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All Journal Fullerene Journal of Chemistry Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya
Hasti Asfarina
Universitas Singaperbangsa Karawang
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry

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SUSTAINABLE LIGNIN EXTRACTED FROM BANANA STEM BIOMASS AS A FUNCTIONAL UV-BLOCKING INGREDIENT IN SUNSCREEN Sheryl Ayesha; Nanda Aurelia Salsabila S; Teguh Pambudi; Hasti Asfarina; Hilman Imadul Umam; Fajar Amelia Rachmawati Putri
Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya Vol. 8 No. 1 (2026): Literasi Artikel Penelitian Kimia
Publisher : Program Studi Kimia, Fakultas MIPA, Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/jc.v8i1.7005

Abstract

Banana stem biomass, an abundant agricultural by-product, contains significant lignin content and offers strong potential for valorization through green extraction technologies. In this study, lignin was extracted using an environmentally friendly Deep Eutectic Solvent (DES) composed of choline chloride and citric acid and subsequently incorporated into sunscreen cream formulations at concentrations of 2%, 3%, and 4%. The photoprotective performance of the formulations was evaluated through UV–Vis spectrophotometry, while pH measurements ensured compliance with SNI 16-4399-1996. FTIR analysis was conducted to compare the structural characteristics of DES-extracted lignin with those obtained using conventional NaOH extraction. The results revealed that all lignin-based formulations effectively absorbed UVA (320–400 nm) and UVB (280–320 nm) radiation, with UV absorbance increasing alongside lignin concentration; the 4% formulation showed the strongest UV-blocking capability. All samples maintained a skin-compatible pH of approximately 6. FTIR spectra further indicated that DES-extracted lignin preserved aromatic structures more effectively than NaOH-extracted lignin. Overall, the findings highlight the potential of banana stem-derived lignin as a natural UV-blocking and antioxidant ingredient for eco-friendly sunscreen products, supporting the advancement of sustainable cosmetic innovation.
Purification and Preliminary Characterization of Biopigments From Nitzschia closterium Hasti Asfarina; Dayu Wiyanti Purnaningtyas
Jurnal Kimia Fullerene Vol 11 No 1: Fullerene Journal Of Chemistry
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/fjc.v11i1.757

Abstract

Biopigments are important bio-based compounds used in food, pharmaceutical, and cosmetic industries. Nitzschia closterium, a marine diatom microalga, is known for its potential to produce various pigments. This study aimed to purify and preliminarily characterize biopigments extracted from Nitzschia closterium. The research involved microalgal biomass cultivation, harvesting, pigment extraction, preliminary identification using thin-layer chromatography (TLC), and purification through column chromatography. After six days of cultivation, the average biomass density reached 1.67 g/L. TLC analysis of the crude pigment extract showed nine distinct pigment bands. Chromatographic purification and comparison with the TLC profile indicated four major pigment groups. Fractions 16 and 17 were predicted to be β-carotene (band 9); fractions 18 and 19 likely represented pheophytins (band 8); fractions 20 to 30 contained chlorophylls and their derivatives (bands 5–7); and fractions 31 to 45 showed orange-yellow hues associated with xanthophyll-type carotenoids (bands 2–4). These results demonstrate that Nitzschia closterium is a promising natural source of multiple biopigments, and that TLC and column chromatography effectively supported their purification and initial characterization.
Co-Authors Dayu Wiyanti Purnaningtyas Fajar Amelia Rachmawati Putri Hilman Imadul Umam Nanda Aurelia Salsabila S Sheryl Ayesha Teguh Pambudi