Lampiran 4. Perhitungan Rendemen Ekstrak E. acoroides
Pelarut Ulangan A g
B g C g
Rendemen Rata-rata
Metanol 1
25 37,0050
38,4920 59,480
6,14 2
25 37,1538
38,7371 63,332
Etil Asetat
1 25
37,1041 37,2761
0,6880 0,41
2 25
38,6243 38,6557
0,1256 n-
heksana 1
25 37,6919
37,7238 0,1276
0,09 2
25 36,8491
36,8627 0,0054
Keterangan : A = bobot awal sampel g
B = bobot botol kosong g C = bobot sampel+botol setelah ekstraksi g
a. Metanol
b. Etil Asetat
c. N-heksana
Lampiran 4a. Analisis Ragam Rendemen Ekstrak E. acoroides
ANOVA
Rendemen
Sum of Squares
Df Mean Square
F Sig.
Between Groups
46,383 2
23,191 296,039
0,000 Within Groups
0,235 3
0,078 Total
46,618 5
Lampiran 4b. Uji Lanjut Duncan Rendemen Ekstrak E. acoroides
Duncan
Pelarut N
Subset for alpha = .05 1
2 N-heksana
2 0,091000
Etil asetat 2
0,406800 Metanol
2 6,140600
Sig. 0,341
1,000
Means for groups in homogeneous subsets are displayed. a Uses Harmonic Mean Sample Size = 2,000
Lampiran 5. Perhitungan Total Fenol Ekstrak E. acoroides
a. Standar asam galat
Konsentrasi ppm
Absorban 0,000
10 0,083
20 0,185
30 0,287
40 0,402
50 0,498
60 0,584
70 0,686
Grafik standar asam galat
b. Total Fenol
Sampel bobot awal
g A
VP ml
Bobot ekstrak awal g
X Total fenol
mgml Total fenol
mg
GAE1000 g m1
0.0084 0.381
2 1.487
39.05465 0.553088
553.09 m2
0.0088 0.384
2 1.487
39.35604 0.532022
532.02 e1
0.0031 0.149
2 0.173
15.74744 0.070305
70.30 e2
0.0029 0.123
2 0.173
13.13542 0.062688
62.69 h1
0.0089 0.097
2 0.0319
10.52341 0.003017
3.02 h2
0.009 0.09
2 0.0319
9.820173 0.002785
2.78
Keterangan : A = nilai absorbansi Y VP = volume pengenceran
- Perhitungan X ppm ekstrak metanol ulangan 1
Y = A + BX 0,381 = - 0,00775 + 0,009954 X
X = 39,05 ppm
- Perhitungan X ppm ekstrak metanol ulangan 2
Y = A + BX 0,384 = - 0,00775 + 0,009954 X
X = 39,35 ppm
- Perhitungan X ppm ekstrak etil asetat ulangan 1
Y = A + BX 0,149 = - 0,00775 + 0,009954 X
X = 15,74 ppm
- Perhitungan X ppm ekstrak etil asetat ulangan 2
Y = A + BX 0,123 = - 0,00775 + 0,009954 X
X = 13,13 ppm
- Perhitungan X ppm ekstrak n-heksana ulangan 1 Y = A + BX
0,097 = - 0,00775 + 0,009954 X X
= 10,52 ppm - Perhitungan X ppm ekstrak n-heksana ulangan 1
Y = A + BX 0,09 = - 0,00775 + 0,009954 X
X
= 9,82 ppm - Perhitungan total fenol ekstrak metanol