17. Lampiran

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LAMPIRAN

46 Tabel 4. Absorbansi sampel minuman fungsional dari kombinasi kopi robusta dan daun mint (Mentha sp) pada panjang gelombang 517nm

K1 K2 K3 K4 K5 K6 K7

I 0,1960 0,2020 0,2190 0,2350 0,2490 0,3290 0,3430

Ulangan II 0,2000 0,2010 0,2260 0,2390 0,2640 0,3070 0,3605

III 0,1815 0,2015 0,2350 0,2430 0,2790 0,3180 0,3780

Blanko

1,7860

1,7770

1,7950

Perlakuan

Rata-rata 0,1815 0,2015 0,2240 0,2390 0,2640 0,3180 0,3605 1,7860

Tabel 5. Absorbansi kontrol (AK) pada panjang gelombang 517 nm

I

Ulangan II

III

1,6225

1,6395

1,6340 (Ak-As)

Rumus % Aktivitas Antioksidan= Ak Keterangan :Ak = Absorbansi kontrol As = Absorbansi sampel

Rata-rata 1,632

x 100%

Tabel 6. Aktivitas Antioksidan (%) minuman fungsional dari kombinasi kopi robusta dan daun mint pada panjang gelombang 517 nm Perlakuan K1 K2 K3 K4 K5 K6 K7 Total Rata-rata

Kelompok 1 2 87,972 87,745 87,623 87,684 86,569 86,152 85,600 85,355 84,743 83,824 79,841 81,189 78,983 77,911 591,330 589,859 84,476 84,266

Total 3 88,879 264,596 87,653 262,960 85,576 258,297 85,110 256,066 82,904 251,471 80,515 241,544 76,838 233,732 587,475 1768,664 83,925

Ratarata 88,199 87,653 86,099 85,355 83,824 80,515 77,911 84,222

47 Tabel 7. Skor Flavor minuman fungsional kombinasi kopi robusta dan daun mint Perlakuan K1 K2 K3 K4 K5 K6 K7 Total Rata-rata

1 1,000 2,100 2,800 3,000 4,000 4,400 4,200 21,500 3,071

Kelompok 2 1,720 2,080 2,860 3,360 3,740 3,740 3,920 21,420 3,060

3 1,340 2,420 2,980 3,680 4,080 4,100 4,180 22,780 3,254

Total

Rata-rata

4,060 6,600 8,640 10,040 11,820 12,240 12,300 65,700

1,353 2,200 2,880 3,347 3,940 4,080 4,100

SD 0,360 0,191 0,092 0,340 0,178 0,330 0,156

3,129

Tabel 8. Penerimaan Keseluruhan minuman fungsional kombinasi kopi robusta dan daun mint Perlakuan K1 K2 K3 K4 K5 K6 K7 Total Rata-rata

1 3,500 2,800 2,500 2,260 2,100 1,800 1,880 16,840 2,406

Kelompok 2 3,400 2,880 2,640 2,100 2,040 1,980 1,720 16,760 2,394

3 3,400 2,880 2,640 2,040 2,160 1,980 1,720 16,820 2,403

Total

Rata-rata

10,300 8,560 7,780 6,400 6,300 5,760 5,320 50,420

3,433 2,853 2,593 2,133 2,100 1,920 1,773 2,401

SD 0,058 0,046 0,081 0,114 0,060 0,104 0,092

48

a

b

c

d

e

f

Gambar 12. (a) daun mint segar, (b) daun mint kering, (c) biji kopi robusta, (d) penyangraian biji kopi, (e) pendinginan biji kopi, dan (f) penggilingan biji kopi

49

a

b

c

d

e

f

Gambar 13. (a) maserasi minuman kopi, (b) hasil reaksi DPPH dengan ekstrak minuman kopi, (c) pengukuran absorbansi sampel minuman kopi, (d) pengujian sensori minuman kopi, (e) persiapan sampel untuk penilaian oleh panelis expert, dan (f) penilaian oleh panelis expert

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