Drynaria sparsisora, commonly known as the "langlayang fern," is a member of the Polypodiaceae family. This plant typically grows on rocks, in open areas, along riverbanks, and can also exist as an epiphyte on tall trees. Its leaves are characterized by fertile margins with a pinnate venation pattern, and the central part of the petiole is broad, short, and thin. This study aims to isolate seco…
Areca nut (Areca catechu L.) contained areca nut fiber waste that can be utilized as an alternative source of adsorbent, because it contains high cellulose. This research aims to determine the adsorbent dose and optimum pH for Methyl Orange dye adsorption. The adsorption method used in the research was Batch adsorption of Methyl Orange dye with adsorbent dose variation (0.8; 1; 1.2 and 1.4 g) a…
Arcangelisia flava (L.) Merr, commonly known as "akar kuning," is a member of the Menispermaceae family that grows in Indonesia’s tropical forests and is characterized by its yellow climbing stem. Traditionally, this plant has been used to treat malaria, diabetes, and skin infections. This study aims to isolate secondary metabolite compounds from the ethyl acetate extract of A. flava leaves a…
Epipremnum pinnatum (L.) Engl is a herbal plant that is very popular in China as an anticancer remedy and acts to increase the bodys immunity in preventing frightening diseases and can also be used to treat diabetes sufferers. The research aims to isolate and carry out toxicity test for secondary metabolite compounds from n-hexane extract of E. pinnatum (L) Engl. Isolation of secondary metaboli…
Drynaria sparsisora, commonly known in Java as “simbar layangan” or “paku langlayang”, belongs to the family Polypodiaceae. This plant is characterized by an upright rhizome with a tapering base and dense scales, as well as dimorphic leaves. It is often found growing on rocks, in open areas such as riverbanks, and on tall trees. This study aimed to isolate secondary metabolites from the…
The white jabon fruit (Anthocephalus cadamba Miq.) has potential to be used as a biosorbent for removing various synthetic dye pollutants, including Rhodamine B. This fruit was chosen because it contains a high amount of cellulose, which supports the adsorption process. The adsorption ability is expected to be improved through chemical activation using NaOH and further enhanced by combining wit…
Monstera deliciosa Liebm is a plant that creeps on trees and can be used as an ornamental plant that belongs to the Araceae family. This study aims to isolate and identify secondary metabolite compounds from the n-hexane fraction of M. deliciosa stems and conduct toxicity testing of secondary metabolite extracts from M. deliciosa stems using the brine shrimp lethality test (BSLT) method. Isola…
Palm shell (Elaeis guineensis Jacq.) was a palm oil plantation waste that was useful as an adsorbent because it contained cellulose, which played a role in the adsorption process, including heavy metals that were commonly found in mixed forms in the environment. This study aimed to determine the optimum conditions of stirring speed and temperature for the adsorption of cadmium(II) and iron(III)…
Empty fruit bunches (EFB) of oil palm (Elaeis guineensis Jacq.) are an agricultural waste with potential to be utilized as activated carbon for heavy metal adsorption. The cellulose content within EFB serves as a carbon source, whose effectiveness can be enhanced through an activation process. In this study, activation was carried out using 0.1 M NaOH solution to increase the number of active s…
Pyrazole is a five-membered heterocyclic compound consisting of three carbon atoms and two nitrogen atoms positioned adjacent to each other and having a double bond within the pyrazole ring. This compound has attracted considerable attention due to its diverse biological activities, particularly as an anticancer agent. This study aims to synthesize a naphthalene-substituted pyrazole compound wi…
Pyrazoline is a group of heterocyclic compounds derived from dihydropyrazole with one endocyclic double bond that possesses various biological activities, including as an anticancer agent. This research synthesized the pyrazoline compound 3-(naphthalen-2-yl)-5-(2-nitrophenyl)-1-phenyl-4,5- dihydro-1H-pyrazole (PFH-2NFT-2NO2) and evaluated its potential as a breast and cervical anticancer age…
Activated sweetcorn husk (Zea mays saccharata Sturt) treated with H₂SO₄ has been studied for its effectiveness as an adsorbent due to its large surface area and abundant active sites within its structure. This research aimed to determine the optimal adsorbent dosage and the optimum pH for the adsorption of Rhodamine B dye. The adsorption process was conducted in batch mode using various ads…
Activated sweetcorn husk (Zea mays saccharata Sturt.) carbon using H2SO4 has potential as an adsorbent for Rhodamine B dye adsorption. The H2SO4 activator removes impurities, increasing the surface area. This study aims to determine the adsorption efficiency, capacity and kinetic model. The method was used a batch system with variations contact time (30, 45, 60, 75 and 90 minutes) and stirring …
Activated sweet corncob (Zea mays saccharata Sturt.) carbon has potential as an adsorbent material due to its large surface area and abundance of active sites, making it effective for adsorbing Rhodamine B dye. The activated carbon was activated using sodium hydroxide (NaOH), which functions to break lignin and cellulose bonds, thereby expanding the surface area and enhancing the formation of a…
Sweetcorn cob activated carbon (Zea mays saccharata Sturt.) has shown potential as an adsorbent due to its large surface area and abundant active sites, making it effective in adsorbing the dye Rhodamine B. The adsorption capability of sweetcorn cob carbon was enhanced through activation using sodium hydroxide (NaOH). This NaOH activation serves to break the bonds between lignin and cellulose, …
Taxus sumatrana is a plant that grows in the highlands and is included in the Gymnospermae subdivision. The branches of the T. sumatrana have various chemical contents with several biological activities. According to various studies, T. sumatrana contains secondary metabolites such as alkaloids, saponins, flavonoids, and terpenoids. Secondary metabolite extracted from T. sumatrana are know to p…
Oil palm empty fruit bunches (Elaeis guineensis Jacq.) are one of the production residues in the form of solid waste that has the potential as activated charcoal as an Escherichia coli (E. coli) adsorbent. The presence of cellulose in oil palm empty fruit bunches plays an important role as a carbon source in adsorbing E. coli. This study aims to determine the variation of adsorbent dosage and c…
Pyrazolines is a five-ring compound and a heterocyclic compound containing two nitrogen bases formed from chalcone (reaction between ketone and aldehyde) with hydrazine through condensation and cyclization reactions. Pyrazolines have various activities, one of which was anticancer activity. This study aims to synthesized the pyrazoline was -3-(naphthalene-2-yl)-5-(3-nitrophenyl)-1-phenyl-4,5-di…
Oil palm empty fruit bunch charcoal (Elaeis guineensis Jacq.) is a potential raw material that can be utilized as an adsorbent for Escherichia coli (E. coli). The cellulose content in the empty fruit bunch charcoal acts as a carbon source in the E. coli adsorption process, whose efficiency can be enhanced through an activation process using ZnCl₂ as an activating agent. The addition of ZnCl2…
ABSTRACT Terephthalic acid is used as the main raw material for making polyester yarn fiber for the textile industry, as the main raw material for making "polyester chips" as a raw material for making polyester fiber which is useful for textile raw materials, tires, seatbelts, reinforcement and heat-resistant jackets, as polyester filament for polyester yarn raw materials, can be used as a…