Formalin contamination in children's street foods at schools in Surakarta, Central Java, Indonesia

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FORMALIN CONTAMINATION IN CHILDREN'S
STREET FOODS AT SCHOOLS IN SURAKARTA,
CENTRAL JAVA, INDONESIA
Indrias Tri Punvanti, Y. Wuri Wulandari, Kapti Rahayu
Faculty of Agricultural Technology, Slamet Riyadi
University, Surakarta Indonesia

ABSTRACT
Formalin is one of the chemical agents that is sometimes abused as food
preservative. Formalin has negative effect to human health, especially to
children. This present study investigated the contamination of several
children's street foods at schools with this substance.

This study was held in 12 schools in Surakarta, Central Java Indonesia. The
schools chosen included 4 elementary schools, 4 high schools, 3 senior high
scl~ooland a vocational school. The children's street school food samples
were fried foods, pasta, dim sum, chip, cake, and drinks. Food samples were
collected and their formalin content was analysed using a formal-semi
quantitative test (AHMT]. OF the 57 children's meal tested, 28 (49Yo) of

them were positively cotltaminated with formalin.
These results are very important for food safety programs especially
children street foods. Accordingly, the organizational structures a r e
required to minimize the risk of food contamination using a Total Quality
Managenletlt (TQM] approach.

Key word :formalin, street food

INTRODUCTlON

Formaldehyde is a nearly colorless gas with a pungent, irritating
odor even at very low concentrations [below 1 ppm)
[http://www.atsdr.cdc.gov) Formaldehyde can be used for many
purposes and is popular chemical because of its low cost.
Formaldehyde is found in cigarette smoke and also can be formed in
the environment during the burning of fuels or household waste

t e c h n i c a l p r e s e n t a t i o n 1273

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of infcmuiiona/Scminar Clrrenl fssucls

Science-Bu~edApproarh#br Food Safe9 Monagemenr

Chdllengr.~r r ~

(http://www.idph.state.il.us/envhealth/facsheets/formaldehyde.ht

ml.
Formalin is not a food preservative, therefore, it is not allowed
to be used in food products. The effects of formalin at low levels on
health causes burning and watering eyes. As formaldehyde level
increases, i t can cause the nose and throat burning, coughing, and
difficulty in breathing. Some people may be more sensitive to
formaldehyde and are affected by low level of formaldehyde. Strong
mixtures of formaldehyde gas and liquid can cause irritation or rash if
it contact to the skin. W h e n it is swallowed, formaldehyde can cause
severe pain, vomiting, and diarrhea. Animal studies have shown that
it increased nasal cancers in rats and mice inhhaling high levels of
formaldehyde for a long time (http://www.idph.state.il.us lenvhealth

lfactsheetsl forrnaldehyde.htm).

Formalin is an antimicrobial chemical that is used either to kill
undesirable microorganisms or prevent or retard their growth. (http:
//www.sciencedirect.com) It is widely used in disinfectants
production and preservatives in mortuaries and medical laboratories
(http://www.assenng.org). This compound is not in GRAS-listed and
not approved to be food preservative. However, some small food
industries such as noodle, tofultahu, dim sum and others are still
using formalin to preserve their products.
Formalin may caus by long-term effects on human hcalthand its
use through different foods consumption, has been questioned
(http://www.osha.gov). Eventhough formalin is economical and
readily available, this compound is very harmful to human.

The aim of this preliminary study is to detect the possibility of
formalin contamination in the street foods especially those sold to
chiIdren at schools.

ol

fc

12
contan~ination

1.

formalin

schools

3).

Tdbel 1. Formalin

fr

Formalin contaminatio
.t


Fried-tofumeatbalI/B

Surakarta

balI/cimol
ball/cimol
meatball/Batagor
2

SMPNegeri17
Macaroni

meatball/Batago
meatball/Batagor
nondl

Surakarta

Yellow Chir
Ct


Sawahan II

jlting

Jit~ng
Hot

school]

MATERIALS AND METHOD

meatball
ra

rta

The materials were variaus kinds of street foods obtained from
1 2 schools in Surakarta, 4 elementary schools, 4 junior high schools,3
senior high schools, and 1 vocational school. The food samples were

collected and were analyzed by Semi Quantitative Test with AHMT
(4-amino-5-hydrazyno-1,2,4-triazole-3-thio)
activator.

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~://~,idph.state,iI.us/envhealth/factsheets/formaldehyde.h
t
Formalin

RESULTS AND DISCUSSION

food

The selected 57 samples of children street foods were obtained
from 12 different Schools in Surakarta.
Data on formalin
contarr~inationin the street foods is shown in Table 1. Formalin
concentration of the contaminated foods is presented in Table 2.
Foods not contaminated with formalin were found in 2 schools (table
3).

formalin

:


h
ases,

Ires
tact

Tabel 1. Formalin Contamination i n Street Food obtained from I 2
schools in Surakarta

inhhaling
tldehyde
(htrp://www.idph.state.iI.us /envhealth
heets/ formaldehyde.htm).
Formalin

No

Location

Sample


1

SD Banyuanyar I

Fried meatball
Noodle-meatball

Surakarta
(elementary
school)

w.sciencedirect.com)

//www.assenng.org).
,proved

GUS-listed
2

tofu/tahu,
caus

rough
/www.os ha.gov).

3

formali

r

4

n

5
le

01s
iigh

Formalin contamination

+

soup

Fried meatball
Noodle-meatball
soup

Cassava ball/cimol

Cassava

Fried-tofumeatball/Batagor
Cassava chip
SMP Negeri 17
Surakarta (junior Doughnut
Fried-tofuhigh school)
meatball/Batagor
Macaroni
Fried noodle
SMP
Muhammadiyah Mango Cocktail
Yellow Chip
7 Surakarta
Ordinary Chip
[senior high
Macaroni
school)
Tofu
meatball
SD Sawahan I1
Jitingnoodle
Sangkrah
Macaroni
Surakarta
Hot Chip
(elementary
school)
Sausage
SMA Negeri 6
Nugget
Surakarta
meatball soup
(senior high
Tofu
school)
Tempura

Fried-tofumeatball/Batagor

ball/cimol
Cassava chip

Fried-tofurneatball/Batago
r

Tofu meatball

Doughnut
Macaroni

Fried noodle
Mango Cocktail
Yellow Chip
Ordinary Chip
Macaroni
Jiting noodle

Macaroni

Hot Chip

meatball soup

Sausage
Nugget
Tofu

Te111pu1-a

0-5-hydrazyno-lr2,4.triazole-3-thio)

--

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t e c h n i c a l p r e s e n t a t i o n 1275

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SCIence- Based Appruuchfi)r Food . f i ~ f ehfanagemenr
~

6.

7

8

9

SMP Negeri 26
Surakarta
(junior high

Fried noodle
Colored ice
Macaroni
school]
Cassava chips
Cake
lnstant Fried
noodle
Candy
SMP Kristen 4
(junior high
Toast
school)
Ca kue/fried dough
S D Banyuanyar I1 Fried
(elementary
won ton/Pangsit
school)
Hot Stick

Colored ice
Cake
lnstant Fried
noodle

Candy

Toast/roti bakar
Cakue/fried
dough
Fried
wonton/Pangsi t
Hot Stick

Candy
Instant fried

Candy

noodle

noodle

Surakrta

Meatball
Soup/Bakso

(vocational

Tofu

school)

Dim sum/Siomay
Nugget

SMKSahid

Fried noodle
Macaroni
Cassava chips

Tabel

Instant fried

Tofu

Meatball soup

Dim sum/Siomay Nugget
Fresh Meet

Fresh Meet

10

SD iT Nur
Hidayah
Surakarta
(elementary

school)

Noodle
Rice crispy/Intip

Noodle
Rice crispy/lntip
Tofu
Chicken meat

Tam
crisps/Kripik

Tofu
Tofu meatball

Fried vegetable
batter/Bakwan

Tofu
Chicken meat
Taro crispslKripik Sausages
tales

tales

Sausage

11

12

SMA Negeri 8

Tofu

Surakarta
(senior high

Tofu beefball
Fhsh chip/Tengiri

school)

chip
Rice crackers/
Gendar
Rambak Chip
Bakwan/fricd
vegetable batter
Tofu dim
sum/Siomay tahu
Chip
Fried wonton/
pangsit goreng

SMA Negeri 7
Surakarta
[senior high

school)

Fish

chip/Tengiri
chip
Rice crackers/
Gendar
Rambak Chip

Tofu dimsum/
Siomay tahu
Chip

Fried wonton/
pangsit goreng

Macaroni

Macaroni

-

276Itechnical

presentation

Formalin

Uurr2nr lssues und Chul1twgi.s

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Tabel 2. Formalin concentration in children's Street Food

Frred

No
1

1

IP
lnior
.h001)

I1 Cakue/fried
111

I

( Toast/roti

I

I

3
wonlonjPangsit

wonton/Pangsit

emenray

2

nool]
4

I
I

I

1

[K

Soup/Bakso
)cational
lool)

)
I

sum/Sioma

sum/Siomav

.- ..

~

1

- --

I

- - -. .s

Tabel 3- Street foods without formalin contanlination
No
1.

Location
SMP Muhammadiyah 7

Surakarta
(junior high school]

2

SD Banyuanyar [I
(elementary school)

Formalin Contamination [-)

atte

from

Fried noodle
Mango cocktail
Yellow Chip
Ordinary Chhp

regar

fi

Macaroni
Fried dim sumpangsit
Hot Stick
Candy

Instant fried noodle

The results showed 28 out of 57 [49%) children's street foods
were contaminated by formalin. Eanwhile, twenty nine food samples
were free from Formalin contamination. The level of contamination i s
about 1 to 10 ppm.
This finding indicated that formaldehyde contamination was
found scattered in almost every school in Surakarta. This proves that
food safety in schools in the city of Surakarta is not guaranteed
I

According to the act of the Republic of Indonesia, number 7 year
1996 on food, the government bans t h e use formaldehyde as food
additive. To protect consumers, in 2002, National Agency for Drug
a n d Food Control amended the used of food additives especially for
preservatives. According to this amendment, a food producer w h o

of

Kepublic
//bk.rnenlh .go.id /files/UU-796.pdf

1996

I:ood, httl

Edibr~rnocle, -

Fart~~nlin/Formaldehyde
ttp://www.assenng.org/presentations/

bora

AU/o2OSTUDYO/o200FYo2OM EDICALYO~OSTUDEN'~S%~O~YO~
E%ZOTO%ZOFORMALI NU/o20%2O-

%20FORMALDEHYDE"/oZOIN%20GROSS%20ANATOMY%20DIS!
ION%2OLABORATORY .pdf

/I-ecognit1on.h tml

wants to use a food preservative as well as other additives must
prove its safety.

E;nvit40nm

The effects of formalin on the human body that is consumed
through different foods, especially by children, have not been
determined. Many health-conscious consumers are interested in
foods that do not contain any preservatives, especially those which
are not normally in foods. This has resulted in searching food
preservatives that are naturally present either in plant or animals
origin.

http://www.idph.state.il.us/envhealth/factsheets/formald

The formalin testing was carried out wit11 a using semi
quantitative method using AHMT as an activator solution. There is
another test of formaldehyde contamination t h a t is easier and can be
done by t h e public using potassium permanganate.

C.

278(technical presentation

e.htm

ttp://www.atsdr.cdc.gov/mhrni/rnmgll
l.html
Isolated

G. Balasubramanian,-,
Nauplii

EJficocy Of Formaldehyc
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cr-Based Apprvach

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Proceeding of Jnrcrnat i clncrl Seminar Current

formalin
Formalin
Muhamrnadiyah 7

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Issues and C h l ~ l l e n girr
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Based on this finding, it is necessary to have specific attention
from local and central government on providing safer foods for
children. We expect further support from government to disseminate
food safety issues in the community, especially with regard to
children's street food since this is very important for a healthy future
generation.

Acknowledgement
We thank Yayasan Kakak for their help on surveying schools
and also to all schools that provide the samples.

References
Act of 'l'he Republic of Indonesia Number 7 of 1996 on Food, http:

formalin
:1

//hk.menlh .go.id /files/UU-796.pdf
Edibamode, - A Study of Medical Student Exposure t o
Formt~lin/P~ormaldeh~~dc
in Gross Anatomy Dissectic~trLaboratory,

10

afety

4ccording
we.

~ o d
-vatives.

Formaldehyde hazard recognition http://www.osha.gov/
formaldehyde /recognition.html

preservay~ve

well

SLTC/

litinnis Department of Public Health, Division of Environmental
Health

http://www.idph.state.iI.us/envhealth/factsheets/formaldehyd

formalin
:h
heal

Medical Management Guidelines for Formaldehyde
http://www.atsdr.cdc.gov/mhmi/mmg11
l.html

)t

Sahul Hameed and G. Balasubramanian,-, Antibiotic Resistance ln Bacteria
lsolated From Artemia Nauplii and Eflcacy Of Formaldehyde To
Control Bacterial Load, Aquaculture Division, Department of Zoology,
C. Abdul Hakeem College, Melvisharam - 632 509, Vellore Dist., Tamil
Nadu, India, http://www.sciencedirect.com

formalin
:ative
r
1

(HCHO]

permangallate.

-

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t e c h n i c a I p r e s e n t a t i o n (279

lnrernurional Sern~nur

Isszres and Challengc.~

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