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Table 4 Outcomes of interventional studies

From: Effects of weight change on taste function; a systematic review

Author (year)

BMI Bassline

(kg/m2) or z score

Weight change

Duration

Taste threshold

Taste sensitivity

Preference

Sweet

Salt

Sour

Bitter

Fat

Sweet

Salt

Sour

Bitter

Sweet

Fat

Nishihara (2019) [17]

29.8 ± 0.5

–10.7 kg

30 weeks

 ↔ 

-

-

-

-

-

-

-

-

↓

-

Newman (2016) [13]

              

Low fat diet

Low calorie diet

32.3 ± 0.7

-2.5 ± 0.4 kg

6 weeks

 ↔ 

 ↔ 

-

-

↓

-

-

-

-

-

 ↔ 

-2.2 ± 0.4 kg

6 weeks

 ↔ 

 ↔ 

-

-

↓

-

-

-

-

-

 ↔ 

Burgess (2016) [19]

              

(Low fat/ low carbohydrate diet)

34.4

-7.0 ± 0.8 kg

3 months

 ↔ 

-

-

-

 ↔ 

-

-

-

-

 ↔ 

↓

-9.1 ± 0.9 kg

6 months

 ↔ 

-

-

-

 ↔ 

-

-

-

-

↓

↓

Sauer (2016) [30]

2.51 ± 0.6

(Z-score)

-4.3 ± 2.5 kg

26.4 ± 8.2 days

-

-

-

-

-

↓

 ↔ 

↑

 ↔ 

-

-

Bertoli (2014) [35]

27.9 ± 1.6 overweight

34.8 ± 4.6

obese

-2.5 ± 1.7%

 < 5% weight loss

3 months

 ↔ 

 ↔ 

 ↔ 

 ↔ 

 

-

-

-

-

-

-

-7.8 ± 2.5%

 ≥ 5% weight loss

3 months

 ↔ 

 ↔ 

 ↔ 

 ↔ 

 

-

-

-

-

-

-

Umabiki (2010) [20]

26.1 ± 1.7

-3.6 ± 2.0 kg

12 weeks

↓

-

-

-

-

-

-

-

-

-

-