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Comparative study on the effect of
different Chinese herbs on γ-aminobutyric acid contents
in germinated brown rice using HPLC method
ZHAN Jie, LIU Nairong, LI Jinghui, WEI Ruijiao
2024, 16 (4):
291-296.
ObjectiveBased on the theory of constitution analysis,to compare and
analyze the effects of different kinds of medicinal and edible herbs on the
content of GABA in germinated brown rice,so as to provide theoretical basis for
the development of medicinal diet of brown rice for children with different
constitutions.MethodsThe experiment included three groups:blank group (brown
rice group),control group (germinated brown rice group) and TCM germinated
brown rice group.The TCM germinated brown rice group was again divided into 9
subgroups:qi-tonifying group (Huang Qi rice,Shan Yao rice,Bai Bian Dou
rice),yin-nourishing group (Yu Zhu rice,Huang Jing rice,Gou Qi rice,Sang Ye
rice),blood-supplementing group (Sang Shen rice,Long Yan Rou rice),yang-assisting
group (Du Zhong rice,Gan Jiang rice),qi-regulating group (Chen Pi rice,Gan Song
rice),sputum-resolving group (Xing Ren rice,Zi Su Zi rice,Lai Fu Zi rice),blood-activating
group (Tao Ren rice,Jiang Huang rice),dampness-eliminating group (Fu Ling
rice,Yi Yi Ren rice),and heat-clearing group (Jue Ming Zi rice,Xia Ku Cao
rice,He Ye rice,Dan Dou Chi rice).Among them,the qi-tonifying group,yang-assisting
group,yin-nourishing group and blood-supplementing group involved germinated
brown rice with Chinese herbs for invigoration,and dampness-eliminating
group,sputum-resolving group,heat-clearing group,qi-regulating group and blood-activating
group involved germinated brown rice with Chinese herbs for reducing
excess.HPLC method was used to quantitatively analyze the contents of GABA in
brown rice,germinated brown rice and germinated brown rice with different
compound of Chinese herbs,a linear regression equation of the mass
concentration of GABA and the absorbance value was established,and the GABA
content in the samples was calculated and compared.ResultsCompared with blank
group,the content of GABA was significantly higher in all groups of germinated
brown rice except for DU Zhong rice,Gan Song rice and Tao Ren rice (P<0.05).Compared
with control group,the content of GABA significantly increased in the
germinated brown rice of Huang Qi,Shan Yao,Bai Bian Dou,Yu Zhu,Huang Jing,Gou
Qi,Sang Ye,Sang Shen,Long Yan Rou,Yi Yi Ren,Xing Ren,Zi Su Zi,Lai Fu Zi,Dan Dou
Chi,Chen Pi and Jiang Huang (P<0.05).The content of GABA in germinated brown rice of
Gan Jiang,Fu Ling,Jue Ming Zi,Xia Ku Cao and He Ye was higher than that in
brown rice,but lower than the ordinary germinated brown rice,and the
differences were of statistical significance (P<0.05).The comparison based
on the functions of Chinese herbs showed that the GABA content was higher in
germinated brown rice with Chinese herbs in qi-tonifying group,yin-nourishing
group and blood-supplementing group than in yang-assisting group (P<0.05);the
GABA content was higher in germinated brown rice with Chinese herbs in qi-regulating
group and sputum-resolving group than in blood-activating group (P<0.05).The
GABA content in Huang Qi,Huang Jing,Sang Shen,Long Yan Rou,Chen Pi,and Sang Ye
was significantly higher than in other Chinese herbs,and also significantly
higher than in the corresponding germinated brown rice with Chinese herbs
(P<0.05);the GABA content was significantly higher in the germinated brown
rice of Shan Yao,Bai Bian Dou,Yu Zhu,Fu Ling,Yi Yi Ren,Lai Fu Zi,Jue Ming Zi
and Dan Dou Chi than in the corresponding Chinese herbs (P<0.05).ConclusionThe
Chinese herbs of tonifying qi,nourishing yin,supplementing blood and regulating
qi can be used to develop functional foods for regulating emotion,enhancing
memory,improving sleep and regulating digestive function.
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