Park JI , Bae HR , Kim CG , Stonik VA , Kwak JY .

	Figure 1. Structures of STC (1) and STD(2).
	Figure 2. Structures of frondoside A (3) and cucumariosides (4-6).
	Figure 3. Structures of aglycone skeleton systems with 9(11) double bond (7), 9β-H-7(8)-unsaturation (8) and 3β, 20S-Dihydroxy-5α-lanostano-18(20)-lactone (9).
	Figure 4. Structures of plant triterpene glycosides.
	Figure 5. Structures of 18(20)-lactone in the aglycone with oxygen group.
	Figure 6. Structures of STA (15) and STE (16).
	Figure 7. Structure of compound with (17) or without (18) a sulfate group at C-4 of the xylose residue.
	Figure 8. Structure of cucumarioside H2 having 25-OH group.
	Figure 9. Structures of EA (20) and DSEA (21).
	Figure 10. Structures of PA (22) and PE (23).

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