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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences BIOTROPIA - The Southeast Asian Journal of Tropical Biology
Lily Ismaini
UPT Balai Konservasi Tumbuhan Kebun Raya Cibodas-LIPI, Cipanas, Cianjur, Jawa Barat 43253 , Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Veterinary

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Fruit Nutrients of Five Species of Wild Raspberries (Rubus spp.) from Indonesian Mountain’s Forests Muhammad Imam Surya; Siti Suhartati; Lily Ismaini; Yuyun Lusini; Destri Destri; Dian Anggraeni; Suluh Normasiwi; Nurul Asni; Mirwan Abu Bakar Sidiq
Journal of Tropical Life Science Vol. 8 No. 1 (2018)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.08.01.13

Abstract

Rubus spp. (wild raspberries) is one of genera belongs to Rosaceae, also distributed in the mountain forest of Indonesia. It has a high potency to be cultivated plant. Although, some of the potential of Rubus has already known, information of about fruit nutrients of species that distribute in the mountain forest of Indonesia are not known yet. This study was aimed to determine the fruit nutrients of five species of wild raspberries that was collected in Cibodas Botanical Garden. The results of our experiments demonstrate that the fruits nutrients contents varied among five species of wild raspberries from Indonesian mountain's forests. Rubus fraxinifolius has the highest content of sugar (5.05 g sugar per 100 g fruits) compared to Rubus rosifolius, Rubus chrysophyllus, Rubus lineatus and raspberry. During the ripening and ripe period, there were a different value of vitamin C and iron contents. The highest vitamin C of R. fraxinifolius (83.65 mg/100 gram) on the ripening fruit stage II. On the other hand, the highest vitamin C of R. rosifolius (54.30 mg/100 gram) found on the stage of ripe fruit.
YEAST EXTRACT ELICITATION  ENHANCES METABOLITE PRODUCTION IN Alocasia cuprea CALLUS Zozy Aneloi Noli; Suwirmen; Lily Ismaini; Meza Rani Maudya
BIOTROPIA Vol. 33 No. 3 (2026): BIOTROPIA Vol. 33 No. 3 September 2026
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2026.33.3.2649

Abstract

ARTICLE HIGLIGHTSYeast extract boosts metabolitesEnhances bioactive yieldBest at moderate dose (150 mg/L)ABSTRACTAlocasia cuprea is a tropical ornamental plant species belonging to the family Araceae, widely recognized for its distinctive and aesthetically appealing foliage. Additionally,  it represents a promising source of bioactive metabolites. This study aimed to evaluate the potential of yeast extract elicitation for enhancing metabolite production in A. cuprea callus culture established through in vitro propagation. The methods used in this study included callus induction, elicitation treatments, and phytochemical analysis of A. cuprea callus. The experiment was conducted using a completely randomized design (CRD) consisting of five yeast extract concentrations (0, 50, 100, 150, and 200 mg/L) with six replications. The results revealed that elicitation treatment did not affect callus biomass. Morphologically, the callus exhibited a friable texture and changed in color from off-white to yellowish-brown following elicitation. However, elicitation increased both the yield and diversity of metabolites in A. cuprea callus cultures. The optimal yeast extract concentration for enhancing the accumulation of major metabolites in A. cuprea was 150 mg/L. At this concentration, the levels of n-hexadecanoic acid, 9,12-octadecadienoic acid (Z,Z)-, and squalene increased by 6.67%, 82.49%, and 291.60%, respectively, compared with control. Nevertheless, the accumulation patterns of individual compounds varied across treatments, indicating that each metabolite exhibits a specific biosynthetic response to variations in yeast extract concentration.
Co-Authors Anak Agung Gede Sugianthara Destri Destri Meza Rani Maudya Mirwan Abu Bakar Sidiq Muhammad Imam Surya Nurul Asni Siti Suhartati Suluh Normasiwi Suwirmen Yuyun Lusini Zozy Aneloi Noli