Tropical Plant Research

Tropical Plant Research

An International Journal by Society for Tropical Plant Research

ISSN (E): 2349-1183 ISSN (P): 2349-9265
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2020, VOLUME 7 ISSUE 1Pages: 1-5

Changes in nutraceutical attributes in soybean raised at varying growing temperature

Vineet Kumar*, Virender Singh Bhatia, Anita Rani, Priyamvada Jha and Kanchan Jumrani
*ICAR- Indian Institute of Soybean Research, Indore-452001, Madhya Pradesh, India
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Abstract:
Investigations concerning the influence of growing temperature on the accumulation of nutraceutical traits in soybean seeds are limited. In the present study, 3 soybean genotypes were raised at 24ºC, 28ºC, and 32ºC; and the freshly harvested seeds were assessed for tocopherol isomers content, vitamin E activity, fatty acid composition, isoflavones content, and thiobarbituric acid (TBA) number. All the genotypes exhibited a sharp increase in α tocopherol, with a concomitant decline in γ tocopherol, at 32ºC. Further, lower levels of α-linolenic acid and TBA number were observed at 32ºC. Changes in the levels of daidzein, genistein and glycitein due to the increase in growing temperature were genotype-dependent. The results showed an increase in the nutraceutical value of soybean raised under elevated temperature.
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