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INDONESIA
Indonesian Journal of Natural Pigments
Published by Ma Chung Research Center for Photosynthetic Pigments Publishing
ISSN : 23389281     EISSN : 26214245     DOI : -
Core Subject : Science, Education,
Chemistry Other
Indonesian Journal of Natural Pigments (Indones. J. Nat. Pigm.) is a double-blind international peer-review and open access journal (p-ISSN: 2338-9281, e-ISSN: 2621-4245) covering all aspects of natural pigments including biodiversity of natural pigment resources (isolation and analysis of photosynthetic pigments), pigments for food and healthcare, pigments for energy and pigments for sensors.
Arjuna Subject : -
Articles 28 Documents
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Humans’ Body Immunity and Natural Pigments Indrawati, Renny; Limantara, Leenawaty; Brotosudarmo, Tatas H.P.
Indonesian Journal of Natural Pigments Vol 2 No 2 (2020): Agustus 2020
Publisher : Ma Chung Research Center for Photosynthetic Pigments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/ijnp.2020.02.02.26

Abstract

The emerging pandemic of Corona Virus Disease (COVID-19) has attracted special concerns regarding the case of very contagious viral infection. Besides the profound waiting toward vaccine development, public awareness was also addressed into the effort of increasing humans’ body immunity. Nowadays, the people are encouraged to consume adequate amount of vitamin C and increase the consumption of fruits and vegetables. In addition, various kinds of food supplements are offered and claimed to give us protection and prevention against viral infection by boosting our immune system. However, the communities are actually lack of proper information regarding the true mechanism of immune system. How is the infection developed in our body? How does the immune system work? Could it be modulated by consuming the bioactive compounds? Here, the stages of infection, the immune system, as well as the role of natural pigments to support the humans’ body immunity will be briefly discussed.
Color Alteration of Encapsulated Beetroot (Beta vulgaris L.) Extract Upon Dissolving in Various pH Treatment Lukitasari, Diah Mustika; Indrawati, Renny; Chandra, Rosita Dwi; Heriyanto, Heriyanto; Limantara, Leenawaty
Indonesian Journal of Natural Pigments Vol 2 No 2 (2020): Agustus 2020
Publisher : Ma Chung Research Center for Photosynthetic Pigments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/ijnp.2020.02.02.48

Abstract

It has been known that most natural pigments are unstable upon exposure against several environmental factors, such as thermal treatment, light, oxidizing or reducing agents, as well as acid or alkaline compounds. Encapsulation procedures is often adopted to adjust the solubility and provide protection to the natural pigments. Here, we prepared an encapsulated beetroot extract as the candidate of red bio-colorant. The primary aim of the present study is to investigate color alteration of encapsulated beetroot (Beta vulgaris L.) extract upon dissolving in various pH adjustment and prolonged storage. The McIllvainne buffer was prepared in various pH range, i.e. from 2 to 11. The encapsulated extract (0.1% w/v) was dissolved and the color of the solutions were measured regularly until 3 days storage under darkness at 200C. Any degradation or structural changes will cause color alteration, which were monitored through L*, a*, b* values, the hue angle (H°), chroma values (C), as well as color difference (DE). The results showed that pH 4 was the most favorable condition that brings least impact to the color alteration, even when the colored solution was kept in prolonged storage until 9 days.
High Antioxidant Activity of Pucuk Merah (Syzygium oleina) Leaf and Zinnia (Zinnia elegans) Flower Extracts Purnomo, Tantyo Ardy Bintoro; Yuliati, Leny
Indonesian Journal of Natural Pigments Vol 2 No 2 (2020): Agustus 2020
Publisher : Ma Chung Research Center for Photosynthetic Pigments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/ijnp.2020.02.02.54

Abstract

A study on the antioxidant activity of natural sources is very crucial to explore their benefits, especially for food, medicine, as well as cosmetic applications. In this work, the antioxidant activities of pucuk merah (Syzygium oleina) leaves and zinnia (Zinnia elegans) flower were examined. Pucuk merah leaves and zinnia flowers were extracted using an acidic ethanol solvent by a simple maceration method for 24 hours. The color of the obtained pucuk merah leaf extract was red, while the zinnia flower extract was yellowish-brown. UV-visible spectrophotometer showed that the pucuk merah leaf extract has anthocyanin as the main part and chlorophyll as the minor part. On the other hand, zinnia flower extract contained carotenoid as the main part, as well as small parts of anthocyanin and chlorophyll. The antioxidant activity test was carried out by using 2-2-diphenyl-1-picrylhydrazyl (DPPH) as the antioxidant assay. It was revealed that the inhibitory concentration at 50% (IC50) values of the pucuk merah leaf and zinnia flower extracts were 25.83 and 20.16 mg/L, respectively, while the antioxidant activity index (AAI) of the pucuk merah leaf and zinnia flower extracts were 1.55 and 1.98, respectively. These results showed that both pucuk merah leaf and zinnia flower extracts have strong antioxidant activity, and thus very potential to be used as great antioxidants.
Characterization of Tambjamines Pigment from Marine Bacterium Pseudoalteromonas sp. PM2 Indigenous from Alor Island, Indonesia Setiyono, Edi; Adhiwibawa, Marcelinus Alfasisurya Setya; Prabowo, Matheus Randy; Brotosudarmo, Tatas H.P.
Indonesian Journal of Natural Pigments Vol 3 No 1 (2021): February 2021
Publisher : Ma Chung Research Center for Photosynthetic Pigments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/ijnp.2021.03.1.16-23

Abstract

Pigments from marine bacteria have attracted the attention for scientists because of their extensive applications and currently exploration of new pigment sources from marine bacteria is still ongoing. Recently, we have successfully isolated six new yellow-pigmented marine bacteria, strain PS2, PM2, SB11, SB13, SB21, and SB23, isolated from seawater from different sampling sites on Alor Island, Indonesia. The UV−Vis and FTIR spectra of the crude pigment extracts of the six strains showed the characteristics of tambjamines, a group of yellow pigments commonly found in nudibranchs and bryozoans. Moreover, separation and characterization of crude tambjamines extract resulted in five different types of tambjamine with maximum absorbance at the wavelength of 374−392 nm. Based on the analysis of 16S rRNA gene sequences, strain PM2 was closely related to several species in genus Pseudoalteromonas with a similarity of more than 99%. Strain PM2 was designed as Pseudoalteromonas sp. PM2 with accession number LC505058. So far, only two marine bacteria have been known to produce tambjamine and they are from genus Pseudoalteromonas. Our new finding indicated that in the group of marine bacteria, tambjamine might be only synthesized by members from genus Pseudoalteromonas.
Enhancing the Conversion Efficiency of Dye-Sensitized Solar Cells based on Betalain Natural Dye as The Potential Photosensitizer: A Review Sagita, Christyowati Primi
Indonesian Journal of Natural Pigments Vol 3 No 1 (2021): February 2021
Publisher : Ma Chung Research Center for Photosynthetic Pigments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/ijnp.2021.03.1.1-9

Abstract

Natural dyes have gained much attentions as the cheap photosensitizer for dye-sensitized solar cells because of their abundant availability in nature. One of potential natural dyes is betalain dye. Betalain dye mostly can be found in family plant of Caryophyllales. This dye has carboxyl groups and can absorb light until wavelength of 600 nm since betalain dye can be in red-purple color. However, betalain dye is still reported to give a lower efficiency in dye-sensitized solar cells device because of its nature properties as compared to the synthetic dyes. This encourages many researchers to investigate the method for developing betalain ability in purpose to enhance the cell device efficiency. To date, there are two methods having been reported for their positive results in increasing the efficiency of cell device based on betalain dye, i.e., combining the betalain dye with other natural dyes, and selecting the suitable solvent and pH in betalain dye extraction. Therefore, in this review, the summary about potential of betalain dye as photosensitizer and what properties of this dye have as the photosensitizer would be described. The summary of methods for optimizing betalain dye in improving the conversion efficiency of dye-sensitized solar cell also will be presented for better understanding the potential of this dye.
Spectroscopy Study of Honey Pineapple Peels Extracted in Different Solvents Kurniawan, Yehezkiel Steven; Setiyono, Edi; Adhiwibawa, Marcelinus Alfasisurya Setya; Priyangga, Krisfian Tata Aneka; Yuliati, Leny
Indonesian Journal of Natural Pigments Vol 3 No 1 (2021): February 2021
Publisher : Ma Chung Research Center for Photosynthetic Pigments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/ijnp.2021.03.1.32-35

Abstract

In the present work, we investigated the extract of honey pineapple peels in distilled water, ethanol, and acetone solvents. The spectroscopy study of each extract was performed using a Fourier transform infrared (FTIR) spectrometer, an ultraviolet-visible (UV-Vis) spectrophotometer, and a spectrofluorometer. The FTIR spectrum of the distilled water extract indicated that the distilled water extract may contain alcohol or carboxylic acid compounds. Meanwhile, the ethanolic extract may contain alcohol or carboxylic acid, or ether compounds. On the other hand, the acetone extract may contain alcohol or ether or aromatic or aliphatic compounds. The UV-Vis spectrum of the honey pineapple peels extracted in the distilled water, ethanol, and acetone showed a broad absorption signal at UV region (< 300 nm), four absorption signals at UV region (232-368 nm), and four absorption signals at UV region (231-368 nm) with a weak absorption signal at the visible region at 559 nm, respectively. The distilled water and acetone extracts gave fluorescence signals, however, the ethanolic extract showed no fluorescence intensity. From the FTIR, UV-Vis, and fluorescence spectra characterization, the extracted natural pigments from the honey pineapple peels in distilled water, ethanol, and acetone solvents were identified. The distilled water extract may contain polar flavonoid or steroid compounds while the ethanolic extract may contain polar carotenoid pigments. On the other hand, the acetone extract may contain carotenoid and chlorophyll pigments as shown by an emission signal at 670 nm.
Product Characterization and Marketing Strategy of “BREM UNGU”: Rejuvenation of Indonesian Traditional Food with Local Purple Sweet Potato as the Source of Natural Colorant Jatiyati, Greta; Jessica, Benedieta Prytania; Indrawati, Renny
Indonesian Journal of Natural Pigments Vol 3 No 1 (2021): February 2021
Publisher : Ma Chung Research Center for Photosynthetic Pigments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/ijnp.2021.03.1.10-15

Abstract

Solid brem is an indigenous fermented food of Indonesia, which often has typical form of long thick bar, white to yellow in color, sweet-sour taste with cooling sensation, and it is easy to crumble by the presence of water. These unique characteristics are generated through alcoholic fermentation of glutinous rice, followed by filtration, concentration, whipping and dehydration. Although it is continuously produced and sold as regional specialties of Madiun, East Java, most people refuse to consume this solid brem due to its high sugar content and lack of information that describes its potential health benefits. The present study is attempting the possibility of combining glutinous rice with another local material having well-known health benefit. Here, we utilize the potency of local purple sweet potato (Ipomoea batatas var. Gunung Kawi), being rich in carbohydrate and anthocyanines, to partly substitute the glutinous rice while adding the health benefits of the final product. The present anthocyanins in sweet potato has been well-studied, exhibiting antioxidant, anti-inflammation, and hepatoprotective activities. The raw materials were subjected to yeast fermentation for 7 days, and subsequently extracted using manual mechanical press. A series of materials ratio (extract of fermented glutinous rice: purple sweet potato = 30:1, 15:1, 15:2) was determined prior to dehydration of brem, and then the color, sugar content, pH, antioxidant activity, and sensory properties of the resulted product were analyzed. Moreover, the competitive analysis and marketing strategy will also be discussed in order to make sure the sustainability of this new innovation.
Mie Krill: Incorporation of Indigenous Udang Saih (Sumatran Krill) Extract Containing Astaxanthin and Essential Fatty Acids into an Instant Noodle Product Made from Composite Flour Gunawan, Hanz A.S.; Kurniawan, Jovine M.; Sudarsono, Edwina V.; Effendi, Jonathan; Heriyanto, Heriyanto
Indonesian Journal of Natural Pigments Vol 3 No 1 (2021): February 2021
Publisher : Ma Chung Research Center for Photosynthetic Pigments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/ijnp.2021.03.1.24-31

Abstract

Indonesia is an archipelagic country. One can be found as the indigenous specimen alongside the coastal part of the country is the Sumatran Krill (SK), commonly known as ‘Udang Saih’ which can be found in Padang, West Sumatra. While the local people use it to make traditional condiment (like shrimp paste), the krill itself could be extracted to create more valuable products since it contains various important unsaturated fatty acids such as omega-3, omega-6, omega-7, and omega-9 and the powerful antioxidant carotenoid named astaxanthin. Astaxanthin as the main carotenoid in SK extract offers several health benefits such as anti-inflammatory properties, support immune system modulation, as well as maintaining brain, cardiovascular, and eye health. In this study, we aim to incorporate the SK extract into an instant noodle product. In addition, we used the composite flours consisted of high-protein wheat flour (WF) and yellow sweet potato flour (YSPF) which are rich in β-Carotene as a vitamin A precursor, to further enhance its eye health property. The instant noodle prototype (M2) was made from a mixture of YSPF (40 g), WF (40 g), super-concentrated astaxanthin in sunflower oil (8 mL), and super-concentrated astaxanthin (2.4 mL) had the highest score of sensory attributes. This instant noodle prototype was claimed to contain astaxanthin, essential fatty acids, and provitamin A carotenoid as well as low in gluten content. Therefore, this instant noodle prototype is believed to increase the health benefits and can be well accepted in society.

Page 3 of 3 | Total Record : 28

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