scholarly journals KARAKTERISTIK BIOMASSA DAUN BUNGA SEPATU MENJADI BAHAN BAKAR STERNO GEL

2021 ◽  
Vol 2 (2) ◽  
pp. 22-32
Author(s):  
Rini Kartika Dewi ◽  
Muyassaroh ◽  
Jimmy
Keyword(s):  
Hibiscus Rosa Sinensis

Sterno gel daun bunga sepatu (Hibiscus rosa-sinensis L.) merupakan sumber energi alternatif yang dapat digunakan sebagai bahan bakar dikarenakan mempunyai karakteristik tidak mudah menguap, selama proses pembakaran  tidak berasap, tidak berjelaga serta tidak menghasilkan emisi gas yang berbahaya dan karsinogenik serta tidak mempunyai dampak emisi terhadap lingkungan, Di dalam daun bunga sepatu terdapat kandungan saponin,  β-sitosterol, stigmasterol, tarakseril asetat dan 3-siklopropan dan turunannya yang akan larut baik dalam air maupun etanol dan akan membentuk koloidal dalam air. Dengan komposisi tersebut peneliti memanfaatkan biomassa daun bunga sepatu menjadi bahan bakar sterno gel, dimana pada penelitian ini variablenya  adalah filtrat massa daun bunga sepatu :10,1 20, 30, 40,50,60 dan 70 gram dan massa karbopol :1, 1.5, 2 dan 2.5 gram. Dari penelitian didapatkan waktu pembakaran terbaik pada 60 gram massa filtrat bunga sepatu dan massa karbopol 2.5 gram yaitu 25,02 menit dengan  nilai emisi gas yang dihasilkan NOx : 4 ppm, SO2 : 3 ppm dan H2S : 2 ppm. Sedangkan nilai kalornya adalah 3500 kalori.

Influence of Selected Endomycorrhizae from the Sonoran Desert and Glomus intraradices on Growth Response and Gas Exchange of Hibiscus rosa-sinensis L. cv. Leprechaun

HortScience ◽  
1998 ◽  
Vol 33 (3) ◽  
pp. 501d-501
Author(s):  
Jonathan N. Egilla ◽  
Fred T. Davies
Keyword(s):  
Gas Exchange ◽  
Sonoran Desert ◽  
Growth Response ◽  
Glomus Intraradices ◽  
Root Colonization ◽  
Gas Exchange Parameters ◽  
Hibiscus Rosa Sinensis ◽  
Low Phosphorus ◽  
The Relationship ◽  
Exchange Parameters

Six endomycorrhiza isolates from the Sonoran Desert of Mexico [Desert-14(18)1, 15(9)1, 15(15)1, Palo Fierro, Sonoran, and G. geosporum] were evaluated with a pure isolate of Glomus intraradices for their effect on the growth and gas exchange of Hibiscus rosa-sinensis L. cv. Leprechaun under low phosphorus fertility (11 mg P/L). Rooted cuttings of Hibiscus plants were inoculated with the seven mycorrhiza isolates and grown for 122 days. Gas exchange measurements were made on days 26, 88, and 122 after inoculation, and plants were harvested on day 123 for growth analysis. Plants inoculated with the seven isolates had 70% to 80% root colonization at harvest. Plants inoculated with G. intraradices had significantly higher leaf, shoot and root dry matter (DM), leaf DM/area (P ≤ 0.05) than those inoculated with any of the six isolates, and greater leaf area (LA) than Desert-15(9)1 and 15(15)1. Uninoculated plants had significantly lower leaf, shoot, root DM, leaf DM/area and LA (P ≤ 0.05) than the inoculated plants. There were no differences among the seven isolates in any of the gas exchange parameters measured [photosynthesis (A) stomatal conductance (gs), the ratio of intercellular to external CO2 (ci/ca), A to transpiration (E) ratio (A/E)]. The relationship between inoculated and uninoculated plants in these gas exchange parameters were variable on day 122 after inoculation.

scholarly journals ANTI IMPLANTATION AND PREGNANCY INTERRUPTION ACTIVITY OF JAPAKUSUMA (HIBISCUS ROSA SINENSIS) IN ALBINO RATS

2013 ◽  
Vol 4 (3) ◽  
pp. 387-389
Author(s):  
Kashinath Hadimur ◽  
R S Sarashetti ◽  
N D Lone ◽  
V G Kanthi ◽  
Neelamma Patil
Keyword(s):  
Albino Rats ◽  
Hibiscus Rosa Sinensis ◽  
Pregnancy Interruption

Rosellinia bunodes. [Descriptions of Fungi and Bacteria].

1972 ◽  
Author(s):  
A. Sivanesan
Keyword(s):  
Geographical Distribution ◽  
Transverse Section ◽  
Woody Debris ◽  
Soil Surface ◽  
Root Surface ◽  
Grevillea Robusta ◽  
Hibiscus Rosa Sinensis ◽  
Whole Plant ◽  
Petiveria Alliacea ◽  
Tropical America

Abstract A description is provided for Rosellinia bunodes. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On arrowroot, Artocarpus integer, avocado, banana, cacao, camphor, cassava, Centrosemapubescens, Cinchona, Citrus, coffee, Colocasia antiquorum, Crotalaria, Desmodium gyroides, Dryobalanops aromatica, Erythrina, ginger, Gliricidia, Grevillea robusta, Hibiscus rosa-sinensis, Holigarna longifolia, Indigofera, Inga laurina, Leucaena glauca, Litsea, pepper (black), Petiveria alliacea, Phyllanthus, rattan, rubber, Schleichera trijuga, tea, Tephrosia and yams. DISEASE: Black root rot, mainly of tropical and subtropical woody hosts; plurivorous but described mostly from cacao (Theobroma cacao), quinine (Cinchona spp.), coffee (Coffea spp.), rubber (Hevea brasiliensis) and tea (Camellia sinensis). Wilt and death of the whole plant or single branches may be the first signs of attack. At the collar the mycelial sheet is at first cream-white shading to purplish-black and may extend well above the soil surface in damp conditions. On the root surface the firm, black, branching strands are firmly applied and thicken into irregular knots. In the cortex the strands have a black periphery and white core; in the wood they appear thread-like and black or sometimes as dots in transverse section. In culture the mycelium is white, later buff with black strands. GEOGRAPHICAL DISTRIBUTION: Widespread in tropical America and also in Central African Republic, India (Nilgris, Maharashtra). Indonesia (Java, Sumatra), Malaysia (W.), Philippines. Sri Lanka (Ceylon) and Zaire Republic (CMI Map 358, ed. 2, 1970). Additional records not yet mapped are Honduras, Panama. TRANSMISSION: As mycelium from surface oreanic litter and woody debris.

Fermentation behavior of osmophilic yeast Candida tropicalis isolated from the nectar of Hibiscus rosa sinensis flowers for xylitol production

2011 ◽  
Vol 101 (2) ◽  
pp. 393-402 ◽  
Author(s):  
Swati Misra ◽  
Shailendra Raghuwanshi ◽  
Pritesh Gupta ◽  
Kakoli Dutt ◽  
R. K. Saxena
Keyword(s):  
Candida Tropicalis ◽  
Xylitol Production ◽  
Hibiscus Rosa Sinensis
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