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Wangiyana, I Gde Adi Suryawan
Program Studi Kehutanan Universitas Pendidikan Mandalika
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Application of various statistical approaches for sensory evaluation of seaweed dodol mixed agarwood infusion I Gde Adi Suryawan Wangiyana; I Gusti Agung Ayu Hari Triandini; Idham Khalid
Journal of Agritechnology and Food Processing Vol 5, No 1 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH MATARAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jafp.v5i1.30841

Abstract

Seaweed dodol mixed agarwood infusion is an innovative culinary product from Lombok Island made primarily from seaweed flour. This research aims to conduct a sensory evaluation of seaweed dodol mixed agarwood infusion using the 9-point hedonic scale with different statistical approaches for the analysis. Four different seaweed concentrations were applied in this research as treatments: S1(seaweed flour 8% w/v), S2 (seaweed flour 10% w/v), S3 (seaweed flour 12% w/v), S4 (seaweed flour 14% w/v). The proximate analysis measures total protein, lipid, ash, water, and carbohydrates. This study used a Nine-point hedonic scale ranging from 9 (like extremely) to 1 (disklike extremely). Non-parametric statistics (Kruskal-Wallis and Freidman Test) and parametric statistics (ANOVA-CRD and ANOVA-RCBD) are the statistical approaches in this study, which are continued by DMRT (α = 0.05). Thirty trained respondents were evaluated based on appearance, aroma, taste, and texture. Proximate analysis shows that dodol has high moisture with medium carbohydrate content. The result shows that different statistical approaches have a consistent critical P-value, which shows the highly significant effect of treatment on the sensory evaluation value. DMRT analysis shows that the higher seaweed flour concentration results in a higher numerical hedonic value. The spider web chart shows respondents give a more sensitive evaluation of taste and texture than appearance and aroma. It could be concluded that different statistical approaches are reliable for analysing the significant effect of different seaweed flour concentrations on the sensory evaluation value of seaweed dodol mixed agarwood infusion.
FOREST HERBAL TEA SHOULD BE PROMOTED IN INDONESIA I Gde Adi Suryawan Wangiyana; I Gusti Agung Ayu Hari Triandini
Jurnal Silva Samalas Vol. 6 No. 2 (2023): Desember 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jss.v6i2.10223

Abstract

Forest herbal tea is made from plants in the forest area. Various types of plants, including trees, shrubs, and herbs, can be sources of forest herbal tea. Most of the forest herbal tea sources are wild plants found in natural forest areas in Indonesia. This means that Indonesia has abundant forest herbal tea resources, which should be promoted. However, the use of raw materials in forest herbal tea products is still limited. This review shows why forest herbal tea products should be promoted in Indonesia in terms of cultivation, standardisation, processing method, economic value, and diversity of products.
Population Genetic Study of Gyrinops versteegii from Two Agarwood Distribution Regions on Lombok Island Based on DNA Fingerprinting I Gde Adi Suryawan Wangiyana; Nova Kurnia; I Gusti Agung Ayu Hari Triandini
Biosaintifika: Journal of Biology & Biology Education Vol. 16 No. 1 (2024): April 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v15i1.3517

Abstract

Gyrinops versteegii tends to grow naturally in the western region of Lombok Island, while cultivated G. versteegii tends to spread over the eastern region. These two distribution patterns cause different characteristics of this species that can be excellent sources for genetic population study including genetic diversity and population inbreeding. This research aims to conduct a genetic population analysis of G. versteegii from western and eastern agarwood distribution on Lombok Island using the RAPD marker. G versteegii samples were taken from west region (8o 31ʹ 26ʺ S, 116o 07ʹ 03ʺ E) and east region (8o 42ʹ 28ʺ S, 116o 27ʹ 11ʺ E). RAPD PCR of genomic DNA was conducted using primers: OPA-01, OPA-02, OPA-04, OPA-08, OPA-09, and OPA-18. Genetic population analysis (allele frequencies, heterozygosity, Shannon index, band pattern, and AMOVA) was performed by GenAlEx 6.5. OPA-02 has an ideal discriminative power based on the number of alleles per locus and the Shannon information index. Observed heterozygosity was higher than expected heterozygosity in both the west and east populations of G. versteegii. Based on banding pattern analysis, the eastern population has higher genetic diversity than the western population. AMOVA has shown that molecular variation within the population was higher than molecular variation among the population. It could be concluded that the west and east populations of G. versteegii have a particular genetic variation that could be discriminated by RAPD primer. Despite the genetic diversity, inbreeding between those two populations has occurred constantly. This result could give new insight into the gene flow between two G. versteegi populations, which could support the development of this commodity.
Co-Authors . Akram Aini, Husnul Akram Akram, . Anita Nugraheni, Yosephin Martha Maria Anri M Shaleh Deana, Anri M Shaleh Arbi Sanjaya Baharudin Baharudin Baiq Arriyadul Badi’ah Cep Ahmad Muhtar Dewi, Ni Putu Ety Efendi Iskandar Farouq Isbulloh Fathurrahman Fathurrahman Fatihatum, Fatihatum Gunawan, Frendi Hafiz, Yusron Hairani Hairani Hairani Hendriko, Albert Hidayah, Zoya Saharani Hidayat Wicaksono Hidayati, Diana Husnul Jannah I Gde Dharma Atmaja I Gusti Agung Ayu Hari Triandini Ida Ayu Widhiantari Irama, Ade Isbulloh, Farouq Isviyanti, Isviyanti Kandisa, Amelia Kemas Usman Kurnia, Nova Lalu Kesumajayadi Lutfi Anggadhania Lutfi Anggadhania Malik, Nina Malik, Sukardi Masrilurrahman, LL. Suhirsan Mirawati, Baiq Muhamad Sumarlin Nahlunnisa, Hafizah Ni Made Gita Gumangsari Ni Made Gita Gumangsari Nova Kurnia Putri, Dina Soes Putu Surya Wedra Lesmana Raden Roro Narwastu Dwi Rita Radjali Amin Rahma Ziska Rosa Martadiana Sad Kurniati Wanitaningsih Sad Kurniati Wanitaningsih Sad Kurniati Wanitaningsih Sadir, Muhammad Salman Al Farisi Sami'un Sarowan Wahid Sukardi Malik Wahyu Yuniati Nizar Wanitaningsih, Sad Kurniati Wayan Wangiyana Wiranto Wiranto Wulandari, Febriana Wulandari, Febriana Tri Yani Mulyani Yayan Suherna Putri Yulia Ratnaningsih Yulia Ratnaningsih Yulia Ratnaningsih Zarkasi Nur