Published June 5, 2026 | Version v1

Dataset S2: Raw experimental data for "Enzymatic Production, Spray-Drying Stabilisation, and Dual-Target Molecular Docking Screening of ACE-Inhibitory Rice Protein Hydrolysates with Antihypertensive Activity in Spontaneously Hypertensive Rats

Description

This dataset contains the complete raw experimental data supporting all main figures, tables, and supplementary materials in the associated manuscript. The Excel file comprises 14 worksheets organised as follows:

Hydrolysis and in vitro data (Sheets 1–5):

  • Table 1 – SSC: Soluble solids content (°Brix), triplicate measurements for 4 enzymes × 3 hydrolysis times
  • Table 1 – DH OPA: Degree of hydrolysis by OPA method, replicate measurements
  • Table 1 – DH pH-stat: Degree of hydrolysis by pH-stat method, triplicate measurements
  • Table 1 – Yield: Hydrolysate yield (%), triplicate measurements
  • Fig 1 – ACE IC50: ACE inhibitory activity (IC₅₀, mg/mL) for freeze-dried and spray-dried samples, triplicate measurements

In vivo animal data (Sheets 6–9):

  • Fig 2 – Short-term BP: Individual SBP readings for SHR at 50 and 100 mg/kg doses
  • Tables 2–3 – SBP: Individual systolic blood pressure data for 54 rats (6 groups × 9 animals) over 9 weeks
  • Tables 2–3 – DBP: Individual diastolic blood pressure data for 54 rats over 9 weeks
  • Table S4 – Body weight: Individual body weight data for 54 rats over 9 weeks

Peptide data (Sheets 10–11):

  • Table 4 – Peptide IC50: Dose–response absorbance data and IC₅₀ calculations for LSF, LTF, VTF, and YVF
  • Table S2 – Preliminary TNBS: DH and ACE inhibition data from preliminary free-fall hydrolysis experiments (3 batches)

Molecular docking data (Sheets 12–14):

  • Table S8 – Docking Results: ACE and renin docking scores for all 128 successfully docked peptides, ranked by dual-target mean score
  • Docking Parameters: Complete methodological details including PDB codes, grid coordinates, software versions, and literature reference
  • Fig 4 – Docking Plot Data: Source data for the ACE vs. renin scatter plot and dual-target bar chart, including Pearson correlation statistics

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