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COCONUT HUSK as an Alternative Retardant in the
Decomposition of the Human Body
National Bureau of Investigation
Forensic ServicesMedico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
IntroductionChapter 1
Introduction
Philippines is known to be a country prone to natural disasters
Philippines ranks as the third most disaster-prone country in the world
These disasters include deadly typhoons, earthquakes and volcano
eruptions.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
Background of the Study
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
A good example would be the landfall of the typhoon
Haiyan (also known as typhoon Yolanda) last November 8,
2013, in which thousands of people died in the eastern part of
the Visayas region (including Tacloban).
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
Tacloban City after the landfall of Typhon Haiyan
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LASALLE UNIVERSITY
The decomposition of the human body occurs
immediately after death. Decomposition of an exposed
cadaver is a continuous process, beginning at the
moment of death and ending when the body is reduced
to a dried skeleton [3].
In this light, the Disaster Victim Identification
(DVI) is one of the respondents when it comes to mass
disaster with the purpose of identifying and
repatriating all victims and body parts.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
“The identification of dead bodies is done by
matching information of the deceased (physical features,
clothes, etc.) with information from individuals who are
missing or presumed dead[5].”
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Number of studies have been conducted on various factors such as:
body size (Hewadikaram, 1991 as cited by Tumer et al., 2013)
humidity (Archer MS, 2004 as cited by Tumer et al., 2013)
temperature (Megyesi MS, 2005 as cited by Tumer et al., 2013)
microbiological activity (Tibbette, 2004 as cited by Tumer et al.,
2013)
conditions where carcass was found (Ayers, 2010 as cited by Tumer
et al., 2013)
soil pH (Haslam, 2009 as cited by Tumer et al., 2013)
moisture (Micozzi, 1997 as cited by Tumer et al., 2013)
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Many alternatives have been used to delay the decomposition but
most of it are not easy to employ. Exploring possible alternative
retardants for human body decomposition has not been established
fully.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut husk is one of the major agro industrial wastes
generated by developing countries each year. Other possible
utilization of coconut husk is being targeted. One of which is to
maximize its use as a retardant in human body decomposition
due do its antimicrobial activity [7].
Objectives of the Study• This study aims to prove the effectiveness of coconut husk as an alternative
retardant in the decomposition of the human body.
• This study aims to enumerate the different chemical compositions of coconut
husk.
• To prove the antimicrobial activity of coconut husk that aid in retarding the
human body decomposition.
• The study aims to produce a certain retardant in a form of powder that can be
applied directly to the skin of the cadavers.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Significance of the StudyThis study will be beneficial to the Forensic Science in the Philippines.
This will aid the time constraint problems and financial aspect that the DVI
teams are facing when identifying a large group of cadavers (due to the fast
decomposition of the human body).
Also, this will help the family members of the victims of any disaster in a
way that it will promote peace of mind and will at least lessen the burden and
worry they feel once their deceased relatives had been identified.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Scope and LimitationsThe study focuses only on the application of coconut husk in
retarding the human decomposition specifically the physical
appearance of the cadavers. One external factor particularly the
microbes affecting the human decomposition is considered.
Internal decomposition is not part of the research specifically the
mechanism of putrefactive bacteria. Also, this limits its control in
the Philippines, a tropical country, and where natural disasters
likely to occur.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Review of Related Literature
Chapter 2
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Defining DecompositionDecomposition is a process of tissue breakdown as well as the
participation of autolysis, putrefaction and with superimposed insect
activity.
5 stages namely:
1. Fresh
2. Bloated
3. Decay
4. Post decay
5. Skeletal remains
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
5 Stages of Decomposition
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Enumerating the Factors Affecting the Human Decomposition body size (Hewadikaram, 1991 as cited by Tumer et al., 2013)
humidity (Archer MS, 2004 as cited by Tumer et al., 2013)
temperature (Megyesi MS, 2005 as cited by Tumer et al., 2013)
microbiological activity (Tibbette, 2004 as cited by Tumer et al., 2013)
conditions where carcass was found (Ayers, 2010 as cited by Tumer et al., 2013)
soil pH (Haslam, 2009 as cited by Tumer et al., 2013)
moisture (Micozzi, 1997 as cited by Tumer et al., 2013)
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Temperature Moisture
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Body exposed on the surface decomposed
quickly compared to a body buried in the soil
[3]. Clothing and other coverings also insulate
a body from the environment and reduce
conduction and convection [8].
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Obesity accelerates the decomposition of human
body, the rate of cooling is slowed down by
subcutaneous and abdominal fat because it has an
insulating property.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
MicrobesMicrobes present in the skin
Factors that affect microbial growth
Phenolic Effects on Microbes
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Staphylococcus epidermis
Staphylococcus aureus
Eurotium Repens
Klebsiella pneumoniae
Acinobacter baumannii
Pseudomonas aeruginosa
Microbes Present at the skin of the cadavers:
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Oxygen concentr
ationPressure
Osmotic Pressure
Temperature
pH Scale
Factors that affect microbial growth
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Phenolic type of antimicrobial agents: antiseptic, disinfectant and preservative properties
• “General proplasmic poisons”
• Cause progressive leakage of intracellular consitituents
• Lysed rapidly growing cultures
• Young bacterial cells being sensitive to phenols
Phenolic effects on Microbes
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Enumerating the Common Retardants
Formalin is an aqueous formaldehyde solution (40% HCHO
by volume or 37% HCHO by weight). Also known as methylene
glycol or methanol. It is traditionally used in the fixation and
preservation of tissues and whole specimens.
Hydrated Lime also known as calcium hydroxide or slaked
lime. Hydrated lime has the property to harden in reaction with
carbon dioxide, this process is also known as carbonation.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Ice, In places where there is constant snow and ice,
bacteria or insects are unable to attack the human remains. In
this condition, the cells are frozen in place and preventing from
decay.
Bog consists of decayed vegetal materials which inhibits
the decomposition due to constant moisture, acidic nature
and anaerobic condition. The preservation is aided by
mosses in the bog which acts as an anti-bacterial.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Sand is great for preservation because it absorbs the
body fluids. Without moisture, bacteria cannot break
down the body. The heat in sandy regions aids in drying
and preserving (Ibid).
DEFINING THE COCONUT FRUITThe coconut (Cocos nucifera L.
family Arecaceae) is a well distributed fruit
tree all around the world, providing food,
especially in the tropical and subtropical
regions and for its many uses it is often
called the “tree of life” [11].
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
Cocos Nucifera also known as Coconut Fruit
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Parts of the Coconut Fruit
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut Husk Fiber/ Coir Fiber Fibrous material found between the leathery covering
and the coconut shell.
The natural color of the coir varies depending on the
variety and maturity of the nut and the processing
conditions.
The fibers are stiff, coarse, resilient, pliable and
resistant to bacterial attack. They are very resistant
next to the black fibers of the sugar palm,
Arengasaccharifera(Copeland, 1931).
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut Husk Fiber
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Chemical CompositionCONSTITUENT PERCENT
Moisture 15.0
Lignin 43.0
Ash 8.26
Alkalinity of ash (as K2O) 37.5
Table 1 Shows the Composition of Coconut Husk
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coir dust is a light and fluffy material that falls off from the
mesocarp of the coconut fruit when it is shredded during
the coir processing.
Its constituents include cellulose, hemicelluloses and
extractives such as pectins and tannins. The constituents
present make coir dust a useful adsorbent or natural ion
exchanger because of the hydroxyl and carboxyl groups
present in its composition [19].
Coconut Husk Dust/ Coir Dust
Coconut Husk Dust
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Chemical CompositionTable 2 Shows the
Composition of Coconut Dust
PERCENT (DRY BASIS)
CONSTITUENT A B
Moisture 15.38 20.0
Ash 6.19
Cellulose 24.25
Pentosan 27.31 10.4
Furfural 17.40
Lignin 54.78 33.33
N 0.3
CaO 0.4
P2O5 0.5
K2O 0.9
Table 3 Composition of coir dust
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Antimicrobial Activity of Coconut Husk
National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
The husk material specifically has phenolic compounds:
• 4-hydroxybenzoic acid • Ferulic acid (4 hydroxyl-3-
Methoxy-trans-cinnamic acid)
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Bioactive components: • Tocopherol • Palmitoleyl Alcohol, • B-sitosterol, • Cycloartanol
Highest inhibition• E.coli
(benzene) • S. typhi
(diethyl ether)
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
• Gallic acid• Ellagic acid• Catechin• Epicatechin• Procyanidin
dimer 1 & 2
“Gallic acid showed MIC of 39 μg/mL and minimal bactericidal concentration (MBC) at 78 μg/mL. Ellagic acid was not active against the tested strains, as well as catechin and epicatechin.”
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Bacteria Laboratory Field
Pseudomonas sp.
10 mm 8 mm
Alteromonas sp. 11 mm 8 mm
Gallionella sp 8 mm 7 mm
Growth of Biofilm-forming bacteria was inhibited by coconut husk extract
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
MethodsChapter 3
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Production of Coconut Husk Retardant
Harvesting
Dehusking
Washing
Sun Drying Grinding
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Harvesting Fresh Coconut in a Province in the Philippines
Dehusking of Coconut Husks
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Washing of water Ground coconut husksSun drying of coconut husks
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
40-mesh sieve for screening Detergent for washing Drum Drier to enhance moisture absorbent property
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Antimicrobial Activity TestingEstimation of
Total Phenolics
Bacterial Cultures
Preparation of inoculum
Antimicrobial Susceptibility
test
Statistical Analysis
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
A known weight of 1
gram of coconut
husk powder
samples (in triplicate)
will be placed in 50 mL of 95%
ethanol.
At 0 °C and for 48 hours the samples
will be stored. The supernatant
from filtration
will be used for assaying
total phenolics.
The test tube will be
used to contain the
1 ml of supernatant
and 95% ethanol and
5 mL of distilled
water will be added as
well.
The Folin-Ciocalteu
reagent (50%, 0.5 mL) will be added to each sample. After 5 min, 1 ml of 5% Na2CO3 will be
added and mixed vortex mixer and the
reaction mixture will be
allowed to stand for 60
min in the dark.
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Bacterial Cultures &Preparation of Inoculum
Disc Diffusion Method
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
Statistical Analysis
Experiments will be done in triplicate and will be subjected by an analysis of variance
Statistical Analysis will follow a significance level of 0.05
Coconut Husk as an Alternative Retardant in the
Decomposition of the Human Body National Bureau of InvestigationForensic Services
Medico-Legal Division
PRESENTED BY: ABUNALES,REYES,ROSAL,TANHUECO,TUANO
FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY
References
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FROM THE UNIVERSITY OF SANTO TOMAS & THE DE LA SALLE UNIVERSITY