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Subject: Biochemistry × Author: Amandeep Kaur × End date: 2021 × Start date: 2020 × Thesis Type: M.Sc ×
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    ThesisItemOpen Access
    Biochemical evaluation of immature pods and mature seeds of wild abelmoschus genotypes
    (Punjab Agricultural University, Ludhiana, 2021) Amandeep Kaur; Sangha, Manjeet Kaur
    In the present study the immature pods and seeds of wild Abelmoschus species were biochemically characterised. Total carbohydrates in pods varied from 22.34- 93.10% DW. Total soluble sugars (TSS), reducing sugars and non-reducing sugars exhibited range of 13.74- 84.36%, 0.17- 19.41% and 31.25- 64.95% DW respectively. Mucilage, dry matter, ash, crude protein and total soluble protein depicted range of 6.64- 19.64% DW, 11.18- 27.59%, 1.10- 6.94%, 2.13- 6.32% and 0.93- 3.56% FW respectively. Free amino acids range was 0.16- 0.27% (FW). Carotenoids, phenolics, O-dihydroxyphenols and flavonols varied from 4.48- 13.25 mg/100 g FW, 122.95- 412.01 mg/100 g DW, 4.30- 17.99 mg/100g and 63.63- 274.49 mg/100g DW respectively. Vitamin E and C varied from 15.14- 51.24 mg/100 g DW and 41.26- 120.10 mg/100 g FW respectively. DPPH and FRAP activity ranged from 39.74- 62.90% and 4.54- 11.22 mg AAE/g DW respectively. Phytate, oxalate, saponin and tannins depicted variation of 0.65- 2.08% DW, 0.23- 0.63% DW, 0.19- 1.04% DW, and 1.26- 3.30% DW respectively. Seed oil ranged from 10.68-27.61% DW. A. manihot and A. tetraphyllus pods were high in antioxidants, mucilage and low in tannins and saponins. A. moschatus was rich in nutrients in pods and Vit. E, oleic, linoleic acid and minerals in seeds, while A. tetraphyllus possessed high antioxidants and was low in phytate and oxalate and A. mizonagenesis exhibited high seed oil content. These genotypes can be used for improvement of cultivated okra for end product diversification.