Guava: A Nutraceutical-Rich Underutilized Fruit Crop

Mathiazhagan, Malarvizhi; Chinnaiyan, Vasugi; Ravishankar, Kundapura V.

doi:10.1007/978-981-19-4169-6_42

Compendium of Crop Genome Designing for Nutraceuticals 2023

DOI: 10.1007/978-981-19-4169-6_42

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Guava: A Nutraceutical-Rich Underutilized Fruit Crop

Malarvizhi Mathiazhagan,

Vasugi Chinnaiyan,

Kundapura V. Ravishankar

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2024

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Cited by 3 publications

References 94 publications

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Enhanced health benefits of Psidium guajava peel fermented with Lactiplantibacillus from Myeolchi-jeot: Antioxidant, anti-inflammatory, and anti-cancer properties

Mohan,

Muthukumar Sathya,

Lee

et al. 2024

Food Bioscience

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Enhanced health benefits of Psidium guajava peel fermented with Lactiplantibacillus from Myeolchi-jeot: Antioxidant, anti-inflammatory, and anti-cancer properties

Mohan,

Muthukumar Sathya,

Lee

et al. 2024

Food Bioscience

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Development and biochemical characterization of freeze‐dried guava powder fortified with Lactobacillus plantarum

Yousaf,

Zeng,

Abbasi

et al. 2024

Journal of Food Science

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Guava (Psidium guajava L.) is one of the most nutrient‐dense fruits, which is native to tropical and subtropical regions of the world. The processing of value‐added products from guava has not been carried out on a scale similar to some other fruits, which offers an opportunity to fully exploit the potential of this fruit, such as guava‐based nutraceutical food products. The objectives of the present study were to develop freeze‐dried guava powders (FDGPs) from two guava varieties (white and pink) and characterize their physico‐chemical and nutritional properties. FDGP was also incorporated with probiotic strains of Lactobacillus plantarum, to develop a healthy nutraceutical probiotic supplement. Functional groups assessed by Fourier transform infrared (FTIR) spectroscopy exhibited the existence of strong C–Br stretch, O–H stretch, and C = C stretch vibrations; however, scanning electron micrograms (SEMs) showed the flaky structure indicating the presence of starch, dietary fibers, and esterified groups of pectin. Significant mineral concentrations (mg/100 g) of potassi‐um (323–362), magnesium (26.2–28.8), zinc (0.43–0.51), and iron (0.52–0.63) were observed in FDGPs. The FDGP samples from both guava varieties had high levels of crude fiber (43.94–46.29%), vitamin C (2.27–2.49 mg/g), and phenolic compounds (57.50–61.86 mg GAE/g) as well as significant antioxidant properties. Fortification of FDGP with L. plantarum strains produced significant results in terms of probiotic viability that was nearly maintained at 108 CFU/g up to 60 days in the final product. The viability of probiotics proved that FDGP is a good carrier of prebiotics and can be utilized as a potent probiotic supplement.

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A high-density linkage map construction in guava (Psidium guajava L.) using genotyping by sequencing and identification of QTLs for leaf, peel, and pulp color in an intervarietal mapping population

Mathiazhagan,

Elangovan,

Chinnaiyan

et al. 2024

Front. Plant Sci.

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Psidium guajava L. is an important fruit crop in the tropical and subtropical regions of the world. The advanced breeding methods are not employed for important commercial traits like peel and pulp color, seed hardiness, fruit size, etc., due to the scarcity of genome-wide molecular markers and high-density linkage maps. In this study, we employed single-nucleotide polymorphism (SNP) markers and identified quantitative trait loci (QTL) regions that are associated with color traits of leaf, peel, and pulp in the guava intervarietal mapping population. The mapping population was developed from the contrasting genotypes of fruit and leaf color. Variations in color among the segregating hybrids were recorded both visually and using a Color reader. A high-density linkage map of guava was constructed using the SNP markers from genotyping by sequencing (GBS) of 150 hybrid individuals of the cross ‘Arka Poorna’ (green) x ‘Purple Local’ (purple). The integrated linkage map consisted of 1426 SNPs mapped on 11 linkage groups (LG), spanning a total distance of around 730 cM with an average of 129.6 markers per LG. Through QTL analysis for color traits, a minor QTL region was identified for visually scored leaf color and peel color on LG1, whereas a major QTL was detected for pulp color in LG4. The Hunter color values (L* and, a*) also had major QTLs with overlapping marker intervals for leaf and peel colors, establishing the association of SNP markers to the trait. The QTLs harbored genes and transcription factors involved in lycopene and anthocyanin pigment biosynthesis. This is the first report of a high-density linkage map based on SNP markers in guava and QTL mapping for color characters in leaf, fruit peel and pulp. The genotyping information generated in this study can aid in genetic engineering and marker-assisted breeding in guava.

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Guava: A Nutraceutical-Rich Underutilized Fruit Crop

Cited by 3 publications

References 94 publications

Enhanced health benefits of Psidium guajava peel fermented with Lactiplantibacillus from Myeolchi-jeot: Antioxidant, anti-inflammatory, and anti-cancer properties

Enhanced health benefits of Psidium guajava peel fermented with Lactiplantibacillus from Myeolchi-jeot: Antioxidant, anti-inflammatory, and anti-cancer properties

Development and biochemical characterization of freeze‐dried guava powder fortified with Lactobacillus plantarum

A high-density linkage map construction in guava (Psidium guajava L.) using genotyping by sequencing and identification of QTLs for leaf, peel, and pulp color in an intervarietal mapping population

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