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All Journal Journal of Social And Economics Research journal of social and economic research
Nazwalifia Nursyifa
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Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Social Sciences

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EFFECT OF LIGHT INTENSITY ON CHLOROPHYLL CONTENT IN SPINACH LEAVES (Amaranthus sp.) annisa, desti khairani nur; Dea Aulia; Desti khairani Nur Annisa; Erlina Utami; Nazwalifia Nursyifa; Mira Andriyani
Journal of Social and Economics Research Vol 7 No 2 (2025): JSER, December 2025
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/jser.v7i2.1140

Abstract

This research aims to determine the effect of light intensity on chlorophyll content in spinach leaves (Amaranthus sp.). Light is an essential factor in photosynthesis, directly influencing chlorophyll formation. The study was conducted using four light intensity treatments: 25%, 50%, 75%, and 100%. Chlorophyll content was analyzed using the acetone extraction method and absorbance measurement with a spectrophotometer at wavelengths of 645 nm and 663 nm. The results showed that increasing light intensity significantly affected chlorophyll content. The highest chlorophyll concentration was found at 75% light intensity (1.85 mg/g), while the lowest was at 25% (0.94 mg/g). Thus, the optimal light intensity for chlorophyll formation in spinach leaves is moderate (75%).
EFFECT OF LIGHT INTENSITY ON CHLOROPHYLL CONTENT IN SPINACH LEAVES (Amaranthus sp.) annisa, desti khairani nur; Dea Aulia; Desti khairani Nur Annisa; Erlina Utami; Nazwalifia Nursyifa; Mira Andriyani
Journal of Social and Economics Research Vol 7 No 2 (2025): JSER, December 2025
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/jser.v7i2.1140

Abstract

This research aims to determine the effect of light intensity on chlorophyll content in spinach leaves (Amaranthus sp.). Light is an essential factor in photosynthesis, directly influencing chlorophyll formation. The study was conducted using four light intensity treatments: 25%, 50%, 75%, and 100%. Chlorophyll content was analyzed using the acetone extraction method and absorbance measurement with a spectrophotometer at wavelengths of 645 nm and 663 nm. The results showed that increasing light intensity significantly affected chlorophyll content. The highest chlorophyll concentration was found at 75% light intensity (1.85 mg/g), while the lowest was at 25% (0.94 mg/g). Thus, the optimal light intensity for chlorophyll formation in spinach leaves is moderate (75%).
Co-Authors annisa, desti khairani nur Dea Aulia Desti khairani Nur Annisa Erlina Utami Mira Andriyani