Change of Proximate Composition, Antioxidant Activity, and Ginsenoside Content of White Ginseng with Different Roasting Conditions

Yu, Junsheng; Jang, In-Bae; Moon, Ji-Won; Jang, In-Bok; Kim, Young-Chang; Kim, Dong‐Hwi; Suh, Su-Jeoung

doi:10.7783/kjmcs.2022.30.1.1

Cited by 1 publication

(1 citation statement)

References 33 publications

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“…For example, Jeong et al [32] found that the content of TPC increased significantly after baking dry ginseng powder, probably because Maillard reaction products with a phenol structure were produced during baking, which increased the content of TPC. Jin et al [33] found that the content of TPC increased significantly after baking ginseng roots at 140-200 • C and speculated that baking would transform the combined polyphenol compounds into free polyphenols to increase the content of TPC. In the present study, the TPC in American ginseng leaves increased after FIR heat treatment.…”

Section: The Effect Of Fir Heat Treatment On the Tpc In American Gins...mentioning

confidence: 99%

Increasing the Amounts of Bioactive Components in American Ginseng (Panax quinquefolium L.) Leaves Using Far-Infrared Irradiation

Wang,

Kim,

Han

et al. 2024

Foods

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Both the roots and leaves of American ginseng contain ginsenosides and polyphenols. The impact of thermal processing on enhancing the biological activities of the root by altering its component composition has been widely reported. However, the effects of far-infrared irradiation (FIR), an efficient heat treatment method, on the bioactive components of the leaves remain to be elucidated. In the present study, we investigated the effects of FIR heat treatment between 160 and 200 °C on the deglycosylation and dehydration rates of the bioactive components in American ginseng leaves. As the temperature was increased, the amounts of common ginsenosides decreased while those of rare ginsenosides increased. After FIR heat treatment of American ginseng leaves at an optimal 190 °C, the highest total polyphenolic content and kaempferol content were detected, the antioxidant activity was significantly enhanced, and the amounts of the rare ginsenosides F4, Rg6, Rh4, Rk3, Rk1, Rg3, and Rg5 were 41, 5, 37, 64, 222, 17, and 266 times higher than those in untreated leaves, respectively. Moreover, the radical scavenging rates for 2,2-diphenyl-1-picrylhydrazyl and 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) and the reducing power of the treated leaf extracts were 2.17, 1.86, and 1.77 times higher, respectively. Hence, FIR heat treatment at 190 °C is an efficient method for producing beneficial bioactive components from American ginseng leaves.

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Section: The Effect Of Fir Heat Treatment On the Tpc In American Gins...mentioning

confidence: 99%

Increasing the Amounts of Bioactive Components in American Ginseng (Panax quinquefolium L.) Leaves Using Far-Infrared Irradiation

Wang,

Kim,

Han

et al. 2024

Foods

View full text Add to dashboard Cite

show abstract

Change of Proximate Composition, Antioxidant Activity, and Ginsenoside Content of White Ginseng with Different Roasting Conditions

Cited by 1 publication

References 33 publications

Increasing the Amounts of Bioactive Components in American Ginseng (Panax quinquefolium L.) Leaves Using Far-Infrared Irradiation

Increasing the Amounts of Bioactive Components in American Ginseng (Panax quinquefolium L.) Leaves Using Far-Infrared Irradiation

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