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All Journal Jurnal Pangan dan Gizi Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat agriTECH Jurnal Riset Industri Hasil Hutan Jurnal Ilmu Pangan dan Hasil Pertanian Pro Food AGRISAINTIFIKA Jurnal Ilmu-ilmu Pertanian Jurnal Abdimasa International Journal of Advance Tropical Food (IJATF) IJECS: Indonesian Journal of Empowerment and Community Services Jurnal Pengabdian Masyarakat untuk Negeri (UN-PENMAS) Jurnal Pengabdian Pada Masyarakat
Sri Hartati
Fakultas Pertanian Universitas Veteran Bangun Nusantara
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Komposisi Kimia Serta Aktivitas Antioksidan Ekstrak Hidrofilik Bekatul Beberapa Varietas Padi Sri Hartati; Yustinus Marsono; Suparmo Suparmo; Umar Santoso
agriTECH Vol 35, No 1 (2015)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (244.265 KB) | DOI: 10.22146/agritech.9417

Abstract

The study was aimed to investigate chemical composition, dietary fiber content and the antioxidant activity of the hydrophilic extract of varieties of rice bran IR-64, Sintanur, Rajalele and Menthikwangi. Rice bran from each sample was analyzed proximate and fiber content. Hydrophilic extract was obtained by extracting each sample of bran with methanol solvent. Total phenolic content was tested by Folin Ciocalteu reagent and antioxidant activity of the extract was tested by DPPH (2,2-diphenyl-1-picrylhydrazyl) method. The results showed that all the four samples had differences amount of their moisture, ash, protein and fat contents. Fat content varies from 16.80±0.05 % - 23.75±0.04 %db, which the highest level of fat content was possessed by Sintanur bran (23.75±0.04 %db) and IR-64 bran (16.80±0.05 %db) was the lowest level. The levels of soluble fiber from four varieties of rice bran were not significantly different, between 4.07 – 4.14 %db but there was a difference in the content of insoluble fiber, which had effect on the total of fiber content. The insoluble fiber content of the rice bran varieties of Menthikwangi, Rajalele, IR-64 and Sintanur were 27.64±0.46, 28.04±0,25, 29.15±0.26 dan 30.44±0.60 %db respectively. The content of total phenols and the highest antioxidant activity of the hydrophilic extract was owned by Menthikwangi ie. 2794.28±181.83 μg galic acid equivalen (GAE)/g bran for total phenol and 41,28±0,60 % for antioxidant activity. ABSTRAKPenelitian bertujuan untuk mengetahui komposisi kimia, kadar serat pangan serta aktivitas antioksidan ekstrak hidrofilik bekatul dari empat varietas padi yaitu IR-64, Sintanur, Rajalele dan Menthikwangi. Masing-masing sampel bekatul dianalisis proksimat dan kadar serat pangannya. Ekstrak hidrofilik diperoleh dengan cara mengekstrak masingmasing sampel bekatul dengan pelarut metanol. Ekstrak diuji kandungan total fenol dengan reagen Folin Ciocalteu dan aktivitas antioksidannya dengan metode DPPH (2,2-diphenyl-1-picrylhydrazyl). Hasil penelitian menunjukkan bahwa keempat sampel memiliki kadar air, kadar abu, kadar protein dan kadar lemak yang bervariasi. Kadar lemak bervariasi dari 16,80±0,05 % - 23,75±0,04%db, dengan kadar tertinggi dimiliki bekatul varietas Sintanur (23,75±0,04 %db) dan terendah bekatul varietas IR-64 (16,80±0,05 %db). Kadar serat larut (soluble fiber, SF) bekatul dari keempat varietas padi tidak berbeda secara signifikan yaitu antara 4,07 - 4,14 %db namun terdapat perbedaan pada kandungan serat tak larut (insoluble fiber, IF) yang berpengaruh pada kadar serat total. Kandungan serat tak larut bekatul dari varietas Menthikwangi, Rajalele, IR-64 dan Sintanur berturut-turut adalah 27,64±0,46, 28,04±0,25, 29,15±0,26 dan 30,44±0,60 %db. Kandungan total fenol dan aktivitas antioksidan tertinggi dimiliki oleh ekstrak hidrofilik dari bekatul verietas Menthikwangi, masing-masing 2794,28±181,83 μg ekivalen asam galat (EAG)/g bekatul untuk total fenol dan aktivitas antioksidan menangkal (scavenging) radikal bebas (DPPH) sebesar 41,28±0,60 %.
Sinbiotik Ekstrak Ubi Ungu dan Probiotik Lokal pada Yogurt: Kesehatan Pencernaan, Hematologi, dan Sistem Imun Agustina Intan Niken Tari; Catur Budi Handayani; Sri Hartati
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (512.615 KB) | DOI: 10.22146/agritech.29718

Abstract

The bacteria presence in the gastrointestinal tract is one of the important factors determining the support for body health among others. Therefore, it is essential to maintain a population balance, possibly achieved by consuming local probiotic-based sinbiotic yoghurt. The purpose of this study, therefore, was to evaluate the effectiveness of purple sweet potato extracts and local probiotics supplemented in yogurt by a healthy profile. Furthermore, the Health parameters evaluated include gastrointestinal (faecal water), hematology (number of erythosit, leukocyte, hemoglobin and hemtocrit) and immune system (antibody titer) in Spraque dawley albino mice. This study was performed using a Completely Randomized Design on 30 rats divided into 6 groups.  Therefore, those in group K- were administered distilled water from day 1st -21st, YTP =  yogurt without probiotics from day 1st -21st, YDP = probiotic yogurt from day  1st- 21st,  YTP+E = yogurt without probiotic from day 1st- 21st, interspersed EPEC on day 8th – 14th, YDP+E = yogurt from day1st- 21st, interspersed EPEC on day  8th-14th, K + = water from day 1st- 21persed EPEC on day 8th – 14th, YDP+E = probiotic yogurt from day1st- 21st, then fed EPEC on day 8th- 14th. The results showed the effectiveness of probiotic yogurt treatment with purple sweet potato extract supplementation in healthy gastrointestinal (faecal water), hematology (number of erythrocyte, leukocyte, hemoglobin and hematocrit) and immune system (titre antibodies). This phenomenon results from infection by EPEC (Enteropathogenic Eshericchia coli), which is responsible for diarrhea. Furthermore, the YDP treatment possessed a water content characterized by 48.42% feces, while the number of erythrocytes, leucocytes, haemoglobin and hematocrit were 8,58x106/μl, 14,15 x106/μl, 13.98 g/dL and 47,67 mL%, respectively. Moreover, 6,42 log of antibody titers was also determined.
Co-Authors A. Intan Niken Tari A. Intan Niken Tari Afriyanti Afriyanti Agustina Intan Niken Tari Amelia Ayu Kusumaningtyas Asmoro, Novian Wely Catur Budi Handayani Cindhe Putri Larasati Febbi Nurahmawati Muhammad Fathul Anwar Muhammad Yusuf Purwanto Purwanto Retno Widyastuti Sartono Putro Sekar Kusumawati Siti Aminah Sohib Assalam Suparmo Suparmo Umar Santoso Yunan Kholifatuddin Sya’di Yustinus Marsono