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Investigation antibacterial effect of euphorbia plant against different types of bacteria

Author: Gemici, Betul Tuba; Delikanli, Niyazi Erdem; Ozel, Handan Ucun; Ozel, Halil Baris; Sevik, Hakan
Publisher: Zenodo
DOI: 10.5281/zenodo.17304088
Source: https://zenodo.org/records/17304088/files/WJARR-2025-1756.pdf
 Co esponding au ho : Be ul Tuba Gemici
Copy igh © 2025 Au ho (s) e ain he copy igh o his a icle. This a icle is published unde he e ms o he C ea i e Commons A ibu ion License 4.0.
In es iga ion an ibac e ial e ec o eupho bia plan agains di e en ypes o bac e ia
Be ul Tuba Gemici 1, *, Niyazi E dem Delikanli 1, Handan Ucun Ozel 1, Halil Ba is Ozel 2 and Hakan Se ik 3
1 Depa men o En i onmen al Enginee ing, Facul y o Enginee ing, A chi ec u e and Design, Ba ın Uni e si y, Tü kiye.
2 Depa men o Fo es Enginee ing, Facul y o Fo es y, Ba ın Uni e si y, Tü kiye.
3 Depa men o En i onmen al Enginee ing, Facul y o Enginee ing and A chi ec u e, Kas amonu Uni e si y, Tü kiye.
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(02), 1149-1154
Publica ion his o y: Recei ed on 29 Ma ch 2025; e ised on 06 May 2025; accep ed on 09 May 2025
A icle DOI: h ps://doi.o g/10.30574/wja .2025.26.2.1756
Abs ac
In he p esen s udy, an ibac e ial ac i i y assays we e conduc ed using he ex ac o Eupho bia lucida Walds . & Ki .
agains a ange o bac e ial s ains. The e icacy o di e en dosage o he plan ex ac agains di e en bac e ial species
was e alua ed employing he disk di usion me hod. The es ed mic oo ganisms included Klebsiella pneumoniae,
Pseudomonas luo escens, Salmonella ken ucky, Lis e ia innocua, Se a ia ma cescens, S aphylococcus au eus, Bacillus
sub ilis, and Esche ichia coli. The esul s demons a ed ha Eupho bia lucida Walds . & Ki ex ac exhibi s no able
an ibac e ial ac i i y, wi h he mos p onounced inhibi o y e ec s obse ed agains Bacillus sub ilis (29.35 mm) and
Klebsiella pneumoniae (24.95 mm). These indings sugges he po en ial u ili y o Eupho bia-de i ed compounds in bo h
medical and en i onmen al disin ec ion applica ions.
Keywo ds: An ibac e ial es ; Bac e ium; Disin ec ion; Eupho bia plan
1. In oduc ion
Disin ec ion e e s o he sys ema ic p ocess o elimina ing o neu alizing pa hogenic mic oo ganisms o inhibi he
ansmission o in ec ious diseases and sus ain hygienic s anda ds in bo h pe sonal and communal en i onmen s [1].
Pa icula ly in he pos -pandemic pe iod, he c i ical ole o e ec i e disin ec ion p ac ices has in ensi ied signi ican ly
wi hin indi idual and socie al con ex s. The apid p oli e a ion o pa hogenic mic oo ganisms on a ious su aces,
equipmen , and wa e sys ems necessi a es he deploymen o obus and sa e disin ec ion me hods [2]. His o ically,
hea y me als such as sil e and zinc ha e been ex ensi ely s udied and u ilized o hei an ibac e ial p ope ies;
howe e , he u iliza ion o hese me als has aised conce ns ega ding en i onmen al pollu ion, oxici y, and po en ial
heal h isks om di ec human con ac [3]. Fu he mo e, he inad e en elease o such me allic compounds in o
ecosys ems has been linked o subs an ial ecological ha m, a ec ing bo h aqua ic and e es ial o ganisms ad e sely
[4]. Recen s udies show ha some o he hea y me als pose a h ea o human heal h e en a e y low concen a ions
[5-13], and e en hose necessa y o li ing hings can be ha m ul a high concen a ions [14-19]. The e o e, i is
ecommended o educe he elease o hea y me als in o na u e and e en o ca y ou s udies o educe hei
concen a ions in na u e [20-27]. Consequen ly, he e is an escala ing demand o explo ing no el, na u ally sou ced
disin ec an s o complemen o eplace con en ional chemical me hods, leading o inc eased scien i ic a en ion
owa ds plan -based an imic obial agen s
Plan s ul ill many ecological, economic and social unc ions in na u e [28-41]. In addi ion, hey a e widely used in
medicine. Medicinal plan s, deeply embedded in human cul u e, adi ion, and his o y, con inue o g ow in p ominence
o hei he apeu ic and an ibac e ial po en ials [42]. The appeal o plan -de i ed disin ec an s is p ima ily due o hei
na u al bioac i e cons i uen s, including alkaloids, glycosides, e penoids, saponins, s e oids, la onoids, annins,
quinones and couma ins, known o hei abili y o dis up mic obial cell walls o in e e e wi h i al mic obial
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(02), 1149-1154
1150
me abolic pa hways, hus o e ing po en biological de ense mechanisms [43,44]. Among hese medicinal plan s,
Eupho bia species ha e a no able his o y in adi ional medicine p ac ices, and con empo a y esea ch consis en ly
highligh s hei subs an ial an imic obial ac i i ies [45,46]. These s udies indica e p omising oppo uni ies o
employing ce ain Eupho bia species in na u al disin ec ion p ac ices.
Me hanolic ex ac s o a ious Eupho bia species including Eupho bia aleppica L, E. mac oclada, and E. i ga e ha e
demons a ed signi ican inhibi o y e ec s agains a ange o pa hogenic mic oo ganisms. Ki bag e al. [45] epo ed
he an imic obial ac i i y o me hanolic ex ac s and la ex om se e al Eupho bia species (Eupho bia aleppica, E.
szo i sii a . ha pu ensis, E. alca a e c.)used medicinally in Tü kiye. Ex ac s om eigh species we e es ed agains
a ious bac e ia (S aphylococcus au eus, Esche ichia coli, Klebsiella pneumoniae, Candida albicans e c.) and he esul s
showed a ying le els o mic obial inhibi ion, wi h MIC alues anging om 31.2 o 1000 µg. Simila ly, Ribinskas e al.
[47] e alua ed me hanolic ex ac s o Eupho bia helioscopia L. agains me hicillin- esis an S aphylococcus au eus
(MRSA) s ains using he disc di usion me hod demons a ing no able an ibac e ial e ec s. Eupho bia hi a has also
been ex ensi ely s udied o an imic obial po en ial. Pe umal e al. [48] assessed he an imic obial and cy o oxic
p ope ies o di e en sol en ex ac s de i ed om Eupho bia hi a. Among he es ed ex ac s, he e hanolic ac ion
displayed he mos po en an imic obial e ec , pa icula ly agains Salmonella yphi. The s udy sugges ha E. hi a
con ains bioac i e compounds wi h signi ican an imic obial po en ial and low cy o oxici y. These indings indica e ha
Eupho bia species con ain bioac i e compounds speci ically phenolic compounds and la onoids ha con ibu e o hei
an imic obial e ec i eness. Consequen ly, Eupho bia species ep esen p omising candida es o he de elopmen o
plan -based disin ec an s and no el an imic obial agen s.
Eupho bia lucida Walds . & Ki . is a pe ennial he baceous species belonging o he Eupho biaceae amily, commonly
ound in mois habi a s such as i e alleys, we meadows, and o es edges. Na i e o egions s e ching om Cen al
Eu ope o Cen al Asia, i is also pa o he na u al lo a o Tü kiye. The plan is cha ac e ized by i s glossy da k g een
lanceola e lea es and yellowish-g een lowe s. While E. lucida is conside ed a e o locally dis ibu ed in coun ies such
as Ge many and Aus ia, i is mo e widesp ead in pa s o Eas e n Eu ope and Tü kiye. Mo eo e , se e al Eupho bia
species ha e long been used in adi ional medicine due o hei bioac i e compounds wi h epo ed an imic obial,
cy o oxic, and an i-in lamma o y p ope ies [49]. In his con ex , Eupho bia lucida holds po en ial o u he
phy ochemical and pha macological explo a ion.
In his s udy, he an ibac e ial ac i i y o a ious concen a ions o Eupho bia lucida ex ac was e alua ed agains
di e en bac e ial s ains. An ibac e ial assays we e conduc ed using he s anda d disk di usion me hod, and he es ed
o ganisms included Klebsiella pneumoniae, Pseudomonas luo escens, Salmonella ken ucky, Lis e ia innocua, Se a ia
ma cescens, S aphylococcus au eus, Bacillus sub ilis, and Esche ichia coli. The aim o he s udy was o assess he po en ial
o Eupho bia lucida as a na u al an imic obial agen and o in es iga e whe he i s e icacy a ies by dose and bac e ial
species..
2. Ma e ial and me hods
2.1. Pe epa a ion o Eupho bia Plan Ex ac
Eupho bia lucida Walds . & Ki . was collec ed om Ba ın, Tü kiye and i s ex ac was sepa a ed. Then he ex ac o his
plan was p ese ed a 4 °C.
2.2. Types o Bac e ia and Pape Disc P epa a ion
Klebsiella pneumoniae, Pseudomonas ae uginosa (DSMZ 50071), Salomonella ken ucky, Lis e ia innocua, Sa a ia
ma escens (ATCC 13048), S aphylococcus au eus (ATCC 25923), Bacillus sub ilis (DSMZ 1971) and Esche ichia coli
(ATCC 25922) we e used in he s udy. The il e pape was pe o a ed wi h a punch and placed in a glass pe i dish.
Then i was s e ilized unde 1 a m p essu e a 200ºC o 2 hou s.
2.3. Expe imen al S udy
The solu ion o be used was ob ained by adding he desi ed concen a ion o bac e ia o s e ile dis illed wa e . The
desi ed ini ial bac e ial concen a ion (105 CFU/mL) was ob ained by making he necessa y dilu ion om he bac e ial
cul u e incuba ed o e nigh a 37°C he day be o e. Disk di usion me hod was used in he s udy and s udies we e
ca ied ou a ambien empe a u e. Nu ien b o h and nu ien aga we e used o bac e ium as a medium. S udies
we e ca ied ou wi h Eupho bia lucida Walds . & Ki .ex ac undilu ed and 3 di e en concen a ions (2%, 10%, 100%).
Samples aken du ing he s udies we e incuba ed o 1 day a 37 °C a e being plan ed in sui able media.
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(02), 1149-1154
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3. Resul s and Discussion
In he s udy, s udies we e conduc ed wi h di e en Eupho bia lucida Walds . & Ki . ex ac dosages and he esul s a e
shown in Table 1. An ibac e ial e ec o Eupho bia lucida Walds . & Ki . on some bac e ia is shown in Fig.1. In he s udy,
he bes bac e ial e ec was seen in Bacillus sub ilis and Klebsiella pneumoniae bac e ia. This sugges s ha he
phy ochemical componen s p esen in Eupho bia may exe a iable e ec s on bo h G am-posi i e and G am-nega i e
bac e ia. The s ong inhibi o y e ec obse ed agains Bacillus sub ilis is likely due o he cell wall s uc u e o his G am-
posi i e bac e ium, which may be mo e suscep ible o he ac i e compounds in he ex ac . Klebsiella pneumoniae also
showed conside able sensi i i y o he ex ac . This indica es ha he Eupho bia ex ac may con ain bioac i e
compounds capable o pene a ing e en mo e esilien bac e ial de enses, poin ing o a p omising po en ial o b oad-
spec um applica ion. On he o he hand, ela i ely lowe an ibac e ial ac i i y was obse ed agains Pseudomonas
luo escens, Salmonella ken ucky, Lis e ia innocua, Se a ia ma cescens, S aphylococcus au eus, and Esche ichia coli.
These esul s sugges ha he e icacy o he ex ac is s ain-speci ic, and ce ain bac e ia may possess in insic o
acqui ed esis ance o i s ac i e cons i uen s. In pa icula , he lowe e ec obse ed on Pseudomonas luo escens, a
bac e ium known o i s en i onmen al esilience, suppo s his in e p e a ion. These indings highligh he po en ial
o Eupho bia ex ac as a na u al an imic obial agen .
Table 1 An ibac e ial E ec Resul s o Di e en Dilu ions o Eupho bia Plan Ex ac
Types o Bac e ia
Undilu ed (mm)
%2 (mm)
%10 (mm)
%100 (mm)
Klebsiella pneumoniae(4)
24.95
17.61
6
6
Pseudomonas ae uginosa (5)
20.11
12.50
8.14
-
Salomonella ken ucky(7)
11.43
-
-
-
Lis e ia innocua(9)
10.31
9.89
-
-
Sa a ia ma escens(19)
19.59
11.63
-
-
S aphylococcus au eus(15)
17.05
16.67
10.01
7.10
Bacillus sub ilis
29.35
15.87
8.51
-
Esche ichia coli
22.76
-
-
-
- : no zone o ma ion
(a)
(b)
©
Figu e 1 An ibac e ial e ec o eupho bia ex ac on some bac e ia (a) Bacillus sub ilis (b) Esche ichia coli (c)
Klebsiella pneumoniae
4. Conclusion
In his s udy, he an ibac e ial e ec s o Eupho bia plan ex ac we e e alua ed agains eigh di e en bac e ial s ains.
The indings e ealed ha he ex ac exhibi ed no ably high an ibac e ial ac i i y agains Bacillus sub ilis and Klebsiella
pneumoniae. These indings sugges ha Eupho bia ex ac exhibi s s ong disin ec an p ope ies, pa icula ly agains
hese wo bac e ial species indica ing he ex ac 's po en ial e ec i eness agains bo h G am-posi i e and some
esis an G am-nega i e bac e ia. Limi ed e ec s we e eco ded agains Pseudomonas luo escens, Salmonella ken ucky,
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(02), 1149-1154
1152
Lis e ia innocua, Se a ia ma cescens, S aphylococcus au eus, and Esche ichia coli, sugges ing ha he ex ac ’s e icacy
a ies depending on he bac e ial species. O e all, his s udy suppo s he po en ial use o plan -de i ed ex ac s as
al e na i e an imic obial agen s. Howe e , u he esea ch is needed o isola e and iden i y he speci ic bioac i e
compounds esponsible o he obse ed e ec s.
Compliance wi h e hical s anda ds
Acknowledgemen s
We hanks o Ba in Uni e si y, Facul y o Fo es y and Facul y o Enginee ing, A chi ec u e and Design.
Disclosu e o con lic o in e es
The au ho s decla e ha hey no con lic o in e es . The none o he au ho s ha e any compe ing in e es s in he
manusc ip .
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