Assesment of skin color changes in Pineapple MD2 using CIE L*a*b* color space

Nurhazimah Md Hasmartuah, . and Rashidah Ruslan, . and Aimi Athirah Aznan, . (2025) Assesment of skin color changes in Pineapple MD2 using CIE L*a*b* color space. Advances in Agricultural and Food Research Journal (AAFRJ) (Malaysia), 6 (2). pp. 1-14. ISSN 2735-1084

Pineapples serve as an excellent source of essential vitamins and minerals, and their consumption is predominantly in the fresh state due to the fruit’s appealing taste. Harvesting pineapples based on skin color provides valuable insights into the ripening stages of the fruit. Therefore, this study aims to assess the pineapple skin color changes non-destructively using CIE L* a* and b* color coordinates to identify significant changes on the ripening index color. A total of thirty-five MD2 pineapples were harvested, and their skin color changes were evaluated using a colorimeter (Minolta Chromameter, Model CR400). The analysis involved a one-way ANOVA, which revealed a significant difference in color parameters across ripening indices. Furthermore, Tukey’s Test HSD (p < 0.005) highlighted a substantial shift in colors, particularly in the a* (greenness) and b* (yellowness) values, from index 1 to index 7. This study aid in the process of developing non-destructive technology for grading and quality inspection of MD2 pineapple.

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Abstract

Pineapples serve as an excellent source of essential vitamins and minerals, and their consumption is predominantly in the fresh state due to the fruit’s appealing taste. Harvesting pineapples based on skin color provides valuable insights into the ripening stages of the fruit. Therefore, this study aims to assess the pineapple skin color changes non-destructively using CIE L* a* and b* color coordinates to identify significant changes on the ripening index color. A total of thirty-five MD2 pineapples were harvested, and their skin color changes were evaluated using a colorimeter (Minolta Chromameter, Model CR400). The analysis involved a one-way ANOVA, which revealed a significant difference in color parameters across ripening indices. Furthermore, Tukey’s Test HSD (p < 0.005) highlighted a substantial shift in colors, particularly in the a* (greenness) and b* (yellowness) values, from index 1 to index 7. This study aid in the process of developing non-destructive technology for grading and quality inspection of MD2 pineapple.

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Item Type:	Article
AGROVOC Term:	pineapples
AGROVOC Term:	harvesting
AGROVOC Term:	grading
AGROVOC Term:	colorimeters
AGROVOC Term:	vegetation greenness
Geographical Term:	Malaysia
Depositing User:	Mr. MUHAMMAD FARHAN AFIF MOHD NAZRI
Date Deposited:	14 Aug 2026 02:18
Last Modified:	14 Aug 2026 02:18
URI:	http://webagris.upm.edu.my/id/eprint/26774

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