Research Article

Acute Toxicity and Antioxidant and Antibacterial Activities of Kyllinga polyphylla Willd. ex Kunth, Cyperaceae Family

Table 4

Antibacterial diameter of KP extracts at a concentration of 200 mg/mL.

ExtractsAntibacterial ring diameter (mm)
Gram-positiveGram-negative
S. aureusL. innocuaB. subtilisB. cereusE. faecalisP. aeruginosaSalmonellaE. coli

REt14.17 ± 0.29fC11.00 ± 1.00gAB11.83 ± 1.04gB11.83 ± 0.29hB13.17 ± 0.29efC13.33 ± 0.58gC13.67 ± 0.58fgC10.33 ± 0.58fA
RMe14.00 ± 0.00fE11.17 ± 0.29gA11.67 ± 0.58gAB12.33 ± 0.58hBC13.00 ± 0.50eCD13.33 ± 0.58gDE14.00 ± 0.00gE11.17 ± 0.29fgA
RHw0.00 ± 0.00aA0.00 ± 0.00aA4.67 ± 0.58cdBC5.50 ± 0.87eC3.83 ± 0.29bB14.17 ± 0.76fgE9.17 ± 0.76cdeD4.50 ± 0.00cB
RhEt6.83 ± 0.29dA9.67 ± 0.58fBC9.67 ± 0.58fBC8.67 ± 1.15gB9.67 ± 0.58dBC9.33 ± 0.58fBC8.33 ± 1.53cdeB10.67 ± 0.58fC
RhMe0.00 ± 0.00aA0.00 ± 0.00aA4.00 ± 0.50bcB4.17 ± 0.29cdB4.33 ± 0.29bB6.17 ± 0.29deC6.67 ± 0.29bcC4.50 ± 0.50cB
RhHw4.00 ± 0.00cAB5.67 ± 0.58dCDE3.83 ± 0.29bcA6.00 ± 0.00efDE6.33 ± 0.58cE5.33 ± 0.58cdCD4.83 ± 0.76bBC5.33 ± 0.58cdCD
APEt6.83 ± 0.28dA10.67 ± 1.53fgB6.17 ± 0.29deA6.67 ± 1.15fA6.17 ± 0.76cA7.33 ± 1.54eA10.00 ± 0.00deB6.33 ± 0.58deA
APMe2.33 ± 0.58bcA2.17 ± 0.29bA3.17 ± 0.29bB4.17 ± 0.29cdC4.67 ± 0.58bCD5.00 ± 0.00cdD9.67 ± 0.76cdeE4.33 ± 0.29bcCD
APHw3.50 ± 0.50cB0.00 ± 0.00aA5.00 ± 1.00cdD3.67 ± 0.29bcBC4.50 ± 0.00bCD3.33 ± 0.58bB7.67 ± 0.58bcdE3.33 ± 0.58bB
WEt0.00 ± 0.00aA7.67 ± 0.58eD7.17 ± 0.29eCD8.50 ± 0.50gE6.83 ± 0.29cC7.17 ± 0.29eCD1.33 ± 0.58aB6.83 ± 0.29eC
WMe0.00 ± 0.00aA0.00 ± 0.00aA5.00 ± 0.00cdC5.00 ± 0.00deC4.17 ± 0.29bB5.17 ± 0.29cdC7.00 ± 1.00bcdD4.83 ± 0.29cBC
WHw0.00 ± 0.00aA0.00 ± 0.00aA5.00 ± 0.00cdC0.00 ± 0.00aA0.00 ± 0.00aA0.00 ± 0.00aA7.67 ± 0.58bcdD3.33 ± 0.29bB
Amox1.67 ± 1.15abAB3.17 ± 0.76bcBC0.00 ± 0.00aA2.83 ± 0.29bBC4.17 ± 0.76bC4.00 ± 1.00bcC37.00 ± 1.73kD0.67 ± 0.58aA
Tetra10.33 ± 1.54eAB11.33 ± 1.53gB13.33 ± 0.76hB12.83 ± 0.29hB14.00 ± 0.87fB14.00 ± 1.80fgB18.00 ± 5.00hC7.33 ± 0.58eA
Eryth10.00 ± 1.00eA16.00 ± 1.00hB34.00 ± 1.00jD35.17 ± 1.04kD34.83 ± 0.76iD15.17 ± 0.76gB25.33 ± 2.31jC27.33 ± 1.15iC
Linco29.00 ± 2.65gF3.67 ± 0.58cA21.67 ± 2.31iC26.33 ± 0.58jE25.17 ± 1.04hDE22.83 ± 0.29hCD11.17 ± 2.02efB24.50 ± 0.5hDE
Strep27.67 ± 2.08gD11.33 ± 0.58gA21.67 ± 1.04iB24.17 0.76iC22.00 ± 0.05gB23.00 ± 1.00hBC21.33 ± 0.58iB12.00 ± 1.32gA

REt: root ethanol; RMe: root methanol; RHw: root hot water; RhEt: rhizome ethanol; RhMe: rhizome methanol; RhHw: rhizome hot water; APEt: aerial part ethanol; APMe: aerial part methanol; APHw: aerial parts hot water; WEt: whole plant ethanol; WMe: whole plant methanol; WHw: whole plant hot water; Amox: amoxicillin (1 mg/mL); tetra: tetracycline (1 mg/mL); Eryth: erythromycin (1 mg/mL); Linco: lincomycin (1 mg/mL); Strep: streptomycin (1 mg/mL); mean diameter ± SD with the same uppercase letters in 1 row and the same lowercase letters in 1 column was not statistically significant ().