Review Article

Bioactive Substances in Safflower Flowers and Their Applicability in Medicine and Health-Promoting Foods

Table 4

Studies on the use of the substances contained in safflower flowers, except HSYA, for medical purposes (from 2018 to 2020).

Substance or plantTest organismType of test/parameterConcentration/doseAuthors

Safflower yellow (SY)In vitro: HUVEC-12 (human umbilical vein endothelial cells), BMSCs (bone marrow stromal cells)Transwell and tube formation assay/migration and angiogenesis of HUVEC-12 cells4.5, 9.0, and 18 μg/ml[69]
Western blot analysis/protein expression

Polysaccharides isolated from safflowerIn vitro: calvarial osteoblast cells of ratsMTT assay/cell proliferation (percentage of cell viability)25, 50, and 100 μg/ml, for 24, 48, and 72 h[70]
ALP activity assay/percentage of ALP activity
Caspase colorimetric assay kit/caspase-3 activity assay
Annexin V-FITC/IP staining kit/percentage of apoptotic cells
Western blot analysis/protein expression

(1→3)-linked β-d-glucanIn vivo: rabbitsWestern blot analysis/protein expression25, 100, and 200 mg/kg, for 60 days[72]
HOP (hydroxyproline) and HOM (hexosamine) concentration in serum

Methanol extract of flowersIn vivo: ratsHistological studies/examination of pancreatic tissueDoses 200 mg/kg daily, intraperitoneally, for 4 weeks[49]

Methanol extract of C. tinctorius leavesIn vivo: ratsSpan diagnostic reagent kit/serum glutamic pyruvic transaminase level100, 200, and 400 mg/kg body, for 24 days; oral route[87]
Span diagnostic reagent kit/serum glutamic oxaloacetic transaminase
Span diagnostic reagent kit/serum alkaline phosphatase
Agappe diagnostic kit/serum total bilirubin

LDF (Chinese herbal formula)In vivo: patients with advanced HCC (liver cancer)Overall survival and time to progression100 ml/time, three times a day[93]
Serum levels of AFP, ALT, TBIL, and ALB/automatic analyzer

Carthamus oxyacanthaIn vitro: Escherichia coli, Pseudomonas aeruginosa, Salmonella typhi, and Staphylococcus aureus strainsMinimum inhibitory concentration (MIC)/the minimum inhibitory concentrationExtract: 1.0 mg/ml, 2.0 mg/ml, 3.0 mg/ml, 4.0 mg/ml, and 5.0 mg/ml[55]
Well diffusion method/zone of inhibition against pathogens growth200 μl of plant extract
In vivo: miceCastor oil-induced diarrhea; magnesium sulfate-induced diarrhea/% inhibition of defecation, latencyMethanol extract: 200 mg/kg, 400 mg/kg
WST-8 method/glycogen synthase
Fasting blood glucose/glucometer test
Oral glucose tolerance test/glucometer test (0, 30, 60, and 120 minutes after oral administration with glucose solution)
Assay kits/fasting blood insulin, triglycerides, total serum cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol in serum
Western blot analysis/protein expression