Abstract
Indonesia is a country with a majority of Muslim population. As a Muslim majority country, providing halal products becomes a liability. The problem that has received a lot of attention right now is the concern that contamination of food products by meat, one of them is dog meat. The purpose of this study was to authenticate dog fat by using Gas Chromatography-Mass Spectrophotometry (GC-MS)combined with chemometrics. 
 
 Dogs that used in the study were taken from Bantul, Yogyakarta. Dog snacks were heated in an oven at 90-100ᵒC for approximately one hour. Oils / fats obtained from derivatization process was carried out by using NaOCH3 and BF3. The methyl ester compound was injected into the GC-MS instrument system.
 
 The Results of this study was dog fat that analyzed by GC-MS contains 9 types of fatty acids, namely: lauric (1.19 ± 0.25)%, myristate (4.33 ± 0.30)%, pentadekanoate (0.12 ± 0.02)%, palmitoleate (4.60 ± 0.07)%, palmitate (12.80 ± 2.90)%, margarate (0.13 ± 0.09)%, oleate (44 , 33 ± 5.22)%, stearic (14.71 ± 0.32)%, and arachidonic (1.29 ± 0.11)%. Total content of fatty acids in dogs was 50.22% and saturated fatty acids were 33.03%. Chemometric grouping with the Principles Component Analysis (PCA) shows that dog fat is very close to lard. The fatty acids that contained in dog fat can be used to authenticate dog meat.
Highlights
Along with rising incomes lead to demand for meat consumption in various regions of Indonesia have increased
Increased consumption of meat in Indonesia includes halal meat such as beef and non-halal meat such as dog meat which in some areas is a local food that is in great demand by the public (Rahayu, et al, 2018)
This can be seen from the number of processed dog meat vendors that are provided every week for slaughter
Summary
Along with rising incomes lead to demand for meat consumption in various regions of Indonesia have increased. Increased consumption of meat in Indonesia includes halal meat such as beef and non-halal meat such as dog meat which in some areas is a local food that is in great demand by the public (Rahayu, et al, 2018). This can be seen from the number of processed dog meat vendors that are provided every week for slaughter. The dog meats that have been slaughtered processed into various types of food including meatballs, rendang and sausages sold in various restaurants in Bandung (Guntarti et al, 2015)
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