 245 14 - TITLE STATEMENT | |
| Title | The effect of extraction parameters on antioxidant activity of Cosmos caudatus / |
| Statement of responsibility, etc. | Badariah Mohd Nasir |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. | |
| Place of publication, distribution, etc. | Kuantan, Pahang : |
| Name of publisher, distributor, etc. | UMP, |
| Date of publication, distribution, etc. | 2013 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | xiii, 59 p. : |
| Other physical details | ill. ; |
| Dimensions | 30 cm. + |
| Accompanying material | 1 CD-ROM |
| 502 ## - DISSERTATION NOTE | |
| Dissertation note | Project paper (Bachelor of Chemical Engineering (Biotechnology)) -- Universiti Malaysia Pahang – 2013 |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE | |
| Bibliography, etc. note | Bibliography : p. 45-51 |
| 520 3# - SUMMARY, ETC. | |
| Summary, etc. | The present of natural antioxidant in plant is well known and Cosmos caudatus is one of the plants that have high content of antioxidant. The objective of this study was to investigate the effect of operating conditions on extraction of total antioxidant compound (TAC) from C. caudatus. TAC was extracted using 70 % (v/v) acetone as the solvent for 4, 8 hour and 12 hours. C. caudatus was then extracted at different to solid to solvent ratio of 1:20, 1:25 and 1:30 (w/v). Finally, C. caudatus was extracted at different extraction temperature (60, 80 and 100 oC) for 30 min. The results show that the best extraction time to extract the TAC was after 8 hour extraction using solvent to sample ratio of 1:30 (w/v) and 66 oC of extraction temperature. The TAC obtained was 28.8 mg AAE/g with the corresponding of 10.1% of its antioxidant activity. However, when considered the extraction temperature, the highest value of TAC (19.5 mg AAE/g) was observed in extraction at 80o C after 30 minute and for temperature 60 and 100 oC the TAC were 16.4 and 17.1 mg AAE/g. In HPLC analysis using the ratio sample to solvent at 8 hour, the highest TAC was at 1:30 (2.368 mg AAE/g) and also for the extraction temperature 80 oC has highest TAC (1.84611 mg AAE/g). This trend was similar with the result obtained from DPPH assay where 1:30 (w/v) and at 80 oC extraction has highest TAC. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Antioxidants |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Compositae |
| Withdrawn status | Lost status | Damaged status | Not for loan | Home library | Current library | Date acquired | Total checkouts | Full call number | Barcode | Date last seen | Copy number | Price effective from | Koha item type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Not lost | Not for loan | UMPLIB GAMBANG | UMPLIB GAMBANG | 04/09/2019 | QK898.A57 B33 2013 rs Bc. | 0000076226 | 04/09/2019 | 1 | 04/09/2019 | Final Year Report | |||
| Not lost | Not for loan | UMPLIB GAMBANG | UMPLIB GAMBANG | 04/09/2019 | CD 7373 | QK898.A57 B33 2013 rs Bc. | 0000076227 | 04/09/2019 | 1 | 04/09/2019 | Final Year Report |