Supplementary Table 1 GABA contents in Sample name Manufacturer Producing area Storage years GABA content (mg/100g) Raw material from first 0.5 13.7 1 st Turning from first 0.5 15.4 2 nd Turning of first 0.5 13.9 3 rd Turning of first 0.5 12.6 4 th Turning of first 0.5 10.0 5 th Turning of first 0.5 8.4 6 th Turning of first 0.5 4.7 7 th Turning of first Raw material of 1 st Turning of 2 nd Turning of 0.5 2.4 0.5 12.3 0.5 14.5 0.5 11.9
3 rd Turning of 4 th urning of 5 th Turning of 6 th Turning of 7 th Turning of Menghai Qizibing pu-erh Tea 3rd Grade 3rd Grade 5th Grade 9th Grade DaYi (7552) DaYi (7572) DaYi (7592) Lan xiang gui qi Menghai Liming King of pu-erh industry group Co., Haiwan Tea Industry Co., Haiwan Tea Industry Co., Haiwan Tea Industry Co., Menghai Tea Menghai Tea Menghai Tea Yongxingxiang 0.5 12.1 0.5 11.3 0.5 7.2 0.5 4.6 0.5 2.8 Xishuangbanna, 1 1.4 Ninger County, Puer, 1 5.6 MengHai Country, 1 1.8 Xishuangbanna, MengHai Country, 1 1.1 Xishuangbanna, MengHai Country, Xishuangbanna, 1 0.4 MengHai Country, 1 1.3 Xishuangbanna, MengHai Country, 1 0.9 Xishuangbanna, MengHai Country, 1 1.0 Xishuangbanna, Lincang City, 1 1.1
Menghai qizibing pu-erh Lan xiang gui qi High-gread Menghai qizibing pu-erh 7th Grade Dianhong ripped pu-erh xiaguan mini tuocha Menghai qizibing pu-erh Purple Label (Zhiying) Red Label (Hongying) Yellow label (Huangying) Longrun pu-erh ripping Aspergillus niger cake Trichoderma viride cake Shengye pu-erh tuocha Menghai Xinghai MengHai Country, 1 0.7 Xishuangbanna, Lanchafang Lin cang city, 2 2.3 King of pu-erh industry group Co., Menghai Fuhai Tea Dianhong Group Co., Ltd Xiaguan Tea Menghai Fuhai Tea LongRun Tea Group Co. Ninger County, Puer, 2 1.8 MengHai Country, 2 0.6 Xishuangbanna, Kunming, 2 0.5 Fengqing Lincang City, 2 0.4 Dali, 2 3.6 MengHai Country, 3 2.0 Xishuangbanna, Kunming, 3 0.8 Kunming, 3 0.8 Kunming, 3 0.8 Lincang City, 3 2.8 Kunming, 3 1.0 Kunming, 3 1.2 Lincang,, China 3 0.9
Shengye raw material Shengye Old Tea Tree un-fermented tuocha Imperial Grade High-Grade 1st leaf 3rd Grade 5th Grade 7th Grade Nanjian Phoenix pu-erh Tuocha (Tulin) Pu-erh Tuocha (Tulin) Phoenix pu-erh Tuocha Tea science kind-fund Yellow Label Nanjian Heilongtan Nanjian Phoenix Lincang,, China 3 2.3 Lincang,, China 3 3.5 Lincang,, China 3 2.1 Lincang,, China 3 2.9 Lincang,, China 3 2.3 Lincang,, China 3 3.0 Lincang,, China 3 2.6 Lincang,, China 3 3.8 4 0.9 4 0.9 4 0.7 Kunming, 6 1.4
Scientific Purple Label pu-erh Scientific Red Label pu-erh Longji-shundekind-fund Red mellow Ancient Route cake sample of High-gread sample of 1st leaf sample of 3rd leaf sample of 5th leaf sample of 9th leaf Pingchang cake Feidian cake Purple mellow Caravan Pu-erh Tea cake Tushi brick Kunming, 6 1.5 Kunming, 6 1.2 Kunming, 6 1.7 Kunming, 6 1.5 Kunming, 6 2.9 Kunming, 6 1.4 Kunming, 6 1.6 Kunming, 6 2.7 Kunming, 6 0.5 Kunming, 6 2.2 Kunming, 7 0.9 Kunming, 7 0.9 Kunming, 7 1.5 Kunming, 7 3.2 Kunming, 7 0.7 Kunming, 7 1.3
sample of High-gread sample of 1st leaf sample of 3rd leaf sample of 5th leaf sample of 7th leaf sample of 9th leaf provincial fund Yellow Label provincial fund Purple Label Department of science Red Label Department of science Purple Label Scientific Yellow Label Pu-erh Kunming, 7 1.4 Kunming, 7 0.7 Kunming, 7 1.1 Kunming, 7 1.0 Kunming, 7 0.9 Kunming, 8 1.4 Kunming, 8 1.4 Kunming, 10 0.9 Kunming, 10 1.8 Kunming, 10 1.2
Supplementary Table 2 GABA contents in other types of type Sample name Producing area Producing years GABA content (mg/100g) Green Huang shan Huangshan, Anhui 2009 13.8 maofeng Green Shifeng longjing Hangzhou, Zhejiang 2009 33.9 Green High-grade Green Shandong Province 2009 24.3 Green Taiping kowkui Huangshan, Anhui 2009 20.4 Green Longrun biluochun Lingcang, 2009 3.9 Green Huilong Dehong, 2010 15. 0 Green Shifeng longjing Hangzhou, Zhejiang 2010 40.1 Green Dalishu Dali, 2010 18.6 Green Laomudeng Lvjiang, 2010 4.2 biluochun Green Taiping kowkui Huangshan, Anhui 2010 8.8 Green Liuan guapian Jingzai, Anhui 2010 26.8 Green zhuyeqing Emei Mountain,Sichuan 2010 17.9 Green Baizhi pure green Puer, 2010 8.4 Oolong Pong-Fong Taiwan 2007 32.0 (Oriental Beauty ) Oolong High Mountain Chiayi County, Taiwan 2009 12.1 oolong Tea Oolong Jinjiang Yuan Jinjiang Yuan, Anxi 2009 15.8 tieguanyin City, Fujian Oolong Wuyi Iron Arhat Wuyi Mountain, Fujian 2008 16.4 Oolong Wuliang Mountain Dali city, 2009 20.7 Organic Oolong Gui Fei Oolong Nantou County, Taiwan 2008 14.8
Oolong Anxi Tieguanyin Anxi City, Fujian 2009 7.2 Oolong Yan rui Shuixian Wuyi Mountain, Fujian 2009 7.9 oolong Black black Fengqing County, 2007 31.1 Lingcang, Black Bailin Congou Bailin, Fujian 2009 44.4 Black Black Shandong Province 2009 24.7 Black Ying Hong Jiu-hao Yingde County, 2008 8.8 black Guangdong Black Baizhi Black Tea Puer City, 2009 9.5 Black Keemun Black Tea Qimen, Huangshan 2009 41.5 City, Anhui Black Longrun gongfu Lingcang, 2009 9.5 black Black Baizhi black Puer City, 2010 13.7 White Tea White Peony Fuding City, Fujian 2007 49.7 White Tea White Peony Fuding City, Fujian 2009 36.8 White Tea Fuding White Tea Fuding City, Fujian 2009 50.5 GABA Heshengyuan Anxi City,, Fujian 2010 349.8 GABA Tieguanyin Health GABA Heshengyuan Anxi City,, Fujian 2010 404.9 GABA Tieguanyin Health bag GABA Heshengyuan Anxi City,, Fujian 2010 168.5 GABA Tieguanyin GABA Long guan GABA green Hangzhou, Zhejiang 2010 196.5