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All Journal Journal of Functional Food and Nutraceutical Liaison Journal of Engineering
Putri, Runita Rizkiyanti
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Nursing

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EXTRACTION OF HYALURONIC ACID FROM ALOE BARBADENSIS (ALOE VERA) Putri, Runita Rizkiyanti; Nugraha, Tutun; Christy, Stephanie
Journal Akademik Universitas Swiss German Vol 1 No 2 (2020)
Publisher : Swiss German University & Perhimpunan Penggiat Pangan Fungsional dan Nutrasetikal Indonesia (P3FNI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (542.709 KB) | DOI: 10.33555/jffn.v1i2.33

Abstract

Hyaluronic acid have a high moisture preservation and biocompatibility characteristic, thus allowing various usage of this substance in pharmaceutical, medicinal, and skin care products. Present manufacturing process of hyaluronic acid requires extraction of animal cells or through other methods utilizing bacteria. The aim of this research is to investigate an alternative source of hyaluronic acid extraction using plant based which is aloe vera (A. Barbadensis).  Three main parts of aloe vera (rind, mesophyll and gel) underwent several steps of extraction process and the result was compared to the sample of hyaluronic acid from goat brain. The evaluation including comparison of total carbohydrates, reducing sugars and degradation using heat treatment. The results of extraction were analyzed using UV-Spectrophotometer at 230 nm and compare to the extraction result of goat brain to ensure the presence of hyaluronic acid. It was found out that the rind part of aloe vera have the highest potential of high content of hyaluronic acid.
Lego-Structured Tilting Table Method for Angle of Repose Measurement putri, runita rizkiyanti
Liaison Journal of Engineering Vol. 4 No. 1 (2024): Vol 4
Publisher : Liaison Journal of Engineering

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Abstract

Flowability of solid material is important especially in food and pharmaceutical industry where solid material is the main material used. When designing equipment, understanding flowability of solid material becoming crucial point to maintain effectiveness of the equipment. Angle of repose is one of the oldest method to determine flowability of solid material. From several different method to measure angle of repose, tilting table method was chosen as the basis for this equipment design. Lego structure basis was chosen to modernized method for angle of repose measurement. For the experiment, 2 different materials were chosen: coriander seeds and cement powder. These 2 materials were chosen due to their different flowability properties to ensure the effectiveness of the designed equipment. From the measurement result, average angle of repost for coriander seed was 19.30 and 32.6o for cement powder. Based on these results, the percentage of error for angle of repost measurement using lego tilted structure equipment is between 6 until 20% which is in an acceptable level. This showed that the design of the equipment was a success and can be used to determine angle of repose of solid material. Keywords: Angle of repose, Flowability, Solid material, Lego, Solid properties
Co-Authors Christy, Stephanie Davidson, Nathaniel Kurniawan, Matthew Darrell Pradana, Johannes Aria Tutun Nugraha