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All Journal agriTECH Journal of Agri-Food Science and Technology (JAFoST) Journal of Food and Agricultural Product Tematik
Azkia, Mita Nurul
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Social Sciences

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Enhancement in Bioaccessibility and Bioavailability of Phenolic Compounds during Black Glutinous Rice Tape Fermentation Azkia, Mita Nurul; Setyaningsih, Widiastuti; Mayangsari, Yunika; Cahyanto, Muhammad Nur
agriTECH Vol 44, No 4 (2024)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/agritech.92729

Abstract

Black glutinous rice (Oryza sativa var. glutinosa) tape fermented with various yeast, mold, and bacteria is often rich in phenolics compounds and can contribute positively to health through its antioxidants activity. Despite the potential, these compounds have limited bioavailability value due to their structure, degree of glycosylation or polymerization, and interactions with other components. Therefore, this study aims to determine the effect of fermentation on bioavailability and bioaccessibility of phenolics compounds in black glutinous rice tape. During the procedures, cooked black glutinous rice was inoculated with ragi tape for 72 hours. Sampling was then performed every 24 hours to analyze bioaccessibility of phenolics compounds, flavonoids, and antioxidants activity. Subsequently, absorption was carried out using an everted gut sac model. The results showed that phenolics compounds were released from the food matrix during gastric and small intestine digestion. Fermentation was shown to increase the content of accessible phenolics compounds from 19.89% to 27.31%, flavonoids from 68.88% to 81.72%, and antioxidants activity from 13.56% to 22.89%. During fermentation, the highest increments were obtained after 72 hours, with 27.31% for total phenolics compounds, 81.72% for flavonoid compounds, and 22.89% for antioxidants activity. The products obtained after 72 hours of fermentation exhibited significantly highest absorption, but no significant differences were observed between the duodenum and ileum segments. The absorption of these compounds in the jejunum from the extract was significantly higher in fermented samples. Therefore, fermentation significantly enhanced bioavailability of phenolics compounds in black glutinous rice tape.
Phytochemical Characteristics of Microencapsulated Purple Sweet Potato (Ipomoea batatas L.) Antin 3 Variety with Chitosan and Alginate putri, Aldila; Sari, Anisa Rachma; Azkia, Mita Nurul
Journal of Food and Agricultural Product Vol. 5 No. 1 (2025): JFAP
Publisher : Fakultas Pertanian Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jfap.v5i1.6288

Abstract

Microencapsulation is one of the techniques used to protect and increase the stability of bioactive compounds contained in natural materials, such as purple sweet potato. Purple sweet potato variety Antin 3 contains various phytochemical compounds that have potential as a source of antioxidants, but these compounds are easily degraded by external factors. This study aims to evaluate the differences in phytochemical characteristics of microencapsulated purple sweet potato variety Antin 3 with chitosan and alginate dressing materials. Microencapsulation was done using spray drying method and characterization was done by measuring total phenol content, antioxidant activity, and anthocyanin. The research method used is an experimental method with a randomized block design (RBD) consisting of one factor, namely the difference in coating materials: chitosan and alginate. The results showed significant differences in phytochemical characteristics between the two coating materials, where alginate produced microencapsulation with higher levels of anthocyanin and total phenolic phenol compounds. However, results encapsulated with chitosan showed higher antioxidant activity although not significantly different. Alginate microencapsules also had smaller and more uniform particle size. These findings may provide further information regarding the choice of coating materials in the development of more stable and effective purple sweet potato-based products. Keywords: microencapsulation of phytochemicals, bioactive stability, characterization of phenolic compounds
Sensory Characteristics of Mocaf-Substituted Noodles Enriched with Latoh (Caulerpa lentillifera) Azkia, Mita Nurul; Wahjuningsih, Sri Budi
Journal of Agri-Food Science and Technology Vol. 6 No. 3 (2025): September
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/jafost.v6i3.14145

Abstract

Noodles are widely consumed globally. However, conventional wheat-based noodles are limited in dietary fiber and functional compounds. Modified cassava flour (mocaf) and latoh (Caulerpa lentillifera) offer potential as natural ingredients to improve the nutritional value and sensory quality of noodles, and Latoh also serves as an alternative to conventional binders such as carboxymethyl cellulose (CMC) and carrageenan. This study aimed to evaluate the sensory characteristics and consumer acceptance of mocaf-based noodles formulated with three different binders: Latoh (MNL), carboxymethyl cellulose (MNCM), and carrageenan (MNCR). The noodles were prepared using a flour blend of 63% mocaf, 36% wheat flour, and 1% binder. Sensory analysis was conducted using a 9-point hedonic scale (taste, aroma, texture, appearance, and overall acceptability) and descriptive analysis. MNCM achieved the highest overall liking score (7.30), with superior ratings in appearance (7.50), taste (6.90), and aftertaste (6.80), indicating better consumer preference due to firmer texture and improved structure. MNCR showed the highest crispness (6.60) but lower fragility (5.00, p<0.05), reflecting brittleness. MNL demonstrated favorable values for fragility (6.80) and mouthfeel (6.10) but received slightly lower taste (5.80) and aftertaste (5.50), likely due to distinct seaweed flavor notes. Principal Component Analysis (PCA) confirmed strong associations of MNCM with elasticity, taste, and overall acceptability, while MNCR aligned with crispness. MNL, although less aligned with hedonic preferences, showed functional potential. In conclusion, CMC was the most effective binder for sensory appeal, while Latoh represents a promising natural alternative that requires further optimization to balance functional benefits with consumer acceptance.
Sosialisasi Titik Kritis Keamanan Pangan dan Pembuatan Produk Saus Tomat Di SMK N 4 Kendal Azkia, Mita Nurul; Nofiyanto, Erwin; Haslina, Haslina
TEMATIK Vol. 5 No. 1 (2025): Januari
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/tmt.v5i1.11602

Abstract

Program pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman siswa SMK N 4 Kendal terkait titik kritis keamanan pangan dan keterampilan memproduksi saus tomat yang aman serta berkualitas. Kegiatan dimulai dengan menjalin kemitraan dengan pihak sekolah dan menyusun media komunikasi berupa leaflet yang berisi informasi keamanan pangan dan tahapan pembuatan produk. Sosialisasi dilakukan melalui ceramah interaktif, menitikberatkan pada aspek kebersihan bahan baku, peralatan, serta proses pengolahan. Evaluasi sebelum dan sesudah program menunjukkan peningkatan signifikan pada pemahaman siswa, dengan rata-rata pemahaman meningkat dari 60-70% menjadi di atas 80-90%. Metode yang diterapkan terbukti efektif dalam menyampaikan materi secara praktis dan aplikatif. Selain memahami konsep teoretis, siswa mampu mempraktikkan keamanan pangan dalam pembuatan saus tomat, termasuk memilih bahan alami tanpa tambahan berbahaya. Program ini diharapkan berkontribusi pada peningkatan kesadaran dan kesiapan siswa untuk terlibat di industri pangan.
Co-Authors Haslina Haslina Mayangsari, Yunika Muhammad Nur Cahyanto Nofiyanto, Erwin Putri, Aldila Sari, Anisa Rachma Setyaningsih, Widiastuti Sri Budi Wahjuningsih, Sri Budi