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Table 1 Sampling locations and key points in the elaboration process of Chicha de Güiñapo in the Arequipa region

From: Ancestral Peruvian ethnic fermented beverage “Chicha” based on purple corn (Zea mays L.): unraveling the health-relevant functional benefits

Zone

Arequipa (Z1)

Characato (Z2)

Socabaya (Z3)

Chiguata (Z4)

Uchumayo (Z5)

Latitude

− 16.457194

− 16.464156

− 16.457194

− 16.402603

− 16.424996

Longitude

− 71.543811

− 71.493390

− 71.543811

− 71.391579

− 71.663230

Name of the Picanteria

La Nueva Palomino

Charito

Andenes del Koricancha

Doña Leo

Picanteria-Bar Marilú

Raw material

Purple corn

Purple corn

Commercial Güiñapo1

Commercial Güiñapo1

Commercial Güiñapo1

Germination

15 days

20 days

No

No

No

Drying

3 days

5 days

No

No

No

Milling

Yes

Yes

No

No

No

Güiñapo/water rate (kg/L)

Not informed

1/33

1/20

1/16

1/18

Boiling (h)

3

1

1

1

3

Filtration

Yes

Yes

Yes

Yes

Yes

Fermentation

Overnight with addition of sugar

Overnight with addition of sugar

12 h

12 h

4–5 h with addition of sugar

Starter

Chicha from the previous day

Chicha from the previous day

Chicha from the previous day

Chicha from the previous day

Chicha from the previous day

Additional ingredients after fermentation

Sugar4

None2

Sugar3

Sugar3

Sugar4

  1. 1Milled and partially germinated purple corn kernels
  2. 2Sugar added at the beginning of the fermentation
  3. 3Sugar added at the end of the fermentation
  4. 4Sugar added at the beginning and the end of the fermentation