Suhartono, William (2012) Comparison on volatile profiles and sensory preference of ipb-9 and ipb-6x9 papayas (Carica papaya L.). Bachelor thesis, Universitas Pelita Harapan.
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Abstract
As an institute which works on obtaining good fruit cultivars from Indonesia, it is important for Pusat Kajian Buah Tropika (PKBT) to document the varieties' profiles of tropical fruits, including their aroma active compounds. One variety and one thread of papaya (Carica papaya L.), Callina (IPB9) and IPB6x9 respectively, were chosen in this research to be observed. As a comparison, a well-known papaya variety called Bangkok, was also analyzed. In this research, the volatile compounds were determined using Gas Chromatography—Mass Spectrometry (GC-MS) while the aroma active compounds have been confirmed by using Gas Chromatography-Olfactometry (GC-0). Hedonic test was also conducted to study the sensory acceptance to the volatile profiles of each papaya. In order to know which cultivar was liked, more comparing one to another, a ranking test was also conducted. There were 25 volatile compounds, which usually detected in papaya, have been identified in Bangkok papaya extract. Meanwhile there were 21 and 17 in IPB9 and IPB6x9 respectively. Important volatile compounds detected were alcohols, esters, aldehydes, and sulfur containing compounds. The result of GC-0 showed there were 4 aroma active compounds (butanoic acid, acetophenone, linalool oxide (pyranoid), 6- octalactone), which contributed to stinky and floral aroma, detected from Bangkok, 3 (y-hexalactone, y-hexalactone, and 6-octalactone) from IPB9 which contributed to floral, herbal, and sweet aroma, and 2 (butanoic acid and benzyl isothiocyanate) from IPB6x9 which contributed to stinky and smokey aroma. IPB9 and Bangkok cultivars appeared to be the most preferred in term of their color, taste and overall attributes. The texture of IPB9 was the most preferred while the texture preference between Bangkok and IPB6x9 was not significantly different. The ranking test result showed that there was no significant difference of preference between IPB9 and Bangkok. IPB6x9 came as the least preferred.
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Suhartono, William UNSPECIFIED UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Wijaya, C. Hanny UNSPECIFIED UNSPECIFIED Thesis advisor Wijaya, Julia Ratna UNSPECIFIED UNSPECIFIED |
Additional Information: | SK 34-08 SUH c |
Uncontrolled Keywords: | papaya; GC-MS; GC-O; hedonic test; rank test |
Subjects: | T Technology > TP Chemical technology > TP368-456 Food processing and manufacture |
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology |
Depositing User: | Users 6 not found. |
Date Deposited: | 05 Oct 2018 03:10 |
Last Modified: | 26 Nov 2021 04:10 |
URI: | http://repository.uph.edu/id/eprint/1442 |